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167 Sentences With "irreversibility"

How to use irreversibility in a sentence? Find typical usage patterns (collocations)/phrases/context for "irreversibility" and check conjugation/comparative form for "irreversibility". Mastering all the usages of "irreversibility" from sentence examples published by news publications.

Is this a statement on the irreversibility of cognitive conditioning?
The eternity of waiting and the irreversibility of time spread like a smothering, oppressive cloud around him.
The irreversibility of demolition needs to be weighed against the rights of property owners, a tricky balance to achieve.
But crypto-currencies' attractions—global availability, the speed and irreversibility of transactions and the ability to hide identities—are plain.
"I will militate with Romanian authorities to guarantee the irreversibility of reforms," Juncker told Romania's parliament on an official visit.
While traditional banks can trace and reverse transactions, one of bitcoin's primary reasons for existing is its relative anonymity and irreversibility.
Worse, the feeling of inevitability also conveys a sense of irreversibility, as if history always advances, and never stalls, or regresses.
This, uh, premature pouring does presage certain later plot points, but it also symbolizes something more complicated, a kind of dreadful irreversibility.
The other patients in the facility seemed beaten down by the irreversibility of their situation, but Fidyka projected an intense, if trammelled, physicality.
The irreversibility of the event horizon is why black holes are, strictly speaking, unseeable: No light from within can ever reach the outside universe.
The government will also introduce guarantees on the irreversibility of privatisation deals and reduce the limitation period on such deals to 3 years from 10.
The zone was too forbidding to enter consciously, but I could sense it there, behind a mental cordon, the irreversibility of my lovely cousin's death.
"When you look at the irreversibility and you study the numbers, this along with the moral issue is what keeps you up at night," Anderson said.
Van der Aa, like Fure, uses technology to get at something elemental: for him, the long reach of memory; for her, the irreversibility of change. ♦
How we achieve the ultimate endpoint -- the final fully -- full denuclearization, the verification of that, and the irreversibility of it, clearly that's going to take some time.
Bitcoin wallets are a popular target for those attacks because of the irreversibility of Bitcoin transactions, but the attack work just as well on any other web service.
The urgency and potential irreversibility of climate effects mean we cannot wait for the results of research to deepen our understanding and reduce the uncertainty about these risks.
The design creates a state of irreversibility; a tragic, surreal scene played out against a desolate landscape, in which the sunset is so picturesque it's almost mocking the viewer.
Were this event to happen today, Isaac, understanding the irreversibility of his own sacrifice, might well make an appeal for injunctive relief so that God's decision might be reviewed by, well, God.
"When that momentum has the appearance of irreversibility then I think that we'll see a much more rapid seizure and clearance that occurs on the east side ... we're not (there yet)", he said.
Aside from their anonymity, their main strength is their irreversibility — victims have no other choice than forking over the ransom money if they want to regain access to their files (unless they've taken precautionary measures, of course).
However, the incentive to pay for IoT ransomware will not stem from irreversibility but rather from the timeliness of the attack and the criticality and potential losses of losing access to critical devices for any amount of time.
"People at this point haven't come to grips with the irreversibility of this sea-level rise problem," Anderson said, displaying a map that shows the site of Harvard's new $10 billion Allston campus inundated after 3 meters of sea-level rise.
Lavrov added in a statement published on the foreign ministry website that Russia's suspension of the agreement was a "forced measure" and that the way the United States disposes of weapons-grade plutonium does not ensure the irreversibility of its military use.
Yields on Italian bonds spiked on July 27 after the founder of the co-ruling 5-Star Movement Beppe Grillo relaunched the idea of a euro referendum, the same day that the government appointed Foa, who had contested the irreversibility of the common European currency.
AIX-EN-PROVENCE, France (Reuters) - Britain's vote to leave the European Union, or Brexit, questions the EU project's irreversibility and will have a negative impact on growth although its extent is still unclear, European Central Bank Executive Council member Benoit Coeure said on Sunday.
The severity and irreversibility of the harm involved suggests large-scale failure by a community of otherwise well-meaning professionals that seems to be caught up in the misplaced belief that improved protection from lead in water is either unnecessary or would somehow involve greater costs than what we are now paying.
There are four subconcepts of death that psychologists have identified, explained Dr. Sally Beville Hunter, Ph.D., a clinical assistant professor at University of Tennessee, Knoxville: nonfunctionality (your body doesn't work anymore), universality (all living things die), irreversibility (once you die, you can't come back to life) and inevitability (you can't avoid death).
Even more intriguing is that the abstract quality of time appears to be subterraneously connected to many, if not all, of the great unsolved mysteries around us: the nature of the mind, the origin of the universe, the fate of black holes, the irreversibility of macroscopic phenomena and the functioning of life.
Last fall, physicists led by Denis Bartolo of the École Normale Supérieure in Lyon, France, reported in Physical Review Letters that hyperuniformity can be induced in emulsions by sloshing them at the exact amplitude that marks the transition between reversibility and irreversibility in the material: When sloshed more gently than this critical amplitude, the particles suspended in the emulsion return to their previous relative positions after each slosh; when sloshed harder, the particles' motions do not reverse.
Chapter 17. Attributes, Tokens, and Signs of Irreversibility — Having attained irreversibility, a bodhisattva has no doubt of his irreversibility. Without doubt, their conduct is pure and continue to work for beings' benefit. They cannot be dissuaded by Māra, who will be easily recognised by them.
This irreversibility is typically a kinetic, not thermodynamic irreversibility, as generally when a protein is folded it has lower free energy. Through kinetic irreversibility, the fact that the protein is stuck in a local minimum can stop it from ever refolding after it has been irreversibly denatured.
With irreversibility, the arrow of time is reintroduced to physics. Prigogine notes numerous examples of irreversibility, including diffusion, radioactive decay, solar radiation, weather and the emergence and evolution of life. Like weather systems, organisms are unstable systems existing far from thermodynamic equilibrium. Instability resists standard deterministic explanation.
For many insects, this irreversibility has changed the anatomy of the worker caste, which is sterile and provides support for the reproductive caste.
Viscount Ilya Romanovich Prigogine (; ; 28 May 2003) was a physical chemist and Nobel laureate noted for his work on dissipative structures, complex systems, and irreversibility.
His formulas quantified the work done by William Thomson, 1st Baron Kelvin who had argued that: Bishop, R.C. et al. "Irreversibility in Quantum Mechanics." Received 19 January 2004.
1803 was the year Beethoven came to grips with the irreversibility of his progressively deteriorating hearing. An average performance of the entire Appassionata sonata lasts about twenty-five minutes.
I don't know, the collectivization of manufacture? The institutionalization of the human psyche? I'm not sure. But I can tell you one thing: this is a symbol of irreversibility.
Further restrictions are imposed by the fact that irreversibility does not permit standard multiplexing-RMCE setups including "serial RMCE" reactions, i.e., repeated cassette exchanges at a given genomic locus.
Irreversibility is a concept developed in this stage which is closely related to the ideas of centration and conservation. Irreversibility refers to when children are unable to mentally reverse a sequence of events. In the same beaker situation, the child does not realize that, if the sequence of events was reversed and the water from the tall beaker was poured back into its original beaker, then the same amount of water would exist. Another example of children's reliance on visual representations is their misunderstanding of "less than" or "more than".
Marsland, R. , Brown, H.R., Valente, G. (2015). Time and irreversibility in axiomatic thermodynamics, Am. J. Phys., 83(7): 628–634. According to Bailyn, the commonly rehearsed statement of the zeroth law of thermodynamics is a consequence of this fundamental postulate.
Earthscan, London. . According to ecological economist , ecological economics is defined by its focus on nature, justice, and time. Issues of intergenerational equity, irreversibility of environmental change, uncertainty of long-term outcomes, and sustainable development guide ecological economic analysis and valuation.Malte Faber. (2008).
His research focuses on the development of mathematical models, such as the Mackey-Glass equations, to describe physiological processes at the cellular and molecular levels as well as foundational questions in physics related to the nature of irreversibility and the arrow of time.
According to the CPT theorem, this means they should also be time irreversible, and so establish an arrow of time. This, however, is neither linked to the thermodynamic arrow of time, nor has anything to do with the daily experience of time irreversibility.
The book combined thermodynamics theory with engineering heat transfer and fluid mechanics, and introduced entropy generation minimization as a method of optimization. In 1996 the ASME awarded him the Worcester Reed Warner Medal for "originality, challenges to orthodoxy, and impact on thermodynamics and heat transfer, which were made through his first three books". In 1989 Bejan was appointed the J. A. Jones Distinguished Professor of Mechanical Engineering. In 1988 and 1989, his peers named two dimensionless groups Bejan number (Be), in two different fields: for the pressure difference group, in heat transfer by forced convection, and for the dimensionless ratio of fluid friction irreversibility divided by heat transfer irreversibility, in thermodynamics.
Improving fruit and vegetable consumption: A self-efficacy intervention compared to a combined self-efficacy and planning intervention. Health Education Research, 22, 630–638. The term "stage" in this context was chosen to allude to the stage theories, but not in the strict definition that includes irreversibility and invariance.
Having discussed reversible inhibition and irreversible inhibition in the above two headings, it would have to be pointed out that the concept of reversibility (or irreversibility) is a purely theoretical construct exclusively dependent on the time-frame of the assay, i.e., a reversible assay involving association and dissociation of the inhibitor molecule in the minute timescales would seem irreversible if an assay assess the outcome in the seconds and vice versa. There is a continuum of inhibitor behaviors spanning reversibility and irreversibility at a given non-arbitrary assay time frame. There are inhibitors that show slow-onset behavior and most of these inhibitors, invariably, also show tight-binding to the protein target of interest.
1-7 The phenomenon of irreversibility results from the fact that if a thermodynamic system, which is any system of sufficient complexity, of interacting molecules is brought from one thermodynamic state to another, the configuration or arrangement of the atoms and molecules in the system will change in a way that is not easily predictable.Lucia U., 2009, Irreversibility, entropy and incomplete information, Physica A: Statistical Mechanics and its Applications, 388, pp. 4025-4033 Some "transformation energy" will be used as the molecules of the "working body" do work on each other when they change from one state to another. During this transformation, there will be some heat energy loss or dissipation due to intermolecular friction and collisions.
Taylor & Francis. According to ecological economist Malte Faber, ecological economics is defined by its focus on nature, justice, and time. Issues of intergenerational equity, irreversibility of human impact on the environment, uncertainty of long-term outcomes, thermodynamics limits to growth, and sustainable development guide ecological economic analysis and valuation.Malte Faber. (2008).
Irreversibility in thermodynamic processes is a consequence of the asymmetric character of thermodynamic operations, and not of any internally irreversible microscopic properties of the bodies. Thermodynamic operations are macroscopic external interventions imposed on the participating bodies, not derived from their internal properties. There are reputed "paradoxes" that arise from failure to recognize this.
If I > 0 then there are irreversibilities present in the system. If I = 0 then there are no irreversibilities present in the system. The value of I, the irreversibility, can not be negative, as it is not a property. On the contrary, the availability is a different story, which is a property of the system.
A century of intellectual rigour turned in on itself. A mind in chaos suspected of genius ... The decline from thinking to feeling." Another major theme is entropy and the irreversibility of time. Thomasina examines this scientifically, remarking that while Newtonian equations work both backwards and forwards, things in reality – like her rice pudding – cannot be "unstirred.
In classical thermodynamics, the second law is a basic postulate applicable to any system involving heat energy transfer; in statistical thermodynamics, the second law is a consequence of the assumed randomness of molecular chaos. There are many versions of the second law, but they all have the same effect, which is to express the phenomenon of irreversibility in nature.
Projections in AR5 are based on "Representative Concentration Pathways" (RCPs). Collins, M., et al.: Section 12.3.1.3 The New Concentration Driven RCP Scenarios, and their Extensions, in: Chapter 12: Long-term Climate Change: Projections, Commitments and Irreversibility (archived 16 July 2014), in: The RCPs are consistent with a wide range of possible changes in future anthropogenic greenhouse gas emissions.
It does not depend on the velocities. If the negative terms in accelerations are recognized as inertial forces, the statement of d'Alembert's principle becomes The total virtual work of the impressed forces plus the inertial forces vanishes for reversible displacements. The principle does not apply for irreversible displacements, such as sliding friction, and more general specification of the irreversibility is required.
Sustainable development may involve improvements in the quality of life for many but may necessitate a decrease in resource consumption. According to ecological economist Malte Faber, ecological economics is defined by its focus on nature, justice, and time. Issues of intergenerational equity, irreversibility of environmental change, uncertainty of long-term outcomes, and sustainable development guide ecological economic analysis and valuation.Malte Faber. (2008).
In Diacamma only one worker retains her gemmae in each colony, she is the gamergate (mated egglaying worker), and she bites off the gemmae of newly emerged workers. Mutilation causes the degeneration of the neuronal connections between the sensory hairs on the gemma's surface and the central nervous system, and this may explain the irreversibility of modifications in individual behaviour.
This is special case used for impulse turbine which suggest that entire pressure drop in the turbine is obtained in the stator. The stator performs a nozzle action converting pressure head to velocity head and extracting work. It is difficult to achieve adiabatic expansion in the impulse stage, i.e. expansion only in the nozzle, due to irreversibility involved, in actual practice.
The results obtained in the 60th were summarized in the book "Statistical Irreversibility in Nonlinear Systems" (Nauka, Moscow, 1970). The end of the 1960s was a difficult time for Zaslavsky. He was forced to leave the Institute of Nuclear Physics in Novosibirsk for signing letters in defense of some Soviet dissidents. Zaslavsky got a position at the Institute of Physics in Krasnoyarsk, not far away from Novosibirsk.
In the kinetic proofreading schema, a time delay (equivalently, an irreversible intermediate stage) is introduced during the formation of the correct or incorrect complexes. This time delay reduces the production rates of both complexes but enhances the fidelity beyond the equilibrium limit. The irreversibility of the scheme requires an energy source. The time delay in kinetic proofreading is analogous to the spatial difference in conformational proofreading.
Piaget called it the "intuitive substage" because children realize they have a vast amount of knowledge, but they are unaware of how they acquired it. Centration, conservation, irreversibility, class inclusion, and transitive inference are all characteristics of preoperative thought. 3\. Concrete operational stage: from ages seven to eleven. Children can now conserve and think logically (they understand reversibility) but are limited to what they can physically manipulate.
78 the total entropy of the system and its surroundings increases and the process is irreversible in the thermodynamic sense. The increase in entropy accounts for the irreversibility of natural processes, and the asymmetry between future and past. Historically, the second law was an empirical finding that was accepted as an axiom of thermodynamic theory. Statistical mechanics, classical or quantum, explains the microscopic origin of the law.
The two systems are isolated from each other by the wall, until it is removed by the thermodynamic operation, as envisaged by the law. The thermodynamic operation is externally imposed, not subject to the reversible microscopic dynamical laws that govern the constituents of the systems. It is the cause of the irreversibility. The statement of the law in this present article complies with Schrödinger's advice.
In summary, singularities are determined by the following characteristics which can vary in strength: # Instability: Singularities are related to effect in which small causes produce great effects. # System relatedness: Singularities represent a peculiarity based on a system and affect its identity. # Uniqueness: Singularities do not stand out from quantitative singularity, but rather by qualitative uniqueness. # Irreversibility: The caused changes of systems are largely irreversible.
The Clausius–Duhem inequality.. is a way of expressing the second law of thermodynamics that is used in continuum mechanics. This inequality is particularly useful in determining whether the constitutive relation of a material is thermodynamically allowable.. This inequality is a statement concerning the irreversibility of natural processes, especially when energy dissipation is involved. It was named after the German physicist Rudolf Clausius and French physicist Pierre Duhem.
Pearson asserted that the laws of nature are relative to the perceptive ability of the observer. Irreversibility of natural processes, he claimed, is a purely relative conception. An observer who travels at the exact velocity of light would see an eternal now, or an absence of motion. He speculated that an observer who travelled faster than light would see time reversal, similar to a cinema film being run backwards.
In fact natural capital, social capital and economic capital are often complementarities. A further obstacle to substitutability lies also in the multi-functionality of many natural resources. Forests, for example, not only provide the raw material for paper (which can be substituted quite easily), but they also maintain biodiversity, regulate water flow, and absorb CO2. Another problem of natural and social capital deterioration lies in their partial irreversibility.
Lansoprazole reacts with cysteine 813 and cysteine 321, whereas pantoprazole and tenatoprazole react with cysteine 813 and 822. Reaction with cysteine 822 confers a rather special property to the covalently inhibited enzyme, namely irreversibility to reducing agents. The likely first step is binding of the prodrug protonated on the pyridine of the compound with cysteine 813. Then the second proton is added with acid transport by the H+/K+ ATPase, and the compound is activated.
Capital punishment is controversial. Death penalty opponents regard the death penalty as inhumane and criticize it for its irreversibility. They argue also that capital punishment lacks deterrent effect, discriminates against minorities and the poor, and that it encourages a "culture of violence". There are many organizations worldwide, such as Amnesty International, and country-specific, such as the American Civil Liberties Union (ACLU), that have abolition of the death penalty as a fundamental purpose.
KAM theory). As an application of RG in probability theory, Kupiainen and Jean Bricmont showed that the random walk with asymmetric random transition probabilities in three or more spatial dimensions leads to diffusion (and therefore time-irreversible behavior). Kupiainen continued his investigations into the origins of diffusion and time- irreversibility in various model systems (such as coupled chaotic mappings and weakly coupled anharmonic oscillations).See Kupiainen's lecture at the ICM 2010 in Hyderabad.
In his 1997 book, The End of Certainty, Prigogine contends that determinism is no longer a viable scientific belief. "The more we know about our universe, the more difficult it becomes to believe in determinism." This is a major departure from the approach of Newton, Einstein and Schrödinger, all of whom expressed their theories in terms of deterministic equations. According to Prigogine, determinism loses its explanatory power in the face of irreversibility and instability.
It is in this sense that entropy is a measure of the energy in a system that cannot be used to do work. An irreversible process degrades the performance of a thermodynamic system, designed to do work or produce cooling, and results in entropy production. The entropy generation during a reversible process is zero. Thus entropy production is a measure of the irreversibility and may be used to compare engineering processes and machines.
This is a safeguard for the compressor, as it cannot pump liquid. The resulting refrigerant vapor returns to the compressor inlet at point 1 to complete the thermodynamic cycle. The above discussion is based on the ideal vapor- compression refrigeration cycle which does not take into account real world items like frictional pressure drop in the system, slight internal irreversibility during the compression of the refrigerant vapor, or non-ideal gas behavior (if any).
Research on irreversibility in quantum mechanics takes several different directions. One avenue is the study of rigged Hilbert spaces, and in particular, how discrete and continuous eigenvalue spectra intermingle. For example, the rational numbers are completely intermingled with the real numbers, and yet have a unique, distinct set of properties. It is hoped that the study of Hilbert spaces with a similar inter-mingling will provide insight into the arrow of time.
They can know their own irreversibility when they see signs in their dreams, and develop powers. Chapter 21. Māra's Deeds — Returning to the topic of Māra, this chapter points out how Māra may give rise to conceit in bodhisattvas by making them mistakenly think they attained powers, or implanting false memories of past lives as monks, or predictions to buddhahood. Becoming conceited, the bodhisattvas will renounce the Prajñāpāramitā and return to the śrāvakayāna or pratyekabuddhayāna.
Mistakes pose greater risks to ballpoint artists; once a line is drawn, it generally cannot be erased. Ballpoint artists may consider this irreversibility somewhat unnerving, but some face the challenge as a test of skill. Ballpoint artist James Mylne has described the required level of focus as meditative. Pens with erasers and erasable ink have been manufactured, but only in black and blue inks, and with very different characteristics than normal inks.
See dynamical systems and chaos theory, dissipative structures One could say that time is a parameterization of a dynamical system that allows the geometry of the system to be manifested and operated on. It has been asserted that time is an implicit consequence of chaos (i.e. nonlinearity/irreversibility): the characteristic time, or rate of information entropy production, of a system. Mandelbrot introduces intrinsic time in his book Multifractals and 1/f noise.
One solution to the problem of time proposed by Lee Smolin is that there exists a "thick present" of events, in which two events in the present can be causally related to each other, but in contrast to the block universe view of time in which all time exists eternally. Marina Cortês and Lee Smolin argue that certain classes of discrete dynamical systems demonstrate time asymmetry and irreversibility, which is consistent with an objective passage of time.
Current research in dynamical systems offers one possible mechanism for obtaining irreversibility from reversible systems. The central argument is based on the claim that the correct way to study the dynamics of macroscopic systems is to study the transfer operator corresponding to the microscopic equations of motion. It is then argued that the transfer operator is not unitary (i.e. is not reversible) but has eigenvalues whose magnitude is strictly less than one; these eigenvalues corresponding to decaying physical states.
In this way, microscopic reversibility was used to prove macroscopic irreversibility and convergence of ensembles of molecules to their thermodynamic equilibria. Another macroscopic consequence of microscopic reversibility is the symmetry of kinetic coefficients, the so-called reciprocal relations. The reciprocal relations were discovered in the 19th century by Thomson and Helmholtz for some phenomena but the general theory was proposed by Lars Onsager in 1931. He found also the connection between the reciprocal relations and detailed balance.
Waddington suggested visualising increasing irreversibility of cell type differentiation as ridges rising between the valleys where the marbles (analogous to cells) are travelling. In recent times, Waddington's notion of the epigenetic landscape has been rigorously formalized in the context of the systems dynamics state approach to the study of cell-fate. Cell-fate determination is predicted to exhibit certain dynamics, such as attractor-convergence (the attractor can be an equilibrium point, limit cycle or strange attractor) or oscillatory.
Those explosions destroyed the portals to several test tunnels, but the extent of the damage to the tunnels themselves was not clear.The Punggye-ri Nuclear Test Site Destroyed: A Good Start but New Questions Raised about Irreversibility , 38 North, 31 May 2018More Potential Questions About the Punggye-ri Nuclear Test Site Destruction , 38 North, 8 June 2018.Institute Statement on the Dismantlement of Punggye-ri , David Albright, Institute for Science and International Security, 25 May 2018.
An idealized uniaxial stress-strain curve showing elastic and plastic deformation regimes for the deformation theory of plasticity There are several mathematical descriptions of plasticity. One is deformation theory (see e.g. Hooke's law) where the Cauchy stress tensor (of order d-1 in d dimensions) is a function of the strain tensor. Although this description is accurate when a small part of matter is subjected to increasing loading (such as strain loading), this theory cannot account for irreversibility.
Ultrasensitivity is a switch that helps decision-making in such biological processes. For example, in apoptotic process, a model showed that a positive feedback of inhibition of caspase 3 (Casp3) and Casp9 by inhibitors of apoptosis can bring about ultrasensitivity (bistability). This positive feedback cooperates with Casp3-mediated feedback cleavage of Casp9 to generate irreversibility in caspase activation (switch ON), which leads to cell apoptosis. Another model also showed similar but different positive feedback controls in Bcl-2 family proteins in apoptotic process.
He led the team of Russian diplomats responsible for Safeguards, Transparency and Irreversibility talks with the United States on the exchange of information on disarmament. In April 1999, he testified before the Commission that the NATO incursion in the Balkans would be detrimental for the progress of ratifying the 1993 START II arms treaty. From May 26, 2000 to March 24, 2006, Abdullayev was the Ambassador of Russia to Cameroon, with concurrent accreditation to Equatorial Guinea.Путин, В.В. (26 мая 2000 г.).
The second law of thermodynamics is a statement on the irreversibility of dynamics or, the breakup of time reversal symmetry (T-symmetry). This should be consistent with the empirical direct definition: heat will flow spontaneously from a hot source to a cold sink. From a static viewpoint, for a closed quantum system, the II-law of thermodynamics is a consequence of the unitary evolution. In this approach, one accounts for the entropy change before and after a change in the entire system.
The second law of thermodynamics indicates the irreversibility of natural processes, and, in many cases, the tendency of natural processes to lead towards spatial homogeneity of matter and energy, and especially of temperature. It can be formulated in a variety of interesting and important ways. One of the simplest is the Clausius statement, that heat does not spontaneously pass from a colder to a hotter body. It implies the existence of a quantity called the entropy of a thermodynamic system.
Faradaic loss is only one form of energy loss in an electrochemical system. Another is overpotential, the difference between the theoretical and actual electrode voltages needed to drive the reaction at the desired rate. Even a rechargeable battery with 100% faradaic efficiency requires charging at a higher voltage than it produces during discharge, so its overall energy efficiency is the product of voltage efficiency and faradaic efficiency. Voltage efficiencies below 100% reflect the thermodynamic irreversibility of every real-world chemical reaction.
Petronijević's contributions to the philosophy of natural sciences are collected in his compilation L'évolution universelle. Exposé des preuves et des lois de l`évolution mondiale et des évolutions particulières (Universal evolution. Presentation of Evidence and Laws of Global Evolution and Particular Developments, 1921). Among them there are the explanation of Dollo's law of irreversibility, first described in Zakon nepovratne evolucije (Law of Irreversible Evolution, 1920), and the introduction of his own Law of Non-correlative Evolution with which he describes the mosaic evolution in Archaeopteryx.
The Montreal-based syndicate officially comprised five men: George Stephen, James J. Hill, Duncan McIntyre, Richard B. Angus and John Stewart Kennedy. Donald A. Smith and Norman Kittson were unofficial silent partners with a significant financial interest. On 15 February 1881, legislation confirming the contract received royal assent, and the Canadian Pacific Railway Company was formally incorporated the next day. Critics claimed that the government gave too large a subsidy for the proposed project but this was to incorporate uncertainties of risk and irreversibility of insurance.
Ms. Rice stressed that the text reaffirmed the Annapolis process as the way forward, as opposed to the kind of brinksmanship that had failed in the past. The text described the contours of the negotiations, defined the role of the international community, confirmed the irreversibility of the bilateral negotiations, and endorsed the parties’ efforts. Mr. Lavrov said the call for full implementation of commitments under the Road Map was a particularly important part of the text, as was support for a unified Palestinian position.
Herophilus also discovered the valves within a human heart while Erasistratus identified their function by testing the irreversibility of the blood flow through the valves. Erasistratus also discovered and distinguished between many details within the veins and arteries of the human body. Herophilus later provides descriptions of the human liver, the pancreas, and the male and female reproductive systems due to the dissection of the human body. Cadavers allowed Herophilus to determine that the womb in which fetus’ grow and develop in is not bicameral.
All lyrics written by Cornelius. # "Nutrisco et Extinguo" – 7:11 # "Mont Blanc Providence Crow" – 5:16 # "Christiania (Edvard Munch Commemoration)" – 8:20 # "Epictetus & Irreversibility" – 5:58 # "Dionysify This Night of Spring" – 8:12 # "Red Music Diabolos" – 4:34 # "Buy My Sperm" – 4:35 # "Fraternité de la Grande Lumière" – 5:12 # "The Liberation of Destiny" – 6:28 # "Sonnenuntergang im Weltraum" – 4:32 In the album's booklet, the songs "Red Music Diabolos" and "Dionysify this Night of Spring" are incorrectly listed track five and track six, respectively.
At between about the ages of 4 and 7, children tend to become very curious and ask many questions, beginning the use of primitive reasoning. There is an emergence in the interest of reasoning and wanting to know why things are the way they are. Piaget called it the "intuitive substage" because children realize they have a vast amount of knowledge, but they are unaware of how they acquired it. Centration, conservation, irreversibility, class inclusion, and transitive inference are all characteristics of preoperative thought.
Especially chronic comatose and vegetative patients, when recovery is highly unlikely and treatment in the ICU is considered futile by clinicians. In addition to the aforementioned problems, the question rises why medical resources were being used not for the broader public good but for patients who seemed to have only little to gain from them. Still research is everything but sure about the irreversibility of these conditions. Some studies demonstrated that some patients suffering from disorders of consciousness may be aware despite clinical unresponsiveness.
From 1976 to 1978 Bejan was a Miller research fellow in at the University of California Berkeley working with Chang-Lin Tien. In 1978 he moved to Colorado and joined the faculty of the Department of Mechanical Engineering at the University of Colorado in Boulder. In 1982 Bejan published his first book, Entropy Generation Through Heat and Fluid Flow. The book is aimed at practical applications of the second law of thermodynamics, and presented his ideas on irreversibility, availability and exergy analysis in a form for engineers.
With the newfound lack of a global surplus recycling mechanism Varoufakis considers possible future alternatives in a postscript published in the 2015 second edition of the book. He considers the possibility of a mechanism similar to that proposed by Keynes at Bretton Woods, but concludes that such a replacement for the Global Minotaur will require the support of America as the most likely global leader. This however relies on American policy makers grasping the meaning and irreversibility of the Minotaur's demise.Varoufakis 2015, p.254-256.
Zhao and Zilberman (1999)Zhao, Jinhua and David Zilberman, “Irreversibility and Restoration in Natural Resource Development,” Oxford Economic Papers, v 51, n 3, July 1999, 559-573 extend the real options theory to account for partial and endogenous reversibility. The article showed that accounting for costly reversibility is critical in water resource development. The real options framework has since been applied to natural resource management and restoration that account for resource conserving technological changes in the future (Zhao and Zilberman, 2001Zhao, Jinhua and David Zilberman, “Fixed Costs, Efficient Resource Management and Conservation,” American Journal of Agricultural Economics, v 83, n 4, Nov 2001, 942-957), to money back guarantees where learning about product quality and fit occurs after purchases have been made (Heiman et al., 2002Heiman, Amir, Bruce McWilliams, Jinhua Zhao, and David Zilberman “Valuation and management of money-back guarantee options,” Journal of Retailing, v78, n2, Autumn 2002, 193-205), and technology adoption and adaptation to climate change where irreversibility plays a critical role (Zilberman, Zhao and Heiman, 2012Zilberman, David, Jinhua Zhao, and Amir Heiman “Adaptation versus Adoption: with Emphasis on Climate Change,” Annual Review of Resource Economics, 4, 2012, 27-53.).
'Loschmidt's paradox, also known as the reversibility paradox, irreversibility paradox or ''''', is the objection that it should not be possible to deduce an irreversible process from time-symmetric dynamics. This puts the time reversal symmetry of (almost) all known low-level fundamental physical processes at odds with any attempt to infer from them the second law of thermodynamics which describes the behaviour of macroscopic systems. Both of these are well- accepted principles in physics, with sound observational and theoretical support, yet they seem to be in conflict, hence the paradox.
After retirement, he spent several years as visiting professor at leading American universities. His research covered a very wide area: problems of exergy, evaporation, binary and multi-component systems, heat and mass transfer, combustion and gasification, high temperature plasma, solar collectors and irreversibility of energy conversion in thermodynamic processes. With M. Jakob he laid down principles of nucleate bubble growth in superheated liquid. His textbook Technische Thermodynamik, published in 1935 in Dresden, had seven improved and extended editions in Germany, and was translated into English (Technical Thermodynamics) and Russian (Tehnicheskaya termodinamika).
As a result of the decision, Keene was kept alive much longer than most anencephalic babies. It has been suggested by the dissenting judge in the case that the court should have used the condition anencephaly as the basis of the case, not the recurring subsidiary symptoms of respiratory distress. As the irreversibility of anencephaly is widely understood in the medical community, he argued that the decision to continue futile care only resulted in the repetitive diversion of medical equipment. Keene died on April 5, 1995, at Fairfax Hospital, at age 2 years 174 days.
New York: Oxford University Press, 1999. pp. 55–80. Nussbaum condemns the practice of female genital mutilation, citing deprivation of normative human functioning in its risks to health, impact on sexual functioning, violations of dignity, and conditions of non-autonomy. Emphasizing that female genital mutilation is carried out by brute force, its irreversibility, its non-consensual nature, and its links to customs of male domination, Nussbaum urges feminists to confront female genital mutilation as an issue of injustice.Nussbaum, Martha C. Sex & Social Justice. New York: Oxford University Press, 1999. pp. 118–130.
More recently, it has been recognized that the quantity 'entropy' can be derived by considering the actually possible thermodynamic processes simply from the point of view of their irreversibility, not relying on temperature for the reasoning. Ludwig Boltzmann explained the entropy as a measure of the number of possible microscopic configurations of the individual atoms and molecules of the system (microstates) which comply with the macroscopic state (macrostate) of the system. Boltzmann then went on to show that was equal to the thermodynamic entropy. The factor has since been known as Boltzmann's constant.
However, the acronym "PVS" is intended to define a "persistent vegetative state", without necessarily the connotations of permanence, and is used as such throughout this article. Bryan Jennett, who originally coined the term "persistent vegetative state", has now recommended using the UK division between continuous and permanent in his book The Vegetative State, arguing that "the 'persistent' component of this term ... may seem to suggest irreversibility". The Australian National Health and Medical Research Council has suggested "post coma unresponsiveness" as an alternative term for "vegetative state" in general.
Even when all of the particles are initially on one side of the box, their wave functions do, in fact, permeate the entire box: they constructively interfere on one side, and destructively interfere on the other. Irreversibility is then argued by noting that it is "nearly impossible" for the wave functions to be "accidentally" arranged in some unlikely state: such arrangements are a set of zero measure. Because the eigenfunctions are fractals, much of the language and machinery of entropy and statistical mechanics can be imported to discuss and argue the quantum case.
Another explanation of irreversible systems was presented by French mathematician Henri Poincaré. In 1890, he published his first explanation of nonlinear dynamics, also called chaos theory. Applying the chaos theory to the second law of thermodynamics, the paradox of irreversibility can be explained in the errors associated with scaling from microstates to macrostates and the degrees of freedom used when making experimental observations. Sensitivity to initial conditions relating to the system and its environment at the microstate compounds into an exhibition of irreversible characteristics within the observable, physical realm.
In the 19th century, when belief in orthogenesis was widespread, zoologists (such as Ray Lankester and Anton Dohrn) and the palaeontologists Alpheus Hyatt and Carl H. Eigenmann advocated the idea of devolution. The concept appears in Kurt Vonnegut's 1985 novel Galápagos, which portrays a society that has evolved backwards to have small brains. Dollo's law of irreversibility, first stated in 1893 by the palaeontologist Louis Dollo, denies the possibility of devolution. The evolutionary biologist Richard Dawkins explains Dollo's law as being simply a statement about the improbability of evolution's following precisely the same path twice.
Tipping points are also used when referring to impact: the term can imply that an impact tipping point is (about to be) reached in a natural or human system. See also Adaptation, Human system, Impact, Irreversibility, and Natural Systems." A broader definition of tipping points is sometimes used as well, which includes abrupt but reversible tipping points. In the context of climate change, an "adaptation tipping point" has been defined as "the threshold value or specific boundary condition where ecological, technical, economic, spatial or socially acceptable limits are exceeded.
In accordance with social laws, any social association is divided into managers and subordinates, and social benefits are distributed according to the place of the subject in the power hierarchy. In contrast to the laws of biological individualism, the laws of sociality operate with greater sophistication and irreversibility, since people are able to learn the world and rationally organize their activities: existential laws turn into laws of rational calculation. Morality or law arise as constraints of social laws. In the anthropology of Zinoviev, man is a "social animal", the mind is secondary to the social.
The Stirling cycle is a thermodynamic cycle that describes the general class of Stirling devices. This includes the original Stirling engine that was invented, developed and patented in 1816 by Robert Stirling with help from his brother, an engineer. The ideal Otto and Diesel cycles are not totally reversible because they involve heat transfer through a finite temperature difference during the irreversible isochoric/isobaric heat-addition and heat- rejection processes. The irreversibility renders the thermal efficiency of these cycles less than that of a Carnot engine operating within the same limits of temperature.
In terms of fines and imprisonment, the crimes of larceny and embezzlement rate the same under the Oklahoma code. Only when it comes to sterilization are the pains and penalties of the law different. The equal protection clause would indeed be a formula of empty words if such conspicuously artificial lines could be drawn. Furthermore, because of the social and biological implications of reproduction and the irreversibility of sterilization operations, Justice Douglas also stressed that compulsory sterilization laws in general should be held to strict scrutiny: :The power to sterilize, if exercised, may have subtle, far-reaching and devastating effects.
Bistable input/output relationship is characterized by two stable states with two bifurcation points. Multiple outputs are possible for one specific input in the region of bistability, marked by two bifurcation points. In addition, the bistable relationship displays hysteresis: the final state/output depends on the history of the input as well as the current value of input because the system has a memory. One bifurcation point has a negative control parameter value (the bifurcation point is on the other side of the axis), resulting in disconnection between the two stable states and irreversibility of the transition from one state to the other.
Between 2003 and 2004, he also composed The Orpheus Elegies, a 26 part song cycle for countertenor, oboe and harp based on Rilke's Sonnets to Orpheus. The Corridor focuses entirely on the moment in which Orpheus looks back at Eurydice, thus forcing her to return to the underworld forever. The opera's librettist, David Harsent, considers this one of the most brutal events in mythology: > It might not have the direct physical brutality of the death of Acteon or > the flaying of Marsyas, but the combination of folly and irreversibility > make for something deeper than poignancy and more visceral than regret.
The actual stagnation state is the state achieved after an actual deceleration to zero velocity (as at the nose of a body placed in a fluid stream), and there may be irreversibility associated with the deceleration process. Therefore, the term "stagnation property" is sometimes reserved for the properties associated with the actual state, and the term total property is used for the isentropic stagnation state. The enthalpy is the same for both the actual and isentropic stagnation states (assuming that the actual process is adiabatic). Therefore, for an ideal gas, the actual stagnation temperature is the same as the isentropic stagnation temperature.
In order to maximize work, one must follow the equilibrium curve precisely. Irreversible processes, on the other hand, are a result of straying away from the curve, therefore decreasing the amount of overall work done; an irreversible process can be described as a thermodynamic process that departs from equilibrium. Irreversibility is defined as the difference between the reversible work and the actual work for a process. When described in terms of pressure and volume, it occurs when the pressure (or the volume) of a system changes so dramatically and instantaneously that the volume (or the pressure) does not have time to reach equilibrium.
The ideal Otto and Diesel cycles are not totally reversible because they involve heat transfer through a finite temperature difference during the irreversible isochoric/isobaric heat-addition and isochoric heat-rejection processes. The aforementioned irreversibility renders the thermal efficiency of these cycles less than that of a Carnot engine operating within the same limits of temperature. Another cycle that features isobaric heat-addition and heat- rejection processes is the Ericsson cycle. The Ericsson cycle is an altered version of the Carnot cycle in which the two isentropic processes featured in the Carnot cycle are replaced by two constant-pressure regeneration processes.
Later, scientists such as Ludwig Boltzmann, Josiah Willard Gibbs, and James Clerk Maxwell gave entropy a statistical basis. In 1877 Boltzmann visualized a probabilistic way to measure the entropy of an ensemble of ideal gas particles, in which he defined entropy as proportional to the natural logarithm of the number of microstates such a gas could occupy. Henceforth, the essential problem in statistical thermodynamics has been to determine the distribution of a given amount of energy E over N identical systems. Carathéodory linked entropy with a mathematical definition of irreversibility, in terms of trajectories and integrability.
Since a large fraction of the fuels produced worldwide go to powering heat engines, perhaps up to half of the useful energy produced worldwide is wasted in engine inefficiency, although modern cogeneration, combined cycle and energy recycling schemes are beginning to use this heat for other purposes. This inefficiency can be attributed to three causes. There is an overall theoretical limit to the efficiency of any heat engine due to temperature, called the Carnot efficiency. Second, specific types of engines have lower limits on their efficiency due to the inherent irreversibility of the engine cycle they use.
According to Richard Dawkins, the law is "really just a statement about the statistical improbability of following exactly the same evolutionary trajectory twice (or, indeed, any particular trajectory), in either direction". Stephen Jay Gould suggested that irreversibility forecloses certain evolutionary pathways once broad forms have emerged: "[For example], once you adopt the ordinary body plan of a reptile, hundreds of options are forever closed, and future possibilities must unfold within the limits of inherited design." This principle is classically applied to morphology, particularly of fossils, but may also be used to describe molecular events, such as individual mutations or gene losses.
Since such systems have a built-in irreversibility, it is inappropriate to use them to explain why time is not reversible. There are other systems that are chaotic, and are also explicitly time-reversible: among these is the baker's map, which is also exactly solvable. An interesting avenue of study is to examine solutions to such systems not by iterating the dynamical system over time, but instead, to study the corresponding Frobenius-Perron operator or transfer operator for the system. For some of these systems, it can be explicitly, mathematically shown that the transfer operators are not trace- class.
One might wish, nevertheless, to imagine that one could wait for the Poincaré recurrence, and then re-insert the wall that was removed by the thermodynamic operation. It is then evident that the appearance of irreversibility is due to the utter unpredictability of the Poincaré recurrence given only that the initial state was one of thermodynamic equilibrium, as is the case in macroscopic thermodynamics. Even if one could wait for it, one has no practical possibility of picking the right instant at which to re-insert the wall. The Poincaré recurrence theorem provides a solution to Loschmidt's paradox.
In the present, Bernard arrives and is met by Hannah, who has found a letter detailing the facts of Chater's death – this discovery totally discredits his theory and vindicates Lord Byron's reputation. While Septimus awaits appropriate music for Thomasina's dance lesson, he examines the sketch she made to illustrate the irreversibility of heat; his action mirrors that of Hannah and Valentine, who also pondered the same diagram. Bernard is caught in a compromising position with Chloe, and is asked to depart. Eventually a waltz starts, and Septimus dances with Thomasina, their relationship increasingly complicated by hints of romance.
Presentation of the Charles Schuchert Award of the Paleontological Society to Charles R. Marshall by Douglas Erwin This work led him to propose with Peter Ward that the fossil record of the Mollusca suggested that the extinction at the Cretaceous-Paleogene boundary may have been due in part to marine regression. It also led to revised estimates of the origination times and fidelity of the fossil record for various lineages, including primates and orchids (with the description of Meliorchis). In 1993, he found empirical evidence for exceptions to Dollo's law of irreversibility with Elizabeth and Rudolf Raff.Marshall, C. R., et al. (1994).
Petra was already an actress and filmmaker when she returned to New York in search of Elena, where she decided to film her own loneliness and longing for her sister. Elena is a film about the persistence of memories, the irreversibility of loss, the effects of her sister’s absence on a 7-year-old girl, emotions which Petra refers to as “inconsolable memories”.Petra Costa e Caetano Gotardo fazem cinema intimista. O Estado de S. Paulo “Gradually, the pain and grievance turn to water, they dissolved into memory”, says the director, both actress and biographical character in her film.
Some of the factories that closed as a result, could later have been operated at a (cash-flow) profit after dollar depreciation, but reopening would have been too expensive. This is an example of hysteresis, switching barriers, and irreversibility. If the economy follows adaptive expectations, future inflation is partly determined by past experience with inflation, since experience determines expected inflation and this is a major determinant of realized inflation. A transitory high rate of unemployment during a recession can lead to a permanently higher unemployment rate because of the skills loss (or skill obsolescence) by the unemployed, along with a deterioration of work attitudes.
In a statement on that occasion, Abandzounou said that the alliance was for "democracy and free expression, the establishment of the rule of law, and the irreversibility of political change through the ballot box", and he praised the commitment of Ganao and Sassou Nguesso to peace and reconciliation."L'UFD s'allie au PCT en vue des prochaines échéances électorales", Les Dépêches de Brazzaville, 9 November 2001 . In the May 2002 parliamentary election, Abandzounou was the UFD candidate in Djambala. He won the seat in the first round with 57.43% of the vote."Elections législatives : les 51 élus du premier tour", Les Dépêches de Brazzaville, 5 June 2002 .
In the final section Heilmann seeks to synthesize the information in the previous three sections to uncover the probable origins in a particular group of ancestors. In doing so he discusses the specific morphology of a hypothetical creature, which he refers to as "the proavian", that must have existed between modern birds and their reptilian ancestors. After making a bold assertion that birds are descended from reptiles, Heilmann cites Dollo's law of irreversibility as the primary reason why he believes birds cannot be descended from theropod dinosaurs, despite their many morphological similarities. Dollo's Law states that a feature or organ once lost by evolution cannot be regained.
Authors such as Epstein (1980) and Arrow and Fischer (1974) show that "irreversibility of possible future consequences" creates a "quasi-option effect" which should induce a "risk-neutral" society to favour current decisions that allow for more flexibility in the future. Gollier et al. conclude that "more scientific uncertainty as to the distribution of a future risk – that is, a larger variability of beliefs – should induce society to take stronger prevention measures today." The principle was also derived from religious beliefs that particular areas of science and technology should be restricted as they "belong to the realm of God", as postulated by Prince Charles and Pope Benedict XVI.
However, many of the interesting cases are either ergodic or mixing, and it is strongly suspected that mixing and ergodicity somehow underlie the fundamental mechanism of the arrow of time. Mixing and ergodic systems do not have exact solutions, and thus proving time irreversibility in a mathematical sense is () impossible. Some progress can be made by studying discrete-time models or difference equations. Many discrete-time models, such as the iterated functions considered in popular fractal-drawing programs, are explicitly not time- reversible, as any given point "in the present" may have several different "pasts" associated with it: indeed, the set of all pasts is known as the Julia set.
In terms of this quantity it implies that The second law is applicable to a wide variety of processes, both reversible and irreversible. According to the second law, in a reversible heat transfer, an element of heat transferred, δQ, is the product of the temperature (T), both of the system and of the sources or destination of the heat, with the increment (dS) of the system's conjugate variable, its entropy (S): :\delta Q = T\,dS\, . While reversible processes are a useful and convenient theoretical limiting case, all natural processes are irreversible. A prime example of this irreversibility is the transfer of heat by conduction or radiation.
It marked the start of thermodynamics as a modern science. The first thermodynamic textbook was written in 1859 by William Rankine, originally trained as a physicist and a civil and mechanical engineering professor at the University of Glasgow. The first and second laws of thermodynamics emerged simultaneously in the 1850s, primarily out of the works of William Rankine, Rudolf Clausius, and William Thomson (Lord Kelvin).A New Kind of Science Note (b) for Irreversibility and the Second Law of Thermodynamics The foundations of statistical thermodynamics were set out by physicists such as James Clerk Maxwell, Ludwig Boltzmann, Max Planck, Rudolf Clausius and J. Willard Gibbs.
The idea of "irreversibility" is central to the understanding of entropy. If we watch a movie of billiard balls moving around, it might be easy to distinguish between the movie running forward versus in running in reverse. If we see that the balls start in the lined-up arrangement and move toward being spread out, this intuitively looks like developments we see in everyday life: a puff of smoke going from a high concentration to diffusing into the air, or a car crashing and disintegrating into many pieces spread out on the road. However, if we see that the balls start out in the random arrangement and then move toward being aligned along one edge, something looks wrong.
Justice Chandrachud was a part of the seven-judge bench in Krishna Kumar Singh v. State of Bihar, which concerned the re-promulgation of ordinances. The enduring rights theory, according to which the rights and liabilities accrued by virtue of an ordinance were said to have an enduring effect even after the expiration of the ordinance was held bad in law. Justice Chandrachud writing for the majority held that the rights and liabilities accrued during the force of the ordinance would continue to exist even after the expiration of the ordinance only in public interest or on the basis of constitutional necessity and that ‘irreversibility’ and ‘impracticability’ are the yardsticks to determine what constitutes ‘public interest’.
On the stronger interpretation "irreversibility" means that spontaneous cardiocirculation "cannot be restored no matter what intervention is done, including CPR." On the weaker interpretation it means that spontaneous cardiocirculation "cannot be restored because CPR efforts have been refused by the patient (as a DNR order in an advance directive), by a surrogate decision-maker or by the medical team because it is not medically indicated." Thus the person need not be in a physically irreversible state, but only in a morally or legally irreversible state. On the stronger interpretation, persons declared dead by DCD cardiocirculatory criteria cannot be known to be dead, as it is not always physically impossible to restore circulation by vigorous CPR.
That results in a mixture of liquid and vapor at a lower temperature and pressure. The cold liquid-vapor mixture then travels through the evaporator coil or tubes and is completely vaporized by cooling the warm air (from the space being refrigerated) being blown by a fan across the evaporator coil or tubes. The resulting refrigerant vapor returns to the compressor inlet to complete the thermodynamic cycle. The above discussion is based on the ideal vapor-compression refrigeration cycle, and does not take into account real-world effects like frictional pressure drop in the system, slight thermodynamic irreversibility during the compression of the refrigerant vapor, or non-ideal gas behavior (if any).
In classical thermodynamics, such a rapid change would still be called adiabatic because the system is adiabatically isolated, and there is no transfer of energy as heat. The strong irreversibility of the change, due to viscosity or other entropy production, does not impinge on this classical usage. Thus for a mass of gas, in macroscopic thermodynamics, words are so used that a compression is sometimes loosely or approximately said to be adiabatic if it is rapid enough to avoid heat transfer, even if the system is not adiabatically isolated. But in quantum statistical theory, a compression is not called adiabatic if it is rapid, even if the system is adiabatically isolated in the classical thermodynamic sense of the term.
The first and principal directive states that the target text will invariably fall back on the function of the translational action in any commission. The second directive highlights the importance between the relationship of the source text and target text to their functions in their respective linguistic and cultural contexts. Consequently, the translator is the key figure in this intercultural communication for the purposes of producing the translatum. The third directive mentions that a translatum’s function in its target culture may not necessarily be the same as in its source culture, emphasising on its element of irreversibility. The fourth and fifth directives reiterate the general Skopos “rules” concerning the manner of judging success of the action and information transfer.
United Nations Security Council resolution 991, adopted unanimously on 28 April 1995, after recalling all resolutions and statements on the situation in El Salvador, the Council terminated the United Nations Observer Mission in El Salvador (ONUSAL). The Council recognised that El Salvador had arisen from conflicts to a democratic and peaceful nation and paid tribute to ONUSAL for its efforts. It welcomed the continued commitment of the Salvadoran government and people to national reconciliation and stabilisation of political life in the country. Both the Government of El Salvador and Farabundo Martí National Liberation Front were urged to accelerate the implementation of relevant peace agreements to ensure the irreversibility of the peace process, while the international community would continue to provide assistance.
The concept of irreversibility stems from the idea that if you have a system in an "unlikely" macrostate (\ln \Omega is relatively small) it will soon move to the "most likely" macrostate (with larger \ln \Omega) and the entropy S will increase. A glass of warm water with an ice cube in it is unlikely to just happen, it must have been recently created, and the system will move to a more likely macrostate in which the ice cube is partially or entirely melted and the water is cooled. Statistical mechanics shows that the number of microstates which give ice and warm water is much smaller than the number of microstates that give the reduced ice mass and cooler water.
" Kenneth Baker of the San Francisco Chronicle said "the viewer soon realizes that [Baichwal] shares Burtynsky's astonishment and concern over the scale, tempo and irreversibility of postmodern humanity's global frenzy of production and consumption", and also that the film "leaves its audience with many troubling questions." Ella Taylor of LA Weekly named it the 2nd best film of 2007 (tying with The Host), and Joe Morgenstern of The Wall Street Journal named it the 8th best film of 2007. Although most have praised the film, there has been some negative reception. Michael Phillips of the Chicago Tribune praised the opening shot, but said "the rest of director Baichwal's picture feels constrained and rather dutiful, no matter how passionate these people are about what they're observing.
The cold liquid-vapor mixture then travels through the evaporator coil or tubes and is completely vaporized by cooling the warm air (from the space being refrigerated) being blown by a fan across the evaporator coil or tubes. The resulting refrigerant vapor returns to the compressor inlet at point 1 to complete the thermodynamic cycle. The above discussion is based on the ideal vapor-compression refrigeration cycle, and does not take into account real- world effects like frictional pressure drop in the system, slight thermodynamic irreversibility during the compression of the refrigerant vapor, or non-ideal gas behavior, if any. Vapor compression refrigerators can be arranged in two stages in cascade refrigeration systems, with the second stage cooling the condenser of the first stage.
PQI counts among its numbers faculty members whose area of expertise are in history and philosophy of physics with emphases on relativity, quantum theory, statistical physics, chaos theory, and thermodynamical irreversibility. The crucial and decisive role of mathematics in the formation and application of physical theories is also investigated. In addition, our researchers are also interested in the broader topics of the philosophy of science, such as issues of causality, time, non-locality, and ontology, approaches to confirmation theory, inconsistency in theories, and thought experiments, with a special interest in Einstein's body of work on special and general relativity. Quantum mechanics is intrinsically non-intuitive, with concepts that greatly differ from the principles of the classical world we navigate in.
J.D. Bernal said, in 1962: "... I took a number of rubber balls and stuck them together with rods of a selection of different lengths ranging from 2.75 to 4 inches. I tried to do this in the first place as casually as possible, working in my own office, being interrupted every five minutes or so and not remembering what I had done before the interruption." Following the discovery of microscopic particles and the development of computers, interest expanded beyond the proving ground of gravitational systems to the statistical properties of matter. In an attempt to understand the origin of irreversibility, Fermi proposed in 1953, and published in 1955,Fermi E., Pasta J., Ulam S., Los Alamos report LA-1940 (1955).
Land development puts more emphasis on the expected economic development as a result of the process; "land conversion" tries to focus on the general physical and biological aspects of the land use change. "Land improvement" in the economic sense can often lead to land degradation from the ecological perspective. Land development and the change in land value does not usually take into account changes in the ecology of the developed area. While conversion of (rural) land with a vegetation carpet to building land may result in a rise in economic growth and rising land prices, the irreversibility of lost flora and fauna because of habitat destruction, the loss of ecosystem services and resulting decline in environmental value is only considered a priori in environmental full-cost accounting.
This irreversibility of the inverted-micelles are supported by mass density profiles which display an overlapping of leaflets from opposite membranes that interact forming a strong interlocking between the acyl chains or hydrophobic region with and without the presence of ethanol. Snapshots of the simulations are produced at 100 ns which compared the phospholipid membrane system in the presence of ethanol and in the absence of ethanol which continues to support ethanol's preference to bind near the hydrophilic region of the phospholipid. The researchers also added monovalent ions as salt ions (NaCl) to the phospholipid membrane system which formed non-lamellar phases (micelles) as well. This phenomenon is important because they predict that in the presence of ethanol the micelles can serve as transporters for hydrophilic structures across the membrane.
Thus, the esoteric theory of involution or the theory of everything arising from one began to be accepted by official science. In this context, the role of time in the Second Law of Thermodynamics is curious alone because the irreversible increase of entropy in the universe, as a principle that can be verified through daily observations, as something equivalent of the irreversibility of time, is enough proof of the big bang theory. That is to say, since the increase of entropy in time is continuous and irreversible, one would arrive at the prime oneness if one could travel backward in time.This is mildly suggested in Chapter 16 (Relative Understanding of Time) and Chapter 17 of Gurdjieff, G. I., Beelzebub’s Tales to His Grandson - An Impartially Objective Criticism of the Life of Man, 1950.
The findings of these projects, along with his thinking, and his early-on interest for science, mathematics, philosophy, poetry, science fiction and arts form the mental background for OUBEYs artistic works. Before attending university, OUBEY already had begun to study space exploration, Newtons, Einsteins and Heisenbergs works in physics, the metaphysics of Leibniz, ancient Greek science, philosophy and arts, the geometric and musical theory of harmony, the poetry of Rilke, Celan and Trakl, as well as science fiction literature from Stansilaw Lem to Perry Rhodan. While studying the scientific work of Ilya Prigogine and his pioneering discoveries about complexity, irreversibility, chaos, order, and entropy, OUBEY found confirmation of his holistic view of the world and the cosmos. In 1983, OUBEY decided to live and work as a freelance artist.
The concept "precautionary principle" is generally considered to have arisen in English from a translation of the German term Vorsorgeprinzip in the 1970s in response to forest degradation and sea pollution, where German lawmakers adopted clean air act banning use of certain substances suspected in causing the environmental damage even though evidence of their impact was inconclusive at that time. The concept was introduced into environmental legislation along with other innovative (at that time) mechanisms such as "polluter pays", principle of prevention and responsibility for survival of future ecosystems. In 1988, Konrad von Moltke described the German concept for a British audience, which he translated into English as the precautionary principle. In economics, the Precautionary Principle has been analyzed in terms of "the effect on rational decision- making", of "the interaction of irreversibility" and "uncertainty".
Once an organism has evolved in a certain way, it will not return exactly to a previous form. This is illustrated here in two dimensions; in reality, both biomolecules and organisms evolve in many different dimensions. Dollo's law of irreversibility (also known as Dollo's law and Dollo's principle), proposed in 1893 by Belgian paleontologist Louis Dollo states that, "an organism never returns exactly to a former state, even if it finds itself placed in conditions of existence identical to those in which it has previously lived ... it always keeps some trace of the intermediate stages through which it has passed." The statement is often misinterpreted as claiming that evolution is not reversible, or that lost structures and organs cannot reappear in the same form by any process of devolution.
499, 506 Summer, 2000 Net wealth taxes can complement rather than replace gift taxes, capital gains taxes, and inheritance taxes to increase administrability and the effectiveness of enforcement efforts. In their article, "Investment Effects of Wealth Taxes Under Uncertainty and Irreversibility," Rainer Niemann and Caren Sureth-Sloane found that the effects of wealth taxation on investment mainly depends upon the tax method employed and the broadness of the wealth threshold for taxation. Niemann and Sureth-Sloane found that, “Broadening the wealth tax base tends to accelerate investment during high interest rate periods.” Caren Sureth and Ralf Maiterth concluded that wealth tax revenues from entrepreneurs may decrease in the long term and the revenue from a wealth tax may be negative if the wealth taxation thresholds are too low.
Shortly prior to Francis's address, the Vatican had officially given support to a 2015 United Nations campaign against the death penalty. During a U.N. Human Rights Council meeting concerning the abolishment of capital punishment, Archbishop Silvano Tomasi declared that "The Holy See Delegation fully supports the efforts to abolish the use of the death penalty." The Archbishop stated: > Considering the practical circumstances found in most States ... it appears > evident nowadays that means other than the death penalty 'are sufficient to > defend human lives against an aggressor and to protect public order and the > safety of persons [...] We should take into account that no clear positive > effect of deterrence results from the application of the death penalty and > that the irreversibility of this punishment does not allow for eventual > corrections in the case of wrongful convictions.
The German physicist Rudolf Clausius, in the 1850s, was the first to mathematically quantify the discovery of irreversibility in nature through his introduction of the concept of entropy. In his 1854 memoir "On a Modified Form of the Second Fundamental Theorem in the Mechanical Theory of Heat," Clausius states: Simply, Clausius states that it is impossible for a system to transfer heat from a cooler body to a hotter body. For example, a cup of hot coffee placed in an area of room temperature will transfer heat to its surroundings and thereby cool down with the temperature of the room slightly increasing to (). However, that same initial cup of coffee will never absorb heat from its surroundings, causing it to grow even hotter, with the temperature of the room decreasing to ().
The principle is widely accepted as physical law, but in recent years it has been challenged for using circular reasoning and faulty assumptions, notably in Earman and Norton (1998), and subsequently in Shenker (2000)Logic and Entropy Critique by Orly Shenker (2000) and Norton (2004,Eaters of the Lotus Critique by John Norton (2004) 2011Waiting for Landauer Response by Norton (2011)), and defended by Bennett (2003), Ladyman et al. (2007),The Connection between Logical and Thermodynamic Irreversibility Defense by Ladyman et al. (2007) and by Jordan and Manikandan (2019).Some Like It Hot, Letter to the Editor in reply to Norton's article by A. Jordan and S. Manikandan (2019) On the other hand, recent advances in non-equilibrium statistical physics have established that there is no a priori relationship between logical and thermodynamic reversibility.
In one of the forms in which probabilists now know this theorem, with its "dactylographic" [i.e., typewriting] monkeys (; the French word singe covers both the monkeys and the apes), appeared in Émile Borel's 1913 article "Mécanique Statistique et Irréversibilité" (Statistical mechanics and irreversibility), (The journal appears to not be archived back to 1913) and in his book "Le Hasard" in 1914. (available in full at Internet Archive His "monkeys" are not actual monkeys; rather, they are a metaphor for an imaginary way to produce a large, random sequence of letters. Borel said that if a million monkeys typed ten hours a day, it was extremely unlikely that their output would exactly equal all the books of the richest libraries of the world; and yet, in comparison, it was even more unlikely that the laws of statistical mechanics would ever be violated, even briefly.
After 260 AH, belief in Rajʽa was treated by Sunni authors as a distinctive trait distinguishing Shia and Sunni Muslims, with many books written addressing this distinction. Releasing from Irreversibility with the Proof of Rajʽa (in Arabic: الايقاظ من الهجعة بالبرهان علي الرجعة) was the most extensive book, with reference to more than 670 hadiths, Qurʼanic verses and rationale. Some Sunni scholars do believe in Rajʽa, believing in the return of number of people such as Seven Sleepers synchronous with the appearance of the Mahdi. Jalaluddin Al-Sayuti wrote about the rajʽa but in a different way from the Shiites. According to his book The Possibility of Seeing the Prophet and the Angels (Arabic: تنوير الحلك في إمكان رؤية النبي والملك,) Suyuti claims to have seen the Prophet Muhammad over 70 times while he was awake.
The practice of coercion could be considered exploitative of the poor population, violating basic human rights according to Articles 3 and 4 of the Universal Declaration of Human Rights. There is also a powerful opposing view, that trade in organs, if properly and effectively regulated to ensure that the seller is fully informed of all the consequences of donation, is a mutually beneficial transaction between two consenting adults, and that prohibiting it would itself be a violation of Articles 3 and 29 of the Universal Declaration of Human Rights. Even within developed countries there is concern that enthusiasm for increasing the supply of organs may trample on respect for the right to life. The question is made even more complicated by the fact that the "irreversibility" criterion for legal death cannot be adequately defined and can easily change with changing technology.
In his 1996 book, La Fin des certitudes, written in collaboration with Isabelle Stengers and published in English in 1997 as The End of Certainty: Time, Chaos, and the New Laws of Nature, Prigogine contends that determinism is no longer a viable scientific belief: "The more we know about our universe, the more difficult it becomes to believe in determinism." This is a major departure from the approach of Newton, Einstein and Schrödinger, all of whom expressed their theories in terms of deterministic equations. According to Prigogine, determinism loses its explanatory power in the face of irreversibility and instability. Prigogine traces the dispute over determinism back to Darwin, whose attempt to explain individual variability according to evolving populations inspired Ludwig Boltzmann to explain the behavior of gases in terms of populations of particles rather than individual particles.
Capital punishment is controversial. Death penalty opponents consider it "inhumane", criticize it for its irreversibility, and assert that it is ineffective as a deterrent against crime, pointing to several studies which show it has little deterring effect on crime (though this point is controversial as studies have conflicted in their conclusions on the effectiveness of the death penalty as a deterrant). Human rights organizations have been particularly critical of it, with Amnesty International, for example, stating that "the death penalty is the ultimate, irreversible denial of human rights." Notably, the European Union, in accordance with its official policy of attempting to achieve global abolition of the death penalty, has been vocal in its criticism of the death penalty in the US and has submitted amicus curiae briefs in a number of important US court cases related to capital punishment.
The title of The Struggle Will End Tomorrow (Boj sa skončí zajtra, Miroslav Cikán, 1951) symbolized the irreversibility of what was shown to be the progress of the working class. The name of the leading character in Kathy (Katka, Ján Kadár, 1949) was popular at the time, and so her "ascent" to an industrial laborer was laid out as a better future for thousands of young women. Unlike their colleagues in Prague and neighboring countries in the first years after the Communist takeovers, the Slovak directors of development were consistently unable to "meet the plan" outlined by the Communist Party and were unsuccessful in drafting the required number of socialist-realist projects, which affected the number of films passed for production although the money for them would have been made available by the authorities. Most of the resulting films were neither popular nor critically acclaimed.
Most copyeditors today rely on more modern WYSIWYG (what you see is what you get) text processors such as Microsoft Word that are based on the original PageMaker to do their work. There were a few events that led to changes within copyediting as a career. One of these, the successful strike of the editorial department of the Newark Ledger from November 17, 1934, to March 28, 1935, was "the first major action of its kind by any local guild...[it] both confirmed the irreversibility of the guilds' movement away from the professional association idea and greatly accelerated that process". Paired with another string of strikes led by The New York Newspaper Guild against a number of smaller newspapers in the summer of 1934, these actions served to shift the image of the editorial worker as a "professional" to one as an average citizen.
Although Boltzmann's H-theorem turned out not to be the absolute proof of the second law of thermodynamics as originally claimed (see Criticisms below), the H-theorem led Boltzmann in the last years of the 19th century to more and more probabilistic arguments about the nature of thermodynamics. The probabilistic view of thermodynamics culminated in 1902 with Josiah Willard Gibbs's statistical mechanics for fully general systems (not just gases), and the introduction of generalized statistical ensembles A New Kind of Science Note (b) for Irreversibility and the Second Law of Thermodynamics. The kinetic equation and in particular Boltzmann's molecular chaos assumption inspired a whole family of Boltzmann equations that are still used today to model the motions of particles, such as the electrons in a semiconductor. In many cases the molecular chaos assumption is highly accurate, and the ability to discard complex correlations between particles makes calculations much simpler.
It is a commonplace that plant development is not reversible in time. For example, two daughter cells never go through a reverse mitosis to merge into one mother cell; four pollen grains never go through a reverse meiosis to merge into a pollen mother cell; ejected fern spores never reassemble in a sporangium; and oak trees never recede into an acorn. The irreversibility of plant development is inconsistent with the fundamental laws of physics, which are symmetrical with respect to time and predict that all events are fundamentally reversible. Wayne has shown that the inconsistency between the botanical view and the physical view is a result of temperature being an outsider in the laws of motion given by Newton and Einstein and that this oversight is the source of the predictions of time-reversal-invariance (TRI) or T-symmetry made by these two great systems of motion.
Fig. 1 Immunofluorescence patterns of cyclin B and phosphorylated cyclin-dependent kinase1 (Cdk1) in HeLa cells change as they go from G2 to anaphase. Many speculations were made with regard to the control mechanisms employed by a cell to promote the irreversibility of mitotic exit in a eukaryotic model organism, the budding yeast Saccharomyces cerevisiae. Proteolytic degradation of cell cycle regulators and corresponding effects on the levels of cyclin-dependent kinases were proposed as a mechanism that promotes eukaryotic cell cycle and metaphase-to-anaphase transition in particular. In this theory, anaphase promoting complex (APC), a class of ubiquitin ligase, facilitates degradation of mitotic cyclins (Clb2) and anaphase-inhibiting factors (PDS1, CUT2) to promote mitotic exit. APC ubiquitinates nine-amino acid motif known as the destruction box (D box) in the NH2-terminal domain of mitotic cyclins for degradation by proteasome. APC in association with Cdc20 (APC-Cdc20) ubiquitinates and targets mitotic cyclins (Clb2) for degradation at initial phase.
1.3 The New Concentration Driven RCP Scenarios, and their Extensions, in: Chapter 12: Long-term Climate Change: Projections, Commitments and Irreversibility (archived 16 July 2014), in: Despite characterizing RCPs in terms of inputs, a key change from the 2007 to the 2014 IPCC report is that the RCPs ignore the carbon cycle by focusing on concentrations of greenhouse gases, not greenhouse gas inputs. The IPCC studies the carbon cycle separately, predicting higher ocean uptake of carbon corresponding to higher concentration pathways, but land carbon uptake is much more uncertain due to the combined effect of climate change and land use changes. The four RCPs are consistent with certain socio-economic assumptions but are being substituted with the shared socioeconomic pathways which are anticipated to provide flexible descriptions of possible futures within each RCP. The RCP scenarios superseded the Special Report on Emissions Scenarios projections published in 2000 and were based on similar socio-economic models.
The analog of the 4D light field for sound is the sound field or wave field, as in wave field synthesis, and the corresponding parametrization is the Kirchhoff-Helmholtz integral, which states that, in the absence of obstacles, a sound field over time is given by the pressure on a plane. Thus this is two dimensions of information at any point in time, and over time a 3D field. This two-dimensionality, compared with the apparent four-dimensionality of light, is because light travels in rays (0D at a point in time, 1D over time), while by Huygens–Fresnel principle, a sound wave front can be modeled as spherical waves (2D at a point in time, 3D over time): light moves in a single direction (2D of information), while sound simply expands in every direction. However, light travelling in non-vacuous media may scatter in a similar fashion, and the irreversibility or information lost in the scattering is discernible in the apparent loss of a system dimension.
Landauer's principle can be understood to be a simple logical consequence of the second law of thermodynamics—which states that the entropy of an isolated system cannot decrease—together with the definition of thermodynamic temperature. For, if the number of possible logical states of a computation were to decrease as the computation proceeded forward (logical irreversibility), this would constitute a forbidden decrease of entropy, unless the number of possible physical states corresponding to each logical state were to simultaneously increase by at least a compensating amount, so that the total number of possible physical states was no smaller than it was originally (i.e. total entropy has not decreased). Yet, an increase in the number of physical states corresponding to each logical state means that, for an observer who is keeping track of the logical state of the system but not the physical state (for example an "observer" consisting of the computer itself), the number of possible physical states has increased; in other words, entropy has increased from the point of view of this observer.
One game in which the backward induction solution is well known is tic-tac-toe, but in theory even Go has such an optimum strategy for all players. The problem of the relationship between subgame perfection and backward induction was settled by Kaminski (2019), who proved that a generalized procedure of backward induction produces all subgame perfect equilibria in games that may have infinite length, infinite actions as each information set, and imperfect information if a condition of final support is satisfied. The interesting aspect of the word "credible" in the preceding paragraph is that taken as a whole (disregarding the irreversibility of reaching sub-games) strategies exist which are superior to subgame perfect strategies, but which are not credible in the sense that a threat to carry them out will harm the player making the threat and prevent that combination of strategies. For instance in the game of "chicken" if one player has the option of ripping the steering wheel from their car they should always take it because it leads to a "sub game" in which their rational opponent is precluded from doing the same thing (and killing them both).

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