70 Sentences With "three dimensional representation"

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

I needed to get to the end of it and find out how to freeze those explosions through three-dimensional representation.
The cameras create a three-dimensional representation of you that looks a bit like the monochromatic and slightly blurry videos made by a Microsoft Kinect.
The footage it records captures a stunningly accurate three-dimensional representation of people's bodies in motion, from the bend in an elbow to a wrinkle in your brow.
Bloomberg wrote:The company has applied for two patents that detail a "virtual show room" and fulfillment system that would connect shoppers clad in VR headsets and sensor-packed gloves to a three-dimensional representation of a Walmart store.
They plotted the results on a grid, to create a three-dimensional representation of tourist activity across a city at a given moment—then added a fourth dimension by repeating the process for every hour of data available.
The first part of Dr Seales's remote-reading method was to take an X-ray of the scroll—or, rather, multiple X-rays from different directions that could be combined by a computer into a three-dimensional representation of the scroll's interior.
The Brent volatility surface, a three-dimensional representation of which options are currently most in demand, shows volatility for at-the-money options, which allow the holder to buy or sell the underlying futures contract at the current price, has hit its highest since May last year.
In a three-dimensional representation, also referred to as a pictorial, all three dimensions of an object are visible.
Anatomical model of a human head and torso An anatomical model is a three- dimensional representation of human or animal anatomy, used for medical and biological education.
Acta Obstet Gynecol Scand. 2012; 91: 1015–1028 VR can produce a three dimensional representation of a particular patient's anatomy that allows surgeons to map out the surgery ahead of time.
Marrow D. J. in It has been dated to about 1390, it is tall, and was once painted in bright colours.Marrow, D. J. in The gallery also contains a three-dimensional representation of the statue as it is believed it would have originally appeared.
The above three-dimensional representation is just one of many representations it can have; it shows that the blancmange curve is one possible realization of the action. That is, there are representations for any dimension, not just 3; some of these give the de Rham curves.
In computer vision, the term cuboid is used to describe a small spatiotemporal volume extracted for purposes of behavior recognition. The cuboid is regarded as a basic geometric primitive type and is used to depict three-dimensional objects within a three dimensional representation of a flat, two dimensional image.
In many cases, it is highly systematic. Finger rafting in the Weddell Sea, Operation IceBridge photo, 2017. Idealized three-dimensional representation of finger rafting, It occurs when two thin ice sheets converge toward each other. Finger rafting derives its name from its resemblance to the interlocking of fingers.
Macrotask games, unlike microtask games, contain complex problems that are usually left to experts to solve. In 2008, a macrotask game called Foldit was created by Seth Cooper. The idea was that players would attempt to fold a three-dimensional representation of a protein. This task was a hard problem for computers to automate completely.
It is one of the works that was presented at Lichtenstein's first solo exhibition and one that was critical to his early association with pop art. The work is commonly critiqued for its tension involving a three-dimensional representation in two dimensions with much discussion revolving around the choice of a background nearly without any perspective.
Three-dimensional representation of the ventricular system of the human brain. The fourth ventricle is the lower blue mass. The little points sticking out on the left and right are the two parts of the lateral recess. The lateral recess is a projection of the fourth ventricle which extends into, or rather below, the inferior cerebellar peduncle of the brainstem.
The Bull-Leaping Fresco from the Great Palace at Knossos, Crete The bull- leaper, an ivory figurine from the palace of Knossos, Crete. The only complete surviving figure of a larger arrangement of figures. This is the earliest three dimensional representation of the bull leap. It is assumed that thin gold pins were used to suspend the figure over a bull.
Golf Ball was one of the bases by which "critics aligned him with other practitioners of Pop Art", although much is made about the painting's references to abstract painting, especially its likeness to Mondrian's works. Furthermore, the painting leverages tensions regarding three-dimensional representation in two dimensions resulting from spatial ambiguities caused by the lack of cues in the background.
"Essence" is a sculpture designed for the Ralston Purina company and is located at its headquarters in St. Louis. A protein molecule cross-section, created by slicing the protein molecule using a process called x-ray diffraction, was the inspiration for "Essence", a three-dimensional representation of the molecule. The design team included Schultz, sculptor, Hellmuth/Obata/Kassabaum, architect, and Arthur Monsey, engineer.
As an example, chemical compounds represented in the widely used SMILES (Simplified molecular input line entry specification) format can be imported inside data tables, where they can be rendered adequately using either a three-dimensional representation or its structural formula. The relational model also serves as the base data model for data integration, and is used for the majority of generic data cleaning and transformation tasks.
Arnold-Graboné became well known for his unique style of Palette knife painting. His technique used the texture of thickly applied paint to create an actual three-dimensional representation of a landscape. In Graboné’s works, the colors are remarkable for their brilliance, distinguishing his landscapes from those of other pallet-knife painters. The brilliance is a result of Graboné’s color- separation technique in knife-painting.
A collection of parallel slices form a slice-stack, a three-dimensional representation of the distribution of radionuclide in the patient. The nuclear medicine computer may require millions of lines of source code to provide quantitative analysis packages for each of the specific imaging techniques available in nuclear medicine. Time sequences can be further analysed using kinetic models such as multi-compartment models or a Patlak plot.
One such example is the applications of his three-dimensional oscilloscope display to electrocardiographs. Typical ECGs measured the electrical currents generated from heart contractions, and displayed them as a two-dimensional graph. Schmitt's innovation allowed for the depiction of a three-dimensional representation of the electric potential of the heart. This depiction could even be manipulated in space to allow a more thorough analysis of the heart's activity.
3D graphics, compared to 2D graphics, are graphics that use a three-dimensional representation of geometric data. For the purpose of performance, this is stored in the computer. This includes images that may be for later display or for real-time viewing. Despite these differences, 3D computer graphics rely on similar algorithms as 2D computer graphics do in the frame and raster graphics (like in 2D) in the final rendered display.
Sanborn has also created works of art that reach into the realms of atomic energy and experimental physics. In Atomic Time: Pure Science and Seduction, he presented a "life-size re-creation of a hypothetical atomic lab." The exhibit featured the sculpture Critical Assembly, a three- dimensional representation of the components of an atomic bomb. The sculpture included a disassembled sphere that had been designed to hold the nuclear payload of plutonium and uranium.
A model maker is a professional craftsperson who creates a three-dimensional representation of a design or concept. Most products in use and in development today first take form as a model. This "model" may be an exacting duplicate (prototype) of the future design or a simple mock-up of the general shape or concept. Many prototype models are used for testing physical properties of the design, others for usability and marketing studies.
The organic materials making up cell walls have been replicated with minerals (mostly a silicate, such as opal, chalcedony, or quartz). In some instances, the original structure of the stem tissue may be partially retained. Unlike other plant fossils, which are typically impressions or compressions, petrified wood is a three-dimensional representation of the original organic material. The petrifaction process occurs underground, when wood becomes buried in water- saturated sediment or volcanic ash.
PU(n) in general has no n-dimensional representations, just as SO(3) has no two-dimensional representations. PU(n) has an adjoint action on SU(n), thus it has an (n^2-1)-dimensional representation. When n = 2 this corresponds to the three dimensional representation of SO(3). The adjoint action is defined by thinking of an element of PU(n) as an equivalence class of elements of U(n) that differ by phases.
Fixed 3D refers to a three- dimensional representation of the game world where foreground objects (i.e. game characters) are typically rendered in real time against a static background. The principal advantage of this technique is its ability to display a high level of detail on minimal hardware. The main disadvantage is that the player's frame of reference remains fixed at all times, preventing players from examining or moving about the environment from multiple viewpoints.
Three- dimensional representation of Mount Rainier Nisqually Glacier is seen clearly from the southeast of the mountain. Glaciers are among the most conspicuous and dynamic geologic features on Mount Rainier. They erode the volcanic cone and are important sources of streamflow for several rivers, including some that provide water for hydroelectric power and irrigation. Together with perennial snow patches, the 29 named glacial features cover about of the mountain's surface in 2015 and have an estimated volume of about .
Critical Assembly was displayed at the Corcoran Gallery of Art in 2003 during an exhibit entitled "Atomic Time: Pure Science and Seduction." The main part of the sculpture is a three-dimensional representation of components of an atomic bomb. The artwork included a disassembled sphere that had been designed to hold the nuclear payload of plutonium and uranium. Sanborn purchased the blank sphere from prior lab employees who had bought them as surplus after the experiments of the project ceased.
The relationship between any such pairs of event is called timelike, because they have a time distance greater than zero for all observers. A straight line connecting these two events is always the time axis of a possible observer for whom they happen at the same place. Two events which can be connected just with the speed of light are called lightlike. In principle a further dimension of space can be added to the Minkowski diagram leading to a three-dimensional representation.
The video from the six cameras is then triangulated and combined to create a three-dimensional representation of the ball's trajectory. Hawk-Eye is not infallible, but is accurate to within 3.6 millimetres and generally trusted as an impartial second opinion in sports. It has been accepted by governing bodies in tennis, cricket and association football as a means of adjudication. Hawk-Eye is used for the Challenge System since 2006 in tennis and Umpire Decision Review System in cricket since 2009.
ART Paintings La mestiza, Indígenas chaqueños: by Roberto Holden El mercado Guasú, Calle Palma by Ignacio Núñez Soler La Chacarita: by Alicia Bravard Personajes del Mercado de Asunción: little statues by Serafín Marsal(1861–1951). Born in Spain and arrived to Paraguay in 1907, where he settled definitively. Maqueta del Centro histórico de Asunción ''' Asuncion's Historic Centre Model A three-dimensional representation of the city, the historical buildings are in Light brown. The rest of the buildings are in a neutral color.
He apparently became the leading peripatetic of the city, and was counted among the opponents of the Copernican heliocentric theory. Following Galileo’s observations of the Moon by means of a telescope, published in Sidereus Nuncius, Lagalla published a booklet in response. He participated in the demonstrations of the instrument by Galileo and was not among those who doubted the ability of the instrument. But he did debate Galileo's three-dimensional representation of the Moon based on two- dimensional visual observations.
Jimmy Alapag holds The Leo during the 2003 PBA Annual Awards The Leo is a statuette given by the Philippine Basketball Association to its seasonal awardees. Introduced in 2003, it became the standard trophy of all awards given by the league for its season awards such as the Most Valuable Player, Mythical Team and others. The statuette features a three-dimensional representation of the player depicted in the league's official logo. It was named in honor of Leopoldo "Leo" Prieto, the PBA's first commissioner.
Littlejohn was the World War II Quartermaster for the European Theater of Operations and tireless supporter of the museum. In June 1998 a research and learning center was completed and dedicated to Major General Joseph E. Peklik, the driving force behind fund raising for this expansion effort. This addition houses the museum curator, library, archival storage, conservation laboratory and collection study area. The most noticeable feature of the exterior of the museum building is the large iconic three-dimensional representation of the Quartermaster branch insignia.
These works on the skull at the Hôpital d'instruction des armées Desgenettes concluded that Dumollard had an angioma on his lip. In the mid-1980s, three researchers from Lyon, Claire Desbois, Claude Mallet and Raoul Perrot, developed a method of reconstructing the face from data derived from the single bone structure. They call it "DMP", of their initials, using this method to make a three dimensional representation of Dumollard's face. Comparison with photographs from the time period were used to validate the new method.
Aesthetic considerations within the visual arts are usually associated with the sense of vision. A painting or sculpture, however, is also perceived spatially by recognized associations and context, and even to some extent by the senses of smell, hearing, and touch. The form of the work can be subject to an aesthetic as much as the content. In painting, the aesthetic convention that we see a three-dimensional representation rather than a two-dimensional canvas is so well understood that most people do not realize that they are making an aesthetic interpretation.
LiDAR, an acronym meaning Light Detection And Ranging, is, according to the National Oceanic and Atmospheric Administration, "a remote sensing method that uses light in the form of a pulsed laser to measure distances". These light pulses, along with other data, generate a three-dimensional representation of whatever the light pulses reflect off, giving an accurate representation of the surface characteristics. A LiDAR system usually consists of a laser, scanner, and GPS receiver. Airplanes and helicopters are the most commonly used platforms for acquiring LIDAR data over broad areas.
By combining data from the High Resolution Stereo Camera (HRSC) on the Mars Express probe and the Mars Orbiter Camera (MOC) on board NASA's Mars Global Surveyor it has been possible to create a three-dimensional representation of the "Face on Mars". One of many formations in Cydonia, this one is sometimes called the "D & M pyramid". Since it was originally first imaged, the face has been accepted by scientists as an optical illusion, an example of the psychological phenomenon of pareidolia.Normand Baillargeon, A Short Course in Intellectual Self Defense: Find Your Inner Chomsky, p.
In its iconography and image the yali has a catlike graceful body, but the head of a lion with tusks of an elephant (gaja) and tail of a serpent. Sometimes they have been shown standing on the back of a makara, another mythical creature and considered to be the Vahan of Budha (Mercury). Some images look like three-dimensional representation of yalis. Images or icons have been found on the entrance walls of the temples, and the graceful mythical lion is believed to protect and guard the temples and ways leading to the temple.
His films often explore mathematically inspired ideas such as the Möbius strip, impossible objects, visual paradoxes and tessellations. He frequently uses these ideas as foundation for creating narrative form, such as the palindrome structure of Tenet. Notable examples of "mathematical beauty" in his work include the Penrose stairs in Inception, and the tesseract in Interstellar, "a three-dimensional representation of our four-dimensional reality (three physical dimensions plus time) inside the five-dimensional (four dimensions plus time) hyperspace". The logo for Nolan's production company, Syncopy, is a centreless maze.
The resulting 3-D space provides a unique position for every possible color that can be created by combining those three pigments. Colors can be created on computer monitors with color spaces based on the RGB color model, using the additive primary colors (red, green, and blue). A three-dimensional representation would assign each of the three colors to the X, Y, and Z axes. Note that colors generated on given monitor will be limited by the reproduction medium, such as the phosphor (in a CRT monitor) or filters and backlight (LCD monitor).
A color solid is the three-dimensional representation of a color model, an analog of the two-dimensional color wheel. The added spatial dimension allows a color solid to depict an added dimension of color variation. Whereas a two- dimensional color wheel typically depicts the variables of hue (red, green, blue, etc.) and lightness (gradations of light and dark, tints or shades), a color solid adds the variable of colorfulness (either chroma or saturation), allowing the solid to depict all conceivable colors in an organized three- dimensional structure.
The largest Buddhist stupa in the world is the 9th-century complex at Borobudur in central Java, built as a Mandala, a giant three-dimensional representation of Esoteric Buddhist cosmology. The temple shows Indian and local influences and is decorated with 2,672 relief panels and 504 Buddha statues. The reliefs depict stories from the Lalitavistara Sutra, Jataka tales and the Gandavyuha sutra. Borobudur was abandoned sometime in the classic period, whether caused by human activity; of war or political turmoil, or natural disasters, as it lies on a volcanic plain of Merapi and other active volcanoes in central Java.
A comparison of CMYK and RGB color models. This image demonstrates the difference between how colors will look on a computer monitor (RGB) compared to how they will reproduce in a CMYK print process. Colors can be created in printing with color spaces based on the CMYK color model, using the subtractive primary colors of pigment (cyan, magenta, yellow, and black). To create a three- dimensional representation of a given color space, we can assign the amount of magenta color to the representation's X axis, the amount of cyan to its Y axis, and the amount of yellow to its Z axis.
NASA Ocean Biogeochemical Model (NOBM) is a three-dimensional representation of coupled circulation/biogeochemical/radiative processes in the global oceans. It was built at the Global Modeling and Assimilation Office and is in the process of being coupled to the Goddard Earth Observing System Model, Version 5 (GEOS-5) climate systems. It spans the domain from -84° to 72° latitude in increments of 1.25° longitude by 2/3° latitude, including only open ocean areas, where bottom depth are greater than 200 m. The biogeochemical model contains 4 phytoplankton groups, four nutrient groups, a single herbivore group, and three detrital pools.
Around this same time, Goldberg and Chen presented an adaptive collaborative control system that possessed malfunctioning sources. The control design proved to create a model that maintained a robust performance when subjected to a sizeable fraction of malfunctioning sources. In the work, Goldberg and Chen expanded on the definition of collaborative control to include multiple sensors and multiple control processes in addition to human operators as sources. A collaborative, cognitive workspace in the form of a three-dimensional representation developed by Idaho National Laboratory to support understanding of tasks and environments for human operators expounds on Fong's seminal work which used textual dialogue as the human-robot interaction.
In Brodmann area 7 of the PPC, the positioning of objects with respect to the eyes is represented completely extrinsically with no input from the positioning of the body involved. This opposes the case of other parts of the PPC such as Brodmann area 5 which represents objects in relation to body defined coordinates. Due to the extrinsic and intrinsic properties of motor functioning, it is speculated that these types of signals are both taken multiplicatively to form the gain field. With input from each area, a three- dimensional representation of the objects in space can be arranged for use by the rest of the motor system.
He began to explore facades and structures and gradually dabble into abstraction, which would become his most identifiable style later in his career. He began by depicting buildings around him in America and eventually delved into depicting imagined buildings, which would take him further into three dimensional representation and the conceptual. After he received his degree in architecture from Kent State in 1958, Salinas pursued architecture professionally in different cities, identifying as a Modernist, while also continuing to paint and exhibit his work. For the remainder of the decade he would work as an architect while residing in Mexico City (1957–59) and San Antonio, Texas (1959–61).
Just as the concept of God exists in a space that is incomprehensible to humans, the hypercube exists in four spatial dimensions, which is equally inaccessible to the mind. The net of the hypercube is a three-dimensional representation of it, similar to how Christ is a human form of God that is more relatable to people. The word "corpus" in the title can refer both to the body of Christ and to geometric figures, reinforcing the link Dalí makes between religion and mathematics and science.Ralf Schiebler- Dalí: The Reality of Dreams Christ's levitation above the Earth could symbolize His rise above Earthly desire and suffering.
A three- dimensional TEM image of a parapoxvirus As TEM specimen holders typically allow for the rotation of a sample by a desired angle, multiple views of the same specimen can be obtained by rotating the angle of the sample along an axis perpendicular to the beam. By taking multiple images of a single TEM sample at differing angles, typically in 1° increments, a set of images known as a "tilt series" can be collected. This methodology was proposed in the 1970s by Walter Hoppe. Under purely absorption contrast conditions, this set of images can be used to construct a three-dimensional representation of the sample.
Rhesus macaques are able to be trained to use rudimentary tools, but have never been proven to use tools spontaneously in the wild. Not only is it necessary for the body schema to be able to integrate and form a three- dimensional representation of the body, but it also plays an important role in tool use. Studies recording neuronal activity in the intraparietal cortex in macaques have shown that, with training, the macaque body schema updates to include tools, such as those used for reaching, into the body schema. In humans, body schema plays an important role in both simple and complex tool use, far beyond that of macaques.
3D computer graphics, or three-dimensional computer graphics (in contrast to 2D computer graphics), are graphics that use a three-dimensional representation of geometric data (often Cartesian) that is stored in the computer for the purposes of performing calculations and rendering 2D images. The resulting images may be stored for viewing later (possibly as an animation) or displayed in real time. Unlike 3D film and similar techniques, the result is two-dimensional, without the illusion of being solid. 3D computer graphics rely on many of the same algorithms as 2D computer vector graphics in the wire-frame model and 2D computer raster graphics in the final rendered display.
Three dimensional graph depicting the function F(x,y) where x and y could be the concentration of the individual components in toxic units and the height of the graph depicts the toxicological response.Response surfaces are a more advanced and complex way to visualize the same information presented in an isobologram. A response surface is a three dimensional graph with concentrations of individual components in toxic units on the x and y axis and the response variable on the z axis. This three dimensional representation of the organisms response to the two chemical stressors can be used to predict the toxicity of any combination of the components based on the nonlinear regression models that form the response surface.
These islands aren't large enough to provide conscious perception, but nevertheless enough for some unconscious visual perception. A third theory is that the information required to determine the distance to and velocity of an object in object space is determined by the lateral geniculate nucleus before the information is projected to the visual cortex. In a normal subject, these signals are used to merge the information from the eyes into a three-dimensional representation (which includes the position and velocity of individual objects relative to the organism), extract a vergence signal to benefit the precision (previously auxiliary) optical system, and extract a focus control signal for the lenses of the eyes. The stereoscopic information is attached to the object information passed to the visual cortex.
Heard started the work after suffering injuries to his hands in a car accident in 2013 which prevented him continuing with his earlier artworks. He was inspired by injured British servicemen returning from Afghanistan, and the difficulty to envision the 19,240 Commonwealth soldiers killed on the first day of the Battle of the Somme, on 1 July 1916. The shrouded figures draw in part from the films of Ridley Scott, and presents a tangible three dimensional representation of each dead soldier and of the scale of the casualties. Determined to make each figure an individual, each shroud covers a plastic figurine approximately long (approximately 1:6 scale); the figurines are jointed so each can take its own slightly different position.
Parallel or full field OCT using a charge-coupled device (CCD) camera has been used in which the sample is full- field illuminated and en face imaged with the CCD, hence eliminating the electromechanical lateral scan. By stepping the reference mirror and recording successive en face images a three-dimensional representation can be reconstructed. Three-dimensional OCT using a CCD camera was demonstrated in a phase-stepped technique, using geometric phase shifting with a Linnik interferometer, utilising a pair of CCDs and heterodyne detection, and in a Linnik interferometer with an oscillating reference mirror and axial translation stage. Central to the CCD approach is the necessity for either very fast CCDs or carrier generation separate to the stepping reference mirror to track the high frequency OCT carrier.
In terms of representation theory, what has happened is that the two conjugate 2-dimensional spin representations of the spin group SU(2) = Spin(3) (as it sits inside the 3-dimensional Clifford algebra) have tensored to produce a 4 dimensional representation. The 4 dimensional representation descends to the usual orthogonal group SO(3) and so its objects are tensors, corresponding to the integrality of their spin. The 4 dimensional representation decomposes into the sum of a one-dimensional trivial representation (singlet, a scalar, spin zero) and a three-dimensional representation (triplet, spin 1) that is nothing more than the standard representation of SO(3) on R^3. Thus the "three" in triplet can be identified with the three rotation axes of physical space.
The Holy Ghost panel in the Horseshoe Canyon is considered to be one of the earliest uses of graphical perspective where the largest figure appears to take on a three dimensional representation. Recent archaeological evidence has established that in at least one great house, Pueblo Bonito, the elite family whose burials associate them with the site practiced matrilineal succession. Room 33 in Pueblo Bonito, the richest burial ever excavated in the Southwest, served as a crypt for one powerful lineage, traced through the female line, for approximately 330 years. While other Ancestral Pueblo burials have not yet been subjected to the same archaeogenomic testing, the survival of matrilineal descent among contemporary Puebloans suggests that this may have been a widespread practice among Ancestral Puebloans.
The final approach is the Z curve. Unlike the previous methods, this method do not uses the sliding window strategy and is thought to perform better as to finding the origin of replication. In this method, each base's cumulative frequency with respect to the base at the beginning of the sequence is investigated. The Z curve uses a three-dimensional representation with the following parameters: x_{n} = (A_{n} + G_{n}) - (C_{n} + T_{n}) y_{n} = (A_{n} + C_{n}) - (G_{n} + T_{n}) z_{n} = (A_{n} + T_{n}) - (C_{n} + G_{n}) Where n = 0, 1, 2, ... N, x_{n} represents the excess of purine over pyrimidine, y_{n} denotes excess of keto over amino, and z_{n} shows the relationship between the weak and strong hydrogen bonds.
Alice ultraviolet imaging spectrometer on New Horizons An imaging spectrometer is an instrument used in hyperspectral imaging and imaging spectroscopy to acquire a spectrally-resolved image of an object or scene, often referred to as a datacube due to the three-dimensional representation of the data. Two axes of the image corresponds to vertical and horizontal distance and the third to wavelength. The principle of operation is the same as that of the simple spectrometer, but special care is taken to avoid optical aberrations for better image quality. Example imaging spectrometer types include: filtered camera, whiskbroom scanner, pushbroom scanner, integral field spectrograph (or related dimensional reformatting techniques), wedge imaging spectrometer, Fourier transform imaging spectrometer, computed tomography imaging spectrometer (CTIS), image replicating imaging spectrometer (IRIS), coded aperture snapshot spectral imager (CASSI), and image mapping spectrometer (IMS).
382–3 The Neo-dada movement, including Jasper Johns, returned to Duchamp's three-dimensional representation of everyday household objects to create their own brand of still-life work, as in Johns' Painted Bronze (1960) and Fool's House (1962).Ebert-Schifferer, p. 384-6 Avigdor Arikha, who began as an abstractionist, integrated the lessons of Piet Mondrian into his still lifes as into his other work; while reconnecting to old master traditions, he achieved a modernist formalism, working in one session and in natural light, through which the subject-matter often emerged in a surprising perspective. A significant contribution to the development of still-life painting in the 20th century was made by Russian artists, among them Sergei Ocipov, Victor Teterin, Evgenia Antipova, Gevork Kotiantz, Sergei Zakharov, Taisia Afonina, Maya Kopitseva, and others.
155 – c. 229 CE) for 13 CE, and (what is now known to have been) a supernova in AD 185.Loewe (1994), 69. For various comets discussed in the Han-era history books Records of the Grand Historian and Book of Han, details are given for their position in the sky and direction they were moving, the length of time they were visible, their color, and their size.Loewe (1994), 75–76. The Han-era Chinese also made star catalogues, such as historian Sima Qian's (145–86 BCE) A Monograph on Celestial Officials (Tianguanshu 天官書) and Zhang Heng's 2nd-century-CE star catalogue which featured roughly 2,500 stars and 124 constellations.de Crespigny (2007), 1050; Balchin (2003), 27; Sun & Kristemaker (1997), 5 & 21–23. To create a three- dimensional representation of such observations,Sun & Kistemaker (1997), 25 & 62.
The spatial QRS-T angle (SA) is derived from a vectorcardiogram, which is a three-dimensional representation of the 12-lead electrocardiogram (ECG) created with a computerized matrix operation. The SA is the angle of deviation between two vectors; the spatial QRS-axis representing all of the electrical forces produced by ventricular depolarization and the spatial T-axis representing all the electrical forces produced by ventricular repolarization. The SA is indicative of the difference in orientation between the ventricular depolarization and repolarization sequence. In healthy individuals, the direction of ventricular depolarization and repolarization is relatively reversed; this creates a sharp SA. There is high individual variability and gender difference in the magnitude of the SA. The mean, normal SA in healthy young adult females and males is 66° and 80°, respectively, and very similar magnitudes are found in the elderly population (65 years and older).
A typical Latin cross A typical Greek cross The Christian cross, seen as a representation of the instrument of the crucifixion of Jesus, is the best- known symbol of Christianity. It is related to the crucifix (a cross that includes a corpus, usually a three-dimensional representation of Jesus' body) and to the more general family of cross symbols, the term cross itself being detached from the original specifically Christian meaning in modern English (as in many other western languages). The basic forms of the cross are the Latin cross with unequal arms (✝) and the Greek cross (✚) with equal arms, besides numerous variants, partly with confessional significance, such as the tau cross, the double-barred cross, triple-barred cross, cross-and-crosslets, and many heraldic variants, such as the cross potent, cross pattée, cross moline, cross fleury, etc. For a few centuries the emblem of Christ was a headless T-shaped Tau cross rather than a Latin cross.
The ivory portrait bust of Ram Mohan Roy made in London in 1832 by the famous ivory carver Benjamin Cheverton (1796-1876), is based on a bust made around the same time by the gifted sculptor George Clarke (1796-1842). The bust is exceptional because Ram Mohan Roy gave sittings to Clarke (the only time he did this for a sculptor) to enable the bust to be modelled, and Cheverton copied the bust in ivory for George Clarke, who lent his model to Cheverton to enable this to be done. The process employed by Cheverton to make the copy means that it is identical with Clarke's bust, save that it is on a reduced scale. Clarke's bust is missing, and this small ivory bust is the finest three-dimensional representation of Ram Mohan Roy that exists, since it reflects exactly what was observed when the great man sat to Clarke to have his bust modelled.
Pyramidal carbocation with composition The isolation of an ion with composition was first reported from investigations of hexamethyl Dewar benzene in the 1960s; a pyramidal structure was suggested based on NMR evidence and subsequently supported by disordered crystal structure data. In the early 1970s theoretical work led by Hepke Hogeveen predicted the existence of a pyramidal dication , and the suggestion was soon supported by experimental evidence. Spectroscopic investigation of the two-electron oxidation of benzene at very low temperatures (below 4 K) shows that a hexagonal dication forms and then rapidly rearranges into a pyramidal structure: 600px Three-dimensional representation of having a rearranged pentagonal-pyramid framework Direct, two-electron oxidation of hexamethylbenzene would be expected to result in a near-identical rearrangement to a pyramidal carbocation, but attempts to synthesise it in bulk by this method have been unsuccessful. However, a modification of the Hogeveen approach was reported in 2016, along with a high-quality crystal structure determination of .

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