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Clinical Genetics (journal) | Clinical Genetics is a monthly peer-reviewed medical journal covering medical genetics. It was established in 1970 and is published by Wiley-Blackwell. The editor-in-chief is Reiner A. Veitia (University of Paris). |
Timeline of science fiction | This is a timeline of science fiction as a literary tradition. While the date of the start of science fiction is debated, this list includes a range of Ancient, Medieval, and Renaissance-era precursors and proto-science fiction as well, as long as these examples include typical science fiction themes and topoi such as ... |
Goldwork (embroidery) | Goldwork is the art of embroidery using metal threads. It is particularly prized for the way light plays on it. The term "goldwork" is used even when the threads are imitation gold, silver, or copper. The metal wires used to make the threads have never been entirely gold; they have always been gold-coated silver or che... |
Clomegestone acetate | Clomegestone acetate (USAN) (developmental code name SH-741), or clomagestone acetate, also known as 6-chloro-17α-acetoxy-16α-methylpregna-4,6-diene-3,20-dione, is a steroidal progestin of the 17α-hydroxyprogesterone group which was developed as an oral contraceptive but was never marketed. It is the acetate ester of c... |
Medium access control | In IEEE 802 LAN/MAN standards, the medium access control (MAC, also called media access control) sublayer is the layer that controls the hardware responsible for interaction with the wired, optical or wireless transmission medium. The MAC sublayer and the logical link control (LLC) sublayer together make up the data li... |
Canon EF 200-400mm lens | The EF 200–400 mm f/4L IS USM Extender 1.4× is an EF mount super telephoto zoom lens produced by Canon. It is part of the professional L-series and functions with the Canon EOS line of cameras. The EF 200–400 mm lens features an ultrasonic motor, image stabilization and weather sealing. It is the first and only EF lens... |
The History of Mathematical Tables | The History of Mathematical Tables: from Sumer to Spreadsheets is an edited volume in the history of mathematics on mathematical tables. It was edited by Martin Campbell-Kelly, Mary Croarken, Raymond Flood, and Eleanor Robson, developed out of the presentations at a conference on the subject organised in 2001 by the Br... |
Thyrotropin receptor | The thyrotropin receptor (or TSH receptor) is a receptor (and associated protein) that responds to thyroid-stimulating hormone (also known as "thyrotropin") and stimulates the production of thyroxine (T4) and triiodothyronine (T3). The TSH receptor is a member of the G protein-coupled receptor superfamily of integral m... |
Quantum cellular automaton | A quantum cellular automaton (QCA) is an abstract model of quantum computation, devised in analogy to conventional models of cellular automata introduced by John von Neumann. The same name may also refer to quantum dot cellular automata, which are a proposed physical implementation of "classical" cellular automata by e... |
Heredofamilial amyloidosis | Heredofamilial amyloidosis is an inherited condition that may be characterized by systemic or localized deposition of amyloid in body tissues.: 522 |
Envelope (mathematics) | In geometry, an envelope of a planar family of curves is a curve that is tangent to each member of the family at some point, and these points of tangency together form the whole envelope. Classically, a point on the envelope can be thought of as the intersection of two "infinitesimally adjacent" curves, meaning the lim... |
Highly accelerated life test | A highly accelerated life test (HALT) is a stress testing methodology for enhancing product reliability in which prototypes are stressed to a much higher degree than expected from actual use in order to identify weaknesses in the design or manufacture of the product. Manufacturing and research and development organizat... |
Metallogels | Metallogels are one-dimensional nanostructured materials, which constitute a growing class in the Supramolecular chemistry field. Non-covalent interactions, such as hydrophobic interactions, π-π interactions, and hydrogen bonding, are among the responsible forces for the formation of those gels from small molecules. Ho... |
3C-like protease | The 3C-like protease (3CLpro) or main protease (Mpro), formally known as C30 endopeptidase or 3-chymotrypsin-like protease, is the main protease found in coronaviruses. It cleaves the coronavirus polyprotein at eleven conserved sites. It is a cysteine protease and a member of the PA clan of proteases. It has a cysteine... |
Flip chip | Flip chip, also known as controlled collapse chip connection or its abbreviation, C4, is a method for interconnecting dies such as semiconductor devices, IC chips, integrated passive devices and microelectromechanical systems (MEMS), to external circuitry with solder bumps that have been deposited onto the chip pads. T... |
SE scale | SE scale is a designation used by some modellers to describe miniature (model) trains which run on either Gauge 1 (45 mm or 1.772 in) track or O gauge (32 mm or 1.26 in) track. In SE scale, 7/8 of an inch equals one foot, which is a ratio of 1:13.7. On 45 mm (1.772 in) gauge track this represents real life narrow gauge... |
Kerstin Perez | Kerstin Perez is an Associate Professor of Particle Physics at the Massachusetts Institute of Technology. She is interested in physics beyond the standard model. She leads the silicon detector program for the General AntiParticle Spectrometer (GAPS) and the high-energy X-ray analysis community for the NuSTAR telescope ... |
Settegast | A Settegast is a standard medical x-ray projection that presents a tangential view of the patella.
To acquire such an image the patient is placed in a prone position with the knee flexed at least 90 degrees and the field of view centered on the patellofemoral joint space. |
Prelap | Prelap is a screenwriting term that means the dialogue from the next scene precedes the cut, and the beginning of the dialogue is heard in the outgoing scene. As an example: ADRIAN (V.O., PRELAP) Peter? Peter, where are you? EXT. THE WOODS – DAY Adrian is out looking for Peter. We see him wander around in the small fo... |
Ardha chandrasana | Ardha Chandrasana (Sanskrit: अर्धचन्द्रासन; IAST: ardha candrāsana) or Half Moon Pose is a standing asana in modern yoga as exercise. |
Uniformology | Uniformology is a branch of the auxiliary sciences of history which studies uniforms - especially military uniforms - through ages and civilizations. |
Fossil wood | Fossil wood, also known as fossilized tree, is wood that is preserved in the fossil record. Over time the wood will usually be the part of a plant that is best preserved (and most easily found). Fossil wood may or may not be petrified, in which case it is known as petrified wood or petrified tree. The study of fossil w... |
Vereinfachte Ausgangsschrift | The Vereinfachte Ausgangsschrift (VA, meaning "simplified written script") is a simplified form of handwriting primarily based on the Lateinische Ausgangsschrift. It was developed in 1969 and tested since 1972. The letters have been simplified and the shapes approximated the block letters. In 10 of the 16 German federa... |
Chitin: I | Chitin: I is a science fiction microgame published by Metagaming Concepts in 1977 in which bands of intelligent insects vie for resources. |
Significant figures | Significant figures (also known as the significant digits, precision or resolution) of a number in positional notation are digits in the number that are reliable and necessary to indicate the quantity of something.
If a number expressing the result of a measurement (e.g., length, pressure, volume, or mass) has more dig... |
Surgical Endoscopy | Surgical Endoscopy is a peer-reviewed medical journal published by Springer Science+Business Media. It is the official journal of the Society of American Gastrointestinal and Endoscopic Surgeons and the European Association for Endoscopic Surgery.Surgical Endoscopy covers the surgical aspects of interventional endoscop... |
Raptor code | In computer science, Raptor codes (rapid tornado; see Tornado codes) are the first known class of fountain codes with linear time encoding and decoding. They were invented by Amin Shokrollahi in 2000/2001 and were first published in 2004 as an extended abstract. Raptor codes are a significant theoretical and practical ... |
Dichlorine hexoxide | Dichlorine hexoxide is the chemical compound with the molecular formula Cl2O6, which is correct for its gaseous state. However, in liquid or solid form, this chlorine oxide ionizes into the dark red ionic compound chloryl perchlorate [ClO2]+[ClO4]−, which may be thought of as the mixed anhydride of chloric and perchlor... |
Integral sliding mode | In 1996, V. Utkin and J. Shi proposed an improved sliding control method named integral sliding mode control (ISMC). In contrast with conventional sliding mode control, the system motion under integral sliding mode has a dimension equal to that of the state space. In ISMC, the system trajectory always starts from the s... |
Empirical algorithmics | In computer science, empirical algorithmics (or experimental algorithmics) is the practice of using empirical methods to study the behavior of algorithms. The practice combines algorithm development and experimentation: algorithms are not just designed, but also implemented and tested in a variety of situations. In thi... |
LYRa11 | LYRa11 is a SARS-like coronavirus (SL-COV) which was identified in 2011 in samples of intermediate horseshoe bats in Baoshan, Yunnan, China. The genome of this virus strain is 29805nt long, and the similarity to the whole genome sequence of SARS-CoV that caused the SARS outbreak is 91%. It was published in 2014. Like S... |
Woodall number | In number theory, a Woodall number (Wn) is any natural number of the form Wn=n⋅2n−1 for some natural number n. The first few Woodall numbers are: 1, 7, 23, 63, 159, 383, 895, … (sequence A003261 in the OEIS). |
Aircraft vectoring | Aircraft vectoring is a navigation service provided to aircraft by air traffic control. The controller decides on a particular airfield traffic pattern for the aircraft to fly, composed of specific legs or vectors. The aircraft then follows this pattern when the controller instructs the pilot to fly specific headings a... |
2,5-Dimethoxy-4-butylamphetamine | 2,5-Dimethoxy-4-butylamphetamine (DOBU) is a lesser-known psychedelic drug and a substituted Amphetamine. DOBU was first synthesized by Alexander Shulgin. In his book PiHKAL (Phenethylamines i Have Known And Loved), only low dosages of 2–3 mg were tested, with the duration simply listed as "very long". DOBU produces pa... |
Genetic resources | Genetic resources are genetic material of actual or potential value, where genetic material means any material of plant, animal, microbial or other origin containing functional units of heredity.
Genetic resources is one of the three levels of biodiversity defined by the Convention on Biological Diversity in Rio, 1992. |
7-Zip | 7-Zip is a free and open-source file archiver, a utility used to place groups of files within compressed containers known as "archives". It is developed by Igor Pavlov and was first released in 1999. 7-Zip has its own archive format called 7z, but can read and write several others. The program can be used from a Windo... |
Aylin Yener | Aylin Yener holds the Roy and Lois Chope Chair in engineering at Ohio State University, and she is currently the President of the IEEE Information Theory Society. Dr. Yener is a Professor of Electrical and Computer Engineering, Professor of Integrated Systems Engineering, Professor of Computer Science and Engineering, ... |
Origamic architecture | Origamic architecture is a form of kirigami that involves the three-dimensional reproduction of architecture and monuments, on various scales, using cut-out and folded paper, usually thin paperboard. Visually, these creations are comparable to intricate 'pop-ups', indeed, some works are deliberately engineered to posse... |
Paint roller | A paint roller is a paint application tool used for painting large flat surfaces rapidly and efficiently. |
Gold fingerprinting | Gold fingerprinting is a method of identifying an item made of gold based on the impurities or trace elements it contains. |
Wheel sizing | The wheel size for a motor vehicle or similar wheel has a number of parameters. |
Supervisory program | A supervisory program or supervisor is a computer program, usually part of an operating system, that controls the execution of other routines and regulates work scheduling, input/output operations, error actions, and similar functions and regulates the flow of work in a data processing system. It can also refer to a p... |
Discrete complementary JFETS | Discrete complementary JFETs are N-channel and P-channel JFETs that are built with a similar process technology and are designed to have similar or matching electrical characteristics. Discrete complementary JFETs come in separate P and N-channel packages. Dual discrete complementary JFETS house two N-channel JFETs in ... |
Periodic inventory | Periodic inventory is a system of inventory in which updates are made on a periodic basis. This differs from perpetual inventory systems, where updates are made as seen fit. |
Peter Adriaens | Peter Adriaens is a Professor of Engineering and Entrepreneurship at the University of Michigan. He is an expert in the field of clean technology development. |
Parameter identification problem | In economics and econometrics, the parameter identification problem arises when the value of one or more parameters in an economic model cannot be determined from observable variables. It is closely related to non-identifiability in statistics and econometrics, which occurs when a statistical model has more than one se... |
Bloom (shader effect) | Bloom (sometimes referred to as light bloom or glow) is a computer graphics effect used in video games, demos, and high-dynamic-range rendering (HDRR) to reproduce an imaging artifact of real-world cameras. The effect produces fringes (or feathers) of light extending from the borders of bright areas in an image, contri... |
Ordered exponential | The ordered exponential, also called the path-ordered exponential, is a mathematical operation defined in non-commutative algebras, equivalent to the exponential of the integral in the commutative algebras. In practice the ordered exponential is used in matrix and operator algebras. |
Harwell CADET | The Harwell CADET was the first fully transistorised computer in Europe, and may have been the first fully transistorised computer in the world. |
International Journal of Cardiology | The International Journal of Cardiology is a peer-reviewed medical journal that publishes research articles about the study and management of cardiac diseases. The journal is affiliated with the International Society for Adult Congenital Cardiac Disease. |
Latin house | Latin house is an electronic dance music genre that combines house and Latin American music, such as that of Puerto Rican, Cuban, Dominican, |
Chalconoid | Chalconoids Greek: χαλκός khalkós, "copper", due to its color), also known as chalcones, are natural phenols related to chalcone. They form the central core for a variety of important biological compounds. |
Omphalitis of newborn | Omphalitis of newborn is the medical term for inflammation of the umbilical cord stump in the neonatal newborn period, most commonly attributed to a bacterial infection. Typically immediately after an infant is born, the umbilical cord is cut with a small remnant (often referred to as the stump) left behind. Normally t... |
Dissolving pulp | Dissolving pulp, also called dissolving cellulose, is bleached wood pulp or cotton linters that has a high cellulose content (> 90%). It has special properties including a high level of brightness and uniform molecular-weight distribution. This pulp is manufactured for uses that require a high chemical purity, and part... |
Japanese craft | Traditional crafts (工芸, kōgei, lit. 'engineered art') in Japan have a long tradition and history. Included in the category of traditional crafts are handicrafts produced by an individual or a group, as well as work produced by independent studio artists working with traditional craft materials and/or processes. |
Wishbone (computer bus) | The Wishbone Bus is an open source hardware computer bus intended to let the parts of an integrated circuit communicate with each other. The aim is to allow the connection of differing cores to each other inside of a chip. The Wishbone Bus is used by many designs in the OpenCores project.
Wishbone is intended as a "log... |
Frequency drift | In electrical engineering, and particularly in telecommunications, frequency drift is an unintended and generally arbitrary offset of an oscillator from its nominal frequency. Causes may include component aging, changes in temperature that alter the piezoelectric effect in a crystal oscillator, or problems with a volta... |
No-till farming | No-till farming (also known as zero tillage or direct drilling) is an agricultural technique for growing crops or pasture without disturbing the soil through tillage. No-till farming decreases the amount of soil erosion tillage causes in certain soils, especially in sandy and dry soils on sloping terrain. Other possibl... |
3D Core Graphics System | The 3D Core Graphics System (a.k.a. Core) was the very first graphical standard ever developed. A group of 25 experts of the ACM Special Interest Group SIGGRAPH developed this "conceptual framework". The specifications were published in 1977 and it became a foundation for many future developments in the field of comput... |
Mikeyy | Mikeyy is the name of a computer worm that spread approximately 10,000 automated messages ( or "tweets") across social networking and microblogging website Twitter.com in four discrete attacks "between 2 AM Saturday April 11, 2009 Pacific time and early Monday (April 14, 2009) morning" before it was "identified and del... |
Mikuni (company) | Mikuni Corporation (株式会社ミクニ, Kabushiki gaisha Mikuni) is a Japanese Automotive products manufacturing company. Their business activities is focused on carburetors, fuel injectors and other automobile and motorcycle related equipment. |
Fence (mathematics) | In mathematics, a fence, also called a zigzag poset, is a partially ordered set (poset) in which the order relations form a path with alternating orientations: a<b>c<d>e<f>h<i⋯ or a>b<c>d<e>f<h>i⋯ A fence may be finite, or it may be formed by an infinite alternating sequence extending in both directions. The incidence ... |
Urinary tract infection | A urinary tract infection (UTI) is an infection that affects part of the urinary tract. When it affects the lower urinary tract it is known as a bladder infection (cystitis) and when it affects the upper urinary tract it is known as a kidney infection (pyelonephritis). Symptoms from a lower urinary tract infection incl... |
.bss | In computer programming, the block starting symbol (abbreviated to .bss or bss) is the portion of an object file, executable, or assembly language code that contains statically allocated variables that are declared but have not been assigned a value yet. It is often referred to as the "bss section" or "bss segment". |
Easter bonnet | An Easter bonnet is any new or fancy hat worn by tradition as a Christian headcovering on Easter. It represents the tail end of a tradition of wearing new clothes at Easter, in harmony with the renewal of the year and the promise of spiritual renewal and redemption. |
Foreign exchange aggregator | A foreign exchange aggregator or FX Aggregator is a class of systems used in Forex trading to aggregate the liquidity from several liquidity providers. |
Radical 79 | Radical 79 or radical weapon (殳部) meaning "weapon" or "lance" is one of the 34 Kangxi radicals (214 radicals in total) composed of 4 strokes.
In the Kangxi Dictionary, there are 93 characters (out of 49,030) to be found under this radical.
殳 is also the 92nd indexing component in the Table of Indexing Chinese Character... |
Mild-slope equation | In fluid dynamics, the mild-slope equation describes the combined effects of diffraction and refraction for water waves propagating over bathymetry and due to lateral boundaries—like breakwaters and coastlines. It is an approximate model, deriving its name from being originally developed for wave propagation over mild ... |
Marine sanitation device | A marine sanitation device (MSD) is a piece of machinery or a mechanical system that is dedicated to treat, process, and/or store raw, untreated sewage that can accumulate onboard water vessels. It does not refer to portable devices such as portable toilets. |
Variational autoencoder | In machine learning, a variational autoencoder (VAE) is an artificial neural network architecture introduced by Diederik P. Kingma and Max Welling. It is part of the families of probabilistic graphical models and variational Bayesian methods.Variational autoencoders are often associated with the autoencoder model becau... |
Fire whirl | A fire whirl or fire devil (sometimes referred to as a fire tornado) is a whirlwind induced by a fire and often (at least partially) composed of flame or ash. These start with a whirl of wind, often made visible by smoke, and may occur when intense rising heat and turbulent wind conditions combine to form whirling eddi... |
Engagement Skills Trainer | The Engagement Skills Trainer is a simulator that provides marksmanship training and trains soldiers on virtually all aspects of firearms training from calibrating weapons, to weapons qualification, to collective fire scenarios in numerous environments. |
STK39 | STE20/SPS1-related proline-alanine-rich protein kinase is an enzyme that in humans is encoded by the STK39 gene.This gene encodes a serine/threonine kinase that is thought to function in the cellular stress response pathway. The kinase is activated in response to hypotonic stress, leading to phosphorylation of several ... |
Upington disease | Upington disease is an extremely rare autosomal dominant malformation disorder. It has only one published source claiming its existence in three generations of one family from South Africa. |
Log bucking | Bucking is the process of cutting a felled and delimbed tree into logs. Significant value can be lost by sub-optimal bucking because logs destined for plywood, lumber, and pulp each have their own value and specifications for length, diameter, and defects. Cutting from the top down is overbucking and from the bottom up... |
Meta-scheduling | Meta-scheduling or super scheduling is a computer software technique of optimizing computational workloads by combining an organization's multiple job schedulers into a single aggregated view, allowing batch jobs to be directed to the best location for execution. |
Position operator | In quantum mechanics, the position operator is the operator that corresponds to the position observable of a particle. |
Ross–Fahroo lemma | Named after I. Michael Ross and F. Fahroo, the Ross–Fahroo lemma is a fundamental result in optimal control theory.It states that dualization and discretization are, in general, non-commutative operations. The operations can be made commutative by an application of the covector mapping principle. |
Trāṭaka | Trāṭaka (Sanskrit: त्राटक "look, gaze") is a yogic purification (a shatkarma) and a tantric method of meditation that involves staring at a single point such as a small object, black dot or candle flame. |
Rose Marie Parr | Rose Marie Parr is the Chief Pharmaceutical Officer for Scotland. She is an honorary professor at both Scottish Schools of Pharmacy. |
North American Nanohertz Observatory for Gravitational Waves | The North American Nanohertz Observatory for Gravitational Waves (NANOGrav) is a consortium of astronomers who share a common goal of detecting gravitational waves via regular observations of an ensemble of millisecond pulsars using the Green Bank Telescope, Arecibo Observatory, and the Very Large Array. This project i... |
Rosenbrock function | In mathematical optimization, the Rosenbrock function is a non-convex function, introduced by Howard H. Rosenbrock in 1960, which is used as a performance test problem for optimization algorithms. It is also known as Rosenbrock's valley or Rosenbrock's banana function.
The global minimum is inside a long, narrow, parab... |
Type XXVII collagen | Type XXVII collagen is the protein predicted to be encoded by COL27A1. It was first described by Dr. James M. Pace and his colleagues at the University of Washington. It is related to the fibrillar collagens: type II, type XI, and type XXIV. Current research suggests that it is made by cartilage during skeletal develop... |
Traumatin | Traumatin is a plant hormone produced in response to wound. Traumatin is a precursor to the related hormone traumatic acid. |
Pleasure ground | In English gardening history, the pleasure ground or pleasure garden was the parts of a large garden designed for the use of the owners, as opposed to the kitchen garden and the wider park. It normally included flower gardens, typically directly outside the house, and areas of lawn, used for playing games (bowling grou... |
Duffing map | The Duffing map (also called as 'Holmes map') is a discrete-time dynamical system. It is an example of a dynamical system that exhibits chaotic behavior. The Duffing map takes a point (xn, yn) in the plane and maps it to a new point given by xn+1=yn yn+1=−bxn+ayn−yn3.
The map depends on the two constants a and b. These... |
Intrathecal administration | Intrathecal administration is a route of administration for drugs via an injection into the spinal canal, or into the subarachnoid space so that it reaches the cerebrospinal fluid (CSF) and is useful in spinal anesthesia, chemotherapy, or pain management applications. This route is also used to introduce drugs that fig... |
Education 3.0 | Education 3.0 is an umbrella term used by educational theorists to describe a variety of ways to integrate technology into learning. According to Jeff Borden, Education 3.0 entails a confluence of neuroscience, cognitive psychology, and education technology, using web-based digital and mobile technology, including apps... |
Bakelite | Bakelite ( BAY-kə-lyte), formally Polyoxybenzylmethyleneglycolanhydride, is a thermosetting phenol formaldehyde resin, formed from a condensation reaction of phenol with formaldehyde. The first plastic made from synthetic components, it was developed by the Belgian chemist and inventor Leo Baekeland in Yonkers, New Yor... |
Neutral red | Neutral red (toluylene red, Basic Red 5, or C.I. 50040) is a eurhodin dye used for staining in histology. It stains lysosomes red. It is used as a general stain in histology, as a counterstain in combination with other dyes, and for many staining methods. Together with Janus Green B, it is used to stain embryonal tissu... |
Napolitains | Neapolitans (also Napolitains or Naps) are individually wrapped square or rectangular pieces of chocolate in assorted flavours. They are often served by hotels and coffee shops (often with a cup of coffee) and when used for promotional purposes may feature packaging with personalised branding.Neapolitans are about 3 ce... |
EPH receptor A4 | EPH receptor A4 (ephrin type-A receptor 4) is a protein that in humans is encoded by the EPHA4 gene.This gene belongs to the ephrin receptor subfamily of the protein-tyrosine kinase family. EPH and EPH-related receptors have been implicated in mediating developmental events, particularly in the nervous system. Receptor... |
Paradeigma | Paradeigma (Greek: παραδειγμα) is a Greek term for a pattern, example or sample; the plural reads Paradeigmata. Its closest translation is "an isolated example by which a general rule illustrated". Limited to rhetoric, a paradeigma is used to compare the situation of the audience to a similar past event, like a parabl... |
PsycLIT | PsycLIT was a CD-ROM version of Psychological Abstracts. It was merged into the PsycINFO online database in 2000. PsycLIT contained citations and abstracts to journal articles, and summaries of English-language chapters and books in psychology, as well as behavioral information from sociology, linguistics, medicine, la... |
EEF1B2P1 | Eukaryotic translation elongation factor 1 beta 2 pseudogene 1 (eEF1B1) is a protein that in humans is encoded by the EEF1B2P1 gene. |
Arbitrary-precision arithmetic | In computer science, arbitrary-precision arithmetic, also called bignum arithmetic, multiple-precision arithmetic, or sometimes infinite-precision arithmetic, indicates that calculations are performed on numbers whose digits of precision are limited only by the available memory of the host system. This contrasts with t... |
Flood forecasting | Flood forecasting is the process of predicting the occurrence, magnitude, timing, and duration of floods in a specific area, often by analysing various hydrological, meteorological, and environmental factors. The primary goal of flood forecasting is to deliver timely and accurate information to decision-makers, empower... |
Radical 85 | Radical 85 or radical water (水部) meaning "water" is a Kangxi radical; one of 35 of the 214 that are composed of 4 strokes. Its left-hand form, 氵, is closely related to Radical 15, 冫 bīng (also known as 两点水 liǎngdiǎnshuǐ), meaning "ice", from which it differs by the addition of just one stroke.
In the Kangxi Dictionary,... |
All-pass filter | An all-pass filter is a signal processing filter that passes all frequencies equally in gain, but changes the phase relationship among various frequencies. Most types of filter reduce the amplitude (i.e. the magnitude) of the signal applied to it for some values of frequency, whereas the all-pass filter allows all freq... |
Color vision | Color vision, a feature of visual perception, is an ability to perceive differences between light composed of different frequencies independently of light intensity. Color perception is a part of the larger visual system and is mediated by a complex process between neurons that begins with differential stimulation of d... |
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