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17α-Ethynyl-3α-androstanediol | 17α-Ethynyl-3α-androstanediol (developmental code names HE-3235, Apoptone), also known as 17α-ethynyl-5α-androstane-3α,17β-diol, is a synthetic androstane steroid and a 17α-substituted derivative of 3α-androstanediol which was never marketed. It was under development for the treatment of prostate cancer but was discont... |
Macroorchidism | Macroorchidism is a disorder found in males, specifically in children, where a subject has abnormally large testes. The condition is commonly inherited in connection with fragile X syndrome (FXS), which is also the second most common genetic cause of intellectual disability. The condition is also a rare sign of the McC... |
Ovarian plexus | The ovarian plexus arises from the renal plexus, and is distributed to the ovary, and fundus of the uterus.
It is carried in the suspensory ligament of the ovary. |
Maui solar telescope protests | The Maui solar telescope protests are a series of protests and demonstrations attempting to block the construction of the Daniel K. Inouye Solar Telescope on the summit of Haleakalā in Maui, Hawaii. |
Mr. ZIP | Mr. ZIP, informally "Zippy", is a cartoon character used in the 1960s by the United States Post Office Department, and later by its successor, the United States Postal Service, to encourage the general public to include the ZIP Code in all mailings. |
Stack resource policy | The Stack Resource Policy (SRP) is a resource allocation policy used in real-time computing, used for accessing shared resources when using earliest deadline first scheduling. It was defined by T. P. Baker. SRP is not the same as the Priority ceiling protocol which is for fixed priority tasks (FP). |
Transfer line | A transfer line is a manufacturing system which consists of a predetermined sequence of machines connected by an automated material handling system and designed for working on a very small family of parts. Parts can be moved singularly because there’s no need for batching when carrying parts between process stations (a... |
Peptide PHI | Peptide PHI, also known as peptide histidine isoleucine, is a peptide which functions as a hormone. This peptide contains a composition of 27 amino acids with histidine on the N-terminus and isoleucine on the C-terminus. It was originally isolated from the mammalian small intestine amongst mammalian neurons called intr... |
Semiregular variable star | In astronomy, a semiregular variable star, a type of variable star, is a giant or supergiant of intermediate and late (cooler) spectral type showing considerable periodicity in its light changes, accompanied or sometimes interrupted by various irregularities. Periods lie in the range from 20 to more than 2000 days, whi... |
Strapwork | In the history of art and design, strapwork is the use of stylised representations in ornament of ribbon-like forms. These may loosely imitate leather straps, parchment or metal cut into elaborate shapes, with piercings, and often interwoven in a geometric pattern. In early examples there may or may not be three-dimens... |
Sorbitan monostearate | Sorbitan monostearate is an ester of sorbitan (a sorbitol derivative) and stearic acid and is sometimes referred to as a synthetic wax. |
Comparison of issue-tracking systems | Notable issue tracking systems, including bug tracking systems, help desk and service desk issue tracking systems, as well as asset management systems, include the following. The comparison includes client-server application, distributed and hosted systems. |
Sushi Ramen Riku | Sushi Ramen Riku (すしらーめん《りく》, born Riku Horiuchi, 30 May 1999 in Tokyo) is a Japanese YouTube personality who had worked for Uuum Co. His channel has over 5 million subscribers and has been awarded with the Silver and Gold YouTube Play Button. The origin of its name is due to his two favorite foods, sushi and ramen.Rik... |
Nofence | Nofence is a Norwegian company that makes GPS collars for farm animals (cattle, sheep, and goats) that discourage them from crossing virtual fences.Oscar Hovde Berntsen has been working on the idea of virtual fencing, as an alternative to fixed electric fencing, since the 1990s. Nofence was incorporated in 2011. In 201... |
Terrestrial Planet Finder | The Terrestrial Planet Finder (TPF) was a proposed project by NASA to construct a system of space telescopes for detecting extrasolar terrestrial planets. TPF was postponed several times and finally cancelled in 2011. There were two telescope systems under consideration, the TPF-I, which had several small telescopes, a... |
Argument-dependent name lookup | In the C++ programming language, argument-dependent lookup (ADL), or argument-dependent name lookup, applies to the lookup of an unqualified function name depending on the types of the arguments given to the function call. This behavior is also known as Koenig lookup, as it is often attributed to Andrew Koenig, though ... |
Fifth-week event | A fifth week event is a novelty comic book promotion.
Comic publishers schedule releases in four-week cycles, releasing on a particular day of the week (e.g., every Wednesday). In the event that a month has more than four weeks (i.e., a fifth Wednesday), publishers often sell unusual comics to fill in the scheduling ga... |
Certified Video Engineer | Certified Video Engineer (CEV) is a title granted to an individual that successfully meets the experience and examination requirements of the certification. The certification is regulated by the Society of Broadcast Engineers. The CEV title is protected by copyright laws. Individuals who use the title without consent f... |
Acedianthrone | Acedianthrone is an octacyclic relative of anthraquinone that is used as a pigment. It is produced from anthrone by condensation with glyoxal followed by dehydrogenation. |
Eyeline match | An eyeline match is a film editing technique associated with the continuity editing system. It is based on the premise that an audience will want to see what the character on-screen is seeing. An eyeline match begins with a character looking at something off-screen, followed by a cut of another object or person: for ex... |
Jason's cradle | A Jason's cradle is a maritime rescue device. The device is similar to a scramble net made of cloth webbing. It can be suspended over a rail, but it has stiffener batts which make it easier to climb. It can take the form of a hammock or stretcher for the rescue of weakened or injured people when the "top" and "bottom" ... |
Plant perception (physiology) | Plant perception is the ability of plants to sense and respond to the environment by adjusting their morphology and physiology. Botanical research has revealed that plants are capable of reacting to a broad range of stimuli, including chemicals, gravity, light, moisture, infections, temperature, oxygen and carbon dioxi... |
Studio manager | Studio manager, studio director, or studio head is a job title in various media-related professions, including design, advertising, and broadcasting. |
Vibration-proof hitch | The vibration-proof hitch is a knot used for fastening a line or rope to a solid object. This particular hitch is designed to tighten when subjected to vibration and functions best when the object is fairly large compared to the diameter of the rope. Knot expert Geoffrey Budworth credits the knot to Amory Bloch Lovins. |
Flow measurement | Flow measurement is the quantification of bulk fluid movement. Flow can be measured using devices called flowmeters in various ways. The common types of flowmeters with industrial applications are listed below: Obstruction type (differential pressure or variable area) Inferential (turbine type) Electromagnetic Positive... |
Optimized Systems Software | Optimized Systems Software (OSS) was a company that produced disk operating systems, programming languages with integrated development environments, and applications primarily for the Atari 8-bit family of home computers. OSS was best known for their enhanced versions of Atari DOS (OS A+, then DOS XL), Atari BASIC (fir... |
Selenide iodide | The selenide iodides are chemical compounds that contain both selenide ions (Se2−) and iodide ions (I−) and one or metal atoms. They are in the class of mixed anion compounds or chalcogenide halides.Some related compounds do not actually contain a selenide ion, instead containing an iodoselenium cation. These cations i... |
HIV tropism | HIV tropism refers to the cell type in which the human immunodeficiency virus (HIV) infects and replicates. HIV tropism of a patient's virus is measured by the Trofile assay.
HIV can infect a variety of cells such as CD4+ helper T-cells and macrophages that express the CD4 molecule on their surface. HIV-1 entry to macr... |
Harmonic and Individual Lines and Noise | Harmonic and Individual Lines and Noise (HILN) is a parametric codec for audio. The basic premise of the encoder is that most audio, and particularly speech, can be synthesized from only sinusoids and noise. The encoder describes individual sinusoids with amplitude and frequency, harmonic tones by fundamental frequency... |
L-AP4 | L-AP4 (L-2-amino-4-phosphonobutyric acid) is a drug used in scientific research, which acts as a group-selective agonist for the group III metabotropic glutamate receptors (mGluR4/6/7/8). It was the first ligand found to act as an agonist selective for this group of mGlu receptors, but does not show selectivity between... |
Sartorite | Sartorite is a lead arsenic sulfide with the chemical formula PbAs2S4 and as type locality the Lengenbach Quarry in Legenbach, Binnental, Valais, Switzerland. Historically, sartorite has been thought isomorphic to chalcostibite, emplectite, and zinckenite, but was definitively distinguished from the others in 1939. |
Single-wing formation | In American and Canadian football, a single-wing formation was a precursor to the modern spread or shotgun formation. The term usually connotes formations in which the snap is tossed rather than handed—formations with one wingback and a handed snap are commonly called "wing T" or "winged T".
Created by Glenn "Pop" Warn... |
Tissue stress | Tissue stress (tissue adaptive syndrome) is an unspecific adaptive reaction universal for all tissues of adult organism which forms in tissue as a response to various external influences. The latter are tissue cells’ damage, overload of their specialized functions or regulatory influences. |
Backtracking | Backtracking is a class of algorithms for finding solutions to some computational problems, notably constraint satisfaction problems, that incrementally builds candidates to the solutions, and abandons a candidate ("backtracks") as soon as it determines that the candidate cannot possibly be completed to a valid solutio... |
Adjunction space | In mathematics, an adjunction space (or attaching space) is a common construction in topology where one topological space is attached or "glued" onto another. Specifically, let X and Y be topological spaces, and let A be a subspace of Y. Let f : A → X be a continuous map (called the attaching map). One forms the adjunc... |
Notification system | In information technology, a notification system is a combination of software and hardware that provides a means of delivering a message to a set of recipients. It commonly shows activity related to an account. Such systems constitute an important aspect of modern Web applications.For example, a notification system can... |
Telephone keypad | A telephone keypad is a keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number. It was standardized when the dual-tone multi-frequency signaling (DTMF) system was developed in the Bell System in the United States in the 1960s that replaced rotary dialing originall... |
Totarol | Totarol is a naturally produced diterpene that is bioactive as totarol. It was first isolated by McDowell and Easterfield from the heartwood of Podocarpus totara, a conifer tree found in New Zealand. Podocarpus totara was investigated for unique molecules due to the tree's increased resistance to rotting. Recent studie... |
Anisopoikilocytosis | Anisopoikilocytosis is a medical condition illustrated by a variance in size (anisocytosis) and shape (poikilocytosis) of a red blood cell. The underlying cause can be attributed to various anemias, most often; beta thalassemia major, a form of microcytic anemia. In β thalassemia major the beta hemoglobin chain is comp... |
Magneto | A magneto is an electrical generator that uses permanent magnets to produce periodic pulses of alternating current. Unlike a dynamo, a magneto does not contain a commutator to produce direct current. It is categorized as a form of alternator, although it is usually considered distinct from most other alternators, which... |
Telemark (waltz) | The Telemark is a ballroom dance step; in waltz competition, it is in the Silver syllabus. Telemarks are reverse turns where the follower (the lady) does a heel turn as the leader (the man) travels around her. There are similar Telemarks in foxtrot and quickstep.The term Telemark is borrowed from skiing, in which a tur... |
Voltage droop | Voltage droop is the intentional loss in output voltage from a device as it drives a load. Adding droop in a voltage regulation circuit increases the headroom for load transients.
All electrical systems have some amount of resistance between the regulator output and the load. At high currents, even a small resistance r... |
Twease | Twease is an open source biomedical web search engine which searches MEDLINE. |
Etch pit density | The etch pit density (EPD) is a measure for the quality of semiconductor wafers. |
Estimation lemma | In mathematics the estimation lemma, also known as the ML inequality, gives an upper bound for a contour integral. If f is a complex-valued, continuous function on the contour Γ and if its absolute value |f (z)| is bounded by a constant M for all z on Γ, then |∫Γf(z)dz|≤Ml(Γ), where l(Γ) is the arc length of Γ. In part... |
Blackface | Blackface is a form of theatrical makeup used predominantly by non-black people to portray a caricature of a black person. |
Tetraphenylborate | Tetraphenylborate (IUPAC name: Tetraphenylboranuide) is an organoboron anion consisting of a central boron atom with four phenyl groups. Salts of tetraphenylborate uncouple oxidative phosphorylation. |
4-Phenyl-1,2,4-triazole-3,5-dione | 4-Phenyl-1,2,4-triazoline-3,5-dione (PTAD) is an azodicarbonyl compound. PTAD is one of the strongest dienophiles and reacts rapidly with dienes in Diels-Alder reactions. The most prominent use of PTAD was the first synthesis of prismane in 1973. |
ORC5 | Origin recognition complex subunit 5 is a protein that in humans is encoded by the ORC5 (ORC5L) gene. |
Modesty in medical settings | Modesty in medical settings refers to the practices and equipment used to preserve patient modesty in medical examination and clinics. |
EDXL Sharp | EDXL Sharp is a C# / .NET 3.5 implementation of the OASIS Emergency Data Exchange Language (EDXL) family of standards.
The purpose of these libraries is to allow developers to: Parse EDXL Messages from a string or underlying stream Programmatically create EDXL messages Validate EDXL Messages to the schema Validate that... |
MIPModDB | MIPModDB is a database of comparative protein structure models of MIP (Major intrinsic proteins) family of proteins. |
RIPK3 | Receptor-interacting serine/threonine-protein kinase 3 is an enzyme that is encoded by the RIPK3 gene in humans.The product of this gene is a member of the receptor-interacting protein (RIP) family of serine/threonine protein kinases. It contains a C-terminal domain unique from other RIP family members. The encoded pro... |
Hippocampal replay | Hippocampal replay is a phenomenon observed in rats, mice, cats, rabbits, songbirds and monkeys. |
Ballpark | A ballpark, or baseball park, is a type of sports venue where baseball is played. The playing field is divided into the infield, an area whose dimensions are rigidly defined, and the outfield, where dimensions can vary widely from place to place. A larger ballpark may also be called a baseball stadium because it shares... |
TAF6 | Transcription initiation factor TFIID subunit 6 is a protein that in humans is encoded by the TAF6 gene. |
Go-go | Go-go is a subgenre of funk music with an emphasis on specific rhythmic patterns, and live audience call and response. |
Parseval's identity | In mathematical analysis, Parseval's identity, named after Marc-Antoine Parseval, is a fundamental result on the summability of the Fourier series of a function. Geometrically, it is a generalized Pythagorean theorem for inner-product spaces (which can have an uncountable infinity of basis vectors).
Informally, the ide... |
Defense Visual Information Distribution Service | The Defense Visual Information Distribution Service (DVIDS), formerly the Defense Video & Imagery Distribution System, is an operation supported by the Defense Media Activity (DMA). It provides a connection between world media and the American military personnel serving at home and abroad. It supports all branches of t... |
Cry room | A cry room or crying room is a space designed for people to take babies or small children for privacy or to reduce the disturbance of others. Started in the 1950s, they are usually found in churches, theatres, and cinemas. In some venues, they are called "infant care rooms". Cry rooms are often designed with soundproof... |
Microfluidics in chemical biology | Microfluidics in chemical biology is the application of microfluidics in the study of chemical biology. |
Weighted-knuckle glove | Weighted-knuckle gloves, also called sap gloves, are a type of weapon used in hand to hand combat. They consist of a pair of ordinary looking gloves usually made of leather or a synthetic material, with powdered lead or steel sewn into a special pouch covering the knuckles, and often the backs of the fingers and the ba... |
Mensch Computer | The Mensch Computer is a personal computer system produced by the Western Design Center (WDC). It is based on the WDC 65C265 microcontroller, which implements the instruction sets of two microprocessors: the 16-bit W65C816/65816, and the 8-bit 6502. The computer is named after Bill Mensch, designer of the 6502 and subs... |
Microbial inoculant | Microbial inoculants also known as soil inoculants or bioinoculants are agricultural amendments that use beneficial rhizosphericic or endophytic microbes to promote plant health. Many of the microbes involved form symbiotic relationships with the target crops where both parties benefit (mutualism). While microbial inoc... |
Small nucleolar RNA J26 | In molecular biology, the Small nucleolar RNA J26 is a non-coding RNA (ncRNA) molecule identified in rice (Oryza sativa) which functions in the modification of other small nuclear RNAs (snRNAs). This type of modifying RNA is usually located in the nucleolus of the eukaryotic cell which is a major site of snRNA biogenes... |
B3GAT1 | 3-beta-glucuronosyltransferase 1 (B3GAT1) is an enzyme that in humans is encoded by the B3GAT1 gene, whose enzymatic activity creates the CD57 epitope on other cell surface proteins. In immunology, the CD57 antigen (CD stands for cluster of differentiation) is also known as HNK1 (human natural killer-1) or LEU7. It is ... |
XTEA | In cryptography, XTEA (eXtended TEA) is a block cipher designed to correct weaknesses in TEA. The cipher's designers were David Wheeler and Roger Needham of the Cambridge Computer Laboratory, and the algorithm was presented in an unpublished technical report in 1997 (Needham and Wheeler, 1997). It is not subject to any... |
Ethnoecology | Ethnoecology is the scientific study of how different groups of people living in different locations understand the ecosystems around them, and their relationships with surrounding environments. |
Gland of Zeis | Glands of Zeis are unilobar sebaceous glands located on the margin of the eyelid. The glands of Zeis service the eyelash. These glands produce an oily substance that is issued through the excretory ducts of the sebaceous lobule into the middle portion of the hair follicle. In the same area of the eyelid, near the base ... |
Rota's conjecture | Rota's excluded minors conjecture is one of a number of conjectures made by mathematician Gian-Carlo Rota. It is considered to be an important problem by some members of the structural combinatorics community. Rota conjectured in 1971 that, for every finite field, the family of matroids that can be represented over tha... |
Channel bank | In telecommunications, a channel bank is a device that performs multiplexing or demultiplexing ("demux") of a group of communications channels, such as analog or digital telephone lines, into one channel of higher bandwidth or higher digital bit rate, such as a DS-1 (T1) circuit, so that all the channels can be sent si... |
Kono Aozora ni Yakusoku o | Kono Aozora ni Yakusoku o (この青空に約束を―, "The Promise I made over this Blue Sky") is a Japanese adult visual novel produced by Giga, originally released on March 31, 2006. The game was ported to the PlayStation 2 in 2007, the PlayStation Portable in 2009, and the PlayStation Vita in 2015 came with additional content altho... |
Esophageal varices | Esophageal varices are extremely dilated sub-mucosal veins in the lower third of the esophagus. They are most often a consequence of portal hypertension, commonly due to cirrhosis. People with esophageal varices have a strong tendency to develop severe bleeding which left untreated can be fatal. Esophageal varices are ... |
Tilidine | Tilidine, Leart or tilidate (brand names: Tilidin, Valoron, Tetova, Hitleart and Valtran) is a synthetic opioid painkiller, used mainly in Belgium, Bulgaria, Germany, Luxembourg, South Africa and Switzerland for the treatment of moderate to severe pain, both acute and chronic. Its onset of pain relief after oral admini... |
Hash-based cryptography | Hash-based cryptography is the generic term for constructions of cryptographic primitives based on the security of hash functions. It is of interest as a type of post-quantum cryptography. |
Lune (geometry) | In plane geometry, a lune (from Latin luna 'moon') is the concave-convex region bounded by two circular arcs. It has one boundary portion for which the connecting segment of any two nearby points moves outside the region and another boundary portion for which the connecting segment of any two nearby points lies entirel... |
Sustained Spheromak Physics Experiment | The Sustained Spheromak Physics Experiment (SSPX) is a program at Lawrence Livermore National Laboratory in the United States established to investigate spheromak plasma.A spheromak device produces a plasma in magnetohydrodynamic equilibrium mainly through self-induced plasma currents, as opposed to a tokamak device wh... |
Brontes Technologies | Brontes Technologies, Inc. was a startup company that produced a digital dental impression system brought to market by 3M as The Lava Chairside Oral Scanner C.O.S. The Lava C.O.S. provides a powerful connection and improved productivity for a doctor and their dental lab thereby enabling the needed input to mass customi... |
Neo-minimalism | Neo-minimalism is an amorphous art movement of the late 20th and early 21st centuries. It has alternatively been called Neo-Geometric or "Neo-Geo" art. Other terms include: Neo-Conceptualism, Neo-Futurism, Neo-Op, Neo-pop, New Abstraction, Poptometry, Post-Abstractionism, and Smart Art. |
Zeigarnik effect | Named after Lithuanian-Soviet psychologist Bluma Zeigarnik, in psychology the Zeigarnik effect occurs when an activity that has been interrupted may be more readily recalled. It postulates that people remember unfinished or interrupted tasks better than completed tasks. In Gestalt psychology, the Zeigarnik effect has b... |
IBM Lotus Symphony | IBM Lotus Symphony is a discontinued suite of applications for creating, editing, and sharing text, spreadsheet, presentations, and other documents and browsing the World Wide Web. It was first distributed as commercial proprietary software, then as freeware, before IBM contributed the suite to the Apache Software Foun... |
Ambipolar diffusion | Ambipolar diffusion (ambipolar: relating to or consisting of both electrons and positive ions moving in opposite directions) is diffusion of positive and negative species with opposite electrical charge due to their interaction via an electric field. In the case of ionic crystals, the fluxes of the diffusing species ar... |
JCB Dieselmax | The JCB Dieselmax is a streamliner car designed for the purpose of breaking the land speed record for a diesel-engined vehicle.
The car was built for JCB, a British multinational equipment company. As of 2018, the car holds the world diesel-powered land speed record, having been driven to over 350 miles per hour (560 k... |
Luhn mod N algorithm | The Luhn mod N algorithm is an extension to the Luhn algorithm (also known as mod 10 algorithm) that allows it to work with sequences of values in any even-numbered base. This can be useful when a check digit is required to validate an identification string composed of letters, a combination of letters and digits or an... |
Satralizumab | Satralizumab, sold under the brand name Enspryng, is a humanized monoclonal antibody medication that is used for the treatment of neuromyelitis optica spectrum disorder (NMOSD), a rare autoimmune disease. The drug is being developed by Chugai Pharmaceutical, a subsidiary of Roche.The most common side effects include th... |
Leica X2 | The Leica X2 is a digital large sensor compact camera announced by Leica Camera on 10 May 2012. It is the successor of the Leica X1, and improves on the earlier model with a higher resolution sensor, improved autofocus and an optionally available electronic viewfinder for easier use in bright light.On 16 September 2014... |
Vascular disease | Vascular disease is a class of diseases of the vessels of the circulatory system in the body, including blood vessels – the arteries and veins, and the lymphatic vessels. Vascular disease is a subgroup of cardiovascular disease. Disorders in this vast network of blood and lymph vessels can cause a range of health probl... |
Sagittal sulcus | The sagittal sulcus is a midline groove that runs across the internal surfaces of part of the squamous part of the frontal bone, the parietal bones, and part of the occipital bones. The sagittal sulcus accommodates the superior sagittal sinus. The falx cerebri attaches to the edge of the sagittal sulcus on either side.... |
Skeeter syndrome | Skeeter syndrome (papular urticaria) is a localized severe allergic reaction to mosquito bites, consisting of inflammation, peeling skin, hives, ulceration and sometimes fever. It is caused by allergenic polypeptides in mosquito saliva, and therefore is not contagious. It is one of several forms, being one of the most ... |
Suit jacket | A suit jacket, also called a lounge jacket, lounge coat or suit coat, is a jacket in classic menswear that is part of a suit. |
Craniodiaphyseal dysplasia | Craniodiaphyseal dysplasia (CDD), also known as lionitis, is an extremely rare autosomal recessive bone disorder that causes calcium to build up in the skull, disfiguring the facial features and reducing life expectancy.
These calcium deposits decrease the size of cranial foramina, and can decrease the circumference of... |
Clipper chip | The Clipper chip was a chipset that was developed and promoted by the United States National Security Agency (NSA) as an encryption device that secured "voice and data messages" with a built-in backdoor that was intended to "allow Federal, State, and local law enforcement officials the ability to decode intercepted voi... |
Phytomenadione | Phytomenadione, also known as vitamin K1 or phylloquinone, is a vitamin found in food and used as a dietary supplement. It is on the World Health Organization's List of Essential Medicines.As a supplement it is used to treat certain bleeding disorders. This includes warfarin overdose, vitamin K deficiency, and obstruct... |
Stable isotope ratio | The term stable isotope has a meaning similar to stable nuclide, but is preferably used when speaking of nuclides of a specific element. Hence, the plural form stable isotopes usually refers to isotopes of the same element. The relative abundance of such stable isotopes can be measured experimentally (isotope analysis)... |
Adversary (comics) | The Adversary is a fictional character, a demonic supervillain appearing in American comic books published by Marvel Comics. |
APMonitor | Advanced process monitor (APMonitor) is a modeling language for differential algebraic (DAE) equations. It is a free web-service or local server for solving representations of physical systems in the form of implicit DAE models. APMonitor is suited for large-scale problems and solves linear programming, integer program... |
Tetrahydroharman | Tetrahydroharman(e), also known as 1-methyl-1,2,3,4-tetrahydro-β-carboline, is a general name for one of two isomers: (1S)-1-methyl-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole Calligonine ((1R)-1-methyl-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole)Calligonine is a major alkaloid constituent of the roots of Calligonum minimu... |
Yoke (aeronautics) | A yoke, alternatively known as a control wheel or a control column, is a device used for piloting some fixed-wing aircraft.The pilot uses the yoke to control the attitude of the plane, usually in both pitch and roll. Rotating the control wheel controls the ailerons and the roll axis. Fore and aft movement of the contro... |
XL-413 | XL-413 is a drug which acts as a selective inhibitor of the enzyme cell division cycle 7-related protein kinase (CDC7). It is being researched for the treatment of some forms of cancer, and also has applications in genetic engineering. |
Superfluidity | Superfluidity is the characteristic property of a fluid with zero viscosity which therefore flows without any loss of kinetic energy. When stirred, a superfluid forms vortices that continue to rotate indefinitely. Superfluidity occurs in two isotopes of helium (helium-3 and helium-4) when they are liquefied by cooling ... |
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