source
stringlengths
1
149
text
stringlengths
18
204k
Toxalbumin
Toxalbumins are toxic plant proteins that disable ribosomes and thereby inhibit protein synthesis, producing severe cytotoxic effects in multiple organ systems. They are dimers held together by a disulfide bond and comprise a lectin (carbohydrate-binding protein) part which binds to the cell membrane and enables the to...
Virtual POS
A Virtual POS (Point of Sale) is typically a web or windows application that can be used by card-accepting merchants to manually authorize card transactions. Most Payment Services Providers offer this type of functionality.
Einstein radius
The Einstein radius is the radius of an Einstein ring, and is a characteristic angle for gravitational lensing in general, as typical distances between images in gravitational lensing are of the order of the Einstein radius.
Engineering Heritage Awards
The Engineering Heritage Awards, formally known as the Engineering Heritage Hallmark Scheme, were established by the Institution of Mechanical Engineers (IMechE) in 1984 to identify and promote artefacts, locations, collections and landmarks of significant engineering importance.
Synthonia
Synthonia is short for Synthetic Ammonia, a product produced by chemical company I.C.I. ICI produced this product at one of its many plants in Billingham in the 20th century. Many local facilities took on the name due to sponsorship from this local firm including Billingham Synthonia F.C., Cricket Club and Synthonia Sc...
Trumpet voluntary
A trumpet voluntary is a voluntary – a musical composition for the organ – played using the trumpet stop. Trumpet voluntaries are associated with the English Baroque era and usually consist of a slow introduction followed by a faster section with the right hand playing fanfare-like figures over a simple accompaniment i...
Power-over-fiber
Power-over-fiber, or PoF, is a technology in which a fiber optic cable carries optical power, which is used as an energy source rather than, or as well as, carrying data. This allows a device to be remotely powered, while providing electrical isolation between the device and the power supply. Such systems can be used t...
IRF9
Interferon regulatory factor 9 is a protein that in humans is encoded by the IRF9 gene, previously known as ISGF3G.
Interpunct
An interpunct ⟨·⟩, also known as an interpoint, middle dot, middot, centered dot or centred dot, is a punctuation mark consisting of a vertically centered dot used for interword separation in Classical Latin. (Word-separating spaces did not appear until some time between 600 and 800 CE.) It appears in a variety of uses...
Apolipoprotein B deficiency
Apolipoprotein B deficiency is an autosomal dominant disorder resulting from a missense mutation which reduces the affinity of apoB-100 for the low-density lipoprotein receptor (LDL Receptor). This causes impairments in LDL catabolism, resulting in increased levels of low-density lipoprotein in the blood. The clinical ...
Supramolecular chirality
In chemistry, the term supramolecular chirality is used to describe supramolecular assemblies that are non-superposable on their mirror images. Chirality in supramolecular chemistry implies the non-symmetric arrangement of molecular components in a non-covalent assembly. Chirality may arise in a supramolecular system i...
Hate (video games)
Hate (also threat, aggro, or enmity) is a mechanism used in many MMORPGs, as well as in some RPGs, by which mobs (enemies controlled by the system) prioritize which characters to attack. The player who generates the most hate on a mob will be preferentially attacked by that mob. The act of initiating such situation is ...
Modal frame
A modal frame in music is "a number of types permeating and unifying African, European, and American song" and melody. It may also be called a melodic mode. "Mode" and "frame" are used interchangeably in this context without reference to scalar or rhythmic modes. Melodic modes define and generate melodies that are not ...
Spline interpolation
In the mathematical field of numerical analysis, spline interpolation is a form of interpolation where the interpolant is a special type of piecewise polynomial called a spline. That is, instead of fitting a single, high-degree polynomial to all of the values at once, spline interpolation fits low-degree polynomials to...
The Journal of Defense Modeling and Simulation
The Journal of Defense Modeling and Simulation is a quarterly peer-reviewed academic journal that covers the field of engineering, especially modeling and simulation as it relates to the military and defense. The editor-in-chief is Jerry M. Couretas (Lockheed Martin Corporation). It was established in 2004 and is curre...
Oracle TopLink
Oracle TopLink is a mapping and persistence framework for Java developers. TopLink is produced by Oracle and is a part of Oracle's OracleAS, WebLogic, and OC4J servers. It is an object-persistence and object-transformation framework. TopLink provides development tools and run-time functionalities that ease the developm...
Graffiti 2
"Graffiti 2 Powered by Jot" was introduced in 2003 as a revised version of the original Palm OS handwriting system Graffiti. In January 2003, PalmSource announced the change explaining that Graffiti 2 was based on Jot by Communication Intelligence Corporation (CIC) and would replace the original version of Graffiti. Gr...
Heptaprenyl diphosphate synthase
In enzymology, a heptaprenyl diphosphate synthase (EC 2.5.1.30) is an enzyme that catalyzes the chemical reaction (2E,6E)-farnesyl diphosphate + 4 isopentenyl diphosphate ⇌ 4 diphosphate + all-trans-heptaprenyl diphosphateThus, the two substrates of this enzyme are (2E,6E)-farnesyl diphosphate and isopentenyl diphosph...
Sauvignon blanc
Sauvignon blanc is a green-skinned grape variety that originates from the city of Bordeaux in France. The grape most likely gets its name from the French words sauvage ("wild") and blanc ("white") due to its early origins as an indigenous grape in South West France. It is possibly a descendant of Savagnin. Sauvignon bl...
Radiofrequency coil
Radiofrequency coils (RF coils) are the receivers, and sometimes also the transmitters, of radiofrequency (RF) signals in equipment used in magnetic resonance imaging (MRI).
New York City Subway nomenclature
New York City Subway nomenclature is the terminology used in the New York City Subway system as derived from railroading practice, historical origins of the system, and engineering, publicity, and legal usage. Important terms include lines, or individual sections of subway, like the BMT Brighton Line; services, like th...
Gravitational wave background
The gravitational wave background (also GWB and stochastic background) is a random background of gravitational waves permeating the Universe, which is detectable by gravitational-wave experiments, like pulsar timing arrays. The signal may be intrinsically random, like from stochastic processes in the early Universe, or...
Katydid sequence
The Katydid sequence is a sequence of numbers first defined in Clifford A. Pickover's book Wonders of Numbers (2001).
Rover Scout
Rover Scouts, Rovers, Rover Scouting or Rovering is a program associated with some Scouting organizations for adult men and women. A group of Rovers is called a 'Rover Crew'. Rovers was originated by The Boy Scouts Association in the United Kingdom in 1918 to provide a program for young men who had grown up beyond the ...
Social ontology
Social ontology is a domain-specific branch of ontology, the philosophical study of being and existence, which studies the nature and properties of the social world. Social ontology deals with examining the various entities in the world arising from social interaction.Notable contemporary philosophers who study social ...
Methylnitronitrosoguanidine
Methylnitronitrosoguanidine (MNNG or MNG, NTG when referred to colloquially as nitrosoguanidine) is a biochemical tool used experimentally as a carcinogen and mutagen. It acts by adding alkyl groups to the O6 of guanine and O4 of thymine, which can lead to transition mutations between GC and AT. These changes do not ca...
Gibbon ape leukemia virus
Gibbon-ape leukemia virus (GaLV) is an oncogenic, type C retrovirus that has been isolated from primate neoplasms, including the white-handed gibbon and woolly monkey. The virus was identified as the etiological agent of hematopoietic neoplasms, leukemias, and immune deficiencies within gibbons in 1971, during the epid...
Hybrid wood
Hybrid wood or wood hybrid systems (WHS) is a multilayer composite material, composed on the surface of a skin made of composite wood (WPC) adhering to an underneath structural core, in general aluminum. Invented in Japan in 2008, this technological evolution is based on wood composite technology which was conceived in...
Toyota Limo
The Toyota Limo is an automobile offered by Toyota in Southeast Asian markets designed for taxicab use, primarily in Indonesia, Philippines, Thailand and Vietnam. It is a robust low cost, low maintenance variant designed specifically for taxi fleet, with longer service intervals that may be yearly or every 100,000 kilo...
Scenario paintball
Scenario paintball is a colloquialism used to represent a diverse array of paintball events that encompass many themes that may include historical re-enactments, movies, current pop culture, futuristic or video game simulations, and more. Others have no theme at all. They frequently feature game mechanics such as "medi...
Global Genes
Global Genes is a global non-profit advocacy organization for individuals and families fighting rare and genetic diseases. The organization is associated with a blue denim "Genes Ribbon" that is intended to raise awareness of patients affected by rare and genetic diseases. Global Genes uses a simple concept of "jeans a...
P-Modeling Framework
P-Modeling Framework is a package of guidelines, methods, tools and templates for the development process improvement. P-Modeling framework can be integrated into any other SDLC in use, e.g., MSF Agile, MSF CMMI, RUP, etc.
Apolipoprotein E
Apolipoprotein E (Apo-E) is a protein involved in the metabolism of fats in the body of mammals. A subtype is implicated in the Alzheimer's disease and cardiovascular diseases. It is encoded in humans by the gene APOE.
Novelogue
A novelogue is a story told almost exclusively through dialogue. Character descriptions, and settings are minimally provided.
Castle Death
Castle Death is the seventh book in the Lone Wolf book series created by Joe Dever.
Lazy systematic unit testing
Lazy Systematic Unit Testing is a software unit testing method based on the two notions of lazy specification, the ability to infer the evolving specification of a unit on-the-fly by dynamic analysis, and systematic testing, the ability to explore and test the unit's state space exhaustively to bounded depths. A testin...
How now brown cow
"How now brown cow" () is a phrase used in elocution teaching to demonstrate rounded vowel sounds. Each "ow" in the phrase represents the diphthong /aʊ/. English orthography also uses the homophonic spelling "ou" to represent this diphthong in words like "noun" and "cloud". The use of the phrase "how now brown cow" in ...
Pan pizza
Pan pizza is a pizza baked in a deep dish pan or sheet pan. Italian tomato pie, Sicilian pizza, Chicago-style pizza and Detroit-style pizza may be considered forms of pan pizza. Pan pizza also refers to the thick style popularized by Pizza Hut in the 1960s. The bottoms and sides of the crust become fried and crispy in ...
Modigliani–Miller theorem
The Modigliani–Miller theorem (of Franco Modigliani, Merton Miller) is an influential element of economic theory; it forms the basis for modern thinking on capital structure. The basic theorem states that in the absence of taxes, bankruptcy costs, agency costs, and asymmetric information, and in an efficient market, th...
1,3,5-Trinitrobenzene
1,3,5-Trinitrobenzene is an organic compound with the formula C6H3(NO2)3. It is one of three trinitrated benzene-derivatives. A pale yellow solid, the compound is highly explosive.
Phenomenalism
In metaphysics, phenomenalism is the view that physical objects cannot justifiably be said to exist in themselves, but only as perceptual phenomena or sensory stimuli (e.g. redness, hardness, softness, sweetness, etc.) situated in time and in space. In particular, some forms of phenomenalism reduce all talk about physi...
Chelates in animal nutrition
Chelates in animal feed is jargon for metalloorganic compounds added to animal feed. The compounds provide sources of various metals that improve the health or marketability of the animal. Typical metals salts are derived from cobalt, copper, iron, manganese, and zinc. The objective of supplementation with trace minera...
Minkowski Portal Refinement
The Minkowski Portal Refinement collision detection algorithm is a technique for determining whether two convex shapes overlap. The algorithm was created by Gary Snethen in 2006 and was first published in Game Programming Gems 7. The algorithm was used in Tomb Raider: Underworld and other games created by Crystal Dynam...
Dissociation (rhetoric)
Dissociation is a rhetorical device in which the speaker separates a notion considered by the audience to form a unitary concept into two new notions.Kathryn Olson, Director of the Rhetorical Leadership Program at the University of Wisconsin-Milwaukee, explains that by doing this, the speaker fundamentally changes the ...
Flash Element TD
Flash Element TD is a Flash-based tower defense browser game created by American developer David Scott and launched in January 2007. The game had been played over 140 million times as of March 2009.
Itruvone
Itruvone (INN; developmental code name PH10), also known as pregn-4-en-20-yn-3-one, is a vomeropherine which is under development by VistaGen Therapeutics as a nasal spray for the treatment of major depressive disorder.
FMRFamide
FMRFamide (H-Phe-Met-Arg-Phe-NH2) is a neuropeptide from a broad family of FMRFamide-related peptides (FaRPs) all sharing an -RFamide sequence at their C-terminus. First identified in Hard clam (Mercenaria mercenaria), it is thought to play an important role in cardiac activity regulation. Several FMRFamide related pep...
Isotopes of rutherfordium
Rutherfordium (104Rf) is a synthetic element and thus has no stable isotopes. A standard atomic weight cannot be given. The first isotope to be synthesized was either 259Rf in 1966 or 257Rf in 1969. There are 16 known radioisotopes from 253Rf to 270Rf (3 of which, 266Rf, 268Rf, and 270Rf, are unconfirmed) and several i...
Tunicamycin
Tunicamycin is a mixture of homologous nucleoside antibiotics that inhibits the UDP-HexNAc: polyprenol-P HexNAc-1-P family of enzymes. In eukaryotes, this includes the enzyme GlcNAc phosphotransferase (GPT), which catalyzes the transfer of N-acetylglucosamine-1-phosphate from UDP-N-acetylglucosamine to dolichol phospha...
GeForce 500 series
A refresh of the Fermi based GeForce 400 series, the GeForce 500 series is a series of graphics processing units developed by Nvidia, first released on November 9, 2010 with the GeForce GTX 580. Its direct competitor was AMD's Radeon HD 6000 Series; they were launched approximately a month apart.
Nevus lipomatosus superficialis
Nevus lipomatosus (cutaneous) superficialis (NLS or NLCS, also known as "Nevus lipomatosis of Hoffman and Zurhelle") is characterized by soft, yellowish papules or cerebriform plaques, usually of the buttock or thigh, less often of the ear or scalp, with a wrinkled rather than warty surface.: 625  It is usually congeni...
Deterministic context-free language
In formal language theory, deterministic context-free languages (DCFL) are a proper subset of context-free languages. They are the context-free languages that can be accepted by a deterministic pushdown automaton. DCFLs are always unambiguous, meaning that they admit an unambiguous grammar. There are non-deterministic ...
Maritime drug trafficking in Latin America
Maritime drug trafficking in Latin America is the primary mean of transportation of illegal drugs produced in this region to global consumer markets. Cocaine is the primary illegal drug smuggled through maritime routes because all of its cultivation and production is settled in the Andean region of South America.The sm...
Nicholson Guides
The Nicholson Guides are a set of books originally published by Robert Nicholson Publications, then jointly by Bartholomew and the Ordnance Survey, and now by HarperCollins, as guides to the navigable and un-navigable waterways of England and Wales (and, more recently, Scotland).
Lauricella's theorem
In the theory of orthogonal functions, Lauricella's theorem provides a condition for checking the closure of a set of orthogonal functions, namely: Theorem. A necessary and sufficient condition that a normal orthogonal set {uk} be closed is that the formal series for each function of a known closed normal orthogonal s...
Buchsbaum ring
In mathematics, Buchsbaum rings are Noetherian local rings such that every system of parameters is a weak sequence. A sequence (a1,⋯,ar) of the maximal ideal m is called a weak sequence if m⋅((a1,⋯,ai−1):ai)⊂(a1,⋯,ai−1) for all i They were introduced by Jürgen Stückrad and Wolfgang Vogel (1973) and are named after ...
One-pocket
One-pocket is a pool game. Only one pocket for each player is used in this game, unlike other games played on a pool table where any pocket can be used to score object balls. The object of the game is to score points. A point is made when a player pockets any object ball into their designated pocket. The winner is the ...
Introduction to evolution
In biology, evolution is the process of change in all forms of life over generations, and evolutionary biology is the study of how evolution occurs. Biological populations evolve through genetic changes that correspond to changes in the organisms' observable traits. Genetic changes include mutations, which are caused b...
Strut channel
Strut channel, often referred to colloquially by one of several manufacturer trade names, is a standardized formed structural system used in the construction and electrical industries for light structural support, often for supporting wiring, plumbing, or mechanical components such as air conditioning or ventilation sy...
Blautia obeum
Blautia obeum is a species of anaerobic, gram-positive bacteria found in the gut.It has been shown that B. obeum along with other relevant taxa play an important role both in the recovery process from Vibrio cholerae infection and microbiota maturation in children. Moreover, experiments in model mice show that B. obeum...
Parity measurement
Parity measurement (also referred to as Operator measurement) is a procedure in Quantum information science used for error detection in quantum qubits. A parity measurement checks the equality of two qubits to return a true or false answer, which can be used to determine whether a correction needs to occur. Additional ...
Mepolizumab
Mepolizumab, sold under the brand name Nucala, is a humanized monoclonal antibody used for the treatment of severe eosinophilic asthma, eosinophilic granulomatosis, and hypereosinophilic syndrome (HES). It recognizes and blocks interleukin-5 (IL-5), a signalling protein of the immune system. The most common side effect...
Recoil pad
A recoil pad is a piece of rubber, foam, leather, or other soft material usually attached to the buttstock of a rifle or shotgun. Recoil pads may also be worn around the shoulder with straps, placing the soft material between the buttstock and the shoulder of the person firing the gun. The purpose of this device is to ...
DPM2
Dolichol phosphate-mannose biosynthesis regulatory protein is a protein that in humans is encoded by the DPM2 gene.
Set Theory: An Introduction to Independence Proofs
Set Theory: An Introduction to Independence Proofs is a textbook and reference work in set theory by Kenneth Kunen. It starts from basic notions, including the ZFC axioms, and quickly develops combinatorial notions such as trees, Suslin's problem, ◊, and Martin's axiom. It develops some basic model theory (rather speci...
DNA-formamidopyrimidine glycosylase
DNA-formamidopyrimidine glycosylase (EC 3.2.2.23, Fapy-DNA glycosylase, deoxyribonucleate glycosidase, 2,6-diamino-4-hydroxy-5N-formamidopyrimidine-DNA glycosylase, 2,6-diamino-4-hydroxy-5(N-methyl)formamidopyrimidine-DNA glycosylase, formamidopyrimidine-DNA glycosylase, DNA-formamidopyrimidine glycosidase, Fpg protein...
Capture the flag
Capture the flag (CTF) is a traditional outdoor sport where two or more teams each have a flag (or other markers) and the objective is to capture the other team's flag, located at the team's "base" (or hidden or even buried somewhere in the territory), and bring it safely back to their own base. Enemy players can be "t...
Multirotor
A multirotor or multicopter is a rotorcraft with more than two lift-generating rotors. An advantage of multirotor aircraft is the simpler rotor mechanics required for flight control. Unlike single- and double-rotor helicopters which use complex variable pitch rotors whose pitch varies as the blade rotates for flight st...
Monster chess
Monster chess—or Super King chess—is a chess variant in which the White side has only a king and four pawns to fight against all the pieces of the Black side. All the rules of chess apply, except that White makes two successive moves per turn. The white king can move into check on the first move of the turn and move ou...
Letterpress printing
Letterpress printing is a technique of relief printing for producing many copies by repeated direct impression of an inked, raised surface against individual sheets of paper or a continuous roll of paper. A worker composes and locks movable type into the "bed" or "chase" of a press, inks it, and presses paper against i...
Silver sand
Silver sand is a fine white sand used in gardening. It consists largely of quartz particles that are not coated with iron oxides. Iron oxides colour sand from yellows to rich browns. Silver sand is also used as a constituent of mortar for laying light coloured pavers.
Silent Circle Instant Messaging Protocol
The Silent Circle Instant Message Protocol (SCIMP) was an encryption scheme that was developed by Vincent Moscaritolo of Silent Circle. It enabled private conversation over instant message transports such as XMPP (Jabber).SCIMP provided encryption, perfect forward secrecy and message authentication. It also handled neg...
Black armband
In Western culture, a black armband signifies that the wearer is in mourning or wishes to identify with the commemoration of a family member, friend, comrade or team member who has died. This use is particularly common in the first meeting following the loss of a member. In sport, especially association football, crick...
Builder pattern
The builder pattern is a design pattern designed to provide a flexible solution to various object creation problems in object-oriented programming. The intent of the builder design pattern is to separate the construction of a complex object from its representation. It is one of the Gang of Four design patterns.
Ascorbyl glucoside
Ascorbyl glucoside (AA-2G) is an ascorbic acid derivative that contains at least one glycosyl group. Ascorbyl glucoside is commonly used in cosmetic products to administer vitamin C topically. Ascorbyl glucoside exhibits superior stability and penetration ability compared to ascorbyl phosphate salts, but the rate of it...
Proliferating angioendotheliomatosis
Proliferating Angioendotheliomatosis has historically been divided into two groups, (1) a reactive, involuting type and (2) a malignant, rapidly fatal type.: 598 The reactive involuting type, reactive Angioendotheliomatosis is an rare cutaneous condition characterized histologically by a dense proliferation of small ca...
ATM card
An ATM card is a dedicated payment card card issued by a financial institution (i.e. a bank) which enables a customer to access their financial accounts via its and others' automated teller machines (ATMs) and, in some countries, to make approved point of purchase retail transactions. ATM cards are not credit cards or ...
MILNET
In computer networking, MILNET (fully Military Network) was the name given to the part of the ARPANET internetwork designated for unclassified United States Department of Defense traffic.MILNET was physically separated from the ARPANET in 1983. The ARPANET remained in service for the academic research community, but di...
ZCCHC2
Zinc finger CCHC domain-containing protein 2 is a protein that in humans is encoded by the ZCCHC2 gene.
3-Methylfuran
3-Methylfuran is an organic compound with the formula C5H6O. It is formed from the gas-phase reaction of hydroxyl radical with isoprene.In mice, it is toxic by inhalation.
The Oxford Companion to Wine
The Oxford Companion to Wine (OCW) is a book in the series of Oxford Companions published by Oxford University Press. The book provides an alphabetically arranged reference to wine, compiled and edited by Jancis Robinson, with contributions by several wine writers including Hugh Johnson, Michael Broadbent, and James Ha...
Control and indicating equipment
Control and indicating equipment is equipment for receiving, processing, controlling, indicating and initiating the onward transmission of information as used in fire alarm systems. The fire detection and fire alarm system subcommittee of ISO/TC 21, Equipment for Fire Protection and Fire Fighting, had oversight for dev...
Climate of Paris
Paris has a typical oceanic climate (Köppen climate classification: Cfb) which is affected by the North Atlantic Current. The overall climate throughout the year is mild and moderately wet. Summer days are usually warm and pleasant with average temperatures between 15 and 25 °C (59 and 77 °F), and a fair amount of suns...
Backup battery
A backup battery provides power to a system when the primary source of power is unavailable. Backup batteries range from small single cells to retain clock time and date in computers, up to large battery room facilities that power uninterruptible power supply systems for large data centers. Small backup batteries may b...
Trapezoidal thread form
Trapezoidal thread forms are screw thread profiles with trapezoidal outlines. They are the most common forms used for leadscrews (power screws). They offer high strength and ease of manufacture. They are typically found where large loads are required, as in a vise or the leadscrew of a lathe. Standardized variations in...
Identification of trees of the northeastern United States
Regional floras typically contain complete dichotomous keys for identification of trees and other plants to species (e.g. Manual of vascular plants of northeastern United States and adjacent Canada by Henry A. Gleason and Arthur Cronquist). The following guide originates from Our Native Trees and How to Identify Them b...
22° halo
A 22° halo is an atmospheric optical phenomenon that consists of a halo with an apparent radius of approximately 22° around the Sun or Moon. When visible around the Moon, it is also known as a moon ring, storm ring, or winter halo. It forms as sunlight or moonlight is refracted by millions of hexagonal ice crystals sus...
Ekman spiral
The oceanic, wind driven Ekman spiral is the result of a force balance created by a shear stress force, Coriolis force and the water drag. This force balance gives a resulting current of the water different from the winds. In the ocean, there are two places where the Ekman spiral can be observed. At the surface of the ...
Surface features of Venus
The surface of Venus is dominated by geologic features that include volcanoes, large impact craters, and aeolian erosion and sedimentation landforms. Venus has a topography reflecting its single, strong crustal plate, with a unimodal elevation distribution (over 90% of the surface lies within an elevation of -1.0 and 2...
Aptronym
An aptronym, aptonym, or euonym is a personal name aptly or peculiarly suited to its owner.
Dual-Stage 4-Grid
The Dual-Stage 4-Grid (DS4G) is an electrostatic ion thruster design developed by the European Space Agency, in collaboration with the Australian National University. The design was derived by D. Fern from Controlled Thermonuclear Reactor experiments that use a 4-grid mechanism to accelerate ion beams.
Generic polynomial
In mathematics, a generic polynomial refers usually to a polynomial whose coefficients are indeterminates. For example, if a, b, and c are indeterminates, the generic polynomial of degree two in x is ax2+bx+c.
Nitrosyl-O-hydroxide
Nitrosyl-O-hydroxide (molecular formula HOON) is an isomer of nitrous acid, which has been experimentally observed in the gas phase. HOON contains the longest oxygen-oxygen bond thus far observed in any known molecule, measured to be 1.9149 angstroms. There had been speculation about the existence of this molecule, and...
M-SG reducing agent
In M-SG an alkali metal is absorbed into silica gel at elevated temperatures. The resulting black powder material is an effective reducing agent and safe to handle as opposed to the pure metal. The material can also be used as a desiccant and as a hydrogen source.
Host (Unix)
host is a simple utility for performing Domain Name System lookups.
Program Files
Program Files is the directory name of a standard folder in Microsoft Windows operating systems in which applications that are not part of the operating system are conventionally installed. Typically, each application installed under the 'Program Files' directory will have a subdirectory for its application-specific re...
Fibrocystic breast changes
Fibrocystic breast changes is a condition of the breasts where there may be pain, breast cysts, and breast masses. The breasts may be described as "lumpy" or "doughy". Symptoms may worsen during certain parts of the menstrual cycle due to hormonal stimulation. These are normal breast changes, not associated with cancer...
Bilobalide
Bilobalide is a biologically active terpenic trilactone present in Ginkgo biloba.
Stop motion
Stop motion is an animated filmmaking technique in which objects are physically manipulated in small increments between individually photographed frames so that they will appear to exhibit independent motion or change when the series of frames is played back. Any kind of object can thus be animated, but puppets with mo...
Interleaved 2 of 5
Interleaved 2 of 5 (ITF) is a continuous two-width barcode symbology encoding digits. It is used commercially on 135 film, for ITF-14 barcodes, and on cartons of some products, while the products inside are labeled with UPC or EAN.