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Open implementation | In computing, open implementation platforms are systems where the implementation is accessible. Open implementation allows developers of a program to alter pieces of the underlying software to fit their specific needs. With this technique it is far easier to write general tools, though it makes the programs themselves ... |
Jacobi eigenvalue algorithm | In numerical linear algebra, the Jacobi eigenvalue algorithm is an iterative method for the calculation of the eigenvalues and eigenvectors of a real symmetric matrix (a process known as diagonalization). It is named after Carl Gustav Jacob Jacobi, who first proposed the method in 1846, but only became widely used in t... |
Gambling mathematics | The mathematics of gambling is a collection of probability applications encountered in games of chance and can get included in game theory. From a mathematical point of view, the games of chance are experiments generating various types of aleatory events, and it is possible to calculate by using the properties of proba... |
Consequent | A consequent is the second half of a hypothetical proposition. In the standard form of such a proposition, it is the part that follows "then". In an implication, if P implies Q, then P is called the antecedent and Q is called the consequent. In some contexts, the consequent is called the apodosis.Examples: If P , then... |
Acoustic lobing | Acoustic lobing refers to the radiation pattern of a combination of two or more loudspeaker drivers at a certain frequency, as seen looking at the speaker from its side. In most multi-way speakers, it is at the crossover frequency that the effects of lobing are of greatest concern, since this determines how well the sp... |
AWPP (complexity) | In theoretical computer science, almost wide probabilistic polynomial-time (AWPP) is a complexity class contained in PP defined via GapP functions. The class often arises in the context of quantum computing.
AWPP contains the complexity class BQP (bounded-error quantum polynomial time), which contains the decision prob... |
14-Hydroxydihydrocodeine | 14-Hydroxydihydrocodeine (RAM-318) is an opiate analgesic drug, which is also an active metabolite of oxycodone and hydromorphinol. 14-Hydroxydihydrocodeine is not currently marketed in any developed country, but has been of interest to pharmaceutical companies looking for new analgesics and antitussives. |
Material nonimplication | Material nonimplication or abjunction (Latin ab = "away", junctio= "to join") is the negation of material implication. That is to say that for any two propositions P and Q , the material nonimplication from P to Q is true if and only if the negation of the material implication from P to Q is true. This is more na... |
Metal-induced gap states | In bulk semiconductor band structure calculations, it is assumed that the crystal lattice (which features a periodic potential due to the atomic structure) of the material is infinite. When the finite size of a crystal is taken into account, the wavefunctions of electrons are altered and states that are forbidden withi... |
Wide outside lane | A wide outside lane (WOL) or wide curb lane (WCL) is an outermost lane of a roadway that is wide enough to be safely shared side by side by a bicycle and a wider motor vehicle at the same time. The terms are used by cyclists and bicycle transportation planners in the United States. Generally, the minimum-width standard... |
Marcatili's method | Marcatili’s method is an approximate analytical method that describes how light propagates through rectangular dielectric optical waveguides . It was published by Enrique Marcatili in 1969.Optical dielectric waveguides guide electromagnetic waves in the optical spectrum (light). This type of waveguide consists of diele... |
Chapel Hill Consensus Conference | The Chapel Hill Consensus Conferences (CHCC) (1994 and 2012) are a pair of international conferences which addressed the need of standardized classification system for systemic vasculitides. |
Ekpyrosis | Stoic physics refers to the natural philosophy of the Stoic philosophers of ancient Greece and Rome which they used to explain the natural processes at work in the universe. |
Jungle tourism | Jungle tourism is a subcategory of adventure travel defined by active multifaceted physical means of travel in the jungle regions of the earth. Although similar in many respects to adventure travel, jungle tourism pertains specifically to the context of region, culture and activity. According to the Glossary of Tourism... |
Method (music) | In music, a method is a kind of textbook for a specified musical instrument or a selected problem of playing a certain instrument. |
Editio princeps | In classical scholarship, the editio princeps (plural: editiones principes) of a work is the first printed edition of the work, that previously had existed only in manuscripts. These had to be copied by hand in order to circulate. For example, the editio princeps of Homer is that of Demetrius Chalcondyles, now thought... |
Teichoic acid | Teichoic acids (cf. Greek τεῖχος, teīkhos, "wall", to be specific a fortification wall, as opposed to τοῖχος, toīkhos, a regular wall) are bacterial copolymers of glycerol phosphate or ribitol phosphate and carbohydrates linked via phosphodiester bonds. |
Chromosome 6 open reading frame 203 | Chromosome 6 open reading frame 203 is a protein that in humans is encoded by the C6orf203 gene.
C6orf203 protein is reported to be localised to the mitochondria of eukaryotes and possess an evolutionarily conserved RNA-binding domain.One study propose C6orf203 to associate with mitochondrial RNA polymerase (POLRMT) an... |
Brazilian draughts | Brazilian draughts (or Brazilian Checkers) is a variant of the strategy board game draughts. Brazilian Checkers follows the same rules and conventions as International draughts, the only differences are the smaller gameboard (8×8 squares instead of 10×10), and fewer checkers per player (12 instead of 20). |
RBCG30 | rBCG30 (recombinant Bacillus Calmette-Guérin 30) is a prospective vaccine against tuberculosis created by a team headed by Marcus A. Horwitz at UCLA. It is a live vaccine, consisting of BCG genetically modified to produce abundant amounts of a 30kDa antigen (Antigen 85B) that has been shown to produce a strong immune r... |
Formate dehydrogenase (cytochrome-c-553) | In enzymology, a formate dehydrogenase (cytochrome-c-553) (EC 1.2.2.3) is an enzyme that catalyzes the chemical reaction formate + ferricytochrome c-553 ⇌ CO2 + ferrocytochrome c-553Thus, the two substrates of this enzyme are formate and ferricytochrome c-553, whereas its two products are CO2 and ferrocytochrome c-553... |
Dental pulp test | Dental pulpal testing is a clinical and diagnostic aid used in dentistry to help establish the health of the dental pulp within the pulp chamber and root canals of a tooth. Such investigations are important in aiding dentists in devising a treatment plan for the tooth being tested.
There are two major types of dental p... |
Pascal MicroEngine | Pascal MicroEngine is a series of microcomputer products manufactured by Western Digital from 1979 through the mid-1980s, designed specifically to run the UCSD p-System efficiently. Compared to other microcomputers, which use a machine language p-code interpreter, the Pascal MicroEngine has its interpreter implemented ... |
FBX | FBX (Filmbox) is a proprietary file format (.fbx) developed by Kaydara and owned by Autodesk since 2006. It is used to provide interoperability between digital content creation applications. FBX is also part of Autodesk Gameware, a series of video game middleware. |
DHPS | Deoxyhypusine synthase is an enzyme that in humans is encoded by the DHPS gene.The unusual amino acid hypusine is formed posttranslationally and is only found in a single cellular protein, eukaryotic translation initiation factor 5A (EIF5A, EIF5A2). In the first step of hypusine biosynthesis, deoxyhypusine synthase cat... |
Immuni | Immuni was an open-source COVID-19 contact tracing app used for digital contact tracing in Italy, dismissed on 31 December, 2022, after a long and debated criticism for having been a failure due to the lack of trust placed by citizens. Immuni COVID-19 contact-tracing app had in fact been downloaded only by 12% of Itali... |
Structure (journal) | Structure is a monthly peer-reviewed scientific journal established in September 1993 by Wayne Hendrickson, Carl-Ivar Brändén, and Alan R. Fersht. It focuses on structural biology, studies of macromolecular structure, and related issues. In early 1999, the journal merged with Folding & Design and the name changed to St... |
Memory forensics | Memory forensics is forensic analysis of a computer's memory dump. Its primary application is investigation of advanced computer attacks which are stealthy enough to avoid leaving data on the computer's hard drive. Consequently, the memory (RAM) must be analyzed for forensic information. |
Baby Pop | Baby Pop (ベイビーポップ, Beibii Poppu) is a shōjo manga series created by Yayoi Ogawa. It is licensed in French by Kurokawa. |
Anti-smooth muscle antibody | Anti-smooth muscle antibodies are antibodies (immunoglobulins) formed against smooth muscle. These antibodies are typically associated with autoimmune hepatitis.These antibodies can be directed against actin, troponin, and tropomyosin. |
Connective spectrum | In algebraic topology, a branch of mathematics, a connective spectrum is a spectrum whose homotopy sets πk of negative degrees are zero. |
Irish Jasper | Irish Jasper is an American thoroughbred racehorse who has eight wins, including multiple graded stakes races. |
Exoenzyme | An exoenzyme, or extracellular enzyme, is an enzyme that is secreted by a cell and functions outside that cell. Exoenzymes are produced by both prokaryotic and eukaryotic cells and have been shown to be a crucial component of many biological processes. Most often these enzymes are involved in the breakdown of larger ma... |
Drug reaction with eosinophilia and systemic symptoms | Drug rash with eosinophilia and systemic symptoms or drug reaction with eosinophilia and systemic symptoms (DRESS), also termed drug-induced hypersensitivity syndrome (DIHS), is a rare reaction to certain medications. It involves primarily a widespread skin rash, fever, swollen lymph nodes, and characteristic blood abn... |
Tensiometer (soil science) | A tensiometer in soil science is a measuring instrument used to determine the matric water potential ( Ψm ) (soil moisture tension) in the vadose zone. This device typically consists of a glass or plastic tube with a porous ceramic cup and is filled with water. The top of the tube has either a built-in vacuum gauge or ... |
Programming Language Design and Implementation | Programming Language Design and Implementation (PLDI) is an academic conference in computer science, in particular in the study of programming languages and compilers. PLDI is organized by the Association for Computing Machinery under the SIGPLAN interest group. |
Carrier interferometry | Carrier Interferometry (CI) is a spread spectrum scheme designed to be used in an Orthogonal Frequency-Division Multiplexing (OFDM) communication system for multiplexing and multiple access, enabling the system to support multiple users at the same time over the same frequency band. |
Spirale | Spirale is a French government programme to develop an early warning system which will use infrared satellite imagery to detect the flights of ballistic missiles during their boost phase, just after launch. SPIRALE is an acronym which stands for "Système Préparatoire Infra-Rouge pour l’ALErte", literally "infrared prep... |
Symmetric fair cake-cutting | Symmetric fair cake-cutting is a variant of the fair cake-cutting problem, in which fairness is applied not only to the final outcome, but also to the assignment of roles in the division procedure. |
FDU-PB-22 | FDU-PB-22 is a derivative of JWH-018 that is presumed to be a potent agonist of the CB1 receptor, and has been sold online as a designer drug. |
Modern furniture | Modern furniture refers to furniture produced from the late 19th century through the present that is influenced by modernism. Post-World War II ideals of cutting excess, commodification, and practicality of materials in design heavily influenced the aesthetic of the furniture. It was a tremendous departure from all fur... |
Slipstream genre | The slipstream genre is a term denoting forms of speculative fiction that blends together science fiction, fantasy, and literary fiction or do not remain in conventional boundaries of genre and narrative, directly extending from the experimentation of the New Wave science fiction movement while also borrowing from fant... |
Functional derivative | In the calculus of variations, a field of mathematical analysis, the functional derivative (or variational derivative) relates a change in a functional (a functional in this sense is a function that acts on functions) to a change in a function on which the functional depends. |
Foxing | Foxing is an age-related process of deterioration that causes spots and browning on old paper documents such as books, postage stamps, old paper money and certificates. The name may derive from the fox-like reddish-brown color of the stains, or the rust chemical ferric oxide which may be involved. Paper so affected is ... |
Follicle (anatomy) | A follicle is a small, spherical or vase-like group of cells enclosing a cavity in which some other structure grows or other material is contained. Thyroid follicles make up the thyroid gland. Follicles are best known as the sockets from which hairs grow in humans and other mammals, but the bristles of annelid worms al... |
PCP site 2 | PCP site 2 is a binding site that was identified as a high-affinity target for phencyclidine (PCP), an anesthetic and dissociative hallucinogen that acts primarily as an NMDA receptor antagonist. The site is distinct from the PCP binding site on the NMDA receptor (otherwise known as PCP site 1) and the common/main site... |
Subcritical reactor | A subcritical reactor is a nuclear fission reactor concept that produces fission without achieving criticality. Instead of sustaining a chain reaction, a subcritical reactor uses additional neutrons from an outside source. There are two general classes of such devices. One uses neutrons provided by a nuclear fusion mac... |
Flurbiprofen | Flurbiprofen is a member of the phenylalkanoic acid derivative family of nonsteroidal anti-inflammatory drugs (NSAIDs). It is primarily indicated as a pre-operative anti-miotic (in an ophthalmic solution) as well as orally for arthritis or dental pain. Side effects are analogous to those of ibuprofen.It was derived fro... |
Spoiled child | A spoiled child or spoiled brat is a derogatory term aimed at children who exhibit behavioral problems from being overindulged by their parents or other caregivers. Children and teens who are perceived as spoiled may be described as "overindulged", "grandiose", "narcissistic" or "egocentric-regressed". When the child h... |
Hopscotch hashing | Hopscotch hashing is a scheme in computer programming for resolving hash collisions of values of hash functions in a table using open addressing. It is also well suited for implementing a concurrent hash table. Hopscotch hashing was introduced by Maurice Herlihy, Nir Shavit and Moran Tzafrir in 2008. The name is derive... |
Tower of Guns | Tower of Guns is a roguelike single-player first-person shooter video game developed by Terrible Posture Games. It features levels that are randomly created from a pool of possible elements, making each playthrough unique.The game was officially released on March 4, 2014 to generally positive reviews. |
Barbershop arranging | Barbershop arranging is the art of creating arrangements of barbershop music. The Barbershop Harmony Society (BHS) and Sweet Adelines International (SAI) have prescribed rules that dictate what is an acceptable arrangement, particularly with regard to singing in competition. This makes barbershop arranging a specialist... |
IMA Journal of Mathematical Control and Information | The IMA Journal of Mathematical Control and Information is published by Oxford University Press on behalf of the Institute of Mathematics and its Applications. The Journal publishes articles in control and information theory which aim to develop solutions for unsolved problems in the field. |
Intrahepatic cholestasis of pregnancy | Intrahepatic cholestasis of pregnancy (ICP), also known as obstetric cholestasis, cholestasis of pregnancy, jaundice of pregnancy, and prurigo gravidarum, is a medical condition in which cholestasis occurs during pregnancy. It typically presents with itching and can lead to complications for both mother and baby. |
Social information architecture | Social information architecture, also known as social iA, is a sub-domain of information architecture which deals with the social aspects of conceptualizing, modeling and organizing information. It has become more relevant because of the rise of social media and Web 2.0 in recent times. |
Atrolysin C | Atrolysin C (EC 3.4.24.42, Crotalus atrox metalloendopeptidase c, hemorrhagic toxin c and d) is an enzyme. This enzyme catalyses the following chemical reaction Cleavage of His5-Leu, His10-Leu, Ala14-Leu, Tyr16-Leu and Gly23-Phe bonds in B chain of insulin. With small molecule substrates prefers hydrophobic residue at ... |
Guillotine | A guillotine is an apparatus designed for efficiently carrying out executions by beheading. The device consists of a tall, upright frame with a weighted and angled blade suspended at the top. The condemned person is secured with a pillory at the bottom of the frame, holding the position of the neck directly below the b... |
Gifar | In computing, a polyglot is a computer program or script (or other file) written in a valid form of multiple programming languages or file formats. The name was coined by analogy to multilingualism. A polyglot file is composed by combining syntax from two or more different formats. When the file formats are to be compi... |
NAD(P)H dehydrogenase (quinone 1) | NAD(P)H dehydrogenase [quinone] 1 is an enzyme that in humans is encoded by the NQO1 gene. This protein-coding gene is a member of the NAD(P)H dehydrogenase (quinone) family and encodes a 2-electron reductase (enzyme). This FAD-binding protein forms homodimers and performs two-electron reduction of quinones to hydroqui... |
Tooth ablation | Tooth ablation (also known as tooth evulsion, dental evulsion and tooth extraction) is the deliberate removal of a person's healthy teeth, and has been recorded in a variety of ancient and modern societies around the world. This type of dental modification is visually very striking and immediately obvious to other peop... |
Chi-squared test | A chi-squared test (also chi-square or χ2 test) is a statistical hypothesis test used in the analysis of contingency tables when the sample sizes are large. In simpler terms, this test is primarily used to examine whether two categorical variables (two dimensions of the contingency table) are independent in influencing... |
Ham sandwich theorem | In mathematical measure theory, for every positive integer n the ham sandwich theorem states that given n measurable "objects" in n-dimensional Euclidean space, it is possible to divide each one of them in half (with respect to their measure, e.g. volume) with a single (n − 1)-dimensional hyperplane. This is even possi... |
Height above ground level | In aviation, atmospheric sciences and broadcasting, a height above ground level (AGL or HAGL) is a height measured with respect to the underlying ground surface. This is as opposed to height above mean sea level (AMSL or HAMSL), height above ellipsoid (HAE, as reported by a GPS receiver), or height above average terrai... |
Mixed acid fermentation | In biochemistry, mixed acid fermentation is the metabolic process by which a six-carbon sugar (e.g. glucose, C6H12O6) is converted into a complex and variable mixture of acids. It is an anaerobic (non-oxygen-requiring) fermentation reaction that is common in bacteria. It is characteristic for members of the Enterobacte... |
Roundhouse kick | A roundhouse kick (also known as round kick or turning kick) is a kick in which the practitioner lifts the knee while turning the supporting foot and body in a semicircular motion, extending the leg striking with the lower part of the shin and/or the instep (top of the foot). The ball of the foot can also be used to st... |
Munged password | In computing, the term munge means to attempt to create a strong, secure password through character substitution. "Munge" is sometimes backronymmed as Modify Until Not Guessed Easily. The usage differs significantly from Mung (Mash Until No Good), because munging implies destruction of data, while mungeing implies crea... |
International Clinical Trials Registry Platform | The International Clinical Trials Registry Platform (ICTRP) is a platform for the registration of clinical trials operated by the World Health Organization.The ICTRP combines data from multiple cooperating clinical trials registries to generate a global view of clinical trials worldwide, with a search portal that allow... |
Collins oxidation | The Collins oxidation is an organic reaction for the oxidation of primary alcohols to aldehydes. It is distinguished from other chromium oxide-based oxidations by the use of Collins reagent, a complex of chromium(VI) oxide with pyridine in dichloromethane. |
Hexyl aminolevulinate hydrochloride | Hexaminolevulinate, sold under the brand names Cysview and Hexvix, is an imaging agent that lights up under blue light during a blue light cystoscopy. It is used to help detect non-muscle invasive bladder cancer (NMIBC), in particular papillary tumors and carcinoma in situ (CIS).
It made by Photocure ASA, a Norwegian p... |
SEL1L | Protein sel-1 homolog 1 is a protein that in humans is encoded by the SEL1L gene. |
Usage perspective development | Usage perspective development, UPD, describes a procedure from human factors and ergonomics, which analyses and integrates the user requirements already at the beginning of the development process and thus uses them to develop innovative socio-technical solutions. To accomplish this, the user needs are identified along... |
Serial analysis of gene expression | Serial Analysis of Gene Expression (SAGE) is a transcriptomic technique used by molecular biologists to produce a snapshot of the messenger RNA population in a sample of interest in the form of small tags that correspond to fragments of those transcripts. Several variants have been developed since, most notably a more ... |
Dental stop | In phonetics and phonology, a dental stop is a type of consonantal sound, made with the tongue in contact with the upper teeth (hence dental), held tightly enough to block the passage of air (hence a stop consonant).Dental and alveolar stops are often conflated. Acoustically, the two types of sounds are similar, and it... |
Tightness of measures | In mathematics, tightness is a concept in measure theory. The intuitive idea is that a given collection of measures does not "escape to infinity". |
Aircraft Deicing Fluid | In ground deicing of aircraft, aircraft deicing fluid (ADF), aircraft deicer and anti-icer fluid (ADAF) or aircraft anti-icing fluid (AAF) are commonly used for both commercial and general aviation. Environmental concerns include increased salinity of groundwater where de-icing fluids are discharged into soil, and toxi... |
Logarithm | In mathematics, the logarithm is the inverse function to exponentiation. That means that the logarithm of a number x to the base b is the exponent to which b must be raised to produce x. For example, since 1000 = 103, the logarithm base 10 of 1000 is 3, or log10 (1000) = 3. The logarithm of x to base b is denoted as lo... |
Surgical neck of the humerus | The surgical neck of the humerus is a bony constriction at the proximal end of shaft of humerus. It is situated distal to the greater tubercle and lesser tubercle, and proximal to the deltoid tuberosity. |
Proximal gradient method | Proximal gradient methods are a generalized form of projection used to solve non-differentiable convex optimization problems. Many interesting problems can be formulated as convex optimization problems of the form min x∈RN∑i=1nfi(x) where fi:RN→R,i=1,…,n are possibly non-differentiable convex functions. The lack of ... |
Pole (surveying) | In surveying, a pole is bar made of wood or metal and normally held vertical, upon which different instruments can be mounted: a prism, a GPS device, etc. It may be manufactured with a predetermined length (e.g., 2 meters) or may be graduated for different heights or stages.
Technology advances have introduced tilt-com... |
Routine flaring | Routine flaring, also known as production flaring, is a method and current practice of disposing of large unwanted amounts of associated petroleum gas (APG) during crude oil extraction. The gas is first separated from the liquids and solids downstream of the wellhead, then released into a flare stack and combusted into... |
Journal of Molecular Evolution | The Journal of Molecular Evolution is a monthly peer-reviewed scientific journal that covers molecular evolution. It is published by Springer Science+Business Media and was established in 1971. The founding editor was Emile Zuckerkandl, who remained editor-in-chief until the late 1990s. In 1994, the journal became asso... |
YPEL3 | Yippee-like 3 (Drosophila) is a protein that in humans is encoded by the YPEL3 gene. YPEL3 has growth inhibitory effects in normal and tumor cell lines. One of five family members (YPEL1-5), YPEL3 was named in reference to its Drosophila melanogaster orthologue. Initially discovered in a gene expression profiling assay... |
16K resolution | 16K resolution is a display resolution with approximately 16,000 pixels horizontally. The most commonly discussed 16K resolution is 15360 × 8640, which doubles the pixel count of 8K UHD in each dimension, for a total of four times as many pixels. This resolution has 132.7 megapixels, 16 times as many pixels as 4K resol... |
Flour sack fabric | Feed sack dresses, flour sack dresses, or feedsack dresses were a common article of clothing in rural US and Canadian communities from the late 19th century through the mid 20th century. They were made at home, usually by women, using the cotton sacks in which flour, sugar, animal feed, seeds, and other commodities wer... |
Pico hydro | Pico hydro is a term used for hydroelectric power generation of under 5 kW. These generators have proven to be useful in small, remote communities that require only a small amount of electricity – for example, to power one or two fluorescent light bulbs and a TV or radio in 50 or so homes. Even smaller turbines of 200–... |
Light reflectance value | In architecture, light reflectance value (LRV), is a measure of visible and usable light that is reflected from a surface when illuminated by a light source. The measurement is most commonly used by design professionals, such as architectural color consultants, architects, environmental graphic designers and interior d... |
Iodothyronine deiodinase | Iodothyronine deiodinases (EC 1.21.99.4 and EC 1.21.99.3) are a subfamily of deiodinase enzymes important in the activation and deactivation of thyroid hormones. Thyroxine (T4), the precursor of 3,5,3'-triiodothyronine (T3) is transformed into T3 by deiodinase activity. T3, through binding a nuclear thyroid hormone rec... |
Scavenger receptor (endocrinology) | Scavenger receptors in endocrinology are inactive membrane receptors which bind certain hormones such as IGF-1 and do not transmit an intracellular response. |
Archive bit | The archive bit is a file attribute used by CP/M, Microsoft operating systems, OS/2, and AmigaOS. It is used to indicate whether or not the file has been backed up (archived). |
Cycling in Auckland | Cycling in Auckland is a mode of transport which has historically had high levels of modal share in Auckland, New Zealand, like in most cities in New Zealand. However, the dominance of the car in the city, the negative attitudes of car drivers and general changes in transport patterns had made it a very marginal transp... |
New school (tattoo) | New school is a tattooing style originating as early as the 1970s and influenced by some features of old school tattooing in the United States. The style is often characterized by the use of heavy outlines, vivid colors, and exaggerated depictions of the subject. New school also represents a transition towards openness... |
Activation function | Activation function of a node in an artificial neural network is a function that calculates the output of the node (based on its inputs and the weights on individual inputs). Nontrivial problems can be solved only using a nonlinear activation function. Modern activation functions include the smooth version of the ReLU,... |
Cunningham chain | In mathematics, a Cunningham chain is a certain sequence of prime numbers. Cunningham chains are named after mathematician A. J. C. Cunningham. They are also called chains of nearly doubled primes. |
Timber pilings | Piling foundations support many historic structures such as canneries, wharves, and shore buildings. The old pilings present challenging problems during restoration as they age and are destroyed by organisms and decay. Replacing the foundation entirely is possible but expensive. Regularly inspecting and maintaining tim... |
EasyWriter | EasyWriter was a word processor first written for the Apple II series computer in 1979, the first word processor for that platform. |
Vertical-external-cavity surface-emitting-laser | A vertical-external-cavity surface-emitting-laser (VECSEL) is a small semiconductor laser similar to a vertical-cavity surface-emitting laser (VCSEL). VECSELs are used primarily as near infrared devices in laser cooling and spectroscopy, but have also been explored for applications such as telecommunications. |
Acetic anhydride | Acetic anhydride, or ethanoic anhydride, is the chemical compound with the formula (CH3CO)2O. Commonly abbreviated Ac2O, it is the simplest isolable anhydride of a carboxylic acid and is widely used as a reagent in organic synthesis. It is a colorless liquid that smells strongly of acetic acid, which is formed by its r... |
BHF-177 | BHF-177 is a compound used in scientific research which acts as a positive allosteric modulator at the GABAB receptor. It was shown to reduce self-administration of nicotine in animal studies. |
IT infrastructure | Information technology infrastructure is defined broadly as a set of information technology (IT) components that are the foundation of an IT service; typically physical components (computer and networking hardware and facilities), but also various software and network components.According to the ITIL Foundation Course ... |
Chemical shift | In nuclear magnetic resonance (NMR) spectroscopy, the chemical shift is the resonant frequency of an atomic nucleus relative to a standard in a magnetic field. Often the position and number of chemical shifts are diagnostic of the structure of a molecule. Chemical shifts are also used to describe signals in other forms... |
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