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In mathematics , two-center bipolar coordinates is a coordinate system based on two coordinates which give distances from two fixed centers c 1 {\displaystyle c_{1}} and c 2 {\displaystyle c_{2}} . [ 1 ] This system is very useful in some scientific applications (e.g. calculating the electric field of a dipole on a pla... | https://en.wikipedia.org/wiki/Two-center_bipolar_coordinates |
In molecular biology , a two-component regulatory system serves as a basic stimulus-response coupling mechanism to allow organisms to sense and respond to changes in many different environmental conditions. [ 1 ] Two-component systems typically consist of a membrane -bound histidine kinase that senses a specific enviro... | https://en.wikipedia.org/wiki/Two-component_regulatory_system |
A two-cube calendar is a desk calendar consisting of two cubes with faces marked by digits 0 through 9 . Each face of each cube is marked with a single digit, and it is possible to arrange the cubes so that any chosen day of the month (from 01, 02, ... through 31) is visible on the two front faces.
A puzzle about the ... | https://en.wikipedia.org/wiki/Two-cube_calendar |
Two-dimensional chromatography is a type of chromatographic technique in which the injected sample is separated by passing through two different separation stages. Two different chromatographic columns are connected in sequence, and the effluent from the first system is transferred onto the second column. [ 1 ] Typical... | https://en.wikipedia.org/wiki/Two-dimensional_chromatography |
Two dimensional correlation analysis is a mathematical technique that is used to study changes in measured signals. As mostly spectroscopic signals are discussed, sometime also two dimensional correlation spectroscopy is used and refers to the same technique.
In 2D correlation analysis, a sample is subjected to an ext... | https://en.wikipedia.org/wiki/Two-dimensional_correlation_analysis |
The two-dimensional critical Ising model is the critical limit of the Ising model in two dimensions. It is a two-dimensional conformal field theory whose symmetry algebra is the Virasoro algebra with the central charge c = 1 2 {\displaystyle c={\tfrac {1}{2}}} . Correlation functions of the spin and energy operators ar... | https://en.wikipedia.org/wiki/Two-dimensional_critical_Ising_model |
In fluid mechanics , a two-dimensional flow is a form of fluid flow where the flow velocity at every point is parallel to a fixed plane. The velocity at any point on a given normal to that fixed plane should be constant.
Considering a two dimensional flow in the X − Y {\displaystyle X-Y} plane, the flow velocity at an... | https://en.wikipedia.org/wiki/Two-dimensional_flow |
A two-dimensional gas is a collection of objects constrained to move in a planar or other two-dimensional space in a gaseous state. The objects can be: classical ideal gas elements such as rigid disks undergoing elastic collisions ; elementary particles , or any ensemble of individual objects in physics which obeys law... | https://en.wikipedia.org/wiki/Two-dimensional_gas |
Two-dimensional gel electrophoresis , abbreviated as 2-DE or 2-D electrophoresis , is a form of gel electrophoresis commonly used to analyze proteins . Mixtures of proteins are separated by two properties in two dimensions on 2D gels. 2-DE was independently introduced in 1969 by Macko and Stegemann [ 1 ] (working with ... | https://en.wikipedia.org/wiki/Two-dimensional_gel_electrophoresis |
A two-dimensional liquid ( 2D liquid ) is a collection of objects constrained to move in a planar space or other two-dimensional space in a liquid state.
The movement of the particles in a 2D liquid is similar to 3D, but with limited degrees of freedom. E.g. rotational motion can be limited to rotation about only one ... | https://en.wikipedia.org/wiki/Two-dimensional_liquid |
A two-dimensional polymer ( 2DP ) is a sheet-like monomolecular macromolecule consisting of laterally connected repeat units with end groups along all edges. [ 1 ] [ 2 ] This recent definition of 2DP is based on Hermann Staudinger 's polymer concept from the 1920s. [ 3 ] [ 4 ] [ 5 ] [ 6 ] According to this, covalent lo... | https://en.wikipedia.org/wiki/Two-dimensional_polymer |
A two-dimensional semiconductor (also known as 2D semiconductor ) is a type of natural semiconductor with thicknesses on the atomic scale. Geim and Novoselov et al. initiated the field in 2004 when they reported a new semiconducting material graphene , a flat monolayer of carbon atoms arranged in a 2D honeycomb lattice... | https://en.wikipedia.org/wiki/Two-dimensional_semiconductor |
Windowing is a process where an index-limited sequence has its maximum energy concentrated in a finite frequency interval. This can be extended to an N -dimension where the N -D window has the limited support and maximum concentration of energy in a separable or non-separable N -D passband. The design of an N -dimensio... | https://en.wikipedia.org/wiki/Two-dimensional_window_design |
The two-domain system is a biological classification by which all organisms in the tree of life are classified into two domains , Bacteria and Archaea . [ 1 ] [ 2 ] [ 3 ] It emerged from development of knowledge of archaea diversity and challenges the widely accepted three-domain system that classifies life into Bacter... | https://en.wikipedia.org/wiki/Two-domain_system |
In condensed matter physics , the two-fluid model is a macroscopic model to explain superfluidity . The idea was suggested by László Tisza in 1938 and reformulated by Lev Landau in 1941 to explain the behavior of superfluid helium-4 . [ 1 ] [ 2 ] This model states that there will be two components in liquid helium belo... | https://en.wikipedia.org/wiki/Two-fluid_model |
In mathematics , a two-graph is a set of unordered triples chosen from a finite vertex set X , such that every unordered quadruple from X contains an even number of triples of the two-graph. A regular two-graph has the property that every pair of vertices lies in the same number of triples of the two-graph. Two-graph... | https://en.wikipedia.org/wiki/Two-graph |
Two-hybrid screening (originally known as yeast two-hybrid system or Y2H ) is a molecular biology technique used to discover protein–protein interactions (PPIs) [ 1 ] and protein–DNA interactions [ 2 ] [ 3 ] by testing for physical interactions (such as binding) between two proteins or a single protein and a DNA molecu... | https://en.wikipedia.org/wiki/Two-hybrid_screening |
Two-level game theory is a political model , derived from game theory , that illustrates the domestic-international interactions between states. It was originally introduced in 1988 by Robert D. Putnam in his publication "Diplomacy and Domestic Politics: The Logic of Two-Level Games". [ 1 ]
Putnam had been involved in... | https://en.wikipedia.org/wiki/Two-level_game_theory |
In decision theory , economics , and finance , a two-moment decision model is a model that describes or prescribes the process of making decisions in a context in which the decision-maker is faced with random variables whose realizations cannot be known in advance, and in which choices are made based on knowledge of tw... | https://en.wikipedia.org/wiki/Two-moment_decision_model |
In fluid mechanics , two-phase flow is a flow of gas and liquid — a particular example of multiphase flow . Two-phase flow can occur in various forms, such as flows transitioning from pure liquid to vapor as a result of external heating , separated flows, and dispersed two-phase flows where one phase is present in the... | https://en.wikipedia.org/wiki/Two-phase_flow |
Two-photon excitation microscopy ( TPEF or 2PEF ) is a fluorescence imaging technique that is particularly well-suited to image scattering living tissue of up to about one millimeter in thickness. Unlike traditional fluorescence microscopy , where the excitation wavelength is shorter than the emission wavelength, two-p... | https://en.wikipedia.org/wiki/Two-photon_excitation_microscopy |
Two-point tensors , or double vectors , are tensor -like quantities which transform as Euclidean vectors with respect to each of their indices. They are used in continuum mechanics to transform between reference ("material") and present ("configuration") coordinates. [ 1 ] Examples include the deformation gradient and ... | https://en.wikipedia.org/wiki/Two-point_tensor |
The two-second rule is a rule of thumb by which a driver may maintain a safe trailing distance at any speed. [ 1 ] [ 2 ] The rule is that a driver should ideally stay at least two seconds behind any vehicle that is directly in front of his or her vehicle. It is intended for automobiles, although its general principle ... | https://en.wikipedia.org/wiki/Two-second_rule |
A two-state trajectory (also termed two-state time trajectory or a trajectory with two states ) is a dynamical signal that fluctuates between two distinct values: ON and OFF, open and closed, + / − {\displaystyle +/-} , etc. Mathematically, the signal X ( t ) {\displaystyle X(t)} has, for every t , {\displaystyle t,} e... | https://en.wikipedia.org/wiki/Two-state_trajectory |
The two-state vector formalism ( TSVF ) is a description of quantum mechanics in terms of a causal relation in which the present is caused by quantum states of the past and of the future taken in combination.
The two-state vector formalism is one example of a time-symmetric interpretation of quantum mechanics (see Int... | https://en.wikipedia.org/wiki/Two-state_vector_formalism |
Two-tone testing is a means of testing electronic components and systems, particularly radio systems, for intermodulation distortion . It consists of simultaneously injecting two sinusoidal signals of different frequencies (tones) into the component or system. Intermodulation distortion usually occurs in active compo... | https://en.wikipedia.org/wiki/Two-tone_testing |
In mathematical logic and computer science , two-variable logic is the fragment of first-order logic where formulae can be written using only two different variables . [ 1 ] This fragment is usually studied without function symbols .
Some important problems about two-variable logic, such as satisfiability and finite s... | https://en.wikipedia.org/wiki/Two-variable_logic |
A two-vector or bivector [ 1 ] is a tensor of type ( 2 0 ) {\displaystyle \scriptstyle {\binom {2}{0}}} and it is the dual of a two-form , meaning that it is a linear functional which maps two-forms to the real numbers (or more generally, to scalars).
The tensor product of a pair of vectors is a two-vector. Then, any... | https://en.wikipedia.org/wiki/Two-vector |
The two envelopes problem , also known as the exchange paradox , is a paradox in probability theory . It is of special interest in decision theory and for the Bayesian interpretation of probability theory . It is a variant of an older problem known as the necktie paradox .
The problem is typically introduced by formula... | https://en.wikipedia.org/wiki/Two_envelopes_problem |
Twyman's law states that "Any figure that looks interesting or different is usually wrong", [ 1 ] following the principle that "the more unusual or interesting the data, the more likely they are to have been the result of an error of one kind or another". It is named after the media and market researcher Tony Twyman an... | https://en.wikipedia.org/wiki/Twyman's_law |
The Ty5 is a type of retrotransposon native to the Saccharomyces cerevisiae organism.
Ty5 is one of five [ 1 ] endogenous retrotransposons native to the model organism Saccharomyces cerevisiae , all of which target integration to gene poor regions. Endogenous retrotransposons are hypothesized to target gene poor chrom... | https://en.wikipedia.org/wiki/Ty5_retrotransposon |
Tyche / ˈ t aɪ k i / is a hypothetical gas giant located in the Solar System 's Oort cloud , first proposed in 1999 by astrophysicists John Matese, Patrick Whitman and Daniel Whitmire of the University of Louisiana at Lafayette . [ 1 ] [ 2 ] They argued that evidence of Tyche's existence could be seen in a supposed bia... | https://en.wikipedia.org/wiki/Tyche_(hypothetical_planet) |
The Tycho Brahe Medal is awarded by the European Astronomical Society . Namesake is the Danish astronomer of the Renaissance Tycho Brahe . Inaugurated in 2008, the prize is awarded annually in recognition of the pioneering of European astronomical instrumentations, or major discoveries based largely on such instruments... | https://en.wikipedia.org/wiki/Tycho_Brahe_Medal |
In mathematics , Tychonoff's theorem states that the product of any collection of compact topological spaces is compact with respect to the product topology . The theorem is named after Andrey Nikolayevich Tikhonov (whose surname sometimes is transcribed Tychonoff ), who proved it first in 1930 for powers of the closed... | https://en.wikipedia.org/wiki/Tychonoff's_theorem |
In topology and related branches of mathematics , Tychonoff spaces and completely regular spaces are kinds of topological spaces . These conditions are examples of separation axioms . A Tychonoff space is any completely regular space that is also a Hausdorff space ; there exist completely regular spaces that are not T... | https://en.wikipedia.org/wiki/Tychonoff_space |
Tygon® is a brand name for a family of flexible polymer tubing consisting of a variety of materials to be used "across a range of specialized fluid transfer requirements". [ 1 ] The specific composition of each type is a trade secret. Some variants have multiple layers of different materials. Tygon is a registered trad... | https://en.wikipedia.org/wiki/Tygon_tubing |
The Tyler poison gas plot was an American domestic terrorism plan in Tyler, Texas , thwarted in April 2003 with the arrest of three individuals and the seizure of a cyanide gas bomb along with a large arsenal. [ 1 ] [ 2 ] Authorities had been investigating the white supremacist conspirators for several years and the ca... | https://en.wikipedia.org/wiki/Tyler_poison_gas_plot |
Tyndallization is a process from the nineteenth century for sterilizing substances, usually food, named after its inventor John Tyndall , that can be used to kill heat-resistant endospores . Although now considered dated, it is still occasionally used. [ citation needed ]
A simple and effective sterilizing method comm... | https://en.wikipedia.org/wiki/Tyndallization |
Type-1.5 superconductors are multicomponent superconductors characterized by two or more coherence lengths , at least one of which is shorter than the magnetic field penetration length λ {\displaystyle \lambda } , and at least one of which is longer. This is in contrast to single-component superconductors, where there ... | https://en.wikipedia.org/wiki/Type-1.5_superconductor |
In superconductivity , a type-II superconductor is a superconductor that exhibits an intermediate phase of mixed ordinary and superconducting properties at intermediate temperature and fields above the superconducting phases.
It also features the formation of magnetic field vortices with an applied external magnetic fi... | https://en.wikipedia.org/wiki/Type-II_superconductor |
The interior of a bulk superconductor cannot be penetrated by a weak magnetic field , a phenomenon known as the Meissner effect . When the applied magnetic field becomes too large, superconductivity breaks down. Superconductors can be divided into two types according to how this breakdown occurs. In type-I superconduct... | https://en.wikipedia.org/wiki/Type-I_superconductor |
In mathematical logic , System U and System U − are pure type systems , i.e. special forms of a typed lambda calculus with an arbitrary number of sorts , axioms and rules (or dependencies between the sorts).
System U was proved inconsistent by Jean-Yves Girard in 1972 [ 1 ] (and the question of consistency of System U... | https://en.wikipedia.org/wiki/Type-in-type |
A type-in program or type-in listing was computer source code printed in a home computer magazine or book. It was meant to be entered via the keyboard by the reader and then saved to cassette tape or floppy disk . The result was a usable game, utility, or application program.
Type-in programs were common in the home c... | https://en.wikipedia.org/wiki/Type-in_program |
In biology , a type is a particular specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally associated. In other words, a type is an example that serves to anchor or centralizes the defining features of that particular taxon . In older usage (pre-1900 in... | https://en.wikipedia.org/wiki/Type_(biology) |
In model theory and related areas of mathematics , a type is an object that describes how a (real or possible) element or finite collection of elements in a mathematical structure might behave. More precisely, it is a set of first-order formulas in a language L with free variables x 1 , x 2 ,..., x n that are true of ... | https://en.wikipedia.org/wiki/Type_(model_theory) |
Type 1 regulatory cells or Tr1 ( T R 1 ) cells are a class of regulatory T cells participating in peripheral immunity as a subset of CD4+ T cells . Tr1 cells regulate tolerance towards antigens of any origin. Tr1 cells are self or non-self antigen specific and their key role is to induce and maintain peripheral toleran... | https://en.wikipedia.org/wiki/Type_1_regulatory_T_cell |
Type 2 inflammation is a pattern of immune response . Its physiological function is to defend the body against helminths , but a dysregulation of the type 2 inflammatory response has been implicated in the pathophysiology of several diseases. [ 1 ] [ 2 ]
IL-25 , IL-33 , and TSLP are alarmins released from damaged epit... | https://en.wikipedia.org/wiki/Type_2_inflammation |
The Type 94 disinfecting vehicle and Type 94 gas scattering vehicle were variants of the Type 94 tankette adapted to chemical warfare by the Imperial Japanese Army . The Type 94 disinfecting vehicle and Type 94 gas scattering vehicle were configured as either an independent mobile liquid dissemination chemical vehicle ... | https://en.wikipedia.org/wiki/Type_94_disinfecting_vehicle_and_Type_94_gas_scattering_vehicle |
The Type Es 3750 or simply the Es 3750 is a series of bucket chain excavators built by TAKRAF and used in Germany . According to TAKRAF , they boast that the Type Es 3750 is the largest bucket chain excavators in the world. [ 3 ] [ 4 ] Type Es 3750s are notable for being always used in conjunction with the Overburden C... | https://en.wikipedia.org/wiki/Type_Es_3750_bucket_chain_excavator |
The bacterial type IV secretion system , also known as the type IV secretion system or the T4SS , is a secretion protein complex found in gram negative bacteria , gram positive bacteria , and archaea . It is able to transport proteins and DNA across the cell membrane . [ 1 ] The type IV secretion system is just one of ... | https://en.wikipedia.org/wiki/Type_IV_secretion_system |
The Type IX secretion system is a specialized protein secretion system found in the Fibrobacteres-Chlorobi-Bacteroidetes superphylum . It plays a crucial role in various cellular processes, including gliding motility [ 1 ] and the secretion of virulence factors in Porphyromonas gingivalis . [ 2 ] To date, at least nine... | https://en.wikipedia.org/wiki/Type_IX_secretion_system |
A Type VIII secretion system is a type of secretion system found within the inner and outer membranes of gram-negative bacteria . This system is also referred to as the curli biogenesis pathway or the extracellular nucleation-precipitation pathway . It is associated with the formation of biofilms and infecting hosts. [... | https://en.wikipedia.org/wiki/Type_VIII_secretion_system |
In biological taxonomy , the type genus is the genus which defines a biological family and the root of the family name.
According to the International Code of Zoological Nomenclature , "The name-bearing type of a nominal family-group taxon is a nominal genus called the 'type genus'; the family-group name is based upon... | https://en.wikipedia.org/wiki/Type_genus |
In mathematical logic , System U and System U − are pure type systems , i.e. special forms of a typed lambda calculus with an arbitrary number of sorts , axioms and rules (or dependencies between the sorts).
System U was proved inconsistent by Jean-Yves Girard in 1972 [ 1 ] (and the question of consistency of System U... | https://en.wikipedia.org/wiki/Type_in_type |
In printing , type metal refers to the metal alloys used in traditional typefounding and hot metal typesetting . Historically, type metal was an alloy of lead , tin and antimony in different proportions depending on the application, be it individual character mechanical casting for hand setting, mechanical line casting... | https://en.wikipedia.org/wiki/Type_metal |
In zoological nomenclature , a type species ( species typica ) is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen (or specimens). [ 1 ] A similar concept is used for suprageneric groups and... | https://en.wikipedia.org/wiki/Type_species |
In mathematics and theoretical computer science , a type theory is the formal presentation of a specific type system . [ a ] Type theory is the academic study of type systems.
Some type theories serve as alternatives to set theory as a foundation of mathematics . Two influential type theories that have been proposed a... | https://en.wikipedia.org/wiki/Type_theory |
In computer science , a typed assembly language ( TAL ) is an assembly language that is extended to include a method of annotating the datatype of each value that is manipulated by the code. These annotations can then be used by a program (type checker) that processes the assembly language code in order to analyse how ... | https://en.wikipedia.org/wiki/Typed_assembly_language |
Typeeto is a software that allows users to use a Bluetooth -compatible Macintosh keyboard with a range of different devices, including iOS and Android smartphones and tablets, Apple TV, game consoles, Windows PCs, iPad, iPhone, iPod Touch, and MacBooks. The tool allows the keyboard to connect to multiple devices simult... | https://en.wikipedia.org/wiki/Typeeto |
Since Dimitri Mendeleev formulated the periodic law in 1871, and published an associated periodic table of chemical elements , authors have experimented with varying types of periodic tables including for teaching, aesthetic or philosophical purposes.
Earlier, in 1869, Mendeleev had mentioned different layouts includi... | https://en.wikipedia.org/wiki/Types_of_periodic_tables |
Typewise is a Swiss deep tech company that builds text prediction AI. [ 1 ] In January 2022, the company filed a patent for its technology which it claims outperforms that of Google's and Apple's. [ 2 ]
The company's first product was a virtual keyboard for Android and iOS devices. The keyboard features a self-develop... | https://en.wikipedia.org/wiki/Typewise |
The type–token distinction is the difference between a type of objects (analogous to a class ) and the individual tokens of that type (analogous to instances ). Since each type may be instantiated by multiple tokens, there are generally more tokens than types of an object.
For example, the sentence "A Rose is a rose i... | https://en.wikipedia.org/wiki/Type–token_distinction |
Typhoid adware is a type of computer security threat that uses a Man-in-the-middle attack to inject advertising into web pages a user visits when using a public network, like a Wi-Fi hotspot . Researchers from the University of Calgary identified the issue, which does not require the affected computer to have adware in... | https://en.wikipedia.org/wiki/Typhoid_adware |
In information theory , the typical set is a set of sequences whose probability is close to two raised to the negative power of the entropy of their source distribution. That this set has total probability close to one is a consequence of the asymptotic equipartition property (AEP) which is a kind of law of large numbe... | https://en.wikipedia.org/wiki/Typical_set |
In quantum information theory , the idea of a typical subspace plays an important role in the proofs of many coding theorems (the most prominent example being Schumacher compression ). Its role is analogous to that of the typical set in classical information theory .
Consider a density operator ρ {\displaystyle \rho }... | https://en.wikipedia.org/wiki/Typical_subspace |
Typographical Number Theory ( TNT ) is a formal axiomatic system describing the natural numbers that appears in Douglas Hofstadter 's book Gödel, Escher, Bach . It is an implementation of Peano arithmetic that Hofstadter uses to help explain Gödel's incompleteness theorems .
Like any system implementing the Peano axi... | https://en.wikipedia.org/wiki/Typographical_Number_Theory |
The tyranny of numbers was a problem faced in the 1960s by computer engineers . Engineers were unable to increase the performance of their designs due to the huge number of components involved. In theory, every component needed to be wired to every other component (or at least many other components) and were typically... | https://en.wikipedia.org/wiki/Tyranny_of_numbers |
3LXN , 3LXP , 3NYX , 3NZ0 , 3ZON , 4GFO , 4GIH , 4GII , 4GJ2 , 4GJ3 , 4GVJ , 4OLI , 4PO6 , 4PY1 , 4WOV , 5C01 , 5C03 , 5F20 , 5F1Z
7297
54721
ENSG00000105397
ENSMUSG00000032175
P29597
Q9R117
NM_003331
NM_001205312 NM_018793
NP_003322
NP_001192241 NP_061263
Non-receptor tyrosine-protein kinase TYK2 is an enzy... | https://en.wikipedia.org/wiki/Tyrosine_kinase_2 |
The Tyson Medal is a prize awarded for the best performance in subjects relating to astronomy at the University of Cambridge , England . [ 1 ] It is awarded annually for achievement in the examinations for Part III of the Mathematical Tripos when there is a candidate deserving of the prize. In his will , Henry Tyson ma... | https://en.wikipedia.org/wiki/Tyson_Medal |
Tyzzeria allenae Tyzzeria anseris Tyzzeria boae Tyzzeria chalcides Tyzzeria chenicusae Tyzzeria galli Tyzzeria natrix Tyzzeria parvula Tyzzeria pellerdyi Tyzzeria peomysci Tyzzeria perdyi Tyzzeria perniciosa Tyzzeria typhlopis
Tyzzeria is a genus of parasitic alveolates that with one exception ( Tyzzeria boae ) infect... | https://en.wikipedia.org/wiki/Tyzzeria |
In dermatopathology , the Tzanck test , also Tzanck smear , is scraping of an ulcer base to look for Tzanck cells . It is sometimes also called the chickenpox skin test and the herpes skin test . It is a simple, low-cost, and rapid office based test. [ 1 ]
Tzanck cells (acantholytic cells) are found in:
Arnault Tzan... | https://en.wikipedia.org/wiki/Tzanck_test |
The tzolkinex is an eclipse cycle equal to a period of two saros (13,170.636 days) minus one inex (10,571.946 days). As consecutive eclipses in an inex series belongs to the next consecutive saros series, each consecutive Tzolkinex belongs to the previous saros series.
The tzolkinex is equal to 2598.691 days (about 7... | https://en.wikipedia.org/wiki/Tzolkinex |
Tŷ Nant is a mineral water brand bottled at source in Bethania, Ceredigion , Wales . Tŷ Nant is Welsh for "House by the stream".
The Tŷ Nant water source was discovered in 1976 by a water diviner . A borehole was sunk through one hundred feet of rock and clay to an underground aquifer which was found to be drinkable.
... | https://en.wikipedia.org/wiki/Tŷ_Nant |
Uranium borohydride is the inorganic compound with the empirical formula U (BH 4 ) 4 . Two polymeric forms are known, as well as a monomeric derivative that exists in the gas phase. Because the polymers convert to the gaseous form at mild temperatures, uranium borohydride once attracted much attention. It is solid gre... | https://en.wikipedia.org/wiki/U(BH4)4 |
Uranium(IV) sulfate (U(SO 4 ) 2 ) is a water-soluble salt of uranium . It is a very toxic compound . Uranium sulfate minerals commonly are widespread around uranium bearing mine sites, where they usually form during the evaporation of acid sulfate-rich mine tailings which have been leached by oxygen-bearing waters. Ura... | https://en.wikipedia.org/wiki/U(SO4)2 |
U-Report is a social messaging tool and data collection system developed by UNICEF to improve citizen engagement, inform leaders, and foster positive change. [ 1 ] [ 2 ] The program sends SMS polls and alerts to its participants, collecting real-time responses, and subsequently publishes gathered data. Issues polled in... | https://en.wikipedia.org/wiki/U-Report |
In quantum mechanics , the u-bit or ubit is a proposed theoretical entity which arises in attempts to reformulate wave functions using only real numbers instead of the complex numbers conventionally used. [ 1 ]
In order to discover the real probability of a given quantum event occurring, the conventional calculation c... | https://en.wikipedia.org/wiki/U-bit |
u-blox is a Swiss company that creates wireless semiconductors and modules for consumer, automotive and industrial markets. They operate as a fabless IC and design house. The company is listed at the Swiss Stock Exchange (SIX:UBXN) and has offices in the US, Singapore, China, Taiwan (China), Korea, Japan, India, Pakist... | https://en.wikipedia.org/wiki/U-blox |
In model theory , a branch of mathematical logic, U-rank is one measure of the complexity of a (complete) type , in the context of stable theories . As usual, higher U-rank indicates less restriction, and the existence of a U-rank for all types over all sets is equivalent to an important model-theoretic condition: in ... | https://en.wikipedia.org/wiki/U-rank |
The U.S. Army Corps of Engineers Bay Model is a working hydraulic scale model of the San Francisco Bay and Sacramento-San Joaquin River Delta System. While the Bay Model is still operational, it is no longer used for scientific research but is instead open to the public alongside educational exhibits about Bay hydrolo... | https://en.wikipedia.org/wiki/U.S._Army_Corps_of_Engineers_Bay_Model |
The U.S. Chemical Safety and Hazard Investigation Board ( USCSB ), generally referred to [ 1 ] as the Chemical Safety Board ( CSB ), is an independent U.S. federal agency charged with investigating industrial chemical accidents . Headquartered in Washington, D.C. , the agency's board members are appointed by the presid... | https://en.wikipedia.org/wiki/U.S._Chemical_Safety_Board |
The Chemical Corps is the branch of the United States Army tasked with defending against and using chemical , biological , radiological , and nuclear ( CBRN ) weapons . The Chemical Warfare Service was established on 28 June 1918, combining activities that until then had been dispersed among five separate agencies of t... | https://en.wikipedia.org/wiki/U.S._Chemical_Warfare_Service |
The U.S. National Vegetation Classification ( NVC or USNVC ) is a scheme for classifying the natural and cultural vegetation communities of the United States . The purpose of this standardized vegetation classification system is to facilitate communication between land managers, scientists, and the public when managing... | https://en.wikipedia.org/wiki/U.S._National_Vegetation_Classification |
U12 Intron Database ( U12DB ) is a biological database of containing the sequence of eukaryotic introns that are spliced out by a specialised minor spliceosome that contains U12 minor spliceosomal RNA in place of U2 spliceosomal RNA. [ 1 ] These U12-dependent introns are under-represented in genome annotations because ... | https://en.wikipedia.org/wiki/U12_intron_database |
Uranium carbide , a carbide of uranium , is a hard refractory ceramic material. It comes in several stoichiometries ( x differs in UC x ), such as uranium methanide ( UC , CAS number 12070-09-6), uranium sesquicarbide ( U 2 C 3 , CAS number 12076-62-9), [ 2 ] and uranium acetylide ( UC 2 , CAS number 12071-33-9). [ 3 ]... | https://en.wikipedia.org/wiki/U2C3 |
Uranium nitrides is any of a family of several ceramic materials: uranium mononitride (UN), uranium sesquinitride (U 2 N 3 ) and uranium dinitride (UN 2 ). The word nitride refers to the −3 oxidation state of the nitrogen bound to the uranium .
Uranium nitride has been considered as a potential nuclear fuel and will b... | https://en.wikipedia.org/wiki/U2N3 |
Amorphous uranium(VI) oxide ( am -U 2 O 7 ) is an orange diuranyl compound, most commonly obtained from the thermal decomposition of uranyl peroxide tetrahydrate at temperatures between 150 and 500 °C (300 and 930 °F). It exists at room temperature as a powder. Am -U 2 O 7 does not comprise a regular, long-range atomic... | https://en.wikipedia.org/wiki/U2O7 |
U2opia Mobile is a Singaporean mobile technology company. The company’s main product Fonetwish enables customers to receive real time updates from social networking sites such as Facebook , [ 2 ] Twitter and Google on any handset without access to the internet. [ 3 ] It also develops several social applications.
U2opi... | https://en.wikipedia.org/wiki/U2opia_Mobile |
Triuranium octoxide (U 3 O 8 ) [ 4 ] is a compound of uranium . It is present as an olive green to black, odorless solid. It is one of the more popular forms of yellowcake and is shipped between mills and refineries in this form.
U 3 O 8 has potential long-term stability in a geologic environment . [ 5 ] In the presen... | https://en.wikipedia.org/wiki/U3O8 |
The UAProf ( U ser A gent Prof ile) specification is concerned with capturing capability and preference information for wireless devices. This information can be used by content providers to produce content in an appropriate format for the specific device.
UAProf is related to the Composite Capability/Preference Profi... | https://en.wikipedia.org/wiki/UAProf |
uBiome, Inc. was a biotechnology company based in San Francisco that developed technology to sequence the human microbiome . Founded in 2012, the company filed for bankruptcy in 2019 following an FBI raid in an investigation over possible insurance fraud [ 1 ] [ 2 ] involving the US health insurance program Medicare . ... | https://en.wikipedia.org/wiki/UBiome |
The UCL Department of Science and Technology Studies (STS) is an academic department in University College London , London , England. It is part of UCL's Faculty of Mathematics and Physical Sciences. The department offers academic training at both undergraduate and graduate (MSc and MPhil/PhD) levels.
The department r... | https://en.wikipedia.org/wiki/UCL_Department_of_Science_and_Technology_Studies |
The UCSC Genome Browser is an online and downloadable genome browser hosted by the University of California, Santa Cruz (UCSC). [ 2 ] [ 3 ] [ 4 ] It is an interactive website offering access to genome sequence data from a variety of vertebrate and invertebrate species and major model organisms , integrated with a large... | https://en.wikipedia.org/wiki/UCSC_Genome_Browser |
The UCR Herbarium is a clearinghouse for information regarding plant species distribution in the Western hemisphere . The collection houses over 110,000 dried specimens , approximately 80,000 of which are from the United States , and 32,000 from Mexico . The collection is especially strong in the flora of Southern Cali... | https://en.wikipedia.org/wiki/UC_Riverside_Herbarium |
The UC Santa Barbara Bren School of Environmental Science and Management is the graduate environmental studies school of the University of California, Santa Barbara .
The mission of the Bren School is to play a leading role in researching environmental issues, identifying and solving environmental problems, and traini... | https://en.wikipedia.org/wiki/UC_Santa_Barbara_Bren_School_of_Environmental_Science_and_Management |
UCbase is a database of ultraconserved sequences (UCRs or UCEs) that were first described by Bejerano, G. et al. [ 2 ] in 2004. They are highly conserved genome regions that share 100% identity among human, mouse and rat. UCRs are 481 sequences longer than 200 bases. They are frequently located at genomic regions invol... | https://en.wikipedia.org/wiki/UCbase |
Uranium(III) chloride , UCl 3 , is a water soluble salt of uranium. UCl 3 is used mostly to reprocess spent nuclear fuel. Uranium(III) chloride is synthesized in various ways from uranium(IV) chloride ; however, UCl 3 is less stable than UCl 4 .
There are two ways to synthesize uranium(III) chloride. The following ... | https://en.wikipedia.org/wiki/UCl3 |
Uranium tetrachloride is an inorganic compound , a salt of uranium and chlorine, with the formula UCl 4 . It is a hygroscopic olive-green solid. It was used in the electromagnetic isotope separation (EMIS) process of uranium enrichment . It is one of the main starting materials for organouranium chemistry .
Uranium t... | https://en.wikipedia.org/wiki/UCl4 |
Uranium pentachloride is an inorganic chemical compound composed of uranium in the +5 oxidation state and five chlorine atoms.
Uranium pentachloride can be prepared from the reaction of uranium trioxide with carbon tetrachloride , with a previously prepared amount of the compound serving as a catalyst . [ 1 ]
It can ... | https://en.wikipedia.org/wiki/UCl5 |
The Platform Initialization Specification ( PI Specification ) is a specification published by the Unified EFI Forum that describes the internal interfaces between different parts of computer platform firmware . [ 1 ] This allows for more interoperability between firmware components from different sources. This specif... | https://en.wikipedia.org/wiki/UEFI_Platform_Initialization |
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