page_content stringlengths 51 3.15k |
|---|
JT (visualization format) Overview JT_(visualization_format) > Overview JT files are used in product lifecycle management (PLM) software programs and their respective CAD systems, by engineers and other professionals that need to analyze the geometry of complex products. The format and associated software is structured... |
Mathematical symbol Calculus Table_of_mathematical_symbols > Calculus Quad, the 4-vector gradient operator or four-gradient, ( ∂ ∂ t , ∂ ∂ x , ∂ ∂ y , ∂ ∂ z ) {\displaystyle \textstyle \left({\frac {\partial }{\partial t}},{\frac {\partial }{\partial x}},{\frac {\partial }{\partial y}},{\frac {\partial }{\partial z}}\r... |
Biogeochemical cycling Summary Biogeochemical_cycling Changes to cycles can impact human health. The cycles are interconnected and play important roles regulating climate, supporting the growth of plants, phytoplankton and other organisms, and maintaining the health of ecosystems generally. Human activities such as bur... |
Functionally graded material Applications Functionally_graded_material > Applications This is normally achieved by using a ceramic layer connected with a metallic layer. The Air Vehicles Directorate has conducted a Quasi-static bending test results of functionally graded titanium/titanium boride test specimens which ca... |
Chaotic hysteresis Summary Chaotic_hysteresis A nonlinear dynamical system exhibits chaotic hysteresis if it simultaneously exhibits chaotic dynamics (chaos theory) and hysteresis. As the latter involves the persistence of a state, such as magnetization, after the causal or exogenous force or factor is removed, it invo... |
Hollow matrix Diagonal entries all zero Hollow_matrix > Definitions > Diagonal entries all zero A hollow matrix may be a square matrix whose diagonal elements are all equal to zero. That is, an n × n matrix A = (aij) is hollow if aij = 0 whenever i = j (i.e. aii = 0 for all i). The most obvious example is the real skew... |
Deep learning accelerator The blooming DLPs Deep_learning_accelerator > History > The blooming DLPs Inspired from the pioneer work of DianNao Family, many DLPs are proposed in both academia and industry with design optimized to leverage the features of deep neural networks for high efficiency. Only at ISCA 2016, three ... |
Stack register Stack registers in x86 Stack_pointer > Stack registers in x86 The new value of SP becomes 0xF81E. The CPU then copies the value of AX to the memory word whose physical address is 0x1F81E. When "PUSH BX" is executed, SP is set to 0xF81C and BX is copied to 0x1F81C.This illustrates how PUSH works. |
Query expansion Query expansion methods Query_expansion > Query expansion methods The local analysis refers to the relevance feedback introduced by Rocchio. Rocchio proposed to judge manually some of the retrieved documents and use this feedback information to expand the query. Since collecting users' judgment can be c... |
Electron diffraction Further developments Electron_diffraction > History > Further developments Averaging over different directions has, empirically, been found to significantly reduce dynamical diffraction effects, e.g. See PED history for further details. Not only is it easier to identify known structures with this a... |
Dynamic mutation Summary Dynamic_mutation Generally the larger the expansion the more likely they are to cause disease or increase the severity of disease. This property results in the characteristic of anticipation seen in trinucleotide repeat disorders. Anticipation describes the tendency of age of onset to decrease ... |
Optical aberrations Overview Aberration_(optics) > Overview With an ideal lens, light from any given point on an object would pass through the lens and come together at a single point in the image plane (or, more generally, the image surface). Real lenses do not focus light exactly to a single point, however, even when... |
Winogradsky column Construction Winogradsky_column > Construction Alternatively, some procedures call for sand to be used for the layer above the enriched sediment as to allow for easier observation and sampling of resulting populations. This is followed by water from the pond to saturate the mud (or sand) and occupy h... |
Broadcast signal Social impact Broadcast_video > Social impact Television and radio programs are distributed through radio broadcasting or cable, often both simultaneously. By coding signals and having a cable converter box with decoding equipment in homes, the latter also enables subscription-based channels, pay-tv an... |
Topological phase transitions Topological order Topological_phase_transition > References by categories > Topological order Int. J. Mod. Phys. |
Atomicity, consistency, isolation, durability Locking vs. multiversioning Atomicity,_consistency,_isolation,_durability > Implementation > Locking vs. multiversioning For example, if user A is running a transaction that has to read a row of data that user B wants to modify, user B must wait until user A's transaction c... |
Electrical contact Electrical contact theory Electrical_contacts > Electrical contact theory Ragnar Holm contributed greatly to electrical contact theory and application.Macroscopically smooth and clean surfaces are microscopically rough and, in air, contaminated with oxides, adsorbed water vapor, and atmospheric conta... |
Economic policy Evidence-based policy Economic_policy > Economic policy through history > Evidence-based policy However, the emphasis put on experimental evidence by the movement of evidence-based policy (and evidence-based medicine) results from the narrowly construed notion of intervention, which encompasses only pol... |
Maintenance theories of aging Progeria Aging_theories_based_on_group_selection > Diseases > Progeroid syndromes > Progeria Those who have HGPS are prone to suffer from neurological and cardiovascular disorders. HGPS is caused by a point mutation in the gene that encodes lamin A protein. Lamin A promotes genetic stabili... |
Horner–Wadsworth–Emmons reaction Reaction mechanism Horner–Wadsworth–Emmons_reaction > Reaction mechanism The Horner–Wadsworth–Emmons reaction begins with the deprotonation of the phosphonate to give the phosphonate carbanion 1. Nucleophilic addition of the carbanion onto the aldehyde 2 (or ketone) producing 3a or 3b i... |
Hypertext Transfer Protocol over Secure Socket Layer In case of compromised secret (private) key HTTP_Secure > Technical > Server setup > In case of compromised secret (private) key An important property in this context is perfect forward secrecy (PFS). Possessing one of the long-term asymmetric secret keys used to est... |
Granular layer (cerebellum) Deep nuclei Cerebellar_cortex > Structure > Microanatomy > Deep nuclei (The globose and the emboliform nuclei are also referred to as combined in the interposed nucleus). The fastigial and interposed nuclei belong to the spinocerebellum. The dentate nucleus, which in mammals is much larger t... |
Chaotic mixing Fluid flows Chaotic_mixing > Context of chaotic advection > Fluid flows Two basic mechanisms are responsible for fluid mixing: diffusion and advection. In liquids, molecular diffusion alone is hardly efficient for mixing. Advection, that is the transport of matter by a flow, is required for better mixing... |
Self-adjoint operators A simple example Self-adjoint_operators > Symmetric operators > A simple example As noted above, the spectral theorem applies only to self-adjoint operators, and not in general to symmetric operators. Nevertheless, we can at this point give a simple example of a symmetric operator that has an ort... |
Minsk family of computers Models Minsk_family_of_computers > Models It supported COBOL, FORTRAN and ALGAMS (a version of ALGOL). This and earlier versions also used a machine-oriented language called AKI (AvtoKod "Inzhener", i.e., "Engineer's Autocode"). It stood somewhere between the native assembly language SSK (Sist... |
Condensing coil Spiral Heat_exchangers > Spiral This attribute is often leveraged and partially reallocated to gain other improvements in performance, according to well known tradeoffs in heat exchanger design. (A notable tradeoff is capital cost vs operating cost.) A compact SHE may be used to have a smaller footprint... |
Mathematical theorem Informal account of theorems Mathematical_theorem > Informal account of theorems These hypotheses form the foundational basis of the theory and are called axioms or postulates. The field of mathematics known as proof theory studies formal languages, axioms and the structure of proofs. Some theorems... |
Cleavage-stage embryo Mammals Cleavage-stage_embryo > Mammals Mammals have a slow rate of division that is between 12 and 24 hours. These cellular divisions are asynchronous. Zygotic transcription starts at the two-, four-, or eight-cell stage. |
REST API Summary RESTful_API REST (Representational state transfer) is a software architectural style that was created to guide the design and development of the architecture for the World Wide Web. REST defines a set of constraints for how the architecture of an Internet-scale distributed hypermedia system, such as th... |
Algorithmic probability II. Levin's Universal Distribution Algorithmic_probability > Fundamental Theorems > II. Levin's Universal Distribution Given that any uniquely-decodable code satisfies the Kraft-McMillan inequality, prefix-free Kolmogorov Complexity allows us to derive the Universal Distribution: P ( x ) = ∑ U ∘... |
General Theory of Relativity Relativistic generalization Observer_(relativity) > From classical mechanics to general relativity > Relativistic generalization At small scales, all reference frames that are in free fall are equivalent, and approximately Minkowskian. Consequently, we are now dealing with a curved generali... |
Endocrine glands Disease Ductless_gland > Clinical significance > Disease Hyperparathyroidism results in hypercalcemia and its effects and in extreme bone wasting. Hypoparathyroidism leads to hypocalcemia, evidenced by tetany seizure and respiratory paralysis. Hyposecretion of insulin results in diabetes mellitus; card... |
Molecular structure of Nucleic Acids Collaborators and controversy Molecular_Structure_of_Nucleic_Acids:_A_Structure_for_Deoxyribose_Nucleic_Acid > Collaborators and controversy Although Watson and Crick were first to put together all the scattered fragments of information that were required to produce a successful mol... |
173 (number) In mathematics 173_(number) > In mathematics an inconsummate number. the sum of 2 squares: 22 + 132. the sum of three consecutive prime numbers: 53 + 59 + 61. Palindromic number in bases 3 (201023) and 9 (2129). |
Simultaneous multithreading Taxonomy Simultaneous_multithreading > Taxonomy Chip-level multiprocessing (CMP or multicore): integrates two or more processors into one chip, each executing threads independently. Any combination of multithreaded/SMT/CMP.The key factor to distinguish them is to look at how many instruction... |
Monomial symmetric polynomial Summary Symmetric_polynomial Indeed, a theorem called the fundamental theorem of symmetric polynomials states that any symmetric polynomial can be expressed in terms of elementary symmetric polynomials. This implies that every symmetric polynomial expression in the roots of a monic polynom... |
Heteroclinic channels Control theory Heteroclinic_channels > Concepts > Control theory Control theory, in robotics, deals with the use of dynamical systems to control robotic systems. The goal of robotic control is to perform precise, coordinated actions using physical actuators in response to sensor input. Dynamical s... |
List of dualities Physics List_of_dualities > Physics Complementarity (physics) Dual resonance model Duality (electricity and magnetism) Englert–Greenberger duality relation Holographic duality Kramers–Wannier duality Mirror symmetry 3D mirror symmetry Montonen–Olive duality Mysterious duality (M-theory) Seiberg dualit... |
Raw moments Standardized moments Moment_(mathematics) > Significance of the moments > Standardized moments The normalised n-th central moment or standardised moment is the n-th central moment divided by σn; the normalised n-th central moment of the random variable X is These normalised central moments are dimensionless... |
Decentralized information technology Information technology Decentralization > Technological decentralization > Information technology Decentralization is particularly applicable to business or management units which have a high level of independence, complicated products and customers, and technology less relevant to ... |
EmDrive Electromagnetic interactions EmDrive > Experimental errors > Electromagnetic interactions These experiments used relatively large electromagnetic inputs to generate small amounts of thrust. As a result, electromagnetic interactions between power leads, between power lines and ambient magnetic fields, or between... |
Polydimethylsiloxane Mechanical properties Dimethyl_polysiloxane > Mechanical properties When the load itself is removed, the strain is slowly recovered (rather than instantaneously). This time-dependent elastic deformation results from the long-chains of the polymer. But the process that is described above is only rel... |
History of the periodic table Mendeleev's predictions and inability to incorporate the rare-earth metals History_of_the_periodic_table > Priority dispute and recognition > Mendeleev's predictions and inability to incorporate the rare-earth metals However, the higher valency for didymium had not been established, and Me... |
Isogenic human disease models Historical models Isogenic_human_disease_models > Historical models Human isogenic disease models have been likened to 'patients in a test-tube', since they incorporate the latest research into human genetic diseases and do so without the difficulties and limitations involved in using non-... |
Glycoprotein 130 Characteristics Common_gp130_subunit > Characteristics This complex of 3 proteins then homodimerizes to form a hexameric complex which can produce downstream signals. There are many other proteins which associate with gp130, such as cardiotrophin 1 (CT-1), leukemia inhibitory factor (LIF), ciliary neur... |
Multisystem inflammatory syndrome in children Mechanism Multisystem_inflammatory_syndrome_in_children > Mechanism Questions regarding the underlying molecular mechanisms that lead to the disorder following exposure to SARS-CoV-2 include identification of: any genetic predisposition factors; any associations with partic... |
Quantum paraelectricity Summary Quantum_paraelectricity Quantum paraelectricity is a type of incipient ferroelectricity where the onset of ferroelectric order is suppressed by quantum fluctuations. From the soft mode theory of ferroelectricity, this occurs when a ferroelectric instability is stabilized by quantum fluct... |
Fission product Summary Fission_fragment Due to being relatively neutron-rich for their atomic number, many of them quickly undergo beta decay. This releases additional energy in the form of beta particles, antineutrinos, and gamma rays. Thus, fission events normally result in beta and gamma radiation, even though this... |
List of real analysis topics Convergence List_of_real_analysis_topics > General topics > Convergence Pointwise convergence, Uniform convergence Absolute convergence, Conditional convergence Normal convergence Radius of convergence |
Shoreline development index Summary Shoreline_development_index The shoreline development index of a lake is the ratio of the length of the lake's shoreline to the circumference of a circle with the same area as the lake. It is given in equation form as D L = L 2 π A {\textstyle D_{L}={\frac {L}{2{\sqrt {\pi A}}}}} , w... |
Matrix approximation History Singular-value_decomposition > History The first proof of the singular value decomposition for rectangular and complex matrices seems to be by Carl Eckart and Gale J. Young in 1936; they saw it as a generalization of the principal axis transformation for Hermitian matrices. In 1907, Erhard ... |
Magnetic gear Design Magnetic_gear > Design Magnetic gear systems typically use permanent magnets. They may also use electromagnets for specialized cases including changeable gear ratio. Magnetic gear coupling can be configured in several ways. Parallel input and output axes, similar to spur gears, have magnetic attrac... |
Rafail Krichevskii Selected publications Rafail_Krichevskii > Selected publications with V.K.Trofimov: "The Performance of Universal Encoding." IEEE Trans. Inform. Theory, V.27:2, (1981) 199–207. |
Inseparable degree Informal discussion Inseparable_degree > Informal discussion An arbitrary polynomial f with coefficients in some field F is said to have distinct roots or to be square-free if it has deg f roots in some extension field E ⊇ F {\displaystyle E\supseteq F} . For instance, the polynomial g(X) = X 2 − 1 h... |
The Message in the Bottle "Culture: The Antinomy of the Scientific Method" The_Message_in_the_Bottle > "Culture: The Antinomy of the Scientific Method" Let us consider another reality in front of us, viz., culture. By culture, we mean the activities of human beings which are not primarily physiological or psychological... |
SolarMagic Products SolarMagic > Products The original SolarMagic device was a proprietary brand of power optimizer, a device which isolates the output from each PV-module from the rest of the system, preventing loss of performance by a single module from affecting the rest of the array. Because of the electronic chara... |
Population differentiation Population genetics Human_genetic_variation > History and geographic distribution > Population genetics 3,000 generations). The rapid expansion of a previously small population has two important effects on the distribution of genetic variation. First, the so-called founder effect occurs when ... |
Contact mechanics History Frictionless_contact_mechanics > History The works of Bowden and Tabor yielded several theories in contact mechanics of rough surfaces. The contributions of Archard (1957) must also be mentioned in discussion of pioneering works in this field. Archard concluded that, even for rough elastic sur... |
Sunspot equilibrium Sunspots and the Indeterminacy School in Macroeconomics Sunspot_equilibrium > Sunspots and the Indeterminacy School in Macroeconomics The Cass Shell example relies on the fact that general equilibrium models often possess multiple equilibria. Cass and Shell construct an example with three equilibria... |
Discovery and development of beta-blockers Pharmacokinetics Discovery_and_development_of_beta-blockers > Mechanism of action > Pharmacokinetics The β-adrenergic receptor antagonists all have similar therapeutic and pharmacodynamic actions in patients with cardiovascular disorders. They vary greatly in their pharmacokin... |
Memory errors Summary Memory_errors Memory gaps and errors refer to the incorrect recall, or complete loss, of information in the memory system for a specific detail and/or event. Memory errors may include remembering events that never occurred, or remembering them differently from the way they actually happened. These... |
Quantum Computation and Quantum Information Summary Quantum_Computation_and_Quantum_Information Quantum Computation and Quantum Information is a textbook about quantum information science written by Michael Nielsen and Isaac Chuang, regarded as a standard text on the subject. It is informally known as "Mike and Ike", a... |
Hydrobromic acid Summary Hydrobromic_acid Hydrobromic acid is a strong acid formed by dissolving the diatomic molecule hydrogen bromide (HBr) in water. "Constant boiling" hydrobromic acid is an aqueous solution that distills at 124.3 °C (255.7 °F) and contains 47.6% HBr by mass, which is 8.77 mol/L. Hydrobromic acid ha... |
Sending loudness rating Summary Sending_loudness_rating 20 micro-Pascals is called the Threshold of human hearing, and is equal to 0 dB Sound pressure level (SPL). ITU-T recommendation P.79 has the frequency weighted sensitivity calculations in it for sending loudness rating (SLR) and receive loudness rating (RLR) for ... |
Aldosterone antagonists Examples Aldosterone_antagonist > Examples Members of this class in clinical use include: Widespread use Spironolactone — the first and most widely used member of this class Eplerenone — much more selective than spironolactone on target, but somewhat less potent and efficacious Uncommon use (to ... |
DNA structure RNA DNA_structure > Secondary structure > RNA A tetraloop is a four-base pairs hairpin RNA structure. There are three common families of tetraloop in ribosomal RNA: UNCG, GNRA, and CUUG (N is one of the four nucleotides and R is a purine). UNCG is the most stable tetraloop.Pseudoknot is a RNA secondary st... |
Complex projective line Metric Complex_sphere > Metric Conversely, any metric on an oriented surface uniquely determines a complex structure, which depends on the metric only up to conformal equivalence. Complex structures on an oriented surface are therefore in one-to-one correspondence with conformal classes of metri... |
Jørgen Pedersen Gram Summary Jørgen_Pedersen_Gram Instead of using a series of logarithmic integrals, Gram's function uses logarithm powers and the zeta function of positive integers. It has recently been supplanted by a formula of Ramanujan that uses the Bernoulli numbers directly instead of the zeta function. In cont... |
Linearity of expectation Expectations under convergence of random variables Mathematical_expectation > Properties > Expectations under convergence of random variables Then, according to the dominated convergence theorem, E | X | ≤ E < ∞ {\displaystyle \operatorname {E} |X|\leq \operatorname {E} <\infty } ; lim n E... |
Acid dyes Description Acid_dyes > Description In this context, if an acid is used instead of water, then the hydrogen ion (H+) is more easily able to dissociate in order to react with the aniline dye anion, allowing the dye to dissolve. Animal protein fibers and the synthetic fiber nylon contain many cationic sites tha... |
Analyte Summary Analyte An analyte, component (in clinical chemistry), titrand (in titrations), or chemical species is a substance or chemical constituent that is of interest in an analytical procedure. The purest substances are referred to as analytes, such as 24 karat gold, NaCl, water, etc. In reality, no substance ... |
Bayesian programming Summary Bayesian_programming Bayesian programming is a formalism and a methodology for having a technique to specify probabilistic models and solve problems when less than the necessary information is available. Edwin T. Jaynes proposed that probability could be considered as an alternative and an ... |
Electronic components Capacitors Discrete_components > Passive components > Capacitors Capacitors store and release electrical charge. They are used for filtering power supply lines, tuning resonant circuits, and for blocking DC voltages while passing AC signals, among numerous other uses. Capacitor Integrated capacito... |
History of the Church–Turing thesis Gandy: "machine computation", discrete, deterministic, and limited to "local causation" by light speed History_of_the_Church–Turing_thesis > Gandy: "machine computation", discrete, deterministic, and limited to "local causation" by light speed But then he restricts his machines even ... |
Continuous-flow manufacturing Summary Continuous-flow_manufacturing There is usually some time spent waiting for the process during a queue-time or wait-time. The larger the batch, the longer each unit has to wait for the rest of the batch to be completed, before it can go forward to the next process. This queue-time i... |
Resistance thermometers Function Platinum-resistance_thermometer > Function Resistance thermometers are constructed in a number of forms and offer greater stability, accuracy and repeatability in some cases than thermocouples. While thermocouples use the Seebeck effect to generate a voltage, resistance thermometers use... |
Lateral olfactory tract usher substance Function Lateral_olfactory_tract_usher_substance > Function As LOTUS generates a permissive brain environment for neuronal regeneration, it may aid recovery after spinal cord injury. It also has been shown to reduce synapse loss in a mouse model of Alzheimer's disease. == Referen... |
Contravariant vector Summary Covariant_vector A scalar (also called type-0 or rank-0 tensor) is an object that does not vary with the change in basis. An example of a physical observable that is a scalar is the mass of a particle. The single, scalar value of mass is independent to changes in basis vectors and consequen... |
Euler Equations (fluid dynamics) Quasilinear form and characteristic equations Euler_Equations_(fluid_dynamics) > Quasilinear form and characteristic equations Expanding the fluxes can be an important part of constructing numerical solvers, for example by exploiting (approximate) solutions to the Riemann problem. In re... |
Von Neumann–Morgenstern utility theorem Implications for the expected utility hypothesis Compound_lottery > Consequences > Implications for the expected utility hypothesis In 1738, Daniel Bernoulli published a treatise in which he posits that rational behavior can be described as maximizing the expectation of a functio... |
Complexity and Real Computation Summary Complexity_and_Real_Computation Complexity and Real Computation is a book on the computational complexity theory of real computation. It studies algorithms whose inputs and outputs are real numbers, using the Blum–Shub–Smale machine as its model of computation. For instance, this... |
Part per million Applications Part_per_million > Applications For instance, the expansion coefficient of some brass alloy, α = 18.7 ppm/°C, may be expressed as 18.7 (μm/m)/°C, or as 18.7 (μ in/in)/°C; the numeric value representing a relative proportion does not change with the adoption of a different unit of length. S... |
Sentence diagram Summary Sentence_diagram A sentence diagram is a pictorial representation of the grammatical structure of a sentence. The term "sentence diagram" is used more when teaching written language, where sentences are diagrammed. The model shows the relations between words and the nature of sentence structure... |
Energy of activation Activation energy in a 2D potential energy surface Energy_of_activation > Activation energy in a 2D potential energy surface The bluer the surface, the stronger the hydrogen bonds, so blue colors represent minima energy and red colors are maxima. Tungsten’s PES is symmetric, and has a dip at the br... |
Public Administration of Spain Causal link Public_Administration_of_Spain > Patrimonial liability regime > Requirements > Causal link The cause-effect relationship seems to be an obvious and simple requirement in the framework of the liability of the Public Administration for damages in its action. However, the causes ... |
Extensible Storage Engine Tables Extensible_Storage_Engine > Tables A table is a homogeneous collection of records, where each record has the same set of columns. Each table is identified by a table name, whose scope is local to the database in which the table is contained. The amount of disk space allocated to a table... |
Chronic obstructive lung disease Occupational health Chronic_lower_respiratory_disease > Prevention > Occupational health A number of measures have been taken to reduce the likelihood that workers in at-risk industries—such as coal mining, construction and stonemasonry—will develop COPD. Examples of these measures incl... |
Natural Selection Directionality of selection Evolutionary_selection > Genetic basis > Directionality of selection Disruptive (or diversifying) selection is selection favoring extreme trait values over intermediate trait values. Disruptive selection may cause sympatric speciation through niche partitioning. Some forms ... |
Theta vacuum Theta vacua Theta_vacuum > Yang–Mills vacuum > Theta vacua Topological vacua are not candidate vacuum states of Yang–Mills theories since they are not eigenstates of large gauge transformations and so aren't gauge invariant. Instead acting on the state | n ⟩ {\displaystyle |n\rangle } with a large gauge tr... |
C program Pointers C_programming_language > Data types > Pointers Dereferencing a null pointer value is undefined, often resulting in a segmentation fault. Null pointer values are useful for indicating special cases such as no "next" pointer in the final node of a linked list, or as an error indication from functions r... |
Neurogenetics Neurological disorders Neurogenetics > Neurological disorders Neurodegenerative diseases are a more common subset of neurological disorders, with examples being Alzheimer's disease and Parkinson's disease. Currently no viable treatments exist that actually reverse the progression of neurodegenerative dise... |
Parallel breadth-first search Data structure Parallel_breadth-first_search > Parallel BFS with distributed memory > Implementation optimization strategies > Data structure There are some special data structures that parallel BFS can benefit from, such as CSR (Compressed Sparse Row), bag-structure, bitmap and so on. In ... |
Mechanics Relativistic Mechanics > Sub-disciplines > Relativistic Akin to the distinction between quantum and classical mechanics, Albert Einstein's general and special theories of relativity have expanded the scope of Newton and Galileo's formulation of mechanics. The differences between relativistic and Newtonian mec... |
Useable Introduction Useable > Introduction The primary notion of usability is that an object designed with a generalized users' psychology and physiology in mind is, for example: More efficient to use—takes less time to accomplish a particular task Easier to learn—operation can be learned by observing the object More ... |
Lexical preprocessor General purpose preprocessor Lexical_preprocessor > General purpose preprocessor using C preprocessor for devicetree processing within the Linux kernel. using M4 (see on-article example) or C preprocessor as a template engine, to HTML generation. imake, a make interface using the C preprocessor, wr... |
Nucleic acids Summary Nucleic_Acid Nucleic acids are chemical compounds that are found in nature. They carry information in cells and make up genetic material. These acids are very common in all living things, where they create, encode, and store information in every living cell of every life-form on Earth. |
Electrodynamic tether Tether current Electrodynamic_tether > Tethers as generators > Tether current The amount of current (I) flowing through a tether depends on various factors. One of these is the circuit's total resistance (R). The circuit's resistance consist of three components: the effective resistance of the pla... |
State-transition equation Summary State-transition_equation Solving for X ( s ) {\displaystyle X(s)} gives X ( s ) = ( s I − A ) − 1 x ( 0 ) + ( s I − A ) − 1 . {\displaystyle X(s)=(sI-A)^{-1}x(0)+(sI-A)^{-1}.} So, the state-transition equation can be obtained by taking inverse Laplace transform as x ( t ) = L − 1 x ... |
Classification of railway accidents Drivers' errors Classification_of_railway_accidents > Classification of rail accidents by causes > Drivers' errors Passing signals at danger Excessive speed Mishandling of the engine (e.g. boiler explosions) Failure to check brakes and safety systems as well as sand reserve Failure t... |
Crossing (physics) Overview Crossing_symmetry > Overview Consider any process involving an incoming particle with momentum p. For the particle to give a measurable contribution to the amplitude, it has to interact with a number of different particles with momenta q 1 , q 2 , . . . |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.