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Department of Education and Science (United Kingdom) Summary Department_of_Education_and_Science_(United_Kingdom) The DfES was also represented in regional Government Offices. The DfES had jurisdiction only in England as education was the responsibility of the Scottish Government, Welsh Assembly Government and the Nort... |
John Randall (physicist) The Magnetron John_Randall_(physicist) > Career and research > The Magnetron This seemed to offer a much more likely path to higher power.The problem with existing magnetrons was not power, but efficiency. In the klystron, a beam of electrons was passed through a metal disk known as a resonator... |
Brans–Dicke theory Comparison with general relativity Brans–Dicke_theory > Comparison with general relativity Both Brans–Dicke theory and general relativity are examples of a class of relativistic classical field theories of gravitation, called metric theories. In these theories, spacetime is equipped with a metric ten... |
Weird number Properties Weird_number > Properties If so, they must be greater than 1021.Sidney Kravitz has shown that for k a positive integer, Q a prime exceeding 2k, and R = 2 k Q − ( Q + 1 ) ( Q + 1 ) − 2 k {\displaystyle R={\frac {2^{k}Q-(Q+1)}{(Q+1)-2^{k}}}} also prime and greater than 2k, then n = 2 k − 1 Q R {\d... |
Governance Internet governance Governance > Types > Internet governance Internet governance was defined by the World Summit on the Information Society as "the development and application by Governments, the private sector and civil society, in their respective roles, of shared principles, norms, rules, decision-making ... |
Sulfur oxidizing bacteria Aerobic respiration Sulfur-oxidizing_bacteria > Aerobic respiration There are, however, several cases of aerobic archaea such as Haiobacterium, Thermoplasma, Sulfolobus and Yymbaculum. Most of the known eukaryotes carry out aerobic metabolism within their mithchondria which is an organelle tha... |
Function key Windows/MS-DOS Function_Keys > Action on various programs and operating systems > Windows/MS-DOS F2 is used in many Windows applications such as Windows Explorer, Excel, Visual Studio and other programs to access file or field edit functions, such as renaming a file. F4 is used in some applications to make... |
Outline of artificial intelligence Future Outline_of_artificial_intelligence > Future Transhumanism – philosophy of human transformation Posthumanism – people may survive, but not be recognizable in comparison to present modern-day humans. Cyborgs – Mind uploading – Existential risk from artificial general intelligence... |
National Ambient Air Quality Standards Standards Federal_Equivalent_Method > Standards "EPA has set NAAQS for six major pollutants listed as below. These six are also the criteria air pollutants. ^a Each standard has its own criteria for how many times it may be exceeded ^b As of June 15, 2005, the 1-hour ozone standar... |
Multimedia learning Empirically established principles Multimedia_learning > Multimedia instructional design principles > Empirically established principles Common techniques include arrows, circles, highlighting or bolding text, and pausing or vocal emphasis in narration. Ending lesson segments after the critical info... |
Social immunity Definition Social_immunity > Definition Sylvia Cremer defined social immunity in her seminal 2007 Current Biology paper 'Social Immunity' as the "collective action or altruistic behaviours of infected individuals that benefit the colony". She laid out a conceptual framework for the topic using examples ... |
Neutralization (chemistry) Meaning of "neutralization" Neutralization_reaction > Meaning of "neutralization" In the context of a chemical reaction the term neutralization is used for a reaction between an acid and a base or alkali. Historically, this reaction was represented as acid + base (alkali) → salt + waterFor ex... |
Range estimation Standard rulers Distance_measurement > Standard rulers The ruler the simplest kind of length measurement tool: lengths are defined by printed marks or engravings on a stick. The metre was initially defined using a ruler before more accurate methods became available. Gauge blocks are a common method for... |
Solar fuel Photochemical Solar_fuel > Hydrogen production > Photochemical In a photochemical process, the sunlight is directly used to split water into hydrogen and oxygen. Because the absorption spectrum of water does not overlap with the emission spectrum of the sun, direct dissociation of water cannot take place; a ... |
Parameter Mathematical analysis Parameter > Mathematical functions > Mathematical analysis In mathematical analysis, integrals dependent on a parameter are often considered. These are of the form F ( t ) = ∫ x 0 ( t ) x 1 ( t ) f ( x ; t ) d x . {\displaystyle F(t)=\int _{x_{0}(t)}^{x_{1}(t)}f(x;t)\,dx.} In this formul... |
Boolean satisfiability problem Extensions of SAT Propositional_satisfiability > Extensions of SAT UNAMBIGUOUS-SAT is the name given to the satisfiability problem when the input is restricted to formulas having at most one satisfying assignment. The problem is also called USAT. A solving algorithm for UNAMBIGUOUS-SAT is... |
Industrial Symbiosis Introduction Industrial_Symbiosis > Introduction IS systems such as the web of materials and energy exchanges among companies in Kalundborg, Denmark have spontaneously evolved from a series of micro innovations over a long time scale; however, the engineered design and implementation of such system... |
C-value enigma C-value enigma C-value_enigma > Variation among species > C-value enigma From where does this non-coding DNA come, and how is it spread and/or lost from genomes over time? What effects, or perhaps even functions, does this non-coding DNA have for chromosomes, nuclei, cells, and organisms? Why do some spe... |
Tangent stiffness matrix Overview Tangent_stiffness_matrix > Overview Computational mechanics (CM) is interdisciplinary. Its three pillars are mechanics, mathematics, and computer science and physics. |
Sign language Linguistics Sign_language > Linguistics As in spoken languages, these meaningless units are represented as (combinations of) features, although coarser descriptions are often also made in terms of five "parameters": handshape (or handform), orientation, location (or place of articulation), movement, and n... |
Bent's rule History Bent's_rule > History In the early 1930s, shortly after much of the initial development of quantum mechanics, those theories began to be applied towards molecular structure by Pauling, Slater, Coulson, and others. In particular, Pauling introduced the concept of hybridisation, where atomic s and p o... |
Physical space Spatial measurement Physical_space > Spatial measurement The measurement of physical space has long been important. Although earlier societies had developed measuring systems, the International System of Units, (SI), is now the most common system of units used in the measuring of space, and is almost uni... |
Glossary of mechanical engineering D Glossary_of_mechanical_engineering > D Diode laser – Docking sleeve – Drafting – Drifting – Driveshaft – a component for transmitting mechanical power and torque and rotation, usually used to connect other components of a drivetrain that cannot be connected directly because of dista... |
Garbage can model Origins of the garbage can model Garbage_can_model > Origins of the garbage can model Ultimately, the search process ended with none of the potential candidates being chosen, and the head of the search committee taking the position of dean. During an interview, Olsen describes the chaotic decision-mak... |
Cattell–Horn–Carroll theory Cattell and Horn's Gf–Gc Model Cattell–Horn–Carroll_theory > Background > Development of the CHC model > Cattell and Horn's Gf–Gc Model Recent research has explored the idea that training on working memory tasks can transfer to improvements in fluid intelligence. (Jaeggi, 2008). This idea di... |
Path of least resistance Description Path_of_least_resistance > Description In physics, the "path of least resistance" is a heuristic from folk physics that can sometimes, in very simple situations, describe approximately what happens. It is an approximation of the tendency to the least energy state. Other examples are... |
Noise margin Summary Noise_margin In electrical engineering, noise margin is the maximum voltage amplitude of extraneous signal that can be algebraically added to the noise-free worst-case input level without causing the output voltage to deviate from the allowable logic voltage level. It is commonly used in at least t... |
Sympathoadrenal system Summary Sympathoadrenal_system The sympathoadrenal system is a physiological connection between the sympathetic nervous system and the adrenal medulla and is crucial in an organism's physiological response to outside stimuli. When the body receives sensory information, the sympathetic nervous sys... |
Depressed cubic Galois group Depressed_cubic > Galois group As Δ {\displaystyle {\sqrt {\Delta }}} changes of sign if two roots are exchanged, Δ {\displaystyle {\sqrt {\Delta }}} is fixed by the Galois group only if the Galois group is A3. In other words, the Galois group is A3 if and only if the discriminant is the sq... |
Feynman graph Motivation and history Interaction_vertex > Motivation and history This is closely tied to the functional integral formulation of quantum mechanics, also invented by Feynman—see path integral formulation. The naïve application of such calculations often produces diagrams whose amplitudes are infinite, bec... |
Dental antibiotic prophylaxis Recommendations Dental_antibiotic_prophylaxis > Recommendations Considerations should be undertaken by healthcare professional as well to exercise their clinical judgement and patient's consent in decision-making.Infective Endocarditis (IE) is the infection of heart valves.Previous beliefs... |
Object-oriented languages Gang of Four design patterns Object_Oriented_Programming > Design patterns > Gang of Four design patterns Design Patterns: Elements of Reusable Object-Oriented Software is an influential book published in 1994 by Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides, often referred to h... |
Kikuchi disease Pathophysiology Kikuchi_disease > Pathophysiology Some studies have suggested a genetic predisposition to the proposed autoimmune response. Several infectious candidates have been associated with Kikuchi disease.Many theories exist about the cause of KFD. Microbial/viral or autoimmune causes have been s... |
Wave Other Wave > Mechanical waves > Other Waves of traffic, that is, propagation of different densities of motor vehicles, and so forth, which can be modeled as kinematic waves Metachronal wave refers to the appearance of a traveling wave produced by coordinated sequential actions. |
METATOY Summary METATOY A METATOY is a sheet, formed by a two-dimensional array of small, telescopic optical components, that switches the path of transmitted light rays. METATOY is an acronym for "metamaterial for rays", representing a number of analogies with metamaterials; METATOYs even satisfy a few definitions of ... |
Adhesive bonding Vehicle electronics Adhesive_bonding > Applications (selection) > Automotive industry > Vehicle electronics Many sensors are therefore encapsulated or protected by securely fitting housing. In both cases, adhesives are used. |
4th Dimension (software) Data Types 4th_Dimension_(software) > Syntax > Data Types 4D fields, variables, and expressions can be of the following data types: More info on 4D data type can be found on the documentation page |
Grid energy storage Superconducting magnetic energy Grid_storage > Forms > Superconducting magnetic energy The power conditioning system uses an inverter/rectifier to transform alternating current (AC) power to direct current or convert DC back to AC power. The inverter/rectifier accounts for about 2–3% energy loss in ... |
Human influenza Epidemiology Influenza > Epidemiology Pandemic strains tend to be associated with higher rates of pneumonia in otherwise healthy individuals. Generally after each influenza pandemic, the pandemic strain continues to circulate as the cause of seasonal influenza, replacing prior strains. From 1700 to 1889... |
VHDL Design VHDL > Design VHDL is generally used to write text models that describe a logic circuit. Such a model is processed by a synthesis program, only if it is part of the logic design. A simulation program is used to test the logic design using simulation models to represent the logic circuits that interface to t... |
A* algorithm Optimality and consistency A*_search_algorithm > Properties > Optimality and consistency Optimal efficiency is about the set of nodes expanded, not the number of node expansions (the number of iterations of A*'s main loop). When the heuristic being used is admissible but not consistent, it is possible for ... |
Homomorphic filtering Image enhancement Homomorphic_filtering > Image enhancement Since illumination and reflectance combine multiplicatively, the components are made additive by taking the logarithm of the image intensity, so that these multiplicative components of the image can be separated linearly in the frequency ... |
Mechanics of planar particle motion Fictitious forces in a local coordinate system Mechanics_of_planar_particle_motion > Fictitious forces in a local coordinate system Sitting on the particle, we adopt a non-inertial frame where the particle is at rest (zero velocity). This frame has a continuously changing origin, whi... |
Nutritional neuroscience Protein Nutritional_neuroscience > Protein The body normally interconverts amino acids to maintain homeostasis, but muscle protein can be catabolized to release amino acids during conditions of amino acid deficiency. Disruption of amino acid metabolism can affect brain development and neurophys... |
Object modeling language Summary Object_modeling_language The UML began as an attempt by some of the major thought leaders in the community to define a standard language at the OOPSLA '95 Conference. Originally, Grady Booch and James Rumbaugh merged their models into a unified model. This was followed by Booch's compan... |
Quantum artificial life Interactions Quantum_artificial_life > Artificial life on quantum computers > Interactions Interactions occur between individuals when the two take up the same space on the environmental grid. The presence of interactions between individuals provides an advantage for the shorter-lifespan individ... |
Kempner function Properties Kempner_function > Properties Since n {\displaystyle n} divides n ! {\displaystyle n!} , S ( n ) {\displaystyle S(n)} is always at most S ( n ) {\displaystyle S(n)} . A number n {\displaystyle n} greater than 4 is a prime number if and only if S ( n ) = n {\displaystyle S(n)=n} . |
Streptococcus pyogenes Biofilm formation Group_A_beta-hemolytic_streptococcus > Bacteriology > Biofilm formation The mode of transportation out of the cell and the extracellular processing factor(s) are still unknown. The mature SHP pheromone can then be taken into nearby cells and the cell it originated from via a tra... |
Eyeline match Summary Eyeline_match An eyeline match is a film editing technique associated with the continuity editing system. It is based on the premise that an audience will want to see what the character on-screen is seeing. An eyeline match begins with a character looking at something off-screen, followed by a cut... |
Doppler radar Doppler effect Doppler_radar > Concept > Doppler effect Imagine a baseball pitcher throwing one ball every second to a catcher (a frequency of 1 ball per second). Assuming the balls travel at a constant velocity and the pitcher is stationary, the catcher catches one ball every second. However, if the pitc... |
Darzens reaction Stereochemistry Darzens_reaction > Reaction mechanism > Stereochemistry The initial stereochemistry of the reaction sequence is established in the step where the carbanion attacks the carbonyl. Two sp3 (tetrahedral) carbons are created at this stage, which allows two different diastereomeric possibilit... |
Equilibrium temperature Greenhouse effect Planetary_equilibrium_temperature > Caveats > Greenhouse effect In the greenhouse effect, long wave radiation emitted by a planet is absorbed by certain gases in the atmosphere, reducing longwave emissions to space. Planets with substantial greenhouse atmospheres emit more long... |
Postreplication repair Summary Postreplication_repair At damaged sites in the genome, both prokaryotic and eukaryotic cells utilize a number of postreplication repair (PRR) mechanisms to complete DNA replication. Chemically modified bases can be bypassed by either error-prone or error-free translesion polymerases, or t... |
Immunological tolerance Summary Immunologic_tolerance Deficits in central or peripheral tolerance also cause autoimmune disease, resulting in syndromes such as systemic lupus erythematosus, rheumatoid arthritis, type 1 diabetes, autoimmune polyendocrine syndrome type 1 (APS-1), and immunodysregulation polyendocrinopath... |
Iconography of correlations Summary Iconography_of_correlations In exploratory data analysis, the iconography of correlations is a method which consists in replacing a correlation matrix by a diagram where the “remarkable” correlations are represented by a solid line (positive correlation), or a dotted line (negative c... |
Phylogenetic relationship Phylogenetic tree shapes Insight on Disease Transmission Patterns Phylogenetic_relationship > Phylogenetic tree shapes Insight on Disease Transmission Patterns Additionally, coalescent theory, which describes probability distributions on trees based on population size, has been adapted for epi... |
Electronic spectroscopy Wavelength error Ultraviolet_spectroscopy > Applications > Practical considerations > Wavelength error In liquids, the extinction coefficient usually changes slowly with wavelength. A peak of the absorbance curve (a wavelength where the absorbance reaches a maximum) is where the rate of change i... |
Parameter Statistics and econometrics Parameter > Mathematical functions > Statistics and econometrics Similarly, the sample variance (estimator), denoted S2, can be used to estimate the variance parameter (estimand), denoted σ2, of the population from which the sample was drawn. (Note that the sample standard deviatio... |
Endocrinology The endocrine system Endocrinology > The endocrine system Endocrinology is the study of the endocrine system in the human body. This is a system of glands which secrete hormones. Hormones are chemicals that affect the actions of different organ systems in the body. |
T-duality Summary T-duality In theoretical physics, T-duality (short for target-space duality) is an equivalence of two physical theories, which may be either quantum field theories or string theories. In the simplest example of this relationship, one of the theories describes strings propagating in a spacetime shaped ... |
Random mutation Summary Evolutionary_process Evolution by natural selection is established by observable facts about living organisms: (1) more offspring are often produced than can possibly survive; (2) traits vary among individuals with respect to their morphology, physiology, and behaviour; (3) different traits conf... |
Hash-based cryptography History Hash-based_cryptography > History Leslie Lamport invented hash-based signatures in 1979. The XMSS (eXtended Merkle Signature Scheme) and SPHINCS hash-based signature schemes were introduced in 2011 and 2015, respectively. XMSS was developed by a team of researchers under the direction of... |
Restitution coefficient Colliding different materials and practical measurement Restitution_coefficient > Speeds after impact > Colliding different materials and practical measurement When a soft object strikes a harder object, most of the energy available for the post-collision velocity will be stored in the soft obje... |
RNA timestamp Summary RNA_timestamp An RNA timestamp is a technology that enables the age of any given RNA transcript to be inferred by exploiting RNA editing. In this technique, the RNA of interest is tagged to an adenosine rich reporter motif that consists of multiple MS2 binding sites. These MS2 binding sites recrui... |
Glossary of biology E Glossary_of_biology > E entomology The scientific study of insects. environmental biology The branch of biology concerned with the relations between organisms and their environments. enzyme A protein that acts as a biological catalyst by accelerating chemical reactions. |
Moment distribution method Result Moment_distribution > Example > Result Moments at joints determined by the moment distribution method M A = 0 k N ⋅ m {\displaystyle M_{A}=0\ kN\cdot m} M B = − 11.569 k N ⋅ m {\displaystyle M_{B}=-11.569\ kN\cdot m} M C = − 10.186 k N ⋅ m {\displaystyle M_{C}=-10.186\ kN\cdot m} M D =... |
Crystal Crystal structure (microscopic) Crystalline_rock > Crystal structure (microscopic) The unit cells are stacked in three-dimensional space to form the crystal. The symmetry of a crystal is constrained by the requirement that the unit cells stack perfectly with no gaps. There are 219 possible crystal symmetries (2... |
Variance analysis (accounting) Variance analysis Variance_analysis_(accounting) > Variance analysis Variance analysis, first used in ancient Egypt, in budgeting or management accounting in general, is a tool of budgetary control by evaluation of performance by means of variances between budgeted amount, planned amount ... |
Disability and poverty Current initiatives Disability_and_poverty > Current initiatives The movement asserts that unless these obstacles are rectified, the connection between disability and poverty will persist.Employment is seen as a critical agent in reducing stigma and increasing capacity in the lives of individuals... |
Matter waves Molecules De_Broglie_Hypothesis > Introduction > Experimental confirmation > Molecules More recent experiments prove the quantum nature of molecules made of 810 atoms and with a mass of 10123 Da. As of 2019, this has been pushed to molecules of 25000 Da.In these experiments the build-up of such interferenc... |
James Clerk Maxwell King's College, London, 1860–1865 James_Clerk_Maxwell > Life > King's College, London, 1860–1865 In it he provided a conceptual model for electromagnetic induction, consisting of tiny spinning cells of magnetic flux. Two more parts were later added to and published in that same paper in early 1862. ... |
Allergic to penicillin Penicillin G Allergic_to_penicillin > Medical usage > Penicillin G Penicillin G is destroyed by stomach acid, so it cannot be taken by mouth, but doses as high as 2.4 g can be given (much higher than penicillin V). It is given by intravenous or intramuscular injection. It can be formulated as an ... |
Dyslexia Assessment tests Dyslexia > Diagnosis > Assessment > Assessment tests Examples include the Behavioral Assessment System for Children, and the Strengths and Difficulties Questionnaire. All of these have nationally representative norms, making it possible to compare the level of symptoms to what would be typical... |
Link prediction Katz measure Link_prediction > Approaches and methods > Topology-based methods > Katz measure The powers of A indicate the presence (or absence) of links between two nodes through intermediaries. For instance, in matrix A 3 {\displaystyle A^{3}} , if element ( a 2 , 12 ) = 1 {\displaystyle (a_{2,12})=1}... |
Supply and demand Equilibrium Supply_and_demand > Microeconomics > Equilibrium (A movement along the curve is described as a "change in the quantity demanded" to distinguish it from a "change in demand," that is, a shift of the curve.) The increase in demand has caused an increase in (equilibrium) quantity. The increas... |
Steady-state error Controller theory Steady-state_error > Controller theory This section describes the parallel or non-interacting form of the PID controller. For other forms please see § Alternative nomenclature and forms.The PID control scheme is named after its three correcting terms, whose sum constitutes the manip... |
Jet pack Yves Rossy's jet wingpack Jet_suit > Turbojet packs > Yves Rossy's jet wingpack After being lifted to altitude by a plane, he ignites the engines just before he exits the plane with the wings folded. The wings unfold while in free-fall, and he then can fly horizontally for several minutes, landing with the hel... |
Soft power Description Soft_power > Description Soft power resources are the assets that produce attraction, which often leads to acquiescence. Nye asserts that, "Seduction is always more effective than coercion, and many values like democracy, human rights, and individual opportunities are deeply seductive." Angelo Co... |
Mental fog In diseases Mental_fog > In diseases Many of these are also common symptoms of ADHD (attention deficit hyperactivity disorder), and the two conditions have been linked via studies, to the point that a diagnosis of fibromyalgia has been proposed as an indication to also screen for ADHD. It is alternatively hy... |
History of the International System of Units Derived units History_of_the_International_System_of_Units > Units and prefixes > Derived units This has the effect that the distinction between the base units and derived units is, in principle, not needed, since all units, base as well as derived, may be constructed direct... |
Lethal autonomous weapon Possible violations of ethics and international acts Autonomous_weapon_systems > Ethical and legal issues > Possible violations of ethics and international acts Stuart Russell, professor of computer science from University of California, Berkeley stated the concern he has with LAWs is that his ... |
Annus mirabilis papers Special relativity Annus_mirabilis_papers > Papers > Special relativity First, he applies the principle of relativity, which states that the laws of physics remain the same for any non-accelerating frame of reference (called an inertial reference frame), to the laws of electrodynamics and optics ... |
Detailed balance Microscopic background Detailed_balance_equations > Microscopic background Equilibrium may be not T- or PT-invariant even if the laws of motion are invariant. This non-invariance may be caused by the spontaneous symmetry breaking. There exist nonreciprocal media (for example, some bi-isotropic material... |
Structural proteomics Summary Structural_genomics Structural genomics seeks to describe the 3-dimensional structure of every protein encoded by a given genome. This genome-based approach allows for a high-throughput method of structure determination by a combination of experimental and modeling approaches. The principa... |
Argument scheme Argument from ignorance Argumentation_scheme > Examples > Argument from ignorance The scheme and its accompanying critical questions are shown below. : 327 These critical questions, CQ2 and CQ3 especially, show the dialectical nature of the theory from which this scheme derives (that is, the scheme is b... |
Quantum processing unit Candidates for physical realizations Quantum_processing_unit > Engineering > Candidates for physical realizations A practical quantum computer must use a physical system as a programmable quantum register. Researchers are exploring several technologies as candidates for reliable qubit implementa... |
Algebraic graph theory Using linear algebra Algebraic_graph_theory > Branches of algebraic graph theory > Using linear algebra The first branch of algebraic graph theory involves the study of graphs in connection with linear algebra. Especially, it studies the spectrum of the adjacency matrix, or the Laplacian matrix o... |
Stream function Summary Stream_function The stream function is defined for incompressible (divergence-free) flows in two dimensions – as well as in three dimensions with axisymmetry. The flow velocity components can be expressed as the derivatives of the scalar stream function. The stream function can be used to plot s... |
Gastrointestinal symptom Hepatic Gastrointestinal_disorder > Accessory digestive gland disease > Hepatic Portal hypertension is often present, and this may lead to the development of prominent veins in many parts of the body, such as oesophageal varices, and haemorrhoids. : 959–963, 971–973 In order to investigate live... |
Corpuscular theory of light Isaac Newton Corpuscular_theory_of_light > Isaac Newton The material point is the only representative of reality in so far as it is subject to change. The concept of the material point is obviously due to observable bodies; one conceived of the material point on the analogy of movable bodies... |
An Essay on the Application of Mathematical Analysis to the Theories of Electricity and Magnetism Overview An_Essay_on_the_Application_of_Mathematical_Analysis_to_the_Theories_of_Electricity_and_Magnetism > Overview Green's 1828 essay was neglected by mathematicians till 1846, and before that time most of its important... |
Proofs of elementary ring properties Multiplication by zero Proofs_of_elementary_ring_properties > Basics > Multiplication by zero Theorem: 0 ⋅ a = a ⋅ 0 = 0 {\displaystyle 0\cdot a=a\cdot 0=0} |
Neuroblast Differentiation Neuroblast > Formation > Differentiation Transit amplifying cells are slightly more differentiated than neural stem cells and can divide asymmetrically to produce postmitotic neuroblasts and glioblasts, as well as other transit amplifying cells. A neuroblast, a daughter cell of a transit ampl... |
Google Public DNS Summary Google_Public_DNS Google Public DNS is a Domain Name System (DNS) service offered to Internet users worldwide by Google. It functions as a recursive name server. Google Public DNS was announced on December 3, 2009, in an effort described as "making the web faster and more secure." As of 2018, ... |
Airflow Airflow in mechanical ventilation systems (HVAC) Airflow > Airflow in buildings > Airflow in mechanical ventilation systems (HVAC) Mechanical ventilation uses fans to induce flow of air into and through a building. Duct configuration and assembly affect air flow rates through the system. Dampers, valves, joints... |
Human mitochondrial genome Damage and transcription error Human_mitochondrial_genome > Replication, repair, transcription, and translation > Damage and transcription error Both cases can lead to deletions, rearrangements, and other mutations. Recent evidence has suggested that mitochondria have enzymes that proofread m... |
Translational partition function Summary Translational_partition_function The factor of N! arises from the restriction of allowed N particle states due to Quantum exchange symmetry. Most substances form liquids or solids at temperatures much higher than when this approximation breaks down significantly. |
Time integral Functional integrals Sum_rule_in_integration > Extensions > Functional integrals An integration that is performed not over a variable (or, in physics, over a space or time dimension), but over a space of functions, is referred to as a functional integral. |
Parallel algorithms for minimum spanning trees Summary Parallel_algorithms_for_minimum_spanning_trees It is not necessarily unique. More generally, graphs that are not necessarily connected have minimum spanning forests, which consist of a union of MSTs for each connected component. As finding MSTs is a widespread prob... |
Approximation Etymology and usage Approximate_inequality > Etymology and usage An approximate model is used to make calculations easier. Approximations might also be used if incomplete information prevents use of exact representations. The type of approximation used depends on the available information, the degree of a... |
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