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Transaction Processing System Real-time processing Transaction_processing_systems > Processing types > Real-time processing "Real time systems attempt to guarantee an appropriate response to a stimulus or request quickly enough to affect the conditions that caused the stimulus." Each transaction in realtime processing ...
Non-alcoholic fatty liver disease Fructose consumption Non-alcoholic_fatty_liver_disease > Pathophysiology > Fructose consumption Furthermore, high fructose consumption promotes fat accumulation in the liver by stimulating de novo lipogenesis in the liver and reducing the beta-oxidation of fat. Unlike the sugar glucose...
Hex digit Summary Hex_digit In mathematics and computing, the hexadecimal (also base-16 or simply hex) numeral system is a positional numeral system that represents numbers using a radix (base) of sixteen. Unlike the decimal system representing numbers using ten symbols, hexadecimal uses sixteen distinct symbols, most ...
Abstract interpretation Abstract interpretation of computer programs Abstract_interpretation > Abstract interpretation of computer programs In general, there is a compromise to be made between the precision of the analysis and its decidability (computability), or tractability (computational cost). In practice the abstr...
Electrophilic aromatic substitution Summary Electrophilic_aromatic_substitution Electrophilic aromatic substitution is an organic reaction in which an atom that is attached to an aromatic system (usually hydrogen) is replaced by an electrophile. Some of the most important electrophilic aromatic substitutions are aromat...
Jinchao Xu Research Interests and Contributions Jinchao_Xu > Research Interests and Contributions In recent years, Xu has become interested in developing training algorithms for deep learning models and their applications, such as Alzheimer's disease, pathological image recognition, and pulse data analysis. He construc...
Oxygen–hemoglobin dissociation curve Summary Oxygen-hemoglobin_dissociation_curve The oxygen–hemoglobin dissociation curve, also called the oxyhemoglobin dissociation curve or oxygen dissociation curve (ODC), is a curve that plots the proportion of hemoglobin in its saturated (oxygen-laden) form on the vertical axis ag...
Edsger W. Dijkstra Early years Edsger_W._Dijkstra > Life and works > Early years The point was that I was supposed to study theoretical physics at the University of Leiden simultaneously, and as I found the two activities harder and harder to combine, I had to make up my mind, either to stop programming and become a re...
Receptivity (NMR) Summary Receptivity_(NMR) Other isotopes, for example 103Rh, are highly abundant but have low gyromagnetic ratios. Widely used NMR spectroscopies often focus on highly receptive elements: 1H, 19F, and 31P. == References ==
Australasian swamphen Life cycle Australasian_swamphen > Life cycle Nesting, breeding and rearing are as for the general species, see purple swamphen. In New Zealand they nest, typically well hidden in the middle of a clump of raupo, between August (end of winter) and March (start of autumn). Most eggs are laid between...
Inertia ellipsoid Angular kinetic energy constraint Poinsot's_ellipsoid > Angular kinetic energy constraint The law of conservation of energy implies that in the absence of energy dissipation or applied torques, the angular kinetic energy T {\displaystyle T\ } is conserved, so d T d t = 0 {\textstyle {\frac {dT}{dt}}=0...
Transistor tester Service type transistor testers Transistor_tester > Types of tester > Service type transistor testers These devices usually perform three types of checks: Forward-current gain, or beta of transistor. Base-to-collector leakage current with emitter open(ico) Short circuits from collector to emitter and ...
Monoidal category Properties and associated notions Free_strict_monoidal_category > Properties and associated notions Further, any (small) strict monoidal category can be seen as a monoid object in the category of categories Cat (equipped with the monoidal structure induced by the cartesian product). Monoidal functors ...
Groundwater flow equation Laplace equation (steady-state flow) Groundwater_flow_equation > Laplace equation (steady-state flow) If the aquifer has recharging boundary conditions a steady-state may be reached (or it may be used as an approximation in many cases), and the diffusion equation (above) simplifies to the Lapl...
Immune systems Gamma delta T cells Human_immune_system > Adaptive immune system > Cell mediated immunity > Gamma delta T cells Gamma delta T cells (γδ T cells) possess an alternative T-cell receptor (TCR) as opposed to CD4+ and CD8+ (αβ) T cells and share the characteristics of helper T cells, cytotoxic T cells and NK ...
Constant factor rule in differentiation Summary Sum_rule_in_differentiation This is a summary of differentiation rules, that is, rules for computing the derivative of a function in calculus.
Applications of capacitors Hazards and safety Filter_capacitor > Hazards and safety Proper containment, fusing, and preventive maintenance can help to minimize these hazards. High-voltage capacitors can benefit from a pre-charge to limit in-rush currents at power-up of high voltage direct current (HVDC) circuits. This ...
Magnetic scalar potential Summary Magnetic_scalar_potential Magnetic scalar potential, ψ, is a quantity in classical electromagnetism analogous to electric potential. It is used to specify the magnetic H-field in cases when there are no free currents, in a manner analogous to using the electric potential to determine t...
Induced cell cycle arrest Summary Induced_cell_cycle_arrest Induced cell cycle arrest is the use of a chemical or genetic manipulation to artificially halt progression through the cell cycle. Cellular processes like genome duplication and cell division stop. It can be temporary or permanent. It is an artificial activat...
Unifying theories in mathematics Historical perspective Unifying_theories_in_mathematics > Historical perspective The process of unification might be seen as helping to define what constitutes mathematics as a discipline. For example, mechanics and mathematical analysis were commonly combined into one subject during th...
Ligand Common ligands Ligand_exchange > Common ligands The steric properties of some ligands are evaluated in terms of their cone angles. Beyond the classical Lewis bases and anions, all unsaturated molecules are also ligands, utilizing their pi electrons in forming the coordinate bond. Also, metals can bind to the σ b...
PP (complexity class) PP compared to other complexity classes Probabilistic_polynomial-time > PP compared to other complexity classes PP includes BPP, since probabilistic algorithms described in the definition of BPP form a subset of those in the definition of PP. PP also includes NP. To prove this, we show that the NP...
Bloom syndrome protein Interactions Bloom_syndrome_protein > Interactions Bloom syndrome protein has been shown to interact with:
GaCl3 Complexes GaCl3 > Complexes Gallium is the lightest member of Group 13 to have a full d shell, (gallium has the electronic configuration 3d10 4s2 4p1) below the valence electrons that could take part in d-π bonding with ligands. The low oxidation state of Ga in Ga(III)Cl3, along with the low electronegativity an...
Inclusive Design Examples of inclusive design Inclusive_Design > Examples of inclusive design There are numerous examples of inclusive design that apply to interfaces and technology, consumer products, and infrastructure.
Markovian property History Transition_density > History Markov later used Markov chains to study the distribution of vowels in Eugene Onegin, written by Alexander Pushkin, and proved a central limit theorem for such chains.In 1912 Henri Poincaré studied Markov chains on finite groups with an aim to study card shuffling...
Chelate effect Chelate effect Chelation > Chelate effect The square brackets indicate concentration, and the subscripts to the stability constants, β, indicate the stoichiometry of the complex. When the analytical concentration of methylamine is twice that of ethylenediamine and the concentration of copper is the same ...
Thermoeconomics Thermodynamics Biophysical_economics > Thermodynamics "Rien ne se perd, rien ne se crée, tout se transforme" "Nothing is lost, nothing is created, everything is transformed." -Antoine Lavoisier, one of the fathers of chemistryThermoeconomists maintain that human economic systems can be modeled as thermo...
Antitubercular agent Treatment of MDR-TB Antituberculous_drug > Drug-resistance > Treatment of MDR-TB Mortality and morbidity in patients treated in non-specialist centres is significantly elevated compared to those patients treated in specialist centres. In addition to the obvious risks (e.g., known exposure to a pati...
HTML table Tables HTML_element > Document body elements > Tables The format of HTML Tables was proposed in the HTML 3.0 Drafts and the later RFC 1942 HTML Tables. They were inspired by the CALS Table Model. Some elements in these proposals were included in HTML 3.2; the present form of HTML Tables was standardized in H...
Lisp programming language Summary Lisp_programming_language It quickly became a favored programming language for artificial intelligence (AI) research. As one of the earliest programming languages, Lisp pioneered many ideas in computer science, including tree data structures, automatic storage management, dynamic typin...
Basal nuclei Eye movements Basal_nuclei > Function > Eye movements One intensively studied function of the basal ganglia is its role in controlling eye movements. Eye movement is influenced by an extensive network of brain regions that converges on a midbrain area called the superior colliculus (SC). The SC is a layere...
Small nucleolar RNA Me28S-Gm3255 Summary Small_nucleolar_RNA_Me28S-Gm3255 In molecular biology, Small nucleolar RNA Me28S-Gm3255 is a non-coding RNA (ncRNA) molecule which functions in the modification of other small nuclear RNAs (snRNAs). This type of modifying RNA is usually located in the nucleolus of the eukaryotic...
Copenhagen interpretation Principles Copenhagen_interpretation_of_quantum_mechanics > Principles Per the above point, the device used to observe a system must be described in classical language, while the system under observation is treated in quantum terms. This is a particularly subtle issue for which Bohr and Heisen...
Mersenne primes Theorems about Mersenne numbers Mersenne_numbers > Theorems about Mersenne numbers For example, 25 − 1 = 31 is prime, and 31 = 1 + 3 × (2 × 5). A composite example is 211 − 1 = 23 × 89, where 23 = 1 + (2 × 11) and 89 = 1 + 4 × (2 × 11). Proof: By Fermat's little theorem, q is a factor of 2q−1 − 1.
Solar pressure Compression in a uniform radiation field Radiation_Pressure > Theory > Compression in a uniform radiation field In general, the pressure of electromagnetic waves can be obtained from the vanishing of the trace of the electromagnetic stress tensor: since this trace equals 3P − u, we get where u is the rad...
Hodograph Meteorology Hodograph_transformation > Applications > Meteorology In meteorology, hodographs are used to plot winds from soundings of the Earth's atmosphere. It is a polar diagram where wind direction is indicated by the angle from the center axis and its strength by the distance from the center. In the figur...
Mechanical integrity Scope Mechanical_integrity > Scope These are used to build suitable inspection and condition monitoring forward strategies. The monitoring may include physical (pipes/vessels) and nonphysical systems (Management legal obligations). This diversity will depend upon the requirements of the task at han...
NADPH oxidase Reaction NADPH_oxidase > Reaction NADPH oxidase catalyzes the production of a superoxide free radical by transferring one electron to oxygen from NADPH.NADPH + 2O2 ↔ NADP+ + 2O−2 + H+
Rare gas Compounds Rare_gas > Chemical properties > Compounds This model, first proposed in 1951, considers bonding of three collinear atoms. For example, bonding in XeF2 is described by a set of three molecular orbitals (MOs) derived from p-orbitals on each atom. Bonding results from the combination of a filled p-orbi...
Eyeblink conditioning CS-US contingency Eyeblink_conditioning > CS-US contingency Other stimulus contingencies include backward conditioning, in which US comes before CS, and simultaneous conditioning, in which CS and US are presented at the same time. In any case, the time between CS onset and US onset is the intersti...
Groenewold's theorem Single particle systems Canonical_quantisation > First quantization > Single particle systems For example, the energy is read off by the Hamiltonian operator H ^ {\displaystyle {\hat {H}}} acting on a state | ψ n ⟩ {\displaystyle |\psi _{n}\rangle } , yielding where En is the characteristic energy ...
Competitive analysis (online algorithm) Summary Competitive_ratio For example, sorting an array of elements varies in difficulty depending on the initial order. Such data-dependent algorithms are analysed for average-case and worst-case data. Competitive analysis is a way of doing worst case analysis for on-line and ra...
Polarization controller Summary Polarization_controller A polarization controller is an optical device which allows one to modify the polarization state of light.
Gamma function Integration problems Euler_Gamma_Function > Applications > Integration problems It is of course frequently useful to take limits of integration other than 0 and ∞ to describe the cumulation of a finite process, in which case the ordinary gamma function is no longer a solution; the solution is then called...
Frozen orbit Background and motivation Frozen_orbit > Background and motivation For sun-synchronous spacecraft, intentional shifting of the orbit plane (called "precession") can be used for the benefit of the mission. For these missions, a near-circular orbit with an altitude of 600–900 km is used. An appropriate incli...
Multifocal diffractive lens Principle of operation Multifocal_diffractive_lens > Principle of operation An incident laser beam is deflected by grooved diffraction pattern into axial diffraction orders along its optical axis. The foci appear around the far field position. With an additional focusing lens, foci from mult...
Basket options Summary Basket_option A basket option is a financial derivative, more specifically an exotic option, whose underlying is a weighted sum or average of different assets that have been grouped together in a basket. A basket option is similar to an index option, where a number of stocks have been grouped tog...
Story arc Dramatic structure and purpose Story_arc > Dramatic structure and purpose The purpose of a story arc is to move a character or a situation from one state to another, in other words, to effect change. This change or transformation often takes the form of either a tragic fall from grace or a reversal of that pa...
Aliquot part Further notions and facts Aliquot_part > Further notions and facts A number that does not evenly divide n {\displaystyle n} but leaves a remainder is sometimes called an aliquant part of n {\displaystyle n} . An integer n > 1 {\displaystyle n>1} whose only proper divisor is 1 is called a prime number. Equi...
Power stealing Thermoelectrics Energy_harvesting_devices > Energy sources > Thermoelectrics The semiconductors are connected electrically in series and thermally in parallel. Miniature thermocouples have been developed that convert body heat into electricity and generate 40 μ W at 3 V with a 5-degree temperature gradie...
Acid mantle Summary Acid_mantle However the pH of the skin’s acid mantle is a broad range that depends on the condition of the skin and other estimates deem the range to be between 4.5 and 6.5 as slightly acidic. More recent research has challenged the proposed ranges. When healthy human skin has not had contact with s...
Periodic comet Summary Periodic_comet Periodic comets (also known as short-period comets) are comets with orbital periods of less than 200 years or that have been observed during more than a single perihelion passage (e.g. 153P/Ikeya–Zhang). "Periodic comet" is also sometimes used to mean any comet with a periodic orbi...
Glossary of aerospace engineering M Glossary_of_aerospace_engineering > M It is sometimes referred to as Lorentz Force Accelerator (LFA) or (mostly in Japan) MPD arcjet. Mass – is both a property of a physical body and a measure of its resistance to acceleration (rate of change of velocity with respect to time) when a ...
Turing Test The Alan Turing Year, and Turing100 in 2012 Imitation_game > Conferences > The Alan Turing Year, and Turing100 in 2012 Throughout 2012, a number of major events took place to celebrate Turing's life and scientific impact. The Turing100 group supported these events and also organised a special Turing test ev...
Control charts Chart usage Control_charts > Chart details > Chart usage This makes the control limits very important decision aids. The control limits provide information about the process behavior and have no intrinsic relationship to any specification targets or engineering tolerance. In practice, the process mean (a...
Electrolytic capacitor Lifetime Electrolytic_capacitors > Operational characteristics > Lifetime The lifetime, service life, load life or useful life of electrolytic capacitors is a special characteristic of non-solid aluminum electrolytic capacitors, whose liquid electrolyte can evaporate over time. Lowering the elect...
Pituitary apoplexy Treatment Pituitary_apoplexy > Treatment The first priority in suspected or confirmed pituitary apoplexy is stabilization of the circulatory system. Cortisol deficiency can cause severe low blood pressure. Depending on the severity of the illness, admission to a high dependency unit (HDU) may be requ...
Tree-depth Depth of trees and relation to treewidth Tree-depth > Depth of trees and relation to treewidth The same technique, applied to a tree decomposition of a graph, shows that, if the treewidth of an n {\displaystyle n} -vertex graph G {\displaystyle G} is t {\displaystyle t} , then the tree-depth of G {\displayst...
Vibration fatigue Vibration-fatigue methods Vibration_fatigue > Vibration-fatigue-life estimation > Vibration-fatigue methods The formulas for calculating such estimate are empirical (with very few exceptions) and are based on numerous simulations of random processes with known PSD. As a consequence, the accuracy of th...
NTFS links Summary NTFS_junction_point The NTFS file system defines various ways to redirect files and folders, e.g., to make a file point to another file or its contents without making a copy of it. The object being pointed to is called the target. Such file is called a hard or symbolic link depending on a way it's st...
Bra size Consumer measurement methods Bra_size > Consumer measurement methods Bra retailers recommend several methods for measuring band and cup size. These are based on two primary methods, either under the bust or over the bust, and sometimes both. Calculating the correct bra band size is complicated by a variety of ...
Ozone depletion and climate change Policy approach Ozone_depletion_and_climate_change > Policy approach There are both links and major differences between ozone depletion and global warming and the way the two challenges have been handled. While in the case of atmospheric ozone depletion, in a situation of high uncerta...
Fermat's theorem on sums of two squares Algorithm Fermat's_theorem_on_sums_of_two_squares > Algorithm The number of needed tests is of the order of p = exp ⁡ ( log ⁡ p 2 ) , {\displaystyle {\sqrt {p}}=\exp \left({\frac {\log p}{2}}\right),} and thus exponential in the input size. So the computational complexity of this...
Antiprotonic hydrogen Summary Protonium Protonium (symbol: Pn), also known as antiprotonic hydrogen, is a type of exotic atom in which a proton (symbol: p) and an antiproton (symbol: p) orbit each other. Since protonium is a bound system of a particle and its corresponding antiparticle, it is an example of a type of ex...
Molecular vibrations Internal coordinates Vibrational_transition > Vibrational coordinates > Internal coordinates Note that the H–C–C angles cannot be used as internal coordinates as well as the H-C-H angle because the angles at each carbon atom cannot all increase at the same time. Note that these coordinates do not c...
Split attention effect A visual example of split attention Split_attention_effect > A visual example of split attention The figure on the left side of the image produces the split-attention effect, while the figure on the right enhances learning because it guides the learner's attention through the worked example. Unin...
Nuclear magnetic resonance spectroscopy of stereoisomers Summary NMR_spectroscopy_of_stereoisomers Mosher's acid contains a -CF3 group, so if the adduct has no other fluorine atoms, the 19F NMR of a racemic mixture shows just two peaks, one for each stereoisomer. As with NMR spectroscopy in general, good resolution req...
Legendre transform Analytical mechanics Legendre_transform > Applications > Analytical mechanics A Legendre transform is used in classical mechanics to derive the Hamiltonian formulation from the Lagrangian formulation, and conversely. A typical Lagrangian has the form where ( v , q ) {\displaystyle (v,q)} are coordina...
Inner planets Orbits Outer_planet > Structure and composition > Orbits Kepler's laws only account for the influence of the Sun's gravity upon an orbiting body, not the gravitational pulls of different bodies upon each other. On a human time scale, these additional perturbations can be accounted for using numerical mode...
Energy-dispersive X-ray diffraction Summary Energy-dispersive_X-ray_diffraction Energy-dispersive X-ray diffraction (EDXRD) is an analytical technique for characterizing materials. It differs from conventional X-ray diffraction by using polychromatic photons as the source and is usually operated at a fixed angle. With ...
Spanner (distributed database technology) Features Spanner_(database) > Features Replication is synchronous and strongly consistent. Reads are strongly consistent and data is versioned to allow for stale reads: clients can read previous versions of data, subject to garbage collection windows. Supports a native SQL inte...
C3H5ClO Summary C3H5ClO The molecular formula C3H5ClO (molar mass: 92.52 g/mol, exact mass: 92.0029 u) may refer to: Chloroacetone, a colourless liquid with a pungent odour Epichlorohydrin, an organochlorine compound and an epoxide
Viscoelasticity Viscoelastic creep Viscoelasticity > Viscoelastic creep If, on the other hand, it is a viscoelastic solid, it may or may not fail depending on the applied stress versus the material's ultimate resistance. When the stress is maintained for a shorter time period, the material undergoes an initial strain u...
Data-flow diagram History Data-flow_diagram > History The DFD notation draws on graph theory, originally used in operational research to model workflow in organizations. DFD originated from the activity diagram used in the structured analysis and design technique methodology at the end of the 1970s. DFD popularizers in...
Weak reference Uses Weak_reference > Uses Weak references have a number of common uses. When using reference counting garbage collection, weak references can break reference cycles, by using a weak reference for a link in the cycle. When one has an associative array (mapping, hash map) whose keys are (references to) ob...
North Atlantic Deep Water Formation and sources North_Atlantic_Deep_Water > Formation and sources Eddies of cold less saline ULSW have similar densities of warmer saltier water and flow along the DWBC, but maintain their high CFCs. The ULSW eddies erode rapidly as they mix laterally with this warmer saltier water.The l...
Run-time algorithm specialization Specialization with compilation Run-time_algorithm_specialisation > Specialization with compilation In C or C++ we can use a switch statement to associate some actions with different instruction tags. Modern compilers usually compile a switch statement with integer labels from a narrow...
Planetary habitability in the Solar System Earth Planetary_habitability_in_the_Solar_System > Earth The atmosphere of Earth also plays an important role. The ozone layer protects the planet from the harmful radiations from the sun, and free oxygen is abundant enough for the breathing needs of terrestrial life. Earth's ...
C Sharp language Portability C_Sharp_language > Distinguishing features > Portability By design, C# is the programming language that most directly reflects the underlying Common Language Infrastructure (CLI). Most of its intrinsic types correspond to value-types implemented by the CLI framework. However, the language s...
Cosocle Summary Cosocle In mathematics, the term cosocle (socle meaning pedestal in French) has several related meanings. In group theory, a cosocle of a group G, denoted by Cosoc(G), is the intersection of all maximal normal subgroups of G. If G is a quasisimple group, then Cosoc(G) = Z(G).In the context of Lie algebr...
Lawn mowers Gasoline (petrol) Lawn_mowing > Types > By energy source > Gasoline (petrol) The engines usually have a carburetor and require a manual pull crank to start them, although an electric starter is offered on some models, particularly large riding and commercial mowers. Some mowers have a throttle control on th...
Linnett Double-Quartet Theory Example: excited states of acetylene Linnett_Double-Quartet_Theory > Theoretical description of excited states > Example: excited states of acetylene Most strikingly, the molecule changes its geometry upon excitation, going from a simple linear symmetry to a trans-bent structure. This is i...
Audio crossover capacitor Passive Audio_crossover > Classification > Classification based on components > Passive A passive crossover splits up an audio signal after it is amplified by a single power amplifier, so that the amplified signal can be sent to two or more driver types, each of which cover different frequency...
Dental brace Fitting procedure Dental_Braces > Fitting procedure Directly bonded molar tubes are associated with a higher failure rate when compared to molar bands cemented with glass ionomer cement. Failure of orthodontic brackets, bonded tubes or bands will increase the overall treatment time for the patient. There i...
Fundamental physical constants External articles Dimensionless_physical_constant > External articles S2CID 113017. Olive, Keith A.; Pospelov, Maxim; Qian, Yong-Zhong; Coc, Alain; Cassé, Michel; Vangioni-Flam, Elisabeth (2002-08-23). "Constraints on the variations of the fundamental couplings".
Node graph architecture Visual Programming Debate Node_graph_architecture > Visual Programming Debate Node graphs are a subset of the broader class of visual programming languages. Node graphs allow you to design programs in a visual and structured way instead of through the authoring of source code. In the film and vi...
Painlevé paradox Physical realizations Painlevé_paradox > Physical realizations A common demonstration of the paradox is the "bouncing" of chalk when forced to slide across a blackboard. Since the Painlevé paradoxes are based on a mechanical model of Coulomb friction, where the calculated friction force can have multip...
Concurrent constraint logic programming Description Concurrent_constraint_logic_programming > Description A second effect of the difference between the non-concurrent and the concurrent version is that concurrent constraint logic programming is specifically designed to allow processes to run without terminating. Non-te...
Lowell Schoenfeld Contributions Lowell_Schoenfeld > Contributions Schoenfeld is known for obtaining the following results in 1976, assuming the Riemann hypothesis: | π ( x ) − l i ( x ) | ≤ x ln ⁡ x 8 π {\displaystyle |\pi (x)-{\rm {li}}(x)|\leq {\frac {{\sqrt {x}}\,\ln x}{8\pi }}} for all x ≥ 2657, based on the prime-...
Francoise Baylis Select research publications Francoise_Baylis > Select research publications Journal of Medical Ethics. 33 (12): 726–731. doi:10.1136/jme.2007.022129.
Chemical symbol Daltonian symbols Atomic_symbol > Symbols and names not currently used > Daltonian symbols The following symbols were employed by John Dalton in the early 1800s as the periodic table of elements was being formulated. Not included in this list are substances now known to be compounds, such as certain rar...
Pointer jumping List ranking Pointer_jumping > List ranking It is assumed, as in common in the PRAM model of computation, that memory access are performed in lock-step, so that each n.next.next memory fetch is performed before each n.next memory store; otherwise, processors may clobber each other's data, producing inco...
Direct visual feedback Summary Direct_visual_feedback Instead of using technically advanced measuring instruments for feedback, DVF relies on the human eye. One method that has been used to test DVF is by placing a laser beam on the hand and connecting it to a monitor, when the trainee raises his arm from waist height ...
Quantum finite automata Informal description Quantum_finite_automaton > Informal description Another generalization that should be immediately apparent is to use a stochastic matrix for the transition matrices, and a probability vector for the state; this gives a probabilistic finite automaton. The entries in the state...
Mir-96 microRNA Summary Mir-96_microRNA Heterozygous mice and humans progressively lose the ability to hear. Five genes, of 132 predicted targets, have been experimentally validated as targets of miR-96: Aqp5, Celsr2, Myrip, Odf2 and Ryk.Microarray analysis of 4-day old wildtype and mutant mice showed that in the 3′ UT...
Sintering Mechanical equilibrium Pressureless_sintering > Densification, vitrification and grain growth > Grain growth > Mechanical equilibrium As smaller particles tend to have a higher radius of curvature and this results in smaller grains losing atoms to larger grains and shrinking. This is a process called Ostwald ...
Tension-type headache Stress Tension_headaches > Mechanism > Stress In the literature, stress is mentioned as a factor and may be implicated via the adrenal axis. This ultimately results in downstream activation of NMDA receptor activation, NFκB activation, and upregulation of iNOS with subsequent production of NO lead...
Group 1 element Atomic and ionic radii Alkaline_metal > Periodic trends > Atomic and ionic radii The atomic radii of the alkali metals increase going down the group. Because of the shielding effect, when an atom has more than one electron shell, each electron feels electric repulsion from the other electrons as well as...
John Edensor Littlewood Work John_Edensor_Littlewood > Work Most of Littlewood's work was in the field of mathematical analysis. He began research under the supervision of Ernest William Barnes, who suggested that he attempt to prove the Riemann hypothesis: Littlewood showed that if the Riemann hypothesis is true, then...