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Pressure Exchanger Reverse osmosis Pressure_Exchanger > Reverse osmosis Pressure exchangers save energy in these systems by reducing the load on the high pressure pump. In a seawater RO system operating at a 40% membrane water recovery rate, the ERD supplies 60% of the membrane feed flow. Energy is consumed by the circ...
208 (number) Summary 208_(number) 208 (two hundred eight) is the natural number following 207 and preceding 209. 208 is a practical number, a tetranacci number, a rhombic matchstick number, a happy number, and a member of Aronson's sequence. There are exactly 208 five-bead necklaces drawn from a set of beads with four...
Quasi-experiment Design Quasi-experiment > Design Then the actual experiment is done with post test results recorded. This data can be compared as part of the study or the pre-test data can be included in an explanation for the actual experimental data. Quasi experiments have independent variables that already exist su...
Paraffin oxidation Mechanism Paraffin_oxidation > Mechanism This produces, among other things, an alkyl radical, which forms with oxygen peroxo radikals. This forms by abstraction of a hydrogen atom from another molecule paraffin a new alkyl radical and a hydroperoxide. The mechanism of the reaction follows the followi...
Microwave power meter Thermal Microwave_power_meter > Sensor technologies > Thermal Thermocouple sensors often require a reference DC or microwave power source for calibration before measuring; this can be built into the power meter. Thermistor-based power sensors such as the Keysight 8478B are generally only used in s...
Method of moments (statistics) Summary Method_of_moments_(statistics) The number of such equations is the same as the number of parameters to be estimated. Those equations are then solved for the parameters of interest. The solutions are estimates of those parameters. The method of moments was introduced by Pafnuty Che...
Laplace transforms s-domain equivalent circuits and impedances Laplace_transforms > s-domain equivalent circuits and impedances The sources are put in if there are initial conditions on the circuit elements. For example, if a capacitor has an initial voltage across it, or if the inductor has an initial current through ...
Immune network theory Relevance for understanding HIV pathogenesis Immune_network_theory > Relevance for understanding HIV pathogenesis At that point, the adaptive immune system is completely compromised and AIDS ensues. Hence in this model, the onset of AIDS is primarily an auto-immune reaction triggered by the cross-...
Cohomology Axioms and generalized cohomology theories Cohomology > Axioms and generalized cohomology theories In more detail, a generalized cohomology theory is a sequence of contravariant functors hi (for integers i) from the category of CW-pairs to the category of abelian groups, together with a natural transformatio...
Seasonal flu Notable occurrences Seasonal_flu > Notable occurrences Seasonal epidemics of influenza can be severe. Some can even rival pandemics in terms of excess mortality. In fact, it is not so much mortality that distinguishes seasonal epidemics from pandemics but rather the extent to which the disease has spread, ...
Solar Electric Light Fund Expanding Services Solar_Electric_Light_Fund > History > Expanding Services Beginning in 2000, SELF embarked on its next generation of projects that would seek to harness solar energy for things such as advancing water pumping and purification, purveying electrification to rural schools and he...
Prosecutor's fallacy Findings in psychology Prosecutor's_fallacy > Findings in psychology Using natural frequencies simplifies the inference because the required mathematical operation can be performed on natural numbers, instead of normalized fractions (i.e., probabilities), because it makes the high number of false p...
Web3 Concept Web3 > Concept Specific visions for Web3 differ, and the term has been described by Olga Kharif as "hazy", but they revolve around the idea of decentralization and often incorporate blockchain technologies, such as various cryptocurrencies and non-fungible tokens (NFTs). Kharif has described Web3 as an ide...
Energy harvesting devices Photovoltaic Power_stealing > Energy sources > Photovoltaic The dyes absorb light much like chlorophyll does in plants. Electrons released on impact escape to the layer of TiO2 and from there diffuse, through the electrolyte, as the dye can be tuned to the visible spectrum much higher power ca...
Ground level ozone Formation Ground_level_ozone > Formation The majority of tropospheric ozone formation occurs when nitrogen oxides (NOx), carbon monoxide (CO), and volatile organic compounds (VOCs), react in the atmosphere in the presence of sunlight, specifically the UV spectrum. NOx, CO, and VOCs are considered ozo...
Gliding ant Summary Gliding_ant The ant will first randomly descend 3 or 4 metres (10 or 13 ft) in free fall, then visually lock on to the tree trunk it wishes to land on. The glide ant then, while exhibiting a sort of parachuting behaviour to slow its fall, uses its flattened head, hind legs and abdomen like wings or ...
Cholesterol 7α-hydroxylase Specificity Cholesterol_7_alpha-hydroxylase > Enzymatic mechanism > Specificity One feature of enzymes is their high specificity. They are specific on a singular substrate, reaction or both together, that means, that the enzymes can catalyze all reactions wherein the substrate can experience....
Eikonal equation Mathematical description Eikonal_equation > Mathematical description In the geometrical optics case, this means that wavefronts cross. We can solve the eikonal equation using the method of characteristics. One must impose the "non-characteristic" hypothesis ∂ p 1 H ( x , p ) ≠ 0 {\displaystyle \partial...
Entropy (order and disorder) Overview Entropy_(order_and_disorder) > Overview Similarly, in a gas, the order is perfect and the measure of entropy of the system has its lowest value when all the molecules are in one place, whereas when more points are occupied the gas is all the more disorderly and the measure of the e...
Factorial number system Definition Factorial_number_system > Definition + 1×1! + 0×0! = ((((3×5 + 4)×4 + 1)×3 + 0)×2 + 1)×1 + 0 = 46310.
Signal (software) Features Signal_(software) > Features The platform also supports group messaging. All communication sessions between Signal users are automatically end-to-end encrypted (the encryption keys are generated and stored on the devices, and not on servers). To verify that a correspondent is really the perso...
Walrasian equilibrium Indivisible items Walrasian_equilibrium > Examples > Indivisible items In this case it is more difficult to find an equilibrium (see below). A possible equilibrium is that Alice buys the horse for 5 and Bob buys the car for 7. This is an equilibrium since Bob wouldn't like to pay 5 for the horse w...
Turbofan engine Geared fan Turbofan_engine > Turbofan configurations > Geared fan As bypass ratio increases, the fan blade tip speed increases relative to the LPT blade speed. This will reduce the LPT blade speed, requiring more turbine stages to extract enough energy to drive the fan. Introducing a (planetary) reducti...
Saturated set Properties Saturated_set > Properties {\displaystyle X.} If Y {\displaystyle Y} is also a topological space then f: ( X , τ ) → Y {\displaystyle f:(X,\tau )\to Y} is continuous (respectively, a quotient map) if and only if the same is true of f: ( X , τ f ) → Y . {\displaystyle f:\left(X,\tau _{f}\right)\...
Jefimenko's equations Heaviside–Feynman formula Jefimenko's_equations > Heaviside–Feynman formula The formula provides a natural generalization of the Coulomb's law for cases where the source charge is moving: E = − q 4 π ε 0 {\displaystyle \mathbf {E} ={\frac {-q}{4\pi \varepsilon _{0}}}\left} Here, E {\displaystyle ...
Implant induction welding of thermoplastics Equipment Implant_induction_welding_of_thermoplastics > Welding Process > Equipment An induction generator is used to produce high frequency current in the range of 2-10 Mhz. The range used is regulated by the FCC to avoid interference with broadcast signals. An induction coi...
Small nucleolar RNA SNORD103 Summary Small_nucleolar_RNA_SNORD103 In molecular biology, snoRNA U103 (also known as SNORD103) 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 cel...
Negative resistance Operation Negative_resistance > Operation One way in which the different types of resistance can be distinguished is in the directions of current and electric power between a circuit and an electronic component. The illustrations below, with a rectangle representing the component attached to a circu...
Fundamental thermodynamic relation Relationship to statistical mechanics Fundamental_thermodynamic_relation > Relationship to statistical mechanics The fundamental thermodynamic relation and statistical mechanical principles can be derived from one another.
Water-gas shift reaction Thermodynamics Water–gas_shift_reaction > Mechanism > Thermodynamics The WGSR is exergonic, with the following thermodynamic parameters at room temperature (298 K): In aqueous solution, the reaction is less exergonic.
Selective glucocorticoid receptor agonists Potential applications Selective_glucocorticoid_receptor_modulator > Potential applications In chronic inflammatory diseases like atopic dermatitis (skin), rheumatoid arthritis (joints),..., the side effects of corticosteroids are problematic because of the necessary long-term...
Type 1 innate lymphoid cell Tumor microenvironment LTi_cells > Function > Tumor microenvironment If successful, the recruitment of these cells will kill the tumorigenic cells, however in some cases, IFN-γ and TNF-α can play a role in the induction of immunosuppressive immune cells, such as MDSCs, and therefore anti-inf...
RNA Tie Club Background RNA_Tie_Club > History > Background In 1953, English biophysicist Francis Crick and American biologist James Watson, working together at the Cavendish Laboratory of the University of Cambridge, described correctly of the structure of DNA, the principal genetic materials in organisms, and based o...
New Breeding Techniques Methods involved New_Breeding_Techniques > Methods involved New breeding techniques (NBTs) make specific changes within plant DNA in order to change its traits, and these modifications can vary in scale from altering single base, to inserting or removing one or more genes. The various methods of...
Colon cancer Histopathology Colorectal_cancer > Diagnosis > Histopathology The histopathologic characteristics of the tumor are reported from the analysis of tissue taken from a biopsy or surgery. A pathology report contains a description of the microscopical characteristics of the tumor tissue, including both tumor ce...
Apache Wave Summary Google_Wave Google Wave, later known as Apache Wave, was a software framework for real-time collaborative editing online. Originally developed by Google and announced on May 28, 2009, it was renamed to Apache Wave when the project was adopted by the Apache Software Foundation as an incubator project...
Quantum algorithms Hybrid quantum/classical algorithms Quantum_algorithm > Hybrid quantum/classical algorithms Hybrid Quantum/Classical Algorithms combine quantum state preparation and measurement with classical optimization. These algorithms generally aim to determine the ground state eigenvector and eigenvalue of a H...
Transitive reduction Computing the reduction in sparse graphs Transitive_reduction > Computational complexity > Computing the reduction in sparse graphs When measured both in terms of the number n of vertices and the number m of edges in a directed acyclic graph, transitive reductions can also be found in time O(nm), a...
Ribosome shunting Ribosome shunt in Adenovirus Ribosome_shunting > Ribosome shunt in Adenovirus The mechanism for ribosome shunt involves the larger subunit binding upstream of the start codon. The polymerase is then able to leapfrog using protein binding and a power stroke to bypass the start codon on the coding mRNA....
Direct function Dfns versus tradfns Direct_function > Dfns versus tradfns A dfn is handier than a tradfn as an operand (see preceding items: a tradfn must be named; a tradfn is named by embedding ...). Names assigned in a dfn are local by default; names assigned in a tradfn are global unless specified in a locals list.
Information based complexity Brief history Information-based_complexity > Brief history This research was published in the 1964 monograph Iterative Methods for the Solution of Equations. The general setting for information-based complexity was formulated by Traub and Woźniakowski in 1980 in A General Theory of Optimal ...
Linear predictor function Linear regression Linear_predictor_function > Linear regression An example of the usage of a linear predictor function is in linear regression, where each data point is associated with a continuous outcome yi, and the relationship written y i = f ( i ) + ε i = β T x i + ε i , {\displaystyle y_...
Spectroradiometer Incorrect settings Spectroradiometer > Definitions > Incorrect settings Other things being equal, the Signal-to-Noise Ratio (SNR) of the collected spectra improves by the square root of the number N of scans averaged. For example, if 16 spectral scans are averaged, the SNR is improved by a factor of 4...
Amphetamine-type stimulant Psychosis Amphetamine_type_stimulant > Adverse effects > Psychosis Though some believed that the ATS-induced psychosis cannot be distinguished from schizophrenia, delusions of persecution are often reported as a characteristic of ATS-induced psychosis.The duration of ATS-induced psychosis has...
Info-gap decision theory Generic models Info-gap_decision_theory > Classical decision theory perspective > Maximin/Minimin: playing robustness/opportuneness games with Nature > Generic models The basic conceptual framework that classical decision theory provides for dealing with uncertainty is that of a two-player game...
Rock microstructure Spherulites Rock_microstructure > Igneous microstructure > Spherulites Spherulitic texture is the result of cooling and nucleation of material in a magma which has achieved supersaturation in the crystal component. Thus it is often a subsolidus process in supercooler felsic rocks. Often, two mineral...
Thought collective Genesis and Development of a Scientific Fact Thought_collective > Genesis and Development of a Scientific Fact These common concepts and practices both provide a shared language of science within which they can communicate, and consequently limit the possibilities of thought that the researchers can ...
Global concurrency control Serializability Concurrency_control > Concurrency control in databases > Major goals of concurrency control mechanisms > Correctness > Serializability Serializability is considered the highest level of isolation among database transactions, and the major correctness criterion for concurrent t...
Gene expression profiling in cancer Summary Gene_expression_profiling_in_cancer Cancer is a category of disease characterized by uncontrolled cell growth and proliferation. For cancer to develop, genes regulating cell growth and differentiation must be altered; these mutations are then maintained through subsequent cel...
Data classification (data management) Summary Data_classification_(data_management) In the field of data management, data classification as a part of the Information Lifecycle Management (ILM) process can be defined as a tool for categorization of data to enable/help organizations to effectively answer the following qu...
Piecewise-constant valuation Generalization Piecewise-uniform_valuation > Generalization A piecewise-linear valuation is a generalization of piecewise-constant valuation in which the value-density in each region j is a linear function, ajx+bj (piecewise-constant corresponds to the special case in which aj=0 for all j)....
Launching gantry Operation and design Launching_gantry > Operation and design Each trolley is equipped with two winches: a main winch to suspend the load, and a translation winch to move the trolley along the girders. : 38–39 When bridge segments (or bridge girders) are delivered at the ground level, the launching gant...
Comparison of reference management software General Comparison_of_reference_management_software > General In the "notes" section, there is a difference between: web-based, referring to applications that may be installed on a web server (usually requiring MySQL or another database and PHP, Perl, Python, or some other la...
Philosophic burden of proof In statistics Philosophic_burden_of_proof > Application > In statistics In inferential statistics, the null hypothesis is a general statement or default position that there is no relationship between two measured phenomena, or no association among groups. Rejecting or disproving the null hyp...
Charles Babbage "Babbage principle" Charles_Babbage > Academic > On the Economy of Machinery and Manufactures > "Babbage principle" The term was introduced in 1974 by Harry Braverman. Related formulations are the "principle of multiples" of Philip Sargant Florence, and the "balance of processes".What Babbage remarked i...
Quantum theory of information Quantum information processing Quantum_information_theory > Quantum information processing Quantum information can be moved about, in a quantum channel, analogous to the concept of a classical communications channel. Quantum messages have a finite size, measured in qubits; quantum channels...
Strauss–Howe generational theory Timing of generations and turnings Strauss–Howe_generational_theory > Timing of generations and turnings According to Strauss and Howe, however, this is not the case. As long as the transition to adulthood occurs around age 20, the transition to midlife around age 40, and the transition...
Phenotypic integration Evolution of Phenotypic Integration Phenotypic_integration > Evolution of Phenotypic Integration Even if selection favors the correlations, it will not be maintained unless those conditions are met. Selection will favor tight linkage because it is maintained better. Poorly linked genetic correlat...
Complex Network Summary Complex_Network In the context of network theory, a complex network is a graph (network) with non-trivial topological features—features that do not occur in simple networks such as lattices or random graphs but often occur in networks representing real systems. The study of complex networks is a...
John Derbyshire Mathematics John_Derbyshire > Career > Mathematics Derbyshire's book Prime Obsession: Bernhard Riemann and the Greatest Unsolved Problem in Mathematics was first published in hardcover in 2003 and then paperback in 2004. It focuses on the Riemann hypothesis, one of the Millennium Problems. The book is a...
Industrial scale General and cited references Economies_of_scale > References > General and cited references Repr. in Kurz, H.D. ; Salvadori, N.
Glossary of experimental design Glossary Glossary_of_experimental_design > Glossary Alias: When the estimate of an effect also includes the influence of one or more other effects (usually high order interactions) the effects are said to be aliased (see confounding). For example, if the estimate of effect D in a four fa...
Spatiotemporal Epidemiological Modeler Summary Spatiotemporal_Epidemiological_Modeler The nodes in the graph correspond to places or regions, and the edges in the graph describe relationships or connections between regions. Both the nodes and the edges can be labeled or "decorated" with a variety of denominator data an...
Endothelial Cell Tropism Coronaviruses Cell_tropism > Examples and effects on viral pathogenesis > Coronaviruses SARS-CoV-2 is the virus that causes the disease COVID-19 and infects different cell types, but also has shown multi-organ vascular involvement. In severe cases, SARS-CoV-2 can cause endothelial dysfunction o...
Matrix element (physics) Summary Matrix_element_(physics) In physics, particularly in quantum perturbation theory, the matrix element refers to the linear operator of a modified Hamiltonian using Dirac notation. The matrix element considers the effect of the newly modified Hamiltonian (i.e. the linear superposition of ...
3 Mathematics 3 > Mathematics 3 is the number of non-collinear points needed to determine a plane, a circle, and a parabola. Three is the only prime which is one less than a perfect square. Any other number which is n 2 {\displaystyle n^{2}} − 1 for some integer n {\displaystyle n} is not prime, since it is ( n {\displ...
Point mutation Causes Nucleotide_substitution > Causes Point mutations usually take place during DNA replication. DNA replication occurs when one double-stranded DNA molecule creates two single strands of DNA, each of which is a template for the creation of the complementary strand. A single point mutation can change t...
Chain Rule Further generalizations Chain_Rule > Further generalizations It associates to each space a new space and to each function between two spaces a new function between the corresponding new spaces. In each of the above cases, the functor sends each space to its tangent bundle and it sends each function to its de...
Gene regulatory network Summary Genetic_pathway Thus a yeast cell, finding itself in a sugar solution, will turn on genes to make enzymes that process the sugar to alcohol. This process, which we associate with wine-making, is how the yeast cell makes its living, gaining energy to multiply, which under normal circumsta...
Temperature-responsive polymers Thermoreversible materials Temperature-responsive_polymer > Applications > Thermoresponsive gels > Thermoreversible materials Some thermoreversible gels are used in biomedicine. For instance, hydrogels made of proteins are used as scaffolds in knee replacement. In baking, thermoreversibl...
Hyperbolic PDE Summary Hyperbolic_PDE In mathematics, a hyperbolic partial differential equation of order n {\displaystyle n} is a partial differential equation (PDE) that, roughly speaking, has a well-posed initial value problem for the first n − 1 {\displaystyle n-1} derivatives. More precisely, the Cauchy problem ca...
Amylose Function Amylose > Function Hence, a common test is the iodine test for starch. Mix starch with a small amount of yellow iodine solution. In the presence of amylose, a blue-black color will be observed.
Optical decay Deformed vacuum Optical_decay > Deformed vacuum The decay rate can be affected by the distortion of uniform density of states of photons, due, for example, an external cavity or a nanofiber located in vicinity of the atom or by simply placing the system near a dielectric or metallic boundary. == Reference...
Non-linear dynamics Ergodic systems Non-linear_dynamical_system > Ergodic systems In many dynamical systems, it is possible to choose the coordinates of the system so that the volume (really a ν-dimensional volume) in phase space is invariant. This happens for mechanical systems derived from Newton's laws as long as th...
Electron-on-Helium Qubit History of electrons on helium Electron-on-Helium_Qubit > History of electrons on helium As a result, the electron remains trapped outside the liquid. The energy of the electron in this potential well is quantised in a Hydrogen-like series with the modified Rydberg constant RHe ≈ {\displaystyle...
Indium Chemical Indium > Properties > Chemical Indium has 49 electrons, with an electronic configuration of 4d105s25p1. In compounds, indium most commonly donates the three outermost electrons to become indium(III), In3+. In some cases, the pair of 5s-electrons are not donated, resulting in indium(I), In+. The stabiliz...
Eigenvalue, eigenvector, and eigenspace Eigenspaces, geometric multiplicity, and the eigenbasis for matrices Spectral_properties > Eigenvalues and eigenvectors of matrices > Eigenspaces, geometric multiplicity, and the eigenbasis for matrices As long as u + v and αv are not zero, they are also eigenvectors of A associa...
Cardiac tamponade Differential diagnosis Pericardial_tamponade > Diagnosis > Differential diagnosis Initial diagnosis of cardiac tamponade can be challenging, as there is a broad differential diagnosis. The differential includes possible diagnoses based on symptoms, time course, mechanism of injury, patient history. Ra...
Pose tracking Magnetic tracking Pose_tracking > Magnetic tracking Magnetic tracking (or electromagnetic tracking) is based on the same principle as a theremin. It relies on measuring the intensity of inhomogenous magnetic fields with electromagnetic sensors. A base station, often referred to as the system's transmitter...
ARTAS Unit groups ARTAS > Unit groups Four groups of main functions are implemented in an ARTAS Unit: The TRACKER processes the sensor input data to maintain a real-time air situation, represented in a Track Data Base. The SERVER performs the Track and Sensor Information Services i.e. the management of all requests fro...
Oblique illumination Sub-diffraction techniques Laser_microscopy > Optical microscopy > Sub-diffraction techniques A multitude of super-resolution microscopy techniques have been developed in recent times which circumvent the diffraction limit. This is mostly achieved by imaging a sufficiently static sample multiple ti...
Distal renal tubular acidosis Diagnosis Distal_renal_tubular_acidosis > Diagnosis The pH of patient's blood is highly variable, and acidemia is not necessarily characteristic of people with dRTA at any given time. One may have dRTA caused by alpha intercalated cell failure without necessarily being acidemic; termed inc...
Pancreatic cancer Surgery Pancreatic_cancer > Management > Exocrine cancer > Surgery Surgery with the intention of a cure is only possible in around one-fifth (20%) of new cases. Although CT scans help, in practice it can be difficult to determine whether the tumor can be fully removed (its "resectability"), and it may...
Binding pocket Approximation of the reactant Catalytic_site > Mechanisms involved in Catalytic process > Approximation of the reactant In the end, the active site may manipulate the Molecular orbital of the substrate into a suitable orientation to reduce activation energy. : 155–8 The electrostatic states of substrate ...
Launching gantry Operation and design Launching_gantry > Operation and design When launching, the forward end of the machine is supported (on sliding rails) by a strut lowered onto a bridge support column, while the truck for that end hangs off the gantry backbone with no support from beneath. Once the gantry straddles...
Natural refrigerant Noble gases as refrigerants Natural_refrigerant > Refrigerants > Noble gases as refrigerants The noble gases are rarely used as refrigerants. The primary uses of noble gases as refrigerants is in liquid super coolant experimental systems in laboratories or in superconductors. This specifically appli...
Completely randomized design Example Completely_randomized_design > Example A typical example of a completely randomized design is the following: k = 1 factor (X1) L = 4 levels of that single factor (called "1", "2", "3", and "4") n = 3 replications per level N = 4 levels × 3 replications per level = 12 runs
Man-Computer Symbiosis Parts of the work Man-Computer_Symbiosis > Parts of the work The work shows the following contents:
Language identification in the limit Finite elasticity Language_identification_in_the_limit > Sufficient conditions for learnability > Finite elasticity . . , s n − 1 } {\displaystyle \{s_{1},...,s_{n-1}\}} .It is shown that a class of recursively enumerable languages is learnable in the limit if it has finite elastici...
List of textbooks on classical mechanics and quantum mechanics Classical mechanics List_of_textbooks_on_classical_mechanics_and_quantum_mechanics > Advanced undergraduate and graduate > Classical mechanics ISBN 0-7506-2896-0. Marsden, J. E.; Ratiu, T. S. (1999).
Mechanical vibration Resonance causes Mechanical_vibration > Analysis > Forced vibration with damping > Resonance causes Applying a force to the mass and spring is similar to pushing a child on swing, a push is needed at the correct moment to make the swing get higher and higher. As in the case of the swing, the force ...
Cache memory Buffer vs. cache Write_through_cache > Buffer vs. cache The semantics of a "buffer" and a "cache" are not totally different; even so, there are fundamental differences in intent between the process of caching and the process of buffering. Fundamentally, caching realizes a performance increase for transfers...
Dental antibiotic prophylaxis Summary Dental_antibiotic_prophylaxis Dental antibiotic prophylaxis is the administration of antibiotics to a dental patient for prevention of harmful consequences of bacteremia, that may be caused by invasion of the oral flora into an injured gingival or peri-apical vessel during dental t...
Thermodynamic laws Summary Thermodynamic_laws A common corollary of the statement is that heat does not spontaneously pass from a colder body to a warmer body. The third law of thermodynamics states that a system's entropy approaches a constant value as the temperature approaches absolute zero. With the exception of no...
Binary search Performance Binary_search_algorithm > Performance The comparison tree representing binary search has the fewest levels possible as every level above the lowest level of the tree is filled completely. Otherwise, the search algorithm can eliminate few elements in an iteration, increasing the number of itera...
Airport security Process and equipment Airport_security > Process and equipment These detect volatile compounds given off from explosives using gas chromatography.Computed tomography and walk-through body scanning (Thz radiation) may also be done. Artificial intelligence systems are also being used, for example for tra...
Structure of DNA Base pairing Sense_and_antisense > Properties > Base pairing The two strands of DNA in a double helix can thus be pulled apart like a zipper, either by a mechanical force or high temperature. As a result of this base pair complementarity, all the information in the double-stranded sequence of a DNA hel...
Partial fraction Summary Partial_fractions_in_integration In algebra, the partial fraction decomposition or partial fraction expansion of a rational fraction (that is, a fraction such that the numerator and the denominator are both polynomials) is an operation that consists of expressing the fraction as a sum of a poly...
Tennessine Atomic and physical Tennessine > Predicted properties > Atomic and physical In tennessine atoms, this lowers the 7s and the 7p electron energy levels, stabilizing the corresponding electrons, although two of the 7p electron energy levels are more stabilized than the other four. The stabilization of the 7s el...
TORQUE Feature set TORQUE > Feature set TORQUE provides enhancements over standard OpenPBS in the following areas: Fault Tolerance Additional failure conditions checked/handled Node health check script support Scheduling Interface Extended query interface providing the scheduler with additional and more accurate inform...