page_content stringlengths 51 3.15k |
|---|
Sectional chart Summary Sectional_chart In United States aviation, a sectional aeronautical chart, often called a sectional chart or a sectional for short, is a type of aeronautical chart designed for air navigation under visual flight rules (VFR). In Australia, Canada and some other countries, the equivalent charts us... |
Pythagorean triangle The Platonic sequence Pythagorean_triple > Special cases and related equations > The Platonic sequence 380 BC): side a: side b = ( a 2 ) 2 − 1: side c = ( a 2 ) 2 + 1 {\displaystyle {\text{side }}a:{\text{side }}b=\left({a \over 2}\right)^{2}-1:{\text{side }}c=\left({a \over 2}\right)^{2}+1} It can... |
Knowledge gap hypothesis Hypothesis operationalization and initial support Knowledge_gap_hypothesis > Hypothesis operationalization and initial support The knowledge gap hypothesis can be operationalized both for cross-sectional and time-series appropriate research. For cross-sectional research, the knowledge gap hypot... |
Impact of the COVID-19 pandemic on people with disabilities Social Impact_of_the_COVID-19_pandemic_on_people_with_disabilities > Impact > Social Children with disabilities are at higher risk of contracting COVID-19 and developing serious complications from the disease. They may not be able to adequately socially distan... |
Available energy Summary Exergy These benefits include the basis for determining energy quality (or exergy content), enhancing the understanding of fundamental physical phenomena, and improving design, performance evaluation and optimization efforts. In thermodynamics, the exergy of a system is the maximum useful work ... |
Littoral drift Summary Littoral_drift This process is called "beach drift", but some workers regard it as simply part of "longshore drift" because of the overall movement of sand parallel to the coast. Longshore drift affects numerous sediment sizes as it works in slightly different ways depending on the sediment (e.g.... |
Forensic epidemiology Hill viewpoints Forensic_epidemiology > Methods and principles > Causal methodology > Hill viewpoints While useful when assessing a previously unexplored association, there is no combination or minimal number of these criteria that must be met in order to conclude that a plausible relationship exi... |
3-D rendering Reflection and shading models 3-D_rendering > Reflection and shading models Models of reflection/scattering and shading are used to describe the appearance of a surface. Although these issues may seem like problems all on their own, they are studied almost exclusively within the context of rendering. Mode... |
Leucine-responsive regulatory protein Summary Leucine-responsive_regulatory_protein Leucine responsive protein, or Lrp, is a global regulator protein, meaning that it regulates the biosynthesis of leucine, as well as the other branched-chain amino acids, valine and isoleucine. In bacteria, it is encoded by the lrp gene... |
Automated decision Law Automated_decision-making > Applications > Law In legal systems around the world, algorithmic tools such as risk assessment instruments (RAI), are being used to supplement or replace the human judgment of judges, civil servants and police officers in many contexts. In the United States RAI are be... |
Open energy system models OSeMOSYS Open_energy_system_models > Energy system models > OSeMOSYS These resources are not limited to energy commodities and may include, for example, water and land-use. This enables OSeMOSYS to be applied in domains other than energy, such as water systems. Technical constraints, economic ... |
Wang and Landau algorithm Wang and Landau molecular dynamics: Statistical Temperature Molecular Dynamics (STMD) Wang_and_Landau_algorithm > Wang and Landau molecular dynamics: Statistical Temperature Molecular Dynamics (STMD) Upon increasing energy bin size, STMC gets the same results over a considerable range, while t... |
Antidementia drug Creutzfeldt–Jakob disease Antidementia_drug > Causes > Creutzfeldt–Jakob disease Creutzfeldt–Jakob disease is a rapidly progressive prion disease that typically causes dementia that worsens over weeks to months. Prions are disease-causing pathogens created from abnormal proteins. |
Intestinal gas Odor Rectal_gases > Management > Odor Another study showed that bismuth acted synergistically with various antibiotics to inhibit sulfate-reducing gut bacteria and sulfide production. Some authors proposed a theory that hydrogen sulfide was involved in the development of ulcerative colitis and that bismu... |
Cross-training Summary Cross-training Cross-training is athletic training in sports other than the athlete's usual sport. The goal is improving overall performance. It takes advantage of the particular effectiveness of one training method to negate the shortcomings of another. |
Three-point locking Summary Three-point_locking This effectively immobilizes the top and bottom of the door, and greatly increases the security of the door-locking compared to a door with only single-point locking.Near the holes in the top and bottom of the door, some restraining device is provided for the rods to pass... |
Borel function Properties of measurable functions Measurable_function > Properties of measurable functions The (pointwise) supremum, infimum, limit superior, and limit inferior of a sequence (viz., countably many) of real-valued measurable functions are all measurable as well. The pointwise limit of a sequence of measu... |
Directed differentiation Direct reprogramming Directed_differentiation > Methods > Current methodologies > Direct reprogramming This method, also known as transdifferentiation or direct conversion, consists in overexpressing one or several factors, usually transcription factors, introduced in the cells. The starting ma... |
Dexamethasone Pharmacodynamics Dexamethasone > Pharmacology > Pharmacodynamics However, higher doses of dexamethasone override the export capacity of P-glycoprotein and enter the brain to produce central activation of GRs. In conjunction with the suppression of endogenous corticosteroids by dexamethasone, this results ... |
Natural parametrization Summary Euclidean_geometry_of_curves Differential geometry of curves is the branch of geometry that deals with smooth curves in the plane and the Euclidean space by methods of differential and integral calculus. Many specific curves have been thoroughly investigated using the synthetic approach.... |
Silicon transistor MOSFET (MOS transistor) Silicon_transistor > History > MOSFET (MOS transistor) Atalla and his Korean colleague Dawon Kahng developed the metal–oxide–semiconductor field-effect transistor (MOSFET), or MOS transistor, in 1959, the first transistor that could be miniaturized and mass-produced for a wide... |
Water source heat pump Solar-assisted heat pump Heat_pumps > Types > Solar-assisted heat pump A solar-assisted heat pump either integrates a heat pump and thermal solar panels or photovoltaic solar power in a single system. In the case of thermal solar, typically these two technologies are used separately (or are opera... |
Feed forward (control) Gene regulation and feed-forward Feed-forward_control > Applications > Gene regulation and feed-forward In this system the concentration of active Far1 depends on the time integral of a function of the external mating pheromone concentration. This dependence on past levels of mating pheromone is ... |
Ductility Ductile–brittle transition temperature Ductility > Ductile–brittle transition temperature The plastic deformation of ductile metals is important as it can be a sign of the potential failure of the metal. Yet, the point at which the material exhibits a ductile behavior versus a brittle behavior is not only dep... |
Addition polymer History Addition_polymer > History They left the reaction vessel overnight, and the next morning they found a small amount of a white waxy solid. It was shown later that this solid was polyethylene. The term "addition polymerization" is deprecated by IUPAC (International Union of Pure and Applied Chemi... |
Classical theories of gravitation Summary Classical_theories_of_gravitation Alternatives to general relativity are physical theories that attempt to describe the phenomenon of gravitation in competition with Einstein's theory of general relativity. There have been many different attempts at constructing an ideal theory... |
Lighthouse paradox Summary Lighthouse_paradox The lighthouse paradox is a thought experiment in which the speed of light is apparently exceeded. The rotating beam of light from a lighthouse is imagined to be swept from one object to shine on a second object. The farther the two objects are away from the lighthouse, the... |
Perlite Aquatic filtration Perlite > Uses > Aquatic filtration Perlite is currently used in commercial pool filtration technology, as a replacement to diatomaceous earth filters. Perlite is an excellent filtration aid and is used extensively as an alternative to diatomaceous earth. The popularity of perlite usage as a ... |
Blue Gene Design Blue_Gene > Blue Gene/Q > Design The L2 cache is multi-versioned, supporting transactional memory and speculative execution, and has hardware support for atomic operations. L2 cache misses are handled by two built-in DDR3 memory controllers running at 1.33 GHz. The chip also integrates logic for chip-t... |
Driveway alarm Sensors Driveway_alarm > Sensors Will only alarm when a vehicle moves by and are generally more costly than the passive infrared units. Rubber hose When pressure is applied on top of the hose air is pushed up the hose triggering an alarm. Common in commercial applications. |
Minimum Sudoku problem Summary Minimum_Sudoku_problem Experimental mathematics is an approach to mathematics in which computation is used to investigate mathematical objects and identify properties and patterns. It has been defined as "that branch of mathematics that concerns itself ultimately with the codification and... |
Kinetic kill vehicle Summary Kinetic_energy_weapon Typical kinetic energy weapons are blunt projectiles such as rocks and round shots, pointed ones such as arrows, and somewhat pointed ones such as bullets. Among projectiles that do not contain explosives are those launched from railguns, coilguns, and mass drivers, as... |
Skin oiliness Epidermis Skin_aging > Structure > Epidermis The epidermis can be further subdivided into the following strata (beginning with the outermost layer): corneum, lucidum (only in palms of hands and bottoms of feet), granulosum, spinosum, and basale. Cells are formed through mitosis at the basale layer. The da... |
Redox (operating system) History Redox_(operating_system) > History Redox was created by Jeremy Soller and was first published on 20 April 2015 on GitHub. As of July 2021, the Redox repository had a total of 79 contributors. |
Angular wavevector Summary Propagation_vector A closely related vector is the angular wave vector (or angular wavevector), with a typical unit being radian per metre. The wave vector and angular wave vector are related by a fixed constant of proportionality, 2π radians per cycle.It is common in several fields of physic... |
Reaction formation Theory Reaction_formation > Theory In addition, "igh ideals of virtue and goodness may be reaction formations against primitive object cathexes rather than realistic values that are capable of being lived up to. Romantic notions of chastity and purity may mask crude sexual desires, altruism may hide ... |
P53 DNA damage and repair P53_protein > Function > DNA damage and repair In this cell type, p53 activates numerous microRNAs (like miR-302a, miR-302b, miR-302c, and miR-302d) that directly inhibit the p21 expression in hESCs. The p21 protein binds directly to cyclin-CDK complexes that drive forward the cell cycle and i... |
Umkehr effect Summary Umkehr_effect The Umkehr is the time variation of the ratio of the scattered intensity at two different wavelengths. The word means 'reversal' in German. The Umkehr effect is observed when measurements are made with ultraviolet spectrophotometer of the ratio of the zenith sky light intensities of ... |
Pulmonary function tests Diffusing capacity Pulmonary_function_testing > Tests > Diffusing capacity Measurement of the single-breath diffusing capacity for carbon monoxide (DLCO) is a fast and safe tool in the evaluation of both restrictive and obstructive lung disease. |
Shinumo Quartzite Sedimentary structures Shinumo_Quartzite > Sedimentary structures The Shinumo Quartzite exhibits a variety of sedimentary structures. The sandstones of the lower and lower-middle members exhibit centimeter- to meter-scale planar tabular cross-stratification and trough cross-beds. These cross beds reco... |
James (Mac) Hyman Summary James_(Mac)_Hyman James Macklin "Mac" Hyman (born 1950) is an applied mathematician formerly at Los Alamos National Laboratory and currently at Tulane University in the United States. He received his undergraduate degree from Tulane University and his PhD in 1976 from NYU's Courant Institute o... |
Photosensitizer Parameters Photosensitizer > Theory > Parameters For a molecule to be considered a photosensitizer: The photosensitizer must impart a physicochemical change upon a substrate after absorbing incident light. Upon imparting a chemical change, the photosensitizer returns to its original chemical form.It is ... |
Triple-alpha process Triple-alpha process in stars Helium_fusion > Triple-alpha process in stars The net energy release of the process is 7.275 MeV. As a side effect of the process, some carbon nuclei fuse with additional helium to produce a stable isotope of oxygen and energy: 126C + 42He → 168O + γ (+7.162 MeV)Nuclea... |
Continuous spectrum (functional analysis) Classification of points in the spectrum Continuous_spectrum_(functional_analysis) > Classification of points in the spectrum The set of approximate eigenvalues (which includes the point spectrum) is called the approximate point spectrum of T, denoted by σap(T). λ ∈ σ ( T ) {\d... |
Parkinson's disease Prognosis Parkinson's_disease > Prognosis Age is an appropriate predictor of disease progression. The rate of motor decline is greater in those with less impairment at the time of diagnosis, while cognitive impairment is more frequent in those who are over 70 years of age at symptom onset.Disability... |
Plant invasion Species-based mechanisms Invasive_plant > Causes > Species-based mechanisms This explains how many introduced species are able to establish and become invasive in new environments. In addition, the rate at which an invasive species can spread can be difficult to ascertain by biologists since population g... |
Data plot Overview Data_plot > Overview There are also many statistical tools generally referred to as graphical techniques. These include: scatter plots spectrum plots histograms probability plots residual plots box plots, and block plotsGraphical procedures such as plots are a short path to gaining insight into a dat... |
4-Hydroxyphenylpyruvate dioxygenase Function Α-ketoisocaproate_dioxygenase > Function In nearly all aerobic beings, 4-hydroxyphenylpyruvate dioxygenase is responsible for converting 4-hydroxyphenylpyruvate into homogentisate. This conversion is one of many steps in breaking L-tyrosine into acetoacetate and fumarate. Wh... |
Log likelihood Discrete probability distribution Log_likelihood > Definition > Discrete probability distribution Let X {\displaystyle X} be a discrete random variable with probability mass function p {\displaystyle p} depending on a parameter θ {\displaystyle \theta } . Then the function considered as a function of θ {... |
Point-set topology Summary General_topology In mathematics, general topology (or point set topology) is the branch of topology that deals with the basic set-theoretic definitions and constructions used in topology. It is the foundation of most other branches of topology, including differential topology, geometric topol... |
Biofluid dynamics Basic Principles of Fluid Dynamics Biofluid_dynamics > Basic Principles of Fluid Dynamics Example - Cream – the longer it is whipped, the thicker it gets. Shear Thinning Fluid: Its viscosity decreases with increased stress. Example – Blood, Tomato sauce. |
Polymerase (DNA directed), alpha 1 Summary Polymerase_(DNA_directed),_alpha_1 DNA polymerase alpha also known as Pol α is an enzyme complex found in eukaryotes that is involved in initiation of DNA replication. The DNA polymerase alpha complex consists of 4 subunits: POLA1, POLA2, PRIM1, and PRIM2.Pol α has limited pro... |
Grid storage Thermal Grid_energy_storage > Forms > Thermal This thermal storage can provide load-shifting or even more complex ancillary services by increasing power consumption (charging the storage) during off-peak times and lowering power consumption (discharging the storage) during higher-priced peak times. For exa... |
Quantum decoherence Mechanisms Quantum_decoherence > Mechanisms To examine how decoherence operates, an "intuitive" model is presented below. The model requires some familiarity with quantum theory basics. Analogies are made between visualizable classical phase spaces and Hilbert spaces. A more rigorous derivation in D... |
Choreographic programming Languages Choreographic_programming > Languages A core theoretical model for choreographic programming. A mechanised implementation is available in Coq. |
Exponential algorithm Constant time Subquadratic_time > Constant time Despite the name "constant time", the running time does not have to be independent of the problem size, but an upper bound for the running time has to be independent of the problem size. For example, the task "exchange the values of a and b if necess... |
Filler (materials) Fatigue resistance Filler_(materials) > Mechanical properties > Fatigue resistance Filler can have a negative or positive effect on fatigue resistance depending on the filler type and shape. In general fillers create small discontinuities in the matrix. This can contribute to crack initiation point. ... |
Salivary gland dysfunction Infective Salivary_gland_dysfunction > Acquired > Infective Infections involving the salivary glands can be viral or bacterial (or rarely fungal). Mumps is the most common viral sialadenitis. It usually occurs in children and involves pain in front of the ear, swelling of the parotid, fever, ... |
Tuberous Sclerosis Complex Diagnosis Tuberous_Sclerosis_Complex > Diagnosis However, some mutations are less clear in their effect, and so not sufficient alone for diagnosis. Between 1 in 10 and 1 in 4 of individuals with TSC have no mutation that can be identified. Once a particular mutation is identified in someone w... |
Allergic to penicillin Penicillin units Penicillin > Nomenclature > Penicillin units The "unit" of penicillin has had three previous definitions, and each definition was chosen as being roughly equivalent to the previous one. Oxford or Florey unit (1941). This was originally defined as the minimum amount of penicillin ... |
Molecular orbitals Linear combinations of atomic orbitals (LCAO) Molecular_Orbital > Qualitative discussion > Linear combinations of atomic orbitals (LCAO) Linear combinations of atomic orbitals (LCAO) can be used to estimate the molecular orbitals that are formed upon bonding between the molecule's constituent atoms. ... |
Group 5 element Oxyanions Group_V_elements > Chemical properties > Compounds > Oxyanions Vanadic acid, H3VO4 exists only at very low concentrations because protonation of the tetrahedral species − results in the preferential formation of the octahedral + species. In strongly acidic solutions, pH < 2, + is the predomina... |
Percent point function Strictly monotonic distribution function Quantile_function > Definition > Strictly monotonic distribution function With reference to a continuous and strictly monotonic cumulative distribution function F X: R → {\displaystyle F_{X}\colon \mathbb {R} \to } of a random variable X, the quantile fun... |
Complexity Applications Complexity > Applications These problems are called intractable. There is another form of complexity called hierarchical complexity. It is orthogonal to the forms of complexity discussed so far, which are called horizontal complexity. |
Bending Moment Computing the bending moment Bending_Moment > Computing the bending moment However, physical interpretations of bending moments in beams and plates have a straightforward interpretation as the stress resultants in a cross-section of the structural element. For example, in a beam in the figure, the bendin... |
171 (number) In mathematics 171_(number) > In mathematics 171 is a triangular number and a Jacobsthal number.There are 171 transitive relations on three labeled elements, and 171 combinatorially distinct ways of subdividing a cuboid by flat cuts into a mesh of tetrahedra, without adding extra vertices.The diagonals of ... |
Prime divisor Open questions Prime_number > Elementary properties > Open questions + n {\displaystyle n!+2,n!+3,\dots ,n!+n} consists of n − 1 {\displaystyle n-1} composite numbers, for any natural number n . {\displaystyle n.} However, large prime gaps occur much earlier than this argument shows. |
Cytoskeletal protein Yeast cytoskeleton Cytoskeletal_protein > Eukaryotic cytoskeleton > Yeast cytoskeleton In budding yeast (an important model organism), actin forms cortical patches, actin cables, and a cytokinetic ring and the cap. Cortical patches are discrete actin bodies on the membrane and are vital for endocyt... |
Schwarzschild's equation for radiative transfer Relationship to Planck's and Beer's laws Schwarzschild's_equation_for_radiative_transfer > Relationship to Planck's and Beer's laws Both Beer's Law and Planck's Law can be derived from Schwarzschild's equation. In a sense, they are corollaries of Schwarzschild's equation.... |
Generative Adversarial Network Summary Generative_Adversarial_Network A generative adversarial network (GAN) is a class of machine learning framework and a prominent framework for approaching generative AI. The concept was initially developed by Ian Goodfellow and his colleagues in June 2014. In a GAN, two neural netwo... |
Birthday attack Mathematics Birthday_attack > Mathematics However, determining the balance of a hash function will typically require all possible inputs to be calculated and thus is infeasible for popular hash functions such as the MD and SHA families. The subexpression ln 1 1 − p {\displaystyle \ln {\frac {1}{1-p}}}... |
Bi-infinite sequence Definition Finite_sequence > Formal definition and basic properties > Definition {\displaystyle (a_{n}).} Here A is the domain, or index set, of the sequence. |
Fundamental theorem of Galois theory Summary Fundamental_theorem_of_Galois_theory In mathematics, the fundamental theorem of Galois theory is a result that describes the structure of certain types of field extensions in relation to groups. It was proved by Évariste Galois in his development of Galois theory. In its mos... |
Tiffeneau–Demjanov rearrangement Early development of mechanism Tiffeneau–Demjanov_rearrangement > Early development of mechanism Alkyl substitutions as opposed to aryl substitutions result in diminished TDRs. Smith and Baer assert that these observations support their mechanism. Since substitution stabilizes the carbo... |
Fast INfrared Exoplanet Spectroscopy Survey Explorer Principle Fast_INfrared_Exoplanet_Spectroscopy_Survey_Explorer > Principle FINESSE would have measured the atmospheric light spectra of exoplanets transiting or eclipsing their parent star. The proposed spectrometer functions in the infrared (0.5-5.0 μm). It would ha... |
Electrolytic capacitors Ripple current Electrolytic_capacitor > Electrical characteristics > Ripple current Non-sinusoidal ripple currents have to be analyzed and separated into their single sinusoidal frequencies by means of Fourier analysis and summarized by squared addition the single currents. I R = i 1 2 + i 2 2 +... |
Finite-difference frequency-domain Comparison with FDTD and FEM Finite-difference_frequency-domain > Comparison with FDTD and FEM The FDFD method is very similar to the finite element method (FEM), though there are some major differences. Unlike the FDTD method, there are no time steps that must be computed sequentiall... |
Hermitian matrix Main diagonal values are real Hermitian_matrix > Properties > Main diagonal values are real The entries on the main diagonal (top left to bottom right) of any Hermitian matrix are real. Only the main diagonal entries are necessarily real; Hermitian matrices can have arbitrary complex-valued entries in ... |
Shear wall Modeling techniques Shear_wall > Modeling techniques Modeling techniques have been progressively updated during the last two decades, moving from linear static to nonlinear dynamic, enabling more realistic representation of global behavior, and different failure modes. Different modeling techniques shear wal... |
Prion protein Neurons and synapses Prion_protein > Function > Nervous system > Neurons and synapses PrP is present in both the pre- and post-synaptic compartments, with the greatest concentration in the pre-synaptic portion. Considering this and PrP's suite of behavioral influences, the neural cell functions and intera... |
Department of Genetics, University of Cambridge Summary Department_of_Genetics,_University_of_Cambridge The Department of Genetics is a department of the University of Cambridge that conducts research and teaching in genetics. |
Size of groups, organizations, and communities Characteristics of larger groups Size_of_groups,_organizations,_and_communities > Characteristics of larger groups Certain things have to be done for a group to form and continue: people have to be motivated to come together and cooperate; goals must be set; tasks assigned... |
OBject EXchange Comparison to HTTP OBject_EXchange > Comparison to HTTP Other such "bindings" of OBEX are possible, such as over USB. HTTP uses human-readable text, but OBEX uses binary-formatted type–length–value triplets named "Headers" to exchange information about a request or an object. These are much easier to pa... |
Evaluation methods Standards Evaluation_methods > Standards They provide guidelines about basing value judgments on systematic inquiry, evaluator competence and integrity, respect for people, and regard for the general and public welfare.The American Evaluation Association has created a set of Guiding Principles for ev... |
Nephrotic syndrome Diagnosis Nephrotic_syndrome > Diagnosis Electrolytes and urea levels may also be analysed at the same time as creatinine (EUC test) in order to evaluate kidney function. A lipid profile will also be carried out as high levels of cholesterol (hypercholesterolemia), specifically elevated LDL, usually ... |
Gravity model Summary Gravity_model Gravity models are used in various social sciences to predict and describe certain behaviors that mimic gravitational interaction as described in Isaac Newton's laws of gravity. Generally, the social science models contain some elements of mass and distance, which lends them to the m... |
Periodic table group Summary Group_(periodic_table) Similar variation on the inner transition metals continues to exist in textbooks, although the correct positioning has been known since 1948 and was twice endorsed by IUPAC in 1988 (together with the 1–18 numbering) and 2021. Groups may also be identified using their ... |
Reproducing kernel particle method History Reproducing_kernel_particle_method > History One of the earliest meshfree methods is smoothed particle hydrodynamics, presented in 1977. Libersky et al. were the first to apply SPH in solid mechanics. The main drawbacks of SPH are inaccurate results near boundaries and tension... |
Re-entry vehicle Actively cooled Ballistic_reentry > Thermal protection systems > Actively cooled Advantages included the possibility of more all-metal designs which would be cheaper to develop, be more rugged, and eliminate the need for classified and unknown technology. The disadvantages are increased weight and comp... |
Bayes' Rule Drug testing Bayes_rule > Examples > Drug testing Suppose, a particular test for whether someone has been using cannabis is 90% sensitive, meaning the true positive rate (TPR) = 0.90. Therefore, it leads to 90% true positive results (correct identification of drug use) for cannabis users. The test is also 8... |
Absorbance Logarithmic vs. directly proportional measurements Absorbance > Measurements > Logarithmic vs. directly proportional measurements The amount of light transmitted through a material diminishes exponentially as it travels through the material, according to the Beer–Lambert law (A=(ε)(l)). Since the absorbance ... |
Programming language research Timeline Programming_language_theory > History > Timeline A team of scientists at Xerox PARC led by Alan Kay develop Smalltalk, an object-oriented language widely known for its innovative development environment. In 1974, John C. Reynolds discovers System F. It had already been discovered ... |
Summary statistics Summary Summary_statistic In descriptive statistics, summary statistics are used to summarize a set of observations, in order to communicate the largest amount of information as simply as possible. Statisticians commonly try to describe the observations in a measure of location, or central tendency, ... |
Unnormalized sinc function Series expansion Unnormalized_sinc_function > Series expansion The Taylor series of the unnormalized sinc function can be obtained from that of the sine (which also yields its value of 1 at x = 0): The series converges for all x. The normalized version follows easily: Euler famously compared ... |
Deoxyribonuclease I Summary DNase_I However, since actin-bound DNase I is enzymatically inactive, the DNase-actin complex might be a storage form of DNase I that prevents damage of the genetic information. This protein is stored in the zymogen granules of the nuclear envelope and functions by cleaving DNA in an endonuc... |
Autoimmmune response Pathogenesis of autoimmunity Epitope_spreading > Pathogenesis of autoimmunity However, there is nothing as far as we know that requires this. All that is required is that a B cell recognising antigen X endocytoses and processes a protein Y (normally =X) and presents it to a T cell. Roosnek and Lanz... |
Chronic hepatitis B Cirrhosis Hepatitis_B > Prognosis > Cirrhosis A number of different tests are available to determine the degree of cirrhosis present. Transient elastography (FibroScan) is the test of choice, but it is expensive. Aspartate aminotransferase to platelet ratio index may be used when cost is an issue. |
Stephen Childress Published books Stephen_Childress > Published books 2012: Natural Locomotion in Fluids and on Surfaces Swimming, Flying, and Sliding. Edited with Anette Hosoi, William W. Schultz, Jane Wang. Hardcover ISBN 978-1-4614-3996-7, Softcover ISBN 978-1-4899-9916-0, eBook ISBN 978-1-4614-3997-4 2018: Construc... |
The Limits to Growth Method The_Limits_to_Growth > Method The World3 model is based on five variables: "population, food production, industrialization, pollution, and consumption of nonrenewable natural resources". : 25 At the time of the study, all these variables were increasing and were assumed to continue to grow e... |
Consumer behaviour Evaluation of alternatives Consumer_behaviour > The purchase decision and its context > Evaluation of alternatives Consumer evaluation can be viewed as a distinct stage. Alternatively, evaluation may occur continuously throughout the entire decision process. Consumers evaluate alternatives in terms o... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.