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Basal animal metabolic rate Aerobic vs. anaerobic exercise Basal_metabolism > Biochemistry > Aerobic vs. anaerobic exercise Resistance training causes injuries at a much higher rate than aerobic training. Compared to resistance training, it was found that aerobic training resulted in a significantly more pronounced red... |
Brain disorder Signs and symptoms Brain_disorder > Signs and symptoms Every disease has different signs and symptoms. Some of them are persistent headache; pain in the face, back, arms, or legs; an inability to concentrate; loss of feeling; memory loss; loss of muscle strength; tremors; seizures; increased reflexes, sp... |
Clonal deletion Complete vs. incomplete clonal deletion Clonal_deletion > Complete vs. incomplete clonal deletion Complete clonal deletion results in apoptosis of all B and T lymphocytes expressing high affinity for self antigen. Incomplete clonal deletion results in apoptosis of most autoreactive B and T lymphocytes. ... |
Outliers in statistics Summary Outliers_in_statistics Outliers, being the most extreme observations, may include the sample maximum or sample minimum, or both, depending on whether they are extremely high or low. However, the sample maximum and minimum are not always outliers because they may not be unusually far from ... |
Fractional factorial design Summary Fractional_factorial_design In statistics, fractional factorial designs are experimental designs consisting of a carefully chosen subset (fraction) of the experimental runs of a full factorial design. The subset is chosen so as to exploit the sparsity-of-effects principle to expose i... |
Collective decision making Formal systems Collective_decision_making > Formal systems They exchanged ideas with complete anonymity. (ii) Feedback This method requires 3 to 4 rounds of information feedback. In the hourly feedback, both the investigation team and the expert team can conduct in-depth research, so the fina... |
Face Dancers Atomics Ixian_Probe > Atomics Atomics is the term used to refer to nuclear weapons in the Dune universe. Like real-world nuclear weapons, atomics presumably derive their destructive force from nuclear reactions of fission or fusion, and Herbert notes that "radiation lingers" after their use. However, the a... |
General set theory Axioms General_set_theory > Axioms The symbolic axioms below are from Boolos (1998: 196), and govern how sets behave and interact. As with Z, the background logic for GST is first order logic with identity. Indeed, GST is the fragment of Z obtained by omitting the axioms Union, Power Set, Elementary ... |
Elementary arithmetic Subtraction Basic_arithmetic > Subtraction Three of the apples are green, and the rest are red. How many are red?" represents combination. |
Biochemical analysis Proteins Physiological_chemistry > Biomolecules > Proteins Not all proteins have more than one subunit. Ingested proteins are usually broken up into single amino acids or dipeptides in the small intestine and then absorbed. They can then be joined to form new proteins. |
Summation method Analytic continuation of Dirichlet series Summability_theory > Analytic continuation > Analytic continuation of Dirichlet series This method defines the sum of a series to be the value of the analytic continuation of the Dirichlet series f ( s ) = a 1 1 s + a 2 2 s + a 3 3 s + ⋯ {\displaystyle f(s)={\f... |
Social power Clegg Power_literacy > Theories > Clegg Stewart Clegg proposes another three-dimensional model with his "circuits of power" theory. This model likens the production and organizing of power to an electric circuit board consisting of three distinct interacting circuits: episodic, dispositional, and facilitat... |
Event queue Summary Event_queue In computer science, message queues and mailboxes are software-engineering components typically used for inter-process communication (IPC), or for inter-thread communication within the same process. They use a queue for messaging – the passing of control or of content. Group communicatio... |
Sexually transmitted infection Main types Sexually_transmitted_infection > Cause > Main types There are now antiretroviral drugs (ARVs) available to treat HIV infections. There is no known cure for HIV or AIDS but the drugs help suppress the virus. By suppressing the amount of virus in the body, people can lead longer ... |
Bio-inspired computing History Biologically-inspired_computing > History The book also showed that a large amount of systems cannot be represented as such meaning that a large amount of systems cannot be modeled by neural networks. Another book by James Rumelhart and David McClelland in 1986 brought neural networks bac... |
Control by deprivation Summary Control_by_deprivation Control deprivation describes the act of not giving an individual their desires, wants and needs in a deliberate way to control that individual. This is often achieved through acts such as lack of affection, acts indifferent and detached, failure to respond, emotion... |
Mechanical valve Disadvantages of mechanical valves Heart_valve_prosthesis > Mechanical valves > Disadvantages of mechanical valves From an engineering perspective, an ideal heart valve would produce minimal pressure drops, have small regurgitation volumes, minimize turbulence, reduce prevalence of high stresses, and n... |
Flight dynamics Summary Flight_dynamics Flight dynamics in aviation and spacecraft, is the study of the performance, stability, and control of vehicles flying through the air or in outer space. It is concerned with how forces acting on the vehicle determine its velocity and attitude with respect to time. For a fixed-wi... |
List of uncertainty propagation software Software List_of_uncertainty_propagation_software > Software MATLAB Runtime required. Mathos Core Library Uncertainty package Open source (.NET targeting library). MC-Ed is a native Windows software to perform uncertainty calculations according to the Supplement 1 to the Guide t... |
Molecular Simulations Molecular mechanics Molecular_modeling > Molecular mechanics Molecular mechanics is one aspect of molecular modelling, as it involves the use of classical mechanics (Newtonian mechanics) to describe the physical basis behind the models. Molecular models typically describe atoms (nucleus and electr... |
Matrix determinant Calculation Determinant_of_a_matrix > Calculation . The Laplace expansion is similarly inefficient. Therefore, more involved techniques have been developed for calculating determinants. |
TimesTen Caching TimesTen > Technology > Caching A cache group is a set of one or more related database tables and allows for subsets of its rows and/or columns. Database tables in a cache group must each have a defined primary key or a unique index declared across a set of non-nullable columns and must be related in a... |
Horizontal gene transfer Organelle to nuclear genome Horizontal_gene_transfer > Eukaryotes > Organelle to nuclear genome Analysis of DNA sequences suggests that horizontal gene transfer has occurred within eukaryotes from the chloroplast and mitochondrial genomes to the nuclear genome. As stated in the endosymbiotic th... |
Modelling biological systems Brain model Modelling_biological_systems > Particular tasks > Human biological systems > Brain model The Blue Brain Project is an attempt to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. The aim of this project, founded in May 2005 by the B... |
Equidimensional (geology) In geology Equidimensional_(geology) > In geology Make axis b any shorter and the object becomes prolate. Make axis b any longer and it becomes oblate. Bring a and c closer to b and the object becomes equidimensional. Separate a and c further from b and it becomes bladed. For example, the conv... |
Fusion gene Purine biosynthesis Fusion_genes > Evolution > Purine biosynthesis The purines adenine and guanine are two of the four information encoding bases of the universal genetic code. Biosynthesis of these purines occurs by similar, but not identical, pathways in different species of the three domains of life, the... |
Central dogma of molecular biology Use of the term dogma Central_dogma_of_genetics > Use of the term dogma I did apprehend this in a vague sort of way but since I thought that all religious beliefs were without foundation, I used the word the way I myself thought about it, not as most of the world does, and simply appl... |
Immutable class Violating immutability Mutable_variable > Concepts > Violating immutability Immutability does not imply that the object as stored in the computer's memory is unwriteable. Rather, immutability is a compile-time construct that indicates what a programmer can do through the normal interface of the object, ... |
Value and Capital Outline and details Value_and_Capital > Outline and details That hypothesis drives the theoretical outcome of a price change in one of the goods on the quantity demanded of each good. The book decomposes the change into the substitution effect and the income effect. The latter is the change in real in... |
Drug therapy Evidence-based medicine Drug_therapy > Evidence-based medicine Example: Clinical Guideline for controlling blood pressure (hypertension) If there is an Asian male patient who is 40 years old and has recently been diagnosed with high blood pressure (with a blood pressure of 140/90) and without any other chr... |
Heat illness Overview of diseases Heat_illness > Overview of diseases Symptoms may include diarrhea, headache, nausea and vomiting, dizziness, tachycardia, malaise, and myalgia. Definitive therapy includes removing patients from the heat and replenishing their fluids. Most patients will require fluid replacement with I... |
The Physical Principles of the Quantum Theory Summary The_Physical_Principles_of_the_Quantum_Theory The Physical Principles of the Quantum Theory (German: Physikalischen Prinzipien der Quantentheorie publisher: S. Hirzel Verlag, 1930) by Nobel laureate (1932) Werner Heisenberg and subsequently translated by Carl Eckart... |
Period 3 element Atomic structure Period_3_element > Atomic structure In a quantum mechanical description of atomic structure, this period corresponds to the buildup of electrons in the third (n = 3) shell, more specifically filling its 3s and 3p subshells. There is a 3d subshell, but—in compliance with the Aufbau prin... |
Psychrometric chart Summary Psychrometric_chart Psychrometrics (or psychrometry, from Greek ψυχρόν (psuchron) 'cold', and μέτρον (metron) 'means of measurement'; also called hygrometry) is the field of engineering concerned with the physical and thermodynamic properties of gas-vapor mixtures. |
Study of animal locomotion Neuromechanical models Study_of_animal_locomotion > Modeling animal locomotion > Neuromechanical models Additionally, the joints between rigid bodies need to be defined, both in terms of type (e.g. hinge and ball-in-socket) and degrees of freedom (i.e. how the rigid bodies move relative to on... |
Prp24 Summary Prp24 Prp24 (precursor RNA processing, gene 24) is a protein part of the pre-messenger RNA splicing process and aids the binding of U6 snRNA to U4 snRNA during the formation of spliceosomes. Found in eukaryotes from yeast to E. coli, fungi, and humans, Prp24 was initially discovered to be an important ele... |
Anti-CRISPR Mechanisms Anti-CRISPR > Mechanisms Within all the Anti-CRISPR proteins that have been discovered so far, mechanisms have been described for only 15 of among them. These mechanisms can be divided into three different types: crRNA loading interference, DNA binding blockage and DNA cleavage prevention. |
Fission fragment reactor Direct energy conversion Fission_fragment_reactor > Direct energy conversion In the early 2000s, research was undertaken by Sandia National Laboratories, Los Alamos National Laboratory, The University of Florida, Texas A&M University and General Atomics to use direct conversion to extract energ... |
Glossary of mechanical engineering A Glossary_of_mechanical_engineering > A On wheeled vehicles, the axle may be fixed to the wheels, rotating with them, or fixed to the vehicle, with the wheels rotating around the axle. In the former case, bearings or bushings are provided at the mounting points where the axle is supp... |
Influence function (statistics) Estimation of scale Resistant_statistic > Examples > Estimation of scale The distribution of standard deviation is erratic and wide, a result of the outliers. The MAD is better behaved, and Qn is a little bit more efficient than MAD. This simple example demonstrates that when outliers ar... |
Metabolism Thermodynamics of living organisms Biosynthetic_pathway > Thermodynamics of living organisms Living organisms must obey the laws of thermodynamics, which describe the transfer of heat and work. The second law of thermodynamics states that in any isolated system, the amount of entropy (disorder) cannot decrea... |
Momentum conservation René Descartes Momentum > History of the concept > Quantity of motion > René Descartes This should not be read as a statement of the modern law of momentum, since he had no concept of mass as distinct from weight and size. (The concept of mass, as distinct from weight, was introduced by Newton in ... |
Systems immunology GINsim Systems_immunology > Computer tools > GINsim GINsim is a computer tool that generates and simulates genetic networks based on discrete variables. Based on the regulatory graphs and logical parameters, GINsim calculates the temporal evolution of the system which is returned as a State Transitio... |
Consequential strangers Benefits and drawbacks Consequential_stranger > Benefits and drawbacks And because of the lack of familiarity in these various situations, it is necessary to communicate in more "elaborated" patterns of speech with consequential strangers than with loved ones. Relating to assorted others forces ... |
Notability (application) Features Notability_(application) > Features Like other note-taking software, Notability supports typing and drawing on a virtual notepad. The app supports directly editing and exporting to the PDF file format, and supports many other document file formats. Files are synced to iCloud and users ... |
Competitive gaming Data analytics and machine learning Competitive_video_games > Criticisms and legal problems > Data analytics and machine learning With the growing popularity of machine learning in data analytics, esports has been the focus of several software programs that analyze the plethora of game data available... |
Schrödinger’s cat Summary Schrödinger_cat In quantum mechanics, Schrödinger's cat is a thought experiment that illustrates a paradox of quantum superposition. In the thought experiment, a hypothetical cat may be considered simultaneously both alive and dead, while it is unobserved in a closed box, as a result of its fa... |
The speed of light Fundamental role in physics Velocity_of_light > Fundamental role in physics The special theory of relativity explores the consequences of this invariance of c with the assumption that the laws of physics are the same in all inertial frames of reference. One consequence is that c is the speed at which... |
Multitarget stool DNA screening test Recommendations Metastatic_colorectal_cancer > Prevention > Screening > Recommendations For those at high risk, screenings usually begin at around 40.Several screening methods are recommended including stool-based tests every 2 years, sigmoidoscopy every 10 years with fecal immunoch... |
Multi-link suspension Advantages Multi-link_suspension > Advantages A multi-link suspension allows the vehicle to flex more; this means simply that the suspension is able to move more easily to conform to the varying angles of off-road driving. Multi-link-equipped vehicles are ideally suited for sports such as desert r... |
Elastic force Revisions of the force concept Force_vector > Revisions of the force concept At the beginning of the 20th century, new physical ideas emerged to explain experimental results in astronomical and submicroscopic realms. As discussed below, relativity alters the definition of momentum and quantum mechanics re... |
Multiple comparisons problem Definition Multiple_comparisons_problem > Definition However, if 100 tests are each conducted at the 5% level and all corresponding null hypotheses are true, the expected number of incorrect rejections (also known as false positives or Type I errors) is 5. If the tests are statistically ind... |
Flywheel energy storage Counterbalancing of angular momentum Flywheel_energy_storage > Physical characteristics > Effects of angular momentum in vehicles > Counterbalancing of angular momentum Strictly speaking, the two flywheels would exert a huge torqueing moment at the central point, trying to bend the axle. However... |
Posner cueing task Summary Posner_cueing_task The Posner cueing task, also known as the Posner paradigm, is a neuropsychological test often used to assess attention. Formulated by Michael Posner, it assesses a person's ability to perform an attentional shift. It has been used and modified to assess disorders, focal bra... |
Hypnic headache Summary Hypnic_headache Hypnic headaches are benign primary headaches that affect the elderly, with an average age of onset at 63 ± 11 years. They are moderate, throbbing, bilateral or unilateral headaches that wake the sufferer from sleep once or multiple times a night. They typically begin a few hours... |
Vibration testing Forced vibration with damping Vibration > Analysis > Forced vibration with damping More damping actually reduces the effects of vibration isolation when r ≫ 1 because the damping force (F = cv) is also transmitted to the base. Whatever the damping is, the vibration is 90 degrees out of phase with the ... |
Light-field Display Summary Integral_imaging Integral imaging is a three-dimensional imaging technique that captures and reproduces a light field by using a two-dimensional array of microlenses (or lenslets), sometimes called a fly's-eye lens, normally without the aid of a larger overall objective or viewing lens. In c... |
Plate girder bridge Overview Plate_girder_bridge > Overview In a plate girder bridge, the plate girders are typically I-beams made up from separate structural steel plates (rather than rolled as a single cross-section), which are welded or, in older bridges, bolted or riveted together to form the vertical web and horiz... |
Standard Model Weak nuclear force Minimal_standard_model > Fundamental interactions > Weak nuclear force Z bosons are neutral and mediate neutral current interactions, which do not change particle flavour. Thus Z bosons are similar to the photon, aside from them being massive and interacting with the neutrino. |
Stocks and flows More general uses Stocks_and_flows > More general uses A flow (or "rate") changes a stock over time. Usually we can clearly distinguish inflows (adding to the stock) and outflows (subtracting from the stock). Flows typically are measured over a certain interval of time – e.g., the number of births over... |
Higgs particle Overview of Higgs boson and field properties Higgs_Boson > Introduction > Overview of Higgs boson and field properties (Technically the non-zero expectation value converts the Lagrangian's Yukawa coupling terms into mass terms.) When this happens, three components of the Higgs field are "absorbed" by the... |
A/B test Common test statistics A/B_test > Overview > Common test statistics "Two-sample hypothesis tests" are appropriate for comparing the two samples where the samples are divided by the two control cases in the experiment. Z-tests are appropriate for comparing means under stringent conditions regarding normality an... |
Glossary of fishery terms O Glossary_of_fishery_terms > O Ocean basin – geologically an ocean basin is a large geologic basin which is below sea level. Ocean currents – Oceanic currents can be divided into surface and deep ocean currents. Surface currents are generally wind driven and develop typical clockwise spirals ... |
Protein biosynthesis Summary Protein_biosynthesis Protein biosynthesis (or protein synthesis) is a core biological process, occurring inside cells, balancing the loss of cellular proteins (via degradation or export) through the production of new proteins. Proteins perform a number of critical functions as enzymes, stru... |
Zero point energy Necessity of the vacuum field in QED Zero_point_energy > Quantum field theory > The quantum electrodynamic vacuum > Necessity of the vacuum field in QED The vacuum state of the "free" electromagnetic field (that with no sources) is defined as the ground state in which nkλ = 0 for all modes (k, λ). The... |
Infrared spectra Uses and applications Infra-red_(IR)_spectroscopy > Uses and applications Infrared spectroscopy is a simple and reliable technique widely used in both organic and inorganic chemistry, in research and industry. In catalysis research it is a very useful tool to characterize the catalyst, as well as to de... |
Interatomic potential Summary Interatomic_potentials Interatomic potentials are mathematical functions to calculate the potential energy of a system of atoms with given positions in space. Interatomic potentials are widely used as the physical basis of molecular mechanics and molecular dynamics simulations in computati... |
Deuterium isotope effect Experiments Deuterium_isotope_effect > Experiments (A smaller value could indicate an isotope effect due to a pre-equilibrium, so that the C-H bond cleavage occurs somewhere before the rate-determining step.) B) KIE determined from an intermolecular competitionIn this type of experiment, the sa... |
Sulfide indole motility test Summary Sulfide_indole_motility_test Sulphide Indole Motility (SIM) medium is a bacterial growth medium which tests for the ability to reduce sulfates, the ability to produce indoles, and motility. This combination of challenges in one mixture is convenient and commercially available in sta... |
Federated learning Federated learning variations Federated_learning > Federated learning variations In this section, the notation of the paper published by H. Brendan McMahan and al. in 2017 is followed.To describe the federated strategies, let us introduce some notations: K {\displaystyle K}: total number of clients; ... |
No-cloning theorem Theorem and proof No_cloning_theorem > Theorem and proof Take a qubit for example. It can be represented by two complex numbers, called probability amplitudes (normalised to 1), that is three real numbers (two polar angles and one radius). Copying three numbers on a classical computer using any copy ... |
Block copolymers Characterization Block_polymer > Characterization Characterization techniques for copolymers are similar to those for other polymeric materials. These techniques can be used to determine the average molecular weight, molecular size, chemical composition, molecular homogeneity, and physiochemical proper... |
A-star algorithm Description A*_algorithm > Description Specifically, A* selects the path that minimizes f ( n ) = g ( n ) + h ( n ) {\displaystyle f(n)=g(n)+h(n)} where n is the next node on the path, g(n) is the cost of the path from the start node to n, and h(n) is a heuristic function that estimates the cost of the... |
Energiewende 2015 DIW study Energiewende > Computer studies > 2015 DIW study A 2015 study uses DIETER or Dispatch and Investment Evaluation Tool with Endogenous Renewables, developed by the German Institute for Economic Research (DIW), Berlin, Germany. The study examines the power storage requirements for renewables up... |
Reproductive success Humans Reproductive_success > Humans The Blurnton-Jones 'backload model' "tested a hypothesis that the length of the birth intervals of !Kung hunter-gatherers allowed women to balance optimally the energetic demands of child bearing and foraging in a society where women had to carry small children ... |
Metric scale Engineer's scale Architect's_scale > Engineer's scale An engineer's scale is a tool for measuring distances and transferring measurements at a fixed ratio of length. It is commonly made of plastic or aluminum and is just over 300 millimetres (12 in) long, but with the only 300 mm of markings, leaving the e... |
Fish respiration Respiration Fish_physiology > Respiration Loaches, trahiras, and many catfish breathe by passing air through the gut. Mudskippers breathe by absorbing oxygen across the skin (similar to frogs). A number of fish have evolved so-called accessory breathing organs that extract oxygen from the air. |
Dead space (physiology) Physiological dead space Dead_space_(physiology) > Calculating > Physiological dead space The Bohr equation is used to measure physiological dead space. Unfortunately, the concentration of carbon dioxide (CO2) in alveoli is required to use the equation but this is not a single value as the venti... |
Kernel-based Virtual Machine Summary Linux_KVM Kernel-based Virtual Machine (KVM) is a free and open-source virtualization module in the Linux kernel that allows the kernel to function as a hypervisor. It was merged into the mainline Linux kernel in version 2.6.20, which was released on February 5, 2007. KVM requires a... |
Representation theory of SU(2) The Casimir element Representation_theory_of_SU(2) > Lie algebra representations > The Casimir element The eigenvalue of C {\displaystyle \,C\,} in the representation with highest weight m {\displaystyle \,m\,} can be computed by applying C {\displaystyle \,C\,} to the highest weight vect... |
Radical hysterectomy Premature menopause and its effects Radical_hysterectomy > Risks and adverse effects > Premature menopause and its effects This has been attributed to the modulatory effect of estrogen on calcium metabolism and the drop in serum estrogen levels after menopause can cause excessive loss of calcium le... |
Hemostasis Steps of mechanism Hemostasis > Steps of mechanism Collagen is exposed at the site of injury, the collagen promotes platelets to adhere to the injury site. Platelets release cytoplasmic granules which contain serotonin, ADP and thromboxane A2, all of which increase the effect of vasoconstriction. The spasm r... |
Population fragmentation Genetic effects Population_fragmentation > Genetic effects Population fragmentation causes inbreeding depression, which leads to a decrease in genetic variability in the species involved. This decreases the fitness of the population for several reasons. First, inbreeding forces competition with... |
Small boundary property Summary Small_boundary_property In mathematics, the small boundary property is a property of certain topological dynamical systems. It is dynamical analog of the inductive definition of Lebesgue covering dimension zero. |
Exogenous growth model Background Solow–Swan_model > Background The Solow–Swan model was an extension to the 1946 Harrod–Domar model that dropped the restrictive assumption that only capital contributes to growth (so long as there is sufficient labor to use all capital). Important contributions to the model came from t... |
Pregnancy complication Hypothyroidism Pregnancy_complication > Maternal problems > Hypothyroidism The infant may be seriously affected and have a variety of birth defects. Complications in the mother and fetus can include pre-eclampsia, anemia, miscarriage, low birth weight, still birth, congestive heart failure, impai... |
Functional Programming History Functional_language > History Lisp first introduced many paradigmatic features of functional programming, though early Lisps were multi-paradigm languages, and incorporated support for numerous programming styles as new paradigms evolved. Later dialects, such as Scheme and Clojure, and of... |
One-shot learning in computer vision Background One-shot_learning_in_computer_vision > Background Categories are first learned on numerous training examples, then new categories are learned using transformations of model parameters from those initial categories or selecting relevant parameters for a classifier. Feature... |
Absorption band Rotational transitions Absorption_band > Types > Rotational transitions Rotational transitions take place in the far infrared and microwave regions. |
D* Summary D*_search_algorithm It repeats the process until it reaches the goal coordinates or determines that the goal coordinates cannot be reached. When traversing unknown terrain, new obstacles may be discovered frequently, so this replanning needs to be fast. |
Inverse function theorem Statements Inverse_function_theorem > Statements Assuming this, the inverse derivative formula follows from the chain rule applied to f − 1 ∘ f = I {\displaystyle f^{-1}\circ f=I} . (Indeed, I = ( f − 1 ∘ f ) ′ ( a ) = ( f − 1 ) ′ ( b ) ∘ f ′ ( a ) . |
Symmetry in mathematics Symmetries of differential equations Mathematical_symmetry > Symmetries of differential equations Knowledge of a Line symmetry can be used to simplify an ordinary differential equation through reduction of order.For ordinary differential equations, knowledge of an appropriate set of Lie symmetri... |
Behavioral repertoire Theory levels Behavioral_repertoire > The paradigm > Theory levels The basic learning principles constitute another level of theory, as do the human learning principles that specify cumulative learning. How the principles work—in areas like child development, personality, abnormal personality, cli... |
Perpetual motion machine of the second kind Techniques Perpetual_machine > Basic principles > Techniques A typical application of gravity in a perpetual motion machine is Bhaskara's wheel in the 12th century, whose key idea is itself a recurring theme, often called the overbalanced wheel: moving weights are attached to... |
Simple Harmonic Motion Summary Simple_Harmonic_Motion In mechanics and physics, simple harmonic motion (sometimes abbreviated SHM) is a special type of periodic motion an object experiences due to a restoring force whose magnitude is directly proportional to the distance of the object from an equilibrium position and a... |
Massive heart attack Atherosclerosis Massive_heart_attack > Mechanism > Atherosclerosis The most common cause of a myocardial infarction is the rupture of an atherosclerotic plaque on an artery supplying heart muscle. Plaques can become unstable, rupture, and additionally promote the formation of a blood clot that bloc... |
Cancer genomics Source of cancer driver mutations, cancer mutagenesis Genetics_of_cancer > Source of cancer driver mutations, cancer mutagenesis Such mutations and epigenetic alterations can give rise to cancer. DDR genes are often repressed in human cancer by epigenetic mechanisms. Such repression may involve DNA meth... |
Relative homology Examples Local_homology > Examples Because the disk is contractible, we know its reduced homology groups vanish in all dimensions, so the above sequence collapses to the short exact sequence: 0 → H n ( D n , S n − 1 ) → H ~ n − 1 ( S n − 1 ) → 0. {\displaystyle 0\rightarrow H_{n}(D^{n},S^{n-1})\righta... |
Sedimentary depositional environment Types of depositional environments Depositional_environment > Types of depositional environments Common sediments are carbonates (in tropical climates). Beach – Area of loose particles at the edge of the sea or other body of water. Caused by waves and longshore currents. |
Dye-sensitized solar cell Dye-sensitized solar cells Dye-sensitized_solar_cells > Dye-sensitized solar cells In the late 1960s it was discovered that illuminated organic dyes can generate electricity at oxide electrodes in electrochemical cells. In an effort to understand and simulate the primary processes in photosynt... |
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