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Mechanical equivalent of heat: Priority History and priority dispute Mechanical_equivalence_of_heat > History and priority dispute Thomson collaborated with Joule, mainly by correspondence, Joule conducting experiments, Thomson analysing the results and suggesting further experiments. The collaboration lasted from 1852... |
Postselection Summary Postselection Using postselection it seems quantum Turing machines are much more powerful: Scott Aaronson proved PostBQP is equal to PP. Some quantum experiments use post-selection after the experiment as a replacement for communication during the experiment, by post-selecting the communicated val... |
Radiation belt Summary Radiation_belts The belts trap energetic electrons and protons. Other nuclei, such as alpha particles, are less prevalent. |
Strength reduction Code analysis Strength_reduction > Code analysis Most of a program's execution time is typically spent in a small section of code (called a hot spot), and that code is often inside a loop that is executed over and over. A compiler uses methods to identify loops and recognize the characteristics of re... |
Euler Gamma Function Relation to other functions Euler_Gamma_Function > Properties > Relation to other functions The reciprocal gamma function is an entire function and has been studied as a specific topic. The gamma function also shows up in an important relation with the Riemann zeta function, ζ ( z ) {\displaystyle ... |
Feature scaling Standardization (Z-score Normalization) Feature_scaling > Methods > Standardization (Z-score Normalization) Next we subtract the mean from each feature. Then we divide the values (mean is already subtracted) of each feature by its standard deviation. x ′ = x − x ¯ σ {\displaystyle x'={\frac {x-{\bar {x}... |
Diffraction topography Literature Diffraction_topography > Literature doi:10.1016/0001-6160(57)90002-0. ISSN 0001-6160. Lang, A. R. |
Wind wave Breaking Wave_spectrum > Breaking They are often found where there is a sudden rise in the seafloor, such as a reef or sandbar. Deceleration of the wave base is sufficient to cause upward acceleration and a significant forward velocity excess of the upper part of the crest. The peak rises and overtakes the fo... |
Pharmacology Drug discovery Therapeutic_drugs > Divisions > Clinical practice and drug discovery > Drug discovery Many methods have been proposed for quantitative predictions in drug metabolism; one example of a recent computational method is SPORCalc. A slight alteration to the chemical structure of a medicinal compou... |
Gitelman syndrome Cause Gitelman_syndrome > Cause This is another mechanism that might be responsible for decreased magnesium reabsorption.Another effect of the inactivated sodium-chloride cotransporter is the subsequent activation of the renin-angiotensin aldosterone system (RAAS). RAAS activation is a byproduct of th... |
Generational garbage collection Stop-the-world vs. incremental vs. concurrent Tracing_garbage_collection > Implementation strategies > Stop-the-world vs. incremental vs. concurrent Simple stop-the-world garbage collectors completely halt execution of the program to run a collection cycle, thus guaranteeing that new obj... |
Object-based attention Cues and attentional focus Object-based_attention > Factors that influence object-based attention > Cues and attentional focus The kind of cues—exogenous (peripheral) or endogenous (central)—have been found to differentially affect the role of object-based attention in visual searches. Chen repor... |
Action semantics Yielder entities Action_semantics > Yielder entities Yielder entities consist of unevaluated quantities of data. The values of these quantities are contingent on the current information and state of computation. Yielders draw on transient data, bindings, and storage to select the information to be proc... |
Strong consistency Summary Strong_consistency Strong consistency is one of the consistency models used in the domain of concurrent programming (e.g., in distributed shared memory, distributed transactions).The protocol is said to support strong consistency if: All accesses are seen by all parallel processes (or nodes, ... |
Tunnel magnetoresistance History Magnetic_tunnel_junctions > History The effect was originally discovered in 1975 by Michel Jullière (University of Rennes, France) in Fe/Ge-O/Co-junctions at 4.2 K. The relative change of resistance was around 14%, and did not attract much attention. In 1991 Terunobu Miyazaki (Tohoku Un... |
Classical XY model Two dimensions XY_model > Rigorous results > Two dimensions The two-dimensional XY model with nearest-neighbor interactions is an example of a two-dimensional system with continuous symmetry that does not have long-range order as required by the Mermin–Wagner theorem. Likewise, there is not a convent... |
Timed automaton Summary Timed_automaton Further, clocks can be reset. Timed automata are a sub-class of a type hybrid automata. Timed automata can be used to model and analyse the timing behavior of computer systems, e.g., real-time systems or networks. |
Plant lifecycle management Physical model Plant_lifecycle_management > Parts of the model > Physical model Physical parts of a plant are usually represented by 3D CAD models. The CAD system used would typically focus on top-down, routing, and DMU and would differ on many point from the systems used in the mechanical in... |
Servoamplifier Function Servo_drive > Function It then alters the voltage, frequency or pulse width to the motor so as to correct for any deviation from the commanded status.In a properly configured control system, the servo motor rotates at a velocity that very closely approximates the velocity signal being received b... |
Resonance energy Comparison with molecular orbital (MO) theory Resonance_energy > Quantum mechanical description in valence bond (VB) theory > Comparison with molecular orbital (MO) theory They lead to the models of contributing structures for an electron-withdrawing group and electron-releasing group on benzene. The u... |
Pillow plate heat exchanger Pillow plate banks (heat exchangers) Pillow-plate_heat_exchanger > Application > Pillow plate banks (heat exchangers) Pillow plate banks are typically used in applications involving liquid-liquid, gas-liquid, high viscosity or dirty media, low pressure loss requirements, condensation (e.g. t... |
Ternary search tree Tries Ternary_search_tree > Comparison to other data structures > Tries While being slower than other prefix trees, ternary search trees can be better suited for larger data sets due to their space-efficiency. |
Mechanical design Modern tools Mechanical_design > Modern tools In addition, CAE analysis programs can model complicated physical phenomena which cannot be solved by hand, such as viscoelasticity, complex contact between mating parts, or non-Newtonian flows. As mechanical engineering begins to merge with other discipli... |
Main diagonal Antidiagonal Main_diagonal > Antidiagonal The antidiagonal (sometimes counter diagonal, secondary diagonal, trailing diagonal, minor diagonal, off diagonal, or bad diagonal) of an order N {\displaystyle N} square matrix B {\displaystyle B} is the collection of entries b i , j {\displaystyle b_{i,j}} such ... |
Ultra-Low Fouling Making ultra-low fouling surfaces Ultra-Low_Fouling > Making ultra-low fouling surfaces High surface energies cause adsorption because a contaminated surface will have a smaller difference between the surface and bulk coordination numbers. This drives the surface to reach a lower, more favored, energy... |
3 Science 3 > Science Humans perceive the universe to have three spatial dimensions, but some theories, such as string theory, suggest there are more. Three is the number of elementary fermion generations according to the Standard Model of particle physics. The triangle, a polygon with three edges and three vertices, i... |
Bilge Bilge water Bilge_water > Bilge water The word is sometimes also used to describe the water that collects in this area. Water that does not drain off the side of the deck or through a hole in the hull, typically via a scupper, drains down into the ship into the bilge. This water may be from rough seas, rain, leak... |
Visual cues Use in technology for the visually impaired Sensory_cue > Haptic cues > Haptic cues in research > Use in technology for the visually impaired Haptic cues are used frequently to allow those who have impaired vision to have access to a greater wealth of information. Braille is a tactile written language which... |
Diffraction topography Literature Diffraction_topography > Literature "The use of synchrotron edge topography to study polytype nearest neighbour relationships in SiC" (PDF). Radiation Physics and Chemistry. Elsevier BV. |
Infections associated with diseases Summary Infections_associated_with_diseases When using this method, absolute statements regarding causation are not always possible. Higher amounts of distinctive pathogenic nucleic acid sequences should be in those exhibiting disease, compared to controls. In addition, the DNA load ... |
Random sample consensus Overview Random_sample_consensus > Overview The RANSAC algorithm is a learning technique to estimate parameters of a model by random sampling of observed data. Given a dataset whose data elements contain both inliers and outliers, RANSAC uses the voting scheme to find the optimal fitting result.... |
Henry Louis Le Chatelier Early life Henry_Louis_Le_Chatelier > Early life His mother raised the children by regimen, described by Henry Louis: "I was accustomed to a very strict discipline: it was necessary to wake up on time, to prepare for your duties and lessons, to eat everything on your plate, etc. All my life I m... |
Patient participation Limitations and criticism Patient_participation > In health technology assessment > Limitations and criticism There are many ways that public participation in HTA, including patients, can be implemented. In fact, an entire "typology of issues" has been developed by Gauvin et al., in which each typ... |
Aerobic decomposition Rate of decomposition Bacterial_decay > Rate of decomposition Substances like sugars and amino acids decompose readily and are considered labile. Cellulose and hemicellulose, which are broken down more slowly, are "moderately labile". Compounds which are more resistant to decay, like lignin or cut... |
Online machine learning Implementations Online_machine_learning > Implementations Vowpal Wabbit: Open-source fast out-of-core online learning system which is notable for supporting a number of machine learning reductions, importance weighting and a selection of different loss functions and optimisation algorithms. It u... |
Superlens Perfect lenses Hyperlens > Development and construction > Perfect lenses When the world is observed through conventional lenses, the sharpness of the image is determined by and limited to the wavelength of light. Around the year 2000, a slab of negative index metamaterial was theorized to create a lens with c... |
Wood industry Importance in limiting climate change Wood_industry > Economy > Importance in limiting climate change Regarding the problem of climate change, it is known that burning forests increase CO2 in the atmosphere, while intact virgin forest or plantations act as sinks for CO2, for these reasons wood economy fig... |
Deviance (sociology) Control theory Deviance_(sociology) > Theories of deviance > Symbolic interaction > Control theory Without this "control", deviant behavior would happen more often. This leads to conformity and groups. People will conform to a group when they believe they have more to gain from conformity than by d... |
Sedimentary depositional environment Types of depositional environments Depositional_environment > Types of depositional environments Creates beaches, spits, and sandbars with the common sediments of gravel and sand. Lake – Large body of relatively still waterMarine Shallow water marine environment – processes due to w... |
Impact of the COVID-19 pandemic on healthcare workers Centers for Disease Control and Prevention Impact_of_the_COVID-19_pandemic_on_healthcare_workers > Recommendations > Centers for Disease Control and Prevention The Centers for Disease Control and Prevention has issued guidance on preventing transmission and reducing... |
Double-layer capacitor Literature Electric_double-layer_capacitor > Literature pp. 329–375. doi:10.1201/9781420055405-c8. |
Vortex lattice method Historical background Vortex_lattice_method > Historical background Although the computations needed can be carried out by hand, the VLM benefited from the advent of computers for the large amounts of computations that are required. Instead of only one horseshoe vortex per wing, as in the Lifting-... |
Ascoli's theorem Necessity Ascoli's_theorem > Necessity Whereas most formulations of the Arzelà–Ascoli theorem assert sufficient conditions for a family of functions to be (relatively) compact in some topology, these conditions are typically also necessary. For instance, if a set F is compact in C(X), the Banach space ... |
Direct Current Various definitions DC_voltage > Various definitions The term DC is used to refer to power systems that use only one electrical polarity of voltage or current, and to refer to the constant, zero-frequency, or slowly varying local mean value of a voltage or current. For example, the voltage across a DC vo... |
Crevice corrosion Stress corrosion cracking Crevice_corrosion > Stress corrosion cracking A common form of crevice failure occurs due to stress corrosion cracking, where a crack or cracks develop from the base of the crevice where the stress concentration is greatest. This was the root cause of the fall of the Silver B... |
X-ray photoelectron spectroscopy Vibrational effects X-ray_photoelectron_spectroscopy > Theoretical aspects > Theory of core level photoemission of electrons > Vibrational effects Temperature-dependent atomic lattice vibrations, or phonons, can broaden the core level components and attenuate the interference patterns i... |
Culture and sensitivity Reporting Culture_and_sensitivity > Reporting The results of the testing are reported as a table, sometimes called an antibiogram. Bacteria are marked as sensitive, resistant, or having intermediate resistance to an antibiotic based on the minimum inhibitory concentration (MIC), which is the low... |
Kidney tumour Malignant (cancerous) Renal_tumor > Diagnosis > Classification > Malignant (cancerous) This stage accounts for 17% of kidney cancers and 69% of people are expected to live 5 years with this progression of kidney cancer. •Stage 4, the kidney tumour has spread to a distant organ or lymph node. 16% of kidney... |
Vitamin B12 deficiency Impaired absorption Vitamin_B12_deficiency > Causes > Impaired absorption The diabetes medication metformin may interfere with B12 dietary absorption. A genetic disorder, transcobalamin II deficiency can be a cause. |
Dimensional models of personality disorders Adapted categorical models Dimensional_models_of_personality_disorders > Model development > Adapted categorical models There are different ways to ‘dimensionalize’ personality disorders, these can be summarised into two categories. The first involves quantifying DSM-5 pathol... |
Fast-reverse epitaxial diode field-effect transistor More about terminals Field-effect_transistor > More about terminals All FETs have source, drain, and gate terminals that correspond roughly to the emitter, collector, and base of BJTs. Most FETs have a fourth terminal called the body, base, bulk, or substrate. This f... |
Kato technique Summary Kato_technique The Kato technique (also called the Kato–Katz technique) is a laboratory method for preparing human stool samples prior to searching for parasite eggs. |
AIDS virus Replication and transcription HIV_virus > Virology > Replication cycle > Replication and transcription This means that those cells most likely to be targeted, entered and subsequently killed by HIV are those actively fighting infection. During viral replication, the integrated DNA provirus is transcribed int... |
Distributed Hash Table Rendezvous hashing Distributed_Hash_Table > Structure > Keyspace partitioning > Rendezvous hashing In rendezvous hashing, also called highest random weight (HRW) hashing, all clients use the same hash function h ( ) {\displaystyle h()} (chosen ahead of time) to associate a key to one of the n ava... |
Sugar battery Thermo Enzymes Sugar_battery > Improvements > Thermo Enzymes Thermoenzymes, enzymes with high thermostability, are used as the non-immobilized enzymes to ensure stability. In the sugar battery, the thermo enzymes are produced by Escherichia coli, a kind of bacterium. Then the enzymes are purified through ... |
Supersymmetric theory of stochastic dynamics Classification of stochastic dynamics Supersymmetric_theory_of_stochastic_dynamics > Applications > Classification of stochastic dynamics In the deterministic limit, ordered phase is equivalent to deterministic chaotic dynamics with non-integrable flow. Ordered non-integrabl... |
Model Predictive Control Nonlinear MPC Model_Predictive_Control > Nonlinear MPC NMPC algorithms typically exploit the fact that consecutive optimal control problems are similar to each other. This allows to initialize the Newton-type solution procedure efficiently by a suitably shifted guess from the previously compute... |
Viral myocarditis Summary Viral_myocarditis Myocarditis, also known as inflammatory cardiomyopathy, is an acquired cardiomyopathy due to inflammation of the heart muscle. Symptoms can include shortness of breath, chest pain, decreased ability to exercise, and an irregular heartbeat. The duration of problems can vary fr... |
Social discovery platform Developments Social_search_engine > Developments The new Tailored Trends feature, besides showing Twitter trends, will give a short description of each topic. Since trends tend to be abbreviations without context, a description will make it more clear what a trend is about. The new trends expe... |
Quantum Machine Learning Quantum Convolution Neural Network Quantum_artificial_intelligence > Machine learning with quantum computers > Quantum Convolution Neural Network Despite the fact that the QCNN model does not include the corresponding quantum operation, the fundamental idea of the pooling layer is also offered ... |
Handshake History Handshake > History For example, a depiction of two soldiers shaking hands can be found on part of a 5th-century BC funerary stele that is on display in Berlin’s Pergamon Museum (stele SK1708) and on other funerary steles, such as one from the 4th century BC that depicts Thraseas and his wife Euandria... |
Binding site Applications Binding_site > Applications Inhibition of this function represses neoplastic growth and improves severe psoriasis and adult rheumatoid arthritis.In cardiovascular illnesses, drugs such as beta blockers are used to treat patients with hypertension. Beta blockers (β-Blockers) are antihypertensiv... |
Search coil magnetometer Applications Search_coil_magnetometer > Applications Eye tracker: a search coil is used to measure eye movement using coils that are embedded into a contact lens. Education Non-destructive testing Magnetotellurics Space research Natural electromagnetic waves observations on Earth. |
Autonomous mobile robot Collision avoidance Automatic_guided_vehicle > Traffic control > Collision avoidance Forward sensing control uses collision avoidance sensors to avoid collisions with other AGV in the area. These sensors include: sonic, which work like radar; optical, which uses an infrared sensor; and bumper, p... |
Unrolled linked list Overview Unrolled_linked_list > Overview If the array is already full, we first insert a new node either preceding or following the current one and move half of the elements in the current node into it. To remove an element, we find the node it is in and delete it from the elements array, decrement... |
Nuclear power proposed as renewable energy Definitions of renewable energy Nuclear_power_proposed_as_renewable_energy > Definitions of renewable energy Renewable energy flows involve natural phenomena, which with the exception of tidal power, ultimately derive their energy from the sun (a natural fusion reactor) or fro... |
Nonlinear resonance Description Nonlinear_resonance > Description This representation allows to reconstruct uniquely 3a) dynamical system describing time-dependent behavior of the cluster, and 3b) the set of its polynomial conservation laws; these are generalization of Manley–Rowe constants of motion for the simplest c... |
Energy eigenstate Stationary state properties Energy_eigenvalues > Stationary state properties As shown above, a stationary state is not mathematically constant: However, all observable properties of the state are in fact constant in time. For example, if | Ψ ( t ) ⟩ {\displaystyle |\Psi (t)\rangle } represents a simpl... |
Examples of Markov chains A simple weather model Examples_of_Markov_chains > Discrete-time > A simple weather model The probabilities of weather conditions (modeled as either rainy or sunny), given the weather on the preceding day, can be represented by a transition matrix: P = {\displaystyle P={\begin{bmatrix}0.9&0.1... |
Inner moon Orbits Inner_moon > Orbits This is why photos of these satellites show them to be completely clean of pebbles, dust and rocks. The most extreme cases are Saturn's moon Pan, which orbits within the rings at only 70% of its fluid Roche limit, as well as Neptune's moon Naiad. Naiad's density is unknown, so its ... |
Weyl calculus Theory in higher dimensions Oscillator_semigroup > Applications and generalizations > Theory in higher dimensions {\displaystyle {{\widehat {f}}(t)={1 \over (2\pi )^{n/2}}\int _{{\mathbf {R} }^{n}}f(x)e^{-ix\cdot t}\,dx.}} The Fourier inversion formula f ( x ) = 1 ( 2 π ) n / 2 ∫ R n f ^ ( t ) e i x ⋅ t d... |
Inverse trigonometric function Principal values Arc_cosine > Basic concepts > Principal values Since none of the six trigonometric functions are one-to-one, they must be restricted in order to have inverse functions. Therefore, the result ranges of the inverse functions are proper (i.e. strict) subsets of the domains o... |
Cross development Summary Cross_compiler Cross compilers are distinct from source-to-source compilers. A cross compiler is for cross-platform software generation of machine code, while a source-to-source compiler translates from one coding language to another in text code. Both are programming tools. |
Synchronization complexity Interpretation Cyclomatic_complexity > Description > Interpretation In his presentation 'Software Quality Metrics to Identify Risk' for the Department of Homeland Security, Tom McCabe introduces the following categorisation to interpret cyclomatic complexity: 1 - 10 Simple procedure, little r... |
Link-state protocol Optimizations to the algorithm Link-state_protocol > Optimizations to the algorithm The algorithm described above was made as simple as possible, to aid in ease of understanding. In practice, there are a number of optimizations which are used. |
Private biometrics Background Private_biometrics > Background Biometric security strengthens user authentication but, until recently, also implied important risks to personal privacy. Indeed, while compromised passwords can be easily replaced and are not personally identifiable information(PII), biometric data is consi... |
Network Sovereignty Impact of VPNs Network_Sovereignty > Impact of VPNs In that example, by using VPNs, an Internet user in the United States could access banned material that is hosted in Amsterdam by accessing through a server, hosted in Amsterdam, to make it appear that the user is in Amsterdam, based on the IP addr... |
Auxiliary normed space Sufficient conditions for a Banach disk Auxiliary_normed_space > Induced by a bounded disk – Banach disks > Sufficient conditions for a Banach disk The following are consequences of the above theorem: A sequentially complete bounded disk in a Hausdorff TVS is a Banach disk. Any disk in a Hausdorf... |
Interatomic force Van der Waals forces Instantaneous_dipole > Van der Waals forces The van der Waals forces arise from interaction between uncharged atoms or molecules, leading not only to such phenomena as the cohesion of condensed phases and physical absorption of gases, but also to a universal force of attraction be... |
SraL RNA Summary SraL_RNA The SraL RNA ('sra' for small RNA), also known as RyjA, is a small non-coding RNA discovered in E. coli, and later in Salmonella Tiphimurium. This ncRNA was found to be expressed only in stationary phase. It may possibly play a role in Salmonella virulence. |
List of prime numbers Lists of primes by type List_of_prime_numbers > Lists of primes by type Below are listed the first prime numbers of many named forms and types. More details are in the article for the name. n is a natural number (including 0) in the definitions. |
Radio telegraphy Electrostatic and electromagnetic induction Radio_telegraphy > Non-radio methods > Electrostatic and electromagnetic induction Both electrostatic and electromagnetic induction were used to develop wireless telegraph systems that saw limited commercial application. In the United States, Thomas Edison, i... |
Psychology of learning Information processing theories Psychology_of_learning > Psychology of learning theories > Information processing theories From the STM, some of this information is rehearsed and eventually encoded into the LTM where it is then stored permanently.Alternate models have been proposed in regards to ... |
Stepwise refinement Software development Top-down_design > Computer science > Software development Part of this section is from the Perl Design Patterns Book.In the software development process, the top–down and bottom–up approaches play a key role. Top–down approaches emphasize planning and a complete understanding of... |
Diffusion creep Principle Diffusion_creep > Principle The most stable state will be when all vacancies are evenly spread through the crystal. This principle follows from Fick's law: J x = − D x Δ C Δ x {\displaystyle J_{x}=-D_{x}{\frac {\Delta C}{\Delta x}}} In which Jx stands for the flux ("flow") of vacancies in dire... |
Bridge strike Impacts Bridge_strike > Impacts The collapse was caused by a truck with an oversize load that was taller than the clearance above of the bridge. The bridge was a steel through-truss bridge with a "fracture-critical" design that has non-redundant load-bearing beams. An impact of the oversize load to multip... |
Search engine indexing The forward index Search_engine_indexing > Indexing > The forward index The forward index stores a list of words for each document. The following is a simplified form of the forward index: The rationale behind developing a forward index is that as documents are parsed, it is better to intermediat... |
Memory Span Digit-span Memory_Span > Digit-span Digit-span tasks are the most commonly used test for memory span, partially because performance on a digit-span task cannot be affected by factors such as semantics, frequency of appearance in daily life, complexity, etc.Verbal working memory is involved in many everyday ... |
Complex society Alternative theories Complex_society > Alternative theories Within the Axial Age, an increase in warfare intensity between the steppe peoples and the Persian and Chinese peoples forged the Achaemenid Persian empire and the Han Chinese empire, both complex societies. This theory has also been extended to... |
Matrix 2 of 5 Encoding Matrix_2_of_5 > Encoding W - wide black bar or white space. Narrow to wide components difference could be from 1/3 to 2/5. |
Glossary of genetics (M–Z) O Glossary_of_genetics_(M–Z) > O Outrons are located entirely outside of the transcript's coding sequences, unlike introns. overexpression An abnormally high level of gene expression which results in an excessive number of copies of one or more gene products. Overexpression produces a pronoun... |
Gottesman–Knill theorem Summary Gottesman–Knill_theorem In quantum computing, the Gottesman–Knill theorem is a theoretical result by Daniel Gottesman and Emanuel Knill that states that stabilizer circuits, circuits that only consist of gates from the normalizer of the qubit Pauli group, also called Clifford group, can ... |
Phagosome Maturation process Phagocytic_vacuole > Maturation process The composition of the phospholipid membrane also changes as the phagosome matures.Fusion may take minutes to hours depending on the contents of the phagosome; FcR or mannose receptor-mediated fusion last less than 30 minutes, but phagosomes containin... |
Q-Weibull distribution Summary Q-Weibull_distribution In statistics, the q-Weibull distribution is a probability distribution that generalizes the Weibull distribution and the Lomax distribution (Pareto Type II). It is one example of a Tsallis distribution. |
Periodic Tales Reception Periodic_Tales > Reception The book received mixed but generally positive reviews from The Daily Telegraph, Kirkus Reviews, Publishers Weekly, and Science News. The Telegraph described the book as "a 400-page love letter to the chemical elements", and "an agreeable jumble of anecdote, reflectio... |
Chip log History Knot_log > History All nautical instruments that measure the speed of a ship through water are known as logs. This nomenclature dates back to the days of sail, when sailors tossed a log attached to a rope knotted at regular intervals off the stern of a ship. Sailors counted the number of knots that pas... |
Sleep-disordered breathing Arterial Blood Gases Sleep_disordered_breathing > Physiology > Steady REM Sleep > Arterial Blood Gases Hypoxemia due to hypoventilation is noted in REM sleep but this is less well studied than NREM sleep. These changes are equal to or greater than NREM sleep |
Multiple sclerosis research Lublin classification Multiple_sclerosis_research > Clinical courses redefinition > Lublin classification In 1996, the US National Multiple Sclerosis Society (NMSS) Advisory Committee on Clinical Trials in Multiple Sclerosis (ACCTMS) standardized four clinical courses for MS (Remitent-Recidi... |
Biochemical cascade Blood cells Signalling_cascade > Cell-specific biochemical cascades > Blood cells The blood cells (erythrocytes, leukocytes and platelets) are produced by hematopoiesis. The erythrocytes have as main function the O2 delivery to the tissues, and this transfer occurs by diffusion and is determined by ... |
Outer planet Composition Outer_planet > Structure and composition > Composition Jupiter and Saturn are composed mainly of gases with extremely low melting points and high vapor pressure, such as hydrogen, helium, and neon. Ices, like water, methane, ammonia, hydrogen sulfide, and carbon dioxide, have a melting points o... |
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