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Cryptochrome, a flavoprotein found in the eyes of European robins and other animal species, is the only protein known to form photoinduced radical-pairs in animals. When it interacts with light particles, cryptochrome goes through a redox reaction, which yields radical pairs both during the photo-reduction and the oxid... | Wikipedia - Quantum Biology | null | null | null |
Magnetoreception is also possible in the dark, so the mechanism must rely more on the radical pairs generated during light-independent oxidation. Experiments in the lab support the basic theory that radical-pair electrons can be significantly influenced by very weak magnetic fields, i.e., merely the direction of weak m... | Wikipedia - Quantum Biology | null | null | null |
Radical-pairs may need not be entangled, the key quantum feature of the radical-pair mechanism, to play a part in these processes. There are entangled and non-entangled radical-pairs, but disturbing only entangled radical-pairs is not possible with current technology. Researchers found evidence for the radical-pair mec... | Wikipedia - Quantum Biology | null | null | null |
Magnetorheological dampers are utilized in semi-active human prosthetic legs. Much like those used in military and commercial helicopters, a damper in the prosthetic leg decreases the shock delivered to the patients leg when jumping, for example. This results in an increased mobility and agility for the patient. | Wikipedia - MR fluid | null | null | null |
Magnetorheological dampers of various applications have been and continue to be developed. These dampers are mainly used in heavy industry with applications such as heavy motor damping, operator seat/cab damping in construction vehicles, and more. As of 2006, materials scientists and mechanical engineers are collaborat... | Wikipedia - MR fluid | null | null | null |
Magnetostratigraphy determines age from the pattern of magnetic polarity zones in a series of bedded sedimentary and/or volcanic rocks by comparison to the magnetic polarity timescale. The polarity timescale has been previously determined by dating of seafloor magnetic anomalies, radiometrically dating volcanic rocks w... | Wikipedia - Geologic dating | null | null | null |
Magnetotactic bacteria are bacteria with magnetosomes that contain magnetic crystals, usually magnetite or greigite, which allow them to orient themselves with the Earth’s magnetic field lines. These bacteria mineralize magnetite via the reduction of Fe(III), usually in microaerobic or anoxic environments. In the magne... | Wikipedia - Trace metal stable isotope biogeochemistry | null | null | null |
Magnetotellurics (MT) measurements allow detection of resistivity anomalies associated with productive geothermal structures, including faults and the presence of a cap rock, and allow for estimation of geothermal reservoir temperatures at various depths. MT has successfully contributed to the successful mapping and de... | Wikipedia - Geothermal exploration | null | null | null |
Hydrothermal fluids in the pores and fractures of the earth, however, increase the conductivity of the subsurface material. This change in conductivity is used to map the subsurface geology and estimate the subsurface material composition. Resistivity measurements are made using a series of probes distributed tens to h... | Wikipedia - Geothermal exploration | null | null | null |
Since flowing geothermal waters can be detected as zones of low resistance, it is possible to map geothermal resources using such a technique. However, care must be exercised when interpreting low resistivity zones since they may also be caused by changes in rock type and temperature. The Earth's magnetic field varies ... | Wikipedia - Geothermal exploration | null | null | null |
Magnetovision images may be used for data fusion with visual signal. This creates new possibility of presentation of magnetic field distribution for further analyses. == References == | Wikipedia - Magnetovision | null | null | null |
Magnitude (how much) and multitude (how many), the two principal types of quantities, are further divided as mathematical and physical. In formal terms, quantities—their ratios, proportions, order and formal relationships of equality and inequality—are studied by mathematics. The essential part of mathematical quantiti... | Wikipedia - Quantity | null | null | null |
The mathematical usage of a quantity can then be varied and so is situationally dependent. Quantities can be used as being infinitesimal, arguments of a function, variables in an expression (independent or dependent), or probabilistic as in random and stochastic quantities. In mathematics, magnitudes and multitudes are... | Wikipedia - Quantity | null | null | null |
Number theory covers the topics of the discrete quantities as numbers: number systems with their kinds and relations. Geometry studies the issues of spatial magnitudes: straight lines, curved lines, surfaces and solids, all with their respective measurements and relationships. A traditional Aristotelian realist philoso... | Wikipedia - Quantity | null | null | null |
Magnolia grandiflora contains phenolic constituents shown to possess significant antimicrobial activity. Magnolol, honokiol, and 3,5′-diallyl-2′-hydroxy-4-methoxybiphenyl exhibited significant activity against Gram-positive and acid-fast bacteria and fungi. The leaves contain coumarins and sesquiterpene lactones. The s... | Wikipedia - Southern magnolia | null | null | null |
Mahavira's Ganita-sara-sangraha contains the following problem: Pigeons are sold at the rate of 5 for 3, sarasa-birds at the rate of 7 for 5, swans at the rate of 9 for 7, and peacocks at the rate of 3 for 9 (panas). A certain man was told to bring 100 birds for 100 panas. What does he give for each of the various kind... | Wikipedia - Hundred Fowls Problem | null | null | null |
Mahonia aquifolium contains 5'-methoxyhydnocarpin (5'-MHC), a multidrug resistance pump inhibitor, which works to decrease bacterial resistance in vitro. | Wikipedia - Oregon grape | null | null | null |
Maik Maurer considers complexity as a reality in engineering. He proposed a methodology for managing complexity in systems engineering: 1. Define the system. 2. | Wikipedia - Complexity | null | null | null |
Identify the type of complexity. 3. Determine the strategy. | Wikipedia - Complexity | null | null | null |
4. Determine the method. 5. | Wikipedia - Complexity | null | null | null |
Model the system. 6. Implement the method. | Wikipedia - Complexity | null | null | null |
Main article: Logic level § 2-level logic Binary logic uses two distinct logic levels of voltage signals that may be labeled high and low. In this discussion, voltages close to +5 volts are high, and voltages close to 0 volts (ground) are low. The exact magnitude of the voltage is not critical, provided that inputs are... | Wikipedia - Diode-resistor logic | null | null | null |
However, the assignment of logical 1 and logical 0 to high or low is arbitrary and is reversed in active-low or negative logic, where low is logical 1 while high is logical 0. The following diode logic gates work in both active-high or active-low logic, however the logical function they implement is different depending... | Wikipedia - Diode-resistor logic | null | null | null |
Main author of the library was Maxim Shemanarev (Russian: Максим Шеманарёв). On November 26, 2013 Shemanarev (born June 15, 1966, Nizhny Novgorod, Russia) was reported dead at the age of 47 at his home in Columbia, Maryland (US). He died suddenly, allegedly from an epileptic seizure that he had suffered for a while. He... | Wikipedia - Anti-Grain Geometry | null | null | null |
Little is known about his personal life. It's known though that he was divorced and his mother was alive at the time of his death. He used to love skiing, snowboarding (in Colorado), and inline skating. He was praised by his friends for his intelligent programming skills. | Wikipedia - Anti-Grain Geometry | null | null | null |
Main concerns for data differencing are usability and space efficiency (patch size). If one simply wishes to reconstruct the target given the source and patch, one may simply include the entire target in the patch and "apply" the patch by discarding the source and outputting the target that has been included in the pat... | Wikipedia - Data differencing | null | null | null |
For structured data especially, one has other concerns, which largely fall under "usability" – for example, if one is comparing two documents, one generally wishes to know which sections have changed, or if some sections have been moved around – one wishes to understand how the documents differ. For instance "here 'cat... | Wikipedia - Data differencing | null | null | null |
Main contention -- Major term -- Markov's principle -- Martin Gardner bibliography -- Masked-man fallacy -- Material conditional -- Mathematical fallacy -- Mathematical logic -- Meaning (linguistics) -- Meaning (non-linguistic) -- Meaning (philosophy of language) -- Meaningless statement -- Megarian school -- Mental mo... | Wikipedia - Index of logic articles | null | null | null |
Main description at: Op amp integrator § Practical circuit The gain of an integrator at low frequency can be limited to avoid the saturation problem, by shunting the feedback capacitor with a feedback resistor. This practical integrator acts as a low-pass filter with constant gain in its low frequency pass band. It onl... | Wikipedia - Active integrator circuit | null | null | null |
Main interfaces supported by the P-GW are: S5/S8: this interface is defined between S-GW and P-GW. It is named S5 when the S-GW and the P-GW are located in the same network (non-roaming scenario) and S8 when the S-GW is located in the visited network and the P-GW in the home network (roaming scenario). eGTP-C and GTP-U... | Wikipedia - System Architecture Evolution | null | null | null |
Gy: this interface is used by the P-GW to communicate with the Online Charging System (OCS). The P-GW informs the charging system about pre-paid users payload in real time. | Wikipedia - System Architecture Evolution | null | null | null |
Diameter protocol is used in the Gy interface. Gx: this interface is used by the P-GW to communicate with the Policy and Charging Rules Function (PCRF) in order to handle Policy and Charging Rules (PCC) rules. These rules contain charging related information as well as quality of service (QoS) parameters that will be u... | Wikipedia - System Architecture Evolution | null | null | null |
Main purpose of the COSINE ETN is the development of ab-initio research tools to study optical properties and excited electronic states, which are dominated by electron correlation. This tools are developed for the investigation of organic photochemistry with the aim of accurate simulation of spectroscopic experiments ... | Wikipedia - Computational Spectroscopy In Natural Sciences and Engineering | null | null | null |
Main stage Waves 1-8 Innovation Panel Waves 1-11Understanding Society data are available from the UK Data Service. | Wikipedia - Understanding Society | null | null | null |
Main workshop: Horizontal Boring (x3) Jig Boring (x3 De-Vleig) Floor mounted plane Pillar drill Small lathes Large lathes Lapping Sub workshops: Precision jig boring was carried out under temperature controlled conditions next to the metrology room. Heat treatment Grinding Sheet Metal FittingWork scheduling was carried... | Wikipedia - National Engineering Laboratory | null | null | null |
MainStage's primary purpose is to serve as a method of centralizing any virtual instruments that users might have installed on their computers that are normally used in Apple's DAW software Logic Pro for use in live performance. The instruments can then be played using a pre-recorded MIDI file or via a MIDI controller ... | Wikipedia - Logic Studio | null | null | null |
Maine Public Law 270, which allowed the establishment of the University of Maine Deepwater Offshore Wind Test Site, required that the following state and federal agencies be consulted concerning environmental monitoring and planning of the test site: Department of Inland Fisheries and Wildlife Department of Marine Reso... | Wikipedia - DeepCwind Consortium | null | null | null |
Disturbance of migration and feeding areas. Bird and bat strikes. | Wikipedia - DeepCwind Consortium | null | null | null |
Attraction of fish or marine mammals to the platforms. Interruption of wave energy direction and focus. Human impacts. | Wikipedia - DeepCwind Consortium | null | null | null |
Visual impacts. Potential disturbance of historical or culturally significant areas.All micrositing, environmental/ecological monitoring, and permitting activities were conducted from the start of the project in 2010 until the end of the project in 2012. Partners: University of Maine School of Marine Sciences, Universi... | Wikipedia - DeepCwind Consortium | null | null | null |
Mainly because of the importance of fast Fourier transform algorithms, numerous efficient algorithms for applying a bit-reversal permutation to a sequence have been devised.Because the bit-reversal permutation is an involution, it may be performed easily in place (without copying the data into another array) by swappin... | Wikipedia - Bit-reversal permutation | null | null | null |
Because bit-reversal permutations may be repeated multiple times as part of a calculation, it may be helpful to separate out the steps of the algorithm that calculate index data used to represent the permutation (for instance, by using the doubling and concatenation method) from the steps that use the results of this c... | Wikipedia - Bit-reversal permutation | null | null | null |
An alternative to these techniques is special computer hardware that allows memory to be accessed both in normal and in bit-reversed order.The performance improvement of bit-reversals in both uniprocessor and multiprocessors has been paid a serious attention in high-performance computing fields. Because architecture-aw... | Wikipedia - Bit-reversal permutation | null | null | null |
Mainly nocturnal or crepuscular. Also active during the day, on sunny days at the end of the winter especially. They like to receive sunlight near their refuge. They hunt insects and in the warmer months of the year it can be found hunting nocturnal insects near light sources, street lamps, etc. They lay 2 almost-spher... | Wikipedia - Moorish gecko | null | null | null |
After 4 months, little salamanquesas of less than 5 centimetres (2.0 in) in length are born. Moorish geckos are slow to mature, taking 4 to 5 years in captivity. The introduction of the species may impact on native fauna, by preying on frogs and smaller lizards. The adoption of this species as a pet has led to populati... | Wikipedia - Moorish gecko | null | null | null |
Mainstream Mormonism is defined by the leadership of the LDS Church which identifies itself as Christian. Members of the LDS Church consider their top leaders to be prophets and apostles, and are encouraged to accept their positions on matters of theology, while seeking confirmation of them through personal study of th... | Wikipedia - Mormon theology | null | null | null |
It has continuously existed since the succession crisis of 1844 that split the Latter Day Saint movement after the death of founder Joseph Smith, Jr. The LDS Church seeks to distance itself from other branches of Mormonism, particularly those that practice polygamy. The church maintains a degree of orthodoxy by excommu... | Wikipedia - Mormon theology | null | null | null |
Mainstream cryptographic grade hash functions generally can serve as high-quality fingerprint functions, are subject to intense scrutiny from cryptanalysts, and have the advantage that they are believed to be safe against malicious attacks. A drawback of cryptographic hash algorithms such as MD5 and SHA is that they ta... | Wikipedia - Fingerprinting algorithm | null | null | null |
Maintain at least 500 feet AGL except when taking off or landing. | Wikipedia - Visual meteorological conditions | null | null | null |
Maintaining a balance between prostacyclins and thromboxanes is important in the body, particularly because these two eicosanoids exert opposing effects. In catalyzing the synthesis of thromboxanes, TXA synthase is involved in a flux pathway that can modulate the amount of thromboxane produced. This control becomes an ... | Wikipedia - Thromboxane-A synthase | null | null | null |
Because thromboxanes play a role in vasoconstriction and platelet aggregation, their dominance can disrupt vascular homeostasis and cause thrombotic vascular events. Furthermore, the importance of thromboxanes and their syntheses in vascular homeostasis is illustrated by findings that patients whose platelets were unre... | Wikipedia - Thromboxane-A synthase | null | null | null |
Maintaining a library of digital objects requires maintaining metadata about those objects. The metadata necessary for successful management and use of digital objects is both more extensive than and different from the metadata used for managing collections of printed works and other physical materials. METS is intende... | Wikipedia - Metadata Encoding and Transmission Standard | null | null | null |
The same cannot be said for a digital library. Without structural metadata, the page image or text files comprising the digital work are of little use, and without technical metadata regarding the digitization process, scholars may be unsure of how accurate a reflection of the original the digital version provides. How... | Wikipedia - Metadata Encoding and Transmission Standard | null | null | null |
Maintaining homeostasis through internal regulatory mechanisms is directly affected by habitat variation. The common raven is considered to be a homeotherm, an endotherm, and a regulator, so it is required to adjust its internal physiological state in response to environmental changes. Food habitats influence the metab... | Wikipedia - Common raven physiology | null | null | null |
According to one study, species that consume only fruit possess lower metabolisms compared to species that ate both fruit and insect material. The high metabolic rate of the common raven is partially due to the diversity of its diet.Altitude is another factor that requires the common raven to regulate. | Wikipedia - Common raven physiology | null | null | null |
Organisms existing at elevations below 1,100 m (3,500 ft) feet have lower metabolisms than organisms living at higher altitudes. Generally, warmer temperatures are associated with lower altitudes, so less energy is required to maintain a constant internal temperature. Bergmann’s rule can also be applied to the common r... | Wikipedia - Common raven physiology | null | null | null |
Individuals inhabiting higher altitudes and exposed to colder temperatures are usually larger than ravens living at lower latitudes or in warmer temperatures. Also, higher altitudes are associated with lower oxygen partial pressure, so ravens living at high elevations are confronted with reduced oxygen availability. To... | Wikipedia - Common raven physiology | null | null | null |
Due to such a diverse habitat, this species is exposed to various temperatures and amounts of precipitation. Individuals that exist in warmer, drier environments have lower basal metabolic rates than organisms inhabiting non-arid areas. Physiologically, a reduced metabolic rate decreases endogenous heat production to p... | Wikipedia - Common raven physiology | null | null | null |
A reduction of total evaporative water loss consists of decreases of both respiratory and cutaneous evaporation. In contrast, common ravens living at higher latitudes in temperate regions experience high basal metabolic rates. A higher metabolism is related to increased thermogenesis and cold tolerance.In relation to t... | Wikipedia - Common raven physiology | null | null | null |
Within the common raven species, the degree of climatic seasonality is related to the magnitude of fluctuations in basal metabolic rate and total evaporative water loss. For instance, populations living in Alberta are subjected to both extremely cold temperatures in the winter and very hot and dry weather during the su... | Wikipedia - Common raven physiology | null | null | null |
Ravens engaged in flight are considered metabolically active. During periods of flight, the cells require more oxygen, and the heat generated must be dissipated to avoid hyperthermia. In response, the common raven experiences an increased heart rate and cardiac output. | Wikipedia - Common raven physiology | null | null | null |
Another method used by many species of birds to regulate thermal conductance is by internally adjusting blood flow through shunt vessels. More specifically, arterial and venous blood vessels are organized to bypass the countercurrent heat exchange occurring in the upper portion of a bird’s legs. Countercurrent heat exc... | Wikipedia - Common raven physiology | null | null | null |
Maintaining physical activity is important in all children, but especially for children with JIA. The physical therapist has a role in guiding physical rehabilitation (muscle stretching and strengthening, enhancing joint range of movement, improving balance, etc.); optimising physical functioning; goal-setting; and imp... | Wikipedia - Juvenile rheumatoid arthritis | null | null | null |
It can also lead to low bone density, which may predispose to osteoporosis and fractures in adulthood. Getting regular exercise is an important part of the management of JIA to promote bone and muscle health.There is variation in the exact exercise prescription which best promotes musculoskeletal health whilst reducing... | Wikipedia - Juvenile rheumatoid arthritis | null | null | null |
Bone strengthening activities build up muscles; by having the muscles push and pull against the bone, the bones themselves get stronger. This can include things like playing on climbing equipment, swinging on monkey-bars, using weights, carrying groceries, skipping or running. | Wikipedia - Juvenile rheumatoid arthritis | null | null | null |
A Cochrane meta-analysis looking at existing RCTs showed in all studies that exercise does not have a detrimental effect on JIA. In fact, there is evidence to show that both low and high-intensity exercise programs result in improved physical function and reduced pain in children with JIA. Guidelines indicate that chil... | Wikipedia - Juvenile rheumatoid arthritis | null | null | null |
Those with actively inflamed joints should limit activities within pain limits, then gradually return to full activity following a disease flare.It may be necessary to use aids like splints or casts to correct biomechanics, but prolonged splinting and casting are now rarely indicated for children with JIA. Following jo... | Wikipedia - Juvenile rheumatoid arthritis | null | null | null |
These serial casts are usually applied over days to weeks. Active strengthening and lengthening is used in conjunction with serial casting for optimal results. Some children may benefit from foot orthotics to support and correct body position and function. Orthotics maintain biomechanical alignment and may reduce disco... | Wikipedia - Juvenile rheumatoid arthritis | null | null | null |
Maintenance is an important step in the COD cycle as it ensures that the datasets are still relevant and accurate for humanitarian use. This is done at least once a year or in the timespan agreed upon. | Wikipedia - Common Operational Datasets | null | null | null |
Maintenance of the ECF volume (space), and its subcompartment the vascular space, is crucial for survival. These compartments are maintained within a narrow range, despite wide variations in dietary sodium intake. There are three volume regulating systems: two salt saving systems, the renin angiotensin aldosterone syst... | Wikipedia - Atrial natriuretic factor | null | null | null |
Each system also suppresses its counteracting system(s). NP's are made in cardiac, intestinal, renal, and adrenal tissue: ANP in one of a family of cardiac NP's: others at BNP, CNP, and DNP.ANP binds to a specific set of receptors – ANP receptors. Receptor-agonist binding causes the increase in renal sodium excretion, ... | Wikipedia - Atrial natriuretic factor | null | null | null |
Maintrac is a diagnostic blood test platform applying microscopic in vitro diagnostic methods to identify rare cells in body fluids and their molecular characteristics. It is based on positive selection using EpCAM-specific antibodies. Maintrac uses an approach based on microscopic identification of circulating tumor c... | Wikipedia - Circulating tumor cell | null | null | null |
In contrast to many other methods, maintrac does not purify the cells or enrich them, but identifies them within the context of the other blood compounds. To obtain vital cells and to reduce stress of those cells, blood cells are prepared by only one centrifugation step and erythrocyte lysis. Like CellSearch, maintrac ... | Wikipedia - Circulating tumor cell | null | null | null |
It is, however, not used for enrichment but rather as a fluorescent marker to identify those cells. Together with the nuclear staining with propidium iodide the maintrac method can distinguish between dead and living cells. Only vital, propidium excluding EpCAM positive cells are counted as potential tumor cells. | Wikipedia - Circulating tumor cell | null | null | null |
Only living cells can grow into tumors, therefore dying EpCAM positive cells can do no harm. The suspension is analysed by fluorescence microscopy, which automatically counts the events. | Wikipedia - Circulating tumor cell | null | null | null |
Simultaneous event galleries are recorded to verify whether the software found a true living cell and to differentiate between skin epithelial cells for example. Close validation of the method showed that additional antibodies of cytokeratins or CD45 did not have any advantage.Unlike other methods maintrac does not use... | Wikipedia - Circulating tumor cell | null | null | null |
Decreasing cell counts are a sign for a successful therapy. Therefore, maintrac can be used to verify the success of a chemotherapy and to supervise the treatment during hormone or maintenance therapy Maintrac has been used experimentally to monitor cancer recurrence. Studies using Maintrac have shown that EpCAM positi... | Wikipedia - Circulating tumor cell | null | null | null |
Inflammatory conditions like Crohn's disease also show increased levels of EpCAM-positive cells. Patients with severe skin burns can also carry EpCAM positive cells in the blood. Therefore, the use of EpCAM-positive cells as a tool for early diagnosis is not optimal. | Wikipedia - Circulating tumor cell | null | null | null |
Major categories of bio-compounds: Carbohydrates: sugar – disaccharide – polysaccharide – starch – glycogen Lipids: fatty acid – fats – essential oils – oils – waxes – cholesterol Nucleic acids: DNA – RNA – mRNA – tRNA – rRNA – codon – adenosine – cytosine – guanine – thymine – uracil Proteins: amino acid – glycine – a... | Wikipedia - Outline of biochemistry | null | null | null |
Major class features: The features that represent the major classes of sounds. Syllabic segments may function as the nucleus of a syllable, while their counterparts, the segments, may not. Except in the case of syllabic consonants, designates all vowels, while designates all consonants (including glides). Consonanta... | Wikipedia - Phonological features | null | null | null |
Vowels, glides and laryngeal segments are not consonantal. Approximant segments include vowels, glides, and liquids while excluding nasals and obstruents. This feature describes the type of oral constriction that can occur in the vocal tract. designates the vowels and sonorant consonants (namely glides, liquids, and na... | Wikipedia - Phonological features | null | null | null |
Major contributions of supramolecular chemistry have been devoted to recognition and sensing of anions. Ion pairing is the most important driving force for anion complexation, but selectivity e.g. within the halide series has been achieved, mostly by hydrogen bonds contributions. | Wikipedia - Salt bridge (protein and supramolecular) | null | null | null |
Major databases which support expression indexes include: IBM Db2 (since version 10.5), Oracle Database (since release 8i.) and PostgreSQL (since at least version 7). == References == | Wikipedia - Expression index | null | null | null |
Major depressive disorder is associated with an increase in oxidative DNA damage. Increases in oxidative modifications of purines and pyrimidines in depressive patients may be due to impaired repair of oxidative DNA damages. | Wikipedia - DNA oxidation | null | null | null |
Major developments in mathematics include the spread of algebra throughout Europe, especially Italy. Luca Pacioli published a book on mathematics at the end of the fifteenth century, in which he first published positive and negative signs. Basic mathematical symbols were introduced by Simon Stevin in the 16th and early... | Wikipedia - Italian Renaissance | null | null | null |
He published "Introduction to Analytical Methods" in 1591, systematically sorting out algebra, and for the first time consciously using letters to represent unknown and known numbers. In his other book "On the Recognition and Correction of Equations," Viete improved the solution of the third degree and fourth-degree eq... | Wikipedia - Italian Renaissance | null | null | null |
Trigonometry also achieved greater development during the Renaissance. The German mathematician Regiomontanus’s "On Triangles of All Kinds" was Europe's first trigonometric work independent of astronomy. The book systematically elaborated plane triangles and spherical triangles, as well as a very precise table of trigo... | Wikipedia - Italian Renaissance | null | null | null |
Major diversification events in the geologic past were associated with shifts in the relative contributions of alpha- and beta-diversity (diversity partitioning). Examples include the Cambrian explosion, the great Ordovician biodiversification event, and the recoveries from the end-Permian and end-Triassic mass extinct... | Wikipedia - Beta diversity | null | null | null |
Major drivers for the preindustrial ages have been variations of the sun, volcanic ashes and exhalations, relative movements of the earth towards the sun, and tectonically induced effects as for major sea currents, watersheds, and ocean oscillations. In the early Phanerozoic, increased atmospheric carbon dioxide concen... | Wikipedia - Global temperature regulation | null | null | null |
The difference in global mean temperatures between a fully glacial Earth and an ice free Earth is estimated at 10 °C, though far larger changes would be observed at high latitudes and smaller ones at low latitudes. One requirement for the development of large scale ice sheets seems to be the arrangement of continental ... | Wikipedia - Global temperature regulation | null | null | null |
However, the presence or absence of land masses at the poles is not sufficient to guarantee glaciations or exclude polar ice caps. Evidence exists of past warm periods in Earth's climate when polar land masses similar to Antarctica were home to deciduous forests rather than ice sheets. The relatively warm local minimum... | Wikipedia - Global temperature regulation | null | null | null |
Superimposed on the long-term evolution between hot and cold climates have been many short-term fluctuations in climate similar to, and sometimes more severe than, the varying glacial and interglacial states of the present ice age. Some of the most severe fluctuations, such as the Paleocene-Eocene Thermal Maximum, may ... | Wikipedia - Global temperature regulation | null | null | null |
Major element characteristics of S-type granites include lower levels of sodium and calcium, and elevated levels of silica and aluminium. Iron and magnesium content correlate with color index in S-type granites. In addition, S-type granites contain more magnesium than iron. With respect to aluminium, S-type granites ar... | Wikipedia - S-type granite | null | null | null |
Major embedded database products include, in alphabetical order: Advantage Database Server from Sybase Inc. ArcticDB from Man Group Berkeley DB from Oracle Corporation DuckDB from DuckDB Labs CSQL from csqlcache.com Extensible Storage Engine from Microsoft eXtremeDB from McObject Firebird Embedded H2 HSQLDB from HSQLDB... | Wikipedia - Embedded database | null | null | null |
Major enhancements include: Faster connection and discovery Adaptive frequency-hopping spread spectrum (AFH), which improves resistance to radio frequency interference by avoiding the use of crowded frequencies in the hopping sequence. Higher transmission speeds in practice than in v1.1, up to 721 kbit/s. Extended Sync... | Wikipedia - Bluetooth | null | null | null |
Major fMRI data analysis software, including SPM, FSL, AFNI, and CONN, all have modules for PPI analysis. There is also Generalized PPI Toolbox, which is a MATLAB based toolbox dedicated for PPI analysis. | Wikipedia - Psychophysiological Interaction | null | null | null |
Major features as available in Actian Ingres 11.2: A broad subset of ANSI/ISO SQL-92, as well as extensions; Cross-platform support; ACID compliance; Stored procedures in both SQL and QUEL; Triggers; Cursors; Updatable views; Primary and secondary indexes; Foreign Keys, as well as constraints and indexes on them; Parti... | Wikipedia - Ingres (database) | null | null | null |
Major figures include John Whiting and Beatrice Whiting, Cora DuBois, and Florence Kluckhohn. | Wikipedia - Psychological anthropology | null | null | null |
Major figures: Vincent Crapanzano, Georges Devereux, Tobie Nathan, Catherine Lutz, Michelle Zimbalist Rosaldo, Renato Rosaldo, Charles Nuckolls, Bradd Shore, and Dorinne K. Kondo | Wikipedia - Psychological anthropology | null | null | null |
Major groups of oxygen-producing, photosynthetic organisms such as cyanobacteria, algae, C4, C3, and crassulacean acid metabolism (CAM) plants use Ferredoxin-thioredoxin reductase for carbon fixation regulation. FTR, as part of a greater Ferredoxin-Thioredoxin system, allows plants to change their metabolism based on l... | Wikipedia - Ferredoxin-thioredoxin reductase | null | null | null |
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