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Malcolm Bruce Smith He died from diffuse lewy body disease in 2000. | https://en.wikipedia.org/wiki?curid=15140792 |
SNPlex is a platform for SNP genotyping sold by Applied Biosystems (ABI). It is based on capillary electrophoresis to separate varying fragments of DNA, which allows the assay to be performed on ABI's 3730xl DNA analyzers. Currently, up to 48 SNPs can be genotyped in a single reaction. | https://en.wikipedia.org/wiki?curid=15141674 |
Edmund Getty MRIA (1799, Belfast – 1857, London) was an Irish antiquarian and naturalist. Getty was educated at the Royal Belfast Academical Institution. He became Ballast Master of the Belfast Ballast Board and, later, Secretary of the Belfast Harbour Board. He was responsible for the reclamation of the slob-lands on ... | https://en.wikipedia.org/wiki?curid=15146726 |
Pittsburgh Life Sciences Greenhouse (PLSG) is an investment firm based in the South Side neighborhood of Pittsburgh, Pennsylvania that provides resources and tools to entrepreneurial life sciences enterprises in Pittsburgh and western Pennsylvania in order to advance research and patient care. Since PLSG began operatio... | https://en.wikipedia.org/wiki?curid=15158793 |
Pittsburgh Life Sciences Greenhouse Today, PLSG exists as a partnership between the Commonwealth of Pennsylvania, University of Pittsburgh, Carnegie Mellon University, University of Pittsburgh Medical Center and the regional foundation of community. Their state mission is to "create, nurture and help establish a global... | https://en.wikipedia.org/wiki?curid=15158793 |
Pittsburgh Life Sciences Greenhouse Companies already generating product or service revenue can also growth their success with PLSG programs for market expansion, new product or service development, workforce development, investor relations and industry collaboration. ----[1] <nowiki>http://www.post-gazette.com/busines... | https://en.wikipedia.org/wiki?curid=15158793 |
Pittsburgh Life Sciences Greenhouse [12] · Separation Design Group[13] · Spinal MetRX · Starr Life Sciences[14] · Vytrace · Wright Therapy Products[15] Therapeutics: · ATRP Solutions[16] · Biomed Research & Technologies · Cognition Therapeutics[17] · Complexa[18] · Knopp Biosciences[19] · Launchcyte[20] · Lipella Pharm... | https://en.wikipedia.org/wiki?curid=15158793 |
Pittsburgh Life Sciences Greenhouse php</nowiki> [5] <nowiki>http://blenderhouse.com/home/</nowiki> [6] <nowiki>http://www.brainstage.com/</nowiki> [7] <nowiki>http://www.caliberindia.com/</nowiki> [8] <nowiki>http://www.hability.net/index.php</nowiki> [9] <nowiki>http://www.hmsinc.com/</nowiki> [10] <nowiki>http://www... | https://en.wikipedia.org/wiki?curid=15158793 |
Freeman law The is a statement in astronomy which says that disk galaxies have the same surface brightness, Σ at the center. It was described in 1970 by Ken Freeman. The was confirmed in year 2010 for a sample of 30000 Sloan Digital Sky Survey galaxy images and it can be used with the Tully-Fisher relation to determine... | https://en.wikipedia.org/wiki?curid=15163555 |
Taketani Mitsuo He was jailed in 1938 following making contributions to the Marxist journal "Sekai Bunka" (World Culture). However, following the intervention of Yoshio Nishina, he was released into the custody of his professor, Yukawa Hideki. He applied Hegel's theory of dialectics, with the triad Phenomenon, Substanc... | https://en.wikipedia.org/wiki?curid=15177414 |
Underpotential deposition (UPD), in electrochemistry, is a phenomenon of electrodeposition of a species (typically reduction of a metal cation to a solid metal) at a potential less negative than the equilibrium (Nernst) potential for the reduction of this metal. The equilibrium potential for the reduction of a metal in... | https://en.wikipedia.org/wiki?curid=15182309 |
Sergei Kurzanov Sergei Mikhailovich Kurzanov (Сергей Михайлович Курзанов, born 1947) is a Russian (formerly Soviet) paleontologist at the Paleontological Institute of the Russian Academy of Sciences. He is known mainly for his work in Mongolia and the ex-Soviet republics in Central Asia. In 1976 he announced the discov... | https://en.wikipedia.org/wiki?curid=15183022 |
Chemical stability when used in the technical sense in chemistry, means thermodynamic stability of a chemical system. Thermodynamic stability occurs when a system is in its lowest energy state, or chemical equilibrium with its environment. This may be a dynamic equilibrium, where individual atoms or molecules change fo... | https://en.wikipedia.org/wiki?curid=15184877 |
Chemical stability Therefore, the term "chemically stable" should not be used by chemists as a synonym of "unreactive" because it confuses thermodynamic and kinetic concepts. On the other hand, highly chemically unstable species tend to undergo exothermic unimolar decompositions at high rates. Thus, high chemical insta... | https://en.wikipedia.org/wiki?curid=15184877 |
Thermal time scale In astrophysics, the thermal time scale or Kelvin-Helmholtz time scale is the approximate time it takes for a star to radiate away its total kinetic energy content at its current luminosity rate. Along with the nuclear and free-fall (aka dynamical) time scales, it is used to estimate the length of ti... | https://en.wikipedia.org/wiki?curid=15192512 |
Paracrine regulator A is a molecule or hormone produced by a tissue to regulate activity in that same tissue. Paracrine regulators are distinct from endocrine regulators, which secrete substances directly into the blood stream, thus accessing other tissues as well. Some paracrine regulators can also be autocrine regula... | https://en.wikipedia.org/wiki?curid=15202596 |
Michael Frogley is a Quaternary palaeoecologist whose research interests currently include: He is a member of the ISOMED working group, involved in the analysis and synthesis of Mediterranean isotopic climatic records; he is also a founding member of the ECCUZ working group, concerned with examining the links between L... | https://en.wikipedia.org/wiki?curid=15208469 |
Peter Jacob Hjelm Peter (Petter) Jacob Hjelm (2 October 1746 – 7 October 1813) was a Swedish chemist and the first person to isolate the element molybdenum in 1781, four years after its discovery by Swedish chemist Carl Wilhelm Scheele. Working with Molybdic acid, Hjelm chemically reduced molybdenum oxide with carbon i... | https://en.wikipedia.org/wiki?curid=15210243 |
Gordon Aylward Gordon Hillis Aylward is an Australian chemical author. He is known for writing the "SI Chemical Data" book. Aylward graduated on 20 May 1952 with a BSc (Honours) in Applied Chemistry from the then-new University of New South Wales in Sydney, Australia. Later he received a MSc from the same university, a... | https://en.wikipedia.org/wiki?curid=15218575 |
Elkanah Billings (May 5, 1820 – June 14, 1876) is often referred to as Canada's first paleontologist. Billings was born on a farm by the Rideau River outside Bytown (Ottawa), now known as Billings Estate. His parents were named Lamira Dow and Braddish Billings. His family included an older sister named Sabra and an old... | https://en.wikipedia.org/wiki?curid=15228679 |
Non-protein nitrogen (or NPN) is a term used in animal nutrition to refer collectively to components such as urea, biuret, and ammonia, which are not proteins but can be converted into proteins by microbes in the ruminant stomach. Due to their lower cost compared to plant and animal proteins their inclusion in a diet c... | https://en.wikipedia.org/wiki?curid=15234661 |
ABI Solid Sequencing This method should not be confused with "sequencing by synthesis," a principle used by Roche-454 pyrosequencing (introduced in 2005, generating millions of 200-400bp reads in 2009), and the Solexa system (now owned by Illumina) (introduced in 2006, generating hundreds of millions of 50-100bp reads ... | https://en.wikipedia.org/wiki?curid=15236363 |
ABI Solid Sequencing Primers hybridize to the P1 adapter sequence within the library template. A set of four fluorescently labelled di-base probes compete for ligation to the sequencing primer. Specificity of the di-base probe is achieved by interrogating every 1st and 2nd base in each ligation reaction. Multiple cycle... | https://en.wikipedia.org/wiki?curid=15236363 |
ABI Solid Sequencing Microarrays was once the mainstay of the transcriptomics the last ten years and array based technology has subsequently branched out to other areas. However, they are limited in that only information can be obtained for probes that are on the chip. Only information for organisms for which chips are... | https://en.wikipedia.org/wiki?curid=15236363 |
Vivaldi (crater) Vivaldi is a crater at 14.5°N, 86°W on Mercury. It is 210 km in diameter and was named after Italian composer Antonio Vivaldi. It has a prominent and nearly continuous inner ring whose diameter measures about half that of the outer ring. Unlike some of the lunar multiringed structures, no vestiges of a... | https://en.wikipedia.org/wiki?curid=15260602 |
Thomas Carr (paleontologist) Thomas D. Carr is a vertebrate paleontologist who received his Ph.D. from the University of Toronto in 2005. He is now a member of the biology faculty at Carthage College in Kenosha, Wisconsin. Much of his work centers on tyrannosauroid dinosaurs. Carr published the first quantitative analy... | https://en.wikipedia.org/wiki?curid=15269528 |
Phytosemiotics is a branch of biosemiotics that studies the sign processes in plants, or more broadly, the vegetative semiosis. Vegetative semiosis is a type of sign processes that occurs at cellular and tissue level, including cellular recognition, plant perception, plant signal transduction, intercellular communicati... | https://en.wikipedia.org/wiki?curid=15280547 |
Sholem Aleichem (crater) Sholem Aleichem is a crater on Mercury, named after the Yiddish writer Sholem Aleichem. The plains deposits filling the crater's interior have been deformed by linear ridges. Adjacent to Sholem Aleichem to the southeast is the older and larger crater Vyāsa, and further to the east is Stravinsky... | https://en.wikipedia.org/wiki?curid=15281192 |
Voluntary observing ship program Due to the importance of surface weather observations from the surface of the ocean, the voluntary observing ship program, known as VOS, was set up to train crews how to take weather observations while at sea and also to calibrate weather sensors used aboard ships when they arrive in po... | https://en.wikipedia.org/wiki?curid=15290612 |
Humidity indicator A humidity indicator is a moisture-sensitive chemical that changes color when the indicated relative humidity is exceeded. Some chemicals are: | https://en.wikipedia.org/wiki?curid=15293185 |
Pople notation The is named after the Nobel laureate John Pople and is a simple method of presenting second-order spin coupling systems in NMR. The notation labels each (NMR active) nucleus with a letter of the alphabet. The difference in chemical shift, δ, relative to the J-coupling between nuclei mirrors the separati... | https://en.wikipedia.org/wiki?curid=15293846 |
Monster (physics) A monster, in quantum physics, is an arrangement of matter that has maximum disorder. The high-entropy state of monsters has been theorized as being responsible for the high entropy of black holes; while the likelihood of any given star entering a "monster" state while collapsing is small, quantum mec... | https://en.wikipedia.org/wiki?curid=15301222 |
Life Nature Library The is a series of 25 hardbound books published by Time-Life between 1961 and 1965, with revisions to 1968. It has been translated from English into eight languages and sold in 90 countries. Each volume explores an important division of the natural world and is written for educated laymen by a prima... | https://en.wikipedia.org/wiki?curid=15325578 |
Storm cell A storm cell is an air mass that contains up and down drafts in convective loops and that moves and reacts as a single entity, functioning as the smallest unit of a storm-producing system. An organized grouping of thunder clouds will thus be considered as a series of storm cells with their up/downdrafts bein... | https://en.wikipedia.org/wiki?curid=15327229 |
Tinley Moraine The is a moraine around the Lake Michigan basin in North America. It was formed during the Wisconsin Glaciation and is younger than the higher and wider terminal moraine called the Valparaiso Moraine, which is located farther from the lake than the Tinley Moraine. Compared to the Valparaiso Moraine, the ... | https://en.wikipedia.org/wiki?curid=15340905 |
Tinley Moraine There is little difference between the soils mixture of the and the Valparaiso Moraine. There is a greater quantity of silt and clay similar to a fine grained lake sediments. The clay-rich and pebble-poor till implies that existence of a glacial lake on the margin of the ice. The till mixture predates th... | https://en.wikipedia.org/wiki?curid=15340905 |
Tirawa (crater) Tirawa basin is a large impact crater on Saturn's moon Rhea, at . It was glimpsed by "Voyager 1" during its flyby of the moon and later photographed in greater detail by the "Cassini" orbiter. Tirawa is deep in places, as measured in NASA Voyager images, and is across. The crater has a slightly elliptic... | https://en.wikipedia.org/wiki?curid=15356354 |
ChIP sequencing ChIP-sequencing, also known as ChIP-seq, is a method used to analyze protein interactions with DNA. ChIP-seq combines chromatin immunoprecipitation (ChIP) with massively parallel DNA sequencing to identify the binding sites of DNA-associated proteins. It can be used to map global binding sites precisely... | https://en.wikipedia.org/wiki?curid=15360151 |
ChIP sequencing Massively parallel sequence analyses are used in conjunction with whole-genome sequence databases to analyze the interaction pattern of any protein with DNA, or the pattern of any epigenetic chromatin modifications. This can be applied to the set of ChIP-able proteins and modifications, such as transcri... | https://en.wikipedia.org/wiki?curid=15360151 |
ChIP sequencing These fragments should be cut to become under 500 base pairs each to have the best outcome for genome mapping. The third step is called chromatin immunoprecipitation, which is what ChIP is short for. The ChIP process enhance specific crosslinked DNA-protein complexes using an antibody against the protei... | https://en.wikipedia.org/wiki?curid=15360151 |
ChIP sequencing Some technologies that analyze the sequences can use cluster amplification of adapter-ligated ChIP DNA fragments on a solid flow cell substrate to create clusters of approximately 1000 clonal copies each. The resulting high density array of template clusters on the flow cell surface is sequenced by a Ge... | https://en.wikipedia.org/wiki?curid=15360151 |
ChIP sequencing Tag densities at the binding sites are a good indicator of protein–DNA binding affinity, which makes it easier to quantify and compare binding affinities of a protein to different DNA sites. STAT1 DNA association: ChIP-seq was used to study STAT1 targets in HeLA S3 cells which are clones of the HeLA lin... | https://en.wikipedia.org/wiki?curid=15360151 |
ChIP sequencing Some of the transcription factors regulate genes that control other transcription factors. These genes are not regulated by other factors. Most transcription factors serve as both targets and regulators of other factors, demonstrating a network of regulation. Inferring regulatory network: ChIP-seq signa... | https://en.wikipedia.org/wiki?curid=15360151 |
ChIP sequencing The most popular method is MACS which empirically models the shift size of ChIP-Seq tags, and uses it to improve the spatial resolution of predicted binding sites. Another relevant computational problem is Differential peak calling, which identifies significant differences in two ChIP-seq signals from d... | https://en.wikipedia.org/wiki?curid=15360151 |
Galactocentric distance is a star's distance from the center of a galaxy. For example, our Sun is about 27,000 light-years (8 kpc) from the center of the Milky Way. may also refer to a galaxy's distance from another galaxy. | https://en.wikipedia.org/wiki?curid=15375090 |
Mozambique National Institute of Meteorology The () is the national meteorological organization of Mozambique. It is responsible for monitoring weather in the country and for providing warning of imminent tropical storms or meteorological changes that could potentially threaten the country. For instance when Cyclone El... | https://en.wikipedia.org/wiki?curid=15382029 |
Matisse (crater) Matisse is an impact crater on the Southern hemisphere of Mercury. Matisse takes its name from the French artist Henri Matisse. | https://en.wikipedia.org/wiki?curid=15385934 |
Domatium A domatium (plural: domatia, from the Latin "domus", meaning home) is a tiny chamber produced by plants that houses arthropods. Ideally domatia differ from galls in that they are produced by the plant rather than being induced by their inhabitants, but the distinction is not sharp; the development of many type... | https://en.wikipedia.org/wiki?curid=15400040 |
Domatium Domatia are also found in some rainforest tree species in the families Alangiaceae, Elaeocarpaceae, Fabaceae, Icacinaceae, Meliaceae, Rubiaceae, Sapindaceae and Simaroubaceae. | https://en.wikipedia.org/wiki?curid=15400040 |
Sigmund Schenkling (11 July 1865, in Laucha an der Unstrut – 16 December 1946, in Eisleben) was a German entomologist who specialised in Coleoptera. Schenkling's collection is held by the German Entomological Institute. It is notable for Cleridae, Erotylidae, Languriidae, Helotidae and Endomychidae the families he spec... | https://en.wikipedia.org/wiki?curid=15412029 |
Homogeneous isotropic turbulence is an idealized version of the realistic turbulence, but amenable to analytical studies. The concept of isotropic turbulence was first introduced by G.I. Taylor in 1935. The meaning of the turbulence is given below, G.I. Taylor also suggested a way of obtaining almost homogeneous isotro... | https://en.wikipedia.org/wiki?curid=15413167 |
Thermal emittance or thermal emissivity is the ratio of the radiant emittance of heat of a specific object or surface to that of a standard black body. Emissivity and emittivity are both dimensionless quantities given in the range of 0 to 1, but emissivity refers to a material property (of a homogeneous material), whil... | https://en.wikipedia.org/wiki?curid=15418290 |
Holozoic nutrition (Greek: "holo"-whole ; "zoikos"-of animals) is a type of heterotrophic nutrition that is characterized by the internalization (ingestion) and internal processing of gaseous, liquids or solid food particles. Protozoa, such as amoebas, and most of the free living animals, such as humans, exhibit this t... | https://en.wikipedia.org/wiki?curid=15430615 |
Heinrich Christian Burckhardt (26 February 1811, Adelebsen – 14 December 1879, Hannover) was a German forester and entomologist. In 1853 Burckhardt became the first civil director of forest administration in the Kingdom of Hanover (after 1866 a province of Prussia. He wrote "Säen und Pflanzen nach forstlicher Praxis: e... | https://en.wikipedia.org/wiki?curid=15432121 |
Monterey Accelerated Research System (MARS) is a cabled-based observatory system below the surface of Monterey Bay, developed and managed by the Monterey Bay Aquarium Research Institute. The system, operational since November 10, 2008, incorporates a undersea cable that carries data and power to benthic instrument node... | https://en.wikipedia.org/wiki?curid=15445422 |
Rain-out model The rain-out model is a model of planetary science that describes the first stage of planetary differentiation and core formation. According to this model, a planetary body is assumed to be composed primarily of silicate minerals and NiFe (i.e. a mixture of nickel and iron). If temperatures within this b... | https://en.wikipedia.org/wiki?curid=15448809 |
Rain-out model The rain-out model can be invoked to explain core formation in all the terrestrial planets, given that these consist primarily of silicates, nickel and iron. It can also be adapted to account for core formation in smaller bodies composed of ices and silicates. In such a case, it would be the denser silic... | https://en.wikipedia.org/wiki?curid=15448809 |
Wind stress In physical oceanography and fluid dynamics, the wind stress is the shear stress exerted by the wind on the surface of large bodies of water – such as oceans, seas, estuaries and lakes. It is the force component parallel to the surface, per unit area, as applied by the wind on the water surface. The wind st... | https://en.wikipedia.org/wiki?curid=15452231 |
Wind stress These formulas parametrize the shear stress as a function of the wind speed at a certain height above the surface ("U") in the form where formula_2 is the density of the air; "C" is a dimensionless quantity wind-drag coefficient and is a repository function for all remaining dependencies. The height at whic... | https://en.wikipedia.org/wiki?curid=15452231 |
Rabbit (nuclear engineering) In the field of nuclear engineering, a rabbit refers to a pneumatically controlled tool used to insert small samples of material inside the core of a nuclear reactor usually for the purpose studying the effect of irradiation on the material. Some rabbits have special linings to screen out c... | https://en.wikipedia.org/wiki?curid=15460100 |
Kern arc The is an extremely rare atmospheric optical phenomenon belonging to the family of ice crystal halos. It is a complete and faint circle around the zenith, in contrast to the related and much more common circumzenithal arc, which is only ever a partial circle. The is named after H.F.A. Kern in the Netherlands, ... | https://en.wikipedia.org/wiki?curid=15467377 |
Ursa (Finland) Ursa Astronomical Association () is the largest astronomical association in Finland. Ursa was founded on 2 November 1921. Founding members include a renowned Finnish astronomer Yrjö Väisälä. In 1926 Ursa established the Ursa Observatory in Kaivopuisto district of Helsinki. In 2007 the Tähtikallio Observa... | https://en.wikipedia.org/wiki?curid=15497994 |
Index of Earth science articles Earth science (also known as geoscience, the geosciences or the Earth Sciences), is an all-embracing term for the sciences related to the planet Earth. It is arguably a special case in planetary science, the Earth being the only known life-bearing planet. There are both reductionist and ... | https://en.wikipedia.org/wiki?curid=15503387 |
Marine counterparts of land creatures The idea that there are specific marine counterparts to land creatures, inherited from the writers on natural history in Antiquity, was firmly believed in Islam and in Medieval Europe. It is exemplified by the creatures represented in the medieval animal encyclopedias called bestia... | https://en.wikipedia.org/wiki?curid=15522138 |
Marine counterparts of land creatures Rashi (Psalms 49:2) traces this to a biblical source – the land is referred to as "Chaled", from the weasel (chulda), because the weasel is the only animal on dry land that does not have its counterpart in the sea. All of Creation was considered to reflect the Creator, and Man coul... | https://en.wikipedia.org/wiki?curid=15522138 |
Marine counterparts of land creatures Christian writers, trained in anagogical thinking and expecting to find spiritual instruction inherent in the processes of Nature, disregarded the caveat in Pliny's Natural History, where the idea is presented as a "vulgar opinion": Hence it is that the vulgar notion may very possi... | https://en.wikipedia.org/wiki?curid=15522138 |
Marine counterparts of land creatures Sir Thomas Browne devoted a chapter of his "Pseudodoxia Epidemica" to dispelling such a belief: Chapter XXIV: "That all Animals in the land are in their kinde in the Sea." During the Enlightenment the ancient conception was given an innovative and rationalized cast by Benoît de Mai... | https://en.wikipedia.org/wiki?curid=15522138 |
Marine counterparts of land creatures Have not the Sea-Apes precisely the same figure with those of the Land? Though in "Moby-Dick" Ishmael, with a nod to Sir Thomas Browne's wording, denies the claim that land animals find their counterparts in the sea,For though some old naturalists have maintained that all creatures... | https://en.wikipedia.org/wiki?curid=15522138 |
Emanuele Paternò di Sessa was an Italian chemist, discoverer of the Paternò–Büchi reaction. He was born in Palermo in 1847 as the Marquess of Sessa, in a branch of the House of Paternò, and studied at the University of Palermo with Stanislao Cannizzaro. In 1871 he became lecturer at the University of Torino, but return... | https://en.wikipedia.org/wiki?curid=15524097 |
Excitation function is a term used in nuclear physics to describe a graphical plot of the yield of a radionuclide or reaction channel as a function of the bombarding projectile energy or the calculated excitation energy of the compound nucleus. The excitation function typically resembles a Gaussian bell curve. Mathemat... | https://en.wikipedia.org/wiki?curid=15524134 |
Lev Chugaev Lev Aleksandrovich Chugaev (16 October 1873 – 26 September 1922) was a Russian chemist. At the height of his career, he was professor of chemistry at the University of Petersburg, being the successor to Dmitri Mendeleev. He was active in the fields of inorganic chemistry, especially platinum group complexes... | https://en.wikipedia.org/wiki?curid=15525553 |
Diachronism In geology, a diachronism (Greek "dia", "through" + "chronos", "time" + "-ism"), or diachronous deposit, is a sedimentary rock formation in which the material, although of a similar nature, varies in age with the place where it was deposited. Typically this occurs as a result of a marine transgression or re... | https://en.wikipedia.org/wiki?curid=15525935 |
Scutellum (botany) The Scutellum is part of the structure of a barley and rice seed—the modified seed leaf. The scutellum (from the Latin "scutella" meaning "small shield") can also refer to the equivalence of a thin cotyledon in monocots (especially members of the grass family). It is very thin with high surface area,... | https://en.wikipedia.org/wiki?curid=15530718 |
Aleksandr Arbuzov Aleksandr Erminingeldovich Arbuzov (12 October 1877 – 22 January 1968) was a Russian Empire and Soviet chemist who discovered the Michaelis–Arbuzov reaction. A native of Bilyarsk, Arbuzov studied in the Kazan University under Alexander Mikhaylovich Zaytsev. He graduated in 1900 and became professor at... | https://en.wikipedia.org/wiki?curid=15541504 |
Hamaker constant The "A" can be defined for a Van der Waals (VdW) body–body interaction: where formula_2 and formula_3 are the number densities of the two interacting kinds of particles, and "C" is the coefficient in the particle–particle pair interaction. It is named after H. C. Hamaker. The provides the means to dete... | https://en.wikipedia.org/wiki?curid=15544038 |
Ridley–Watkins–Hilsum theory In solid state physics the (RWH) explains the mechanism by which differential negative resistance is developed in a bulk solid state semiconductor material when a voltage is applied to the terminals of the sample. It is the theory behind the operation of the Gunn diode as well as several ot... | https://en.wikipedia.org/wiki?curid=15544777 |
Ridley–Watkins–Hilsum theory While this transfer occurs, the material exhibits a decrease in current – that is, a negative differential resistance. At higher voltages, the normal increase of current with voltage relation resumes once the bulk of the carriers are kicked into the higher energy-mass valley. Therefore the ... | https://en.wikipedia.org/wiki?curid=15544777 |
Raimondo Feletti (1851-1927) was an Italian physician and zoologist. Feletti worked at a clinic in Catania where a street is named for him "Via Raimondo Feletti".With Giovanni Batista Grassi he published several works on malarial parasites in birds. They described, and introduced the names "Haemamoeba vivax" (1890) and... | https://en.wikipedia.org/wiki?curid=15569567 |
Andrewsite is a now discredited mineral originally reported at the Wheal Phoenix mine, near Liskeard in Cornwall. It was named for Thomas Andrews FRS, the English chemist. It has been shown to be a mixture of hentschelite and rockbridgeite, with minor chalcosiderite. | https://en.wikipedia.org/wiki?curid=15580858 |
Boreas (journal) Boreas is a peer-reviewed academic journal that has been published on behalf of the Collegium Boreas since 1972. The journal covers all branches of quaternary research, including biological and non-biological aspects of the quaternary environment in both glaciated and non-glaciated areas. Formerly publ... | https://en.wikipedia.org/wiki?curid=15586403 |
Orchidology The orchidology is the scientific study of orchids. It is an organismal-level branch of botany. | https://en.wikipedia.org/wiki?curid=15601579 |
Nitrogen–phosphorus detector The nitrogen–phosphorus detector (NPD) is also known as thermionic specific detector (TSD) is a detector commonly used with gas chromatography, in which thermal energy is used to ionize an analyte. It is a type of flame thermionic detector (FTD), the other being the alkali flame-ionization ... | https://en.wikipedia.org/wiki?curid=15603775 |
Nicolae Frolov (1876–1948) was a Romanian geologist and agronomist from Bessarabia. He was noted for his work in explicating the hydrology of Bessarabia and as director of the Chișinău National Museum. Born in Corneşti, Ungheni, Bessarabia, he graduated from Chișinău Theological Seminary and then went to Estonia where ... | https://en.wikipedia.org/wiki?curid=15613454 |
Gene knock-in In molecular cloning and biology, a knock-in (or gene knock-in) refers to a genetic engineering method that involves the one-for-one substitution of DNA sequence information in a genetic locus or the insertion of sequence information not found within the locus. Typically, this is done in mice since the te... | https://en.wikipedia.org/wiki?curid=15620079 |
Gene knock-in The use of "loxP" flanking sites that become excised upon expression of Cre recombinase with gene vectors is an example of this. Embryonic stem cells with the modification of interest are then implanted into a viable blastocyst, which will grow into a mature chimeric mouse with some cells having the origi... | https://en.wikipedia.org/wiki?curid=15620079 |
Gene knock-in Knock-in technology is different from knockout technology in that knockout technology aims to either delete part of the DNA sequence or insert irrelevant DNA sequence information to disrupt the expression of a specific genetic locus. technology, on the other hand, alters the genetic locus of interest via ... | https://en.wikipedia.org/wiki?curid=15620079 |
Gene knock-in Many of these are shared with the limitations of knockout technology. First, combinations of knock-in genes lead to growing complexity in the interactions that inserted genes and their products have with other sections of the genome and can therefore lead to more side effects and difficult-to-explain phen... | https://en.wikipedia.org/wiki?curid=15620079 |
Alexander Kirilow Drenowski (22 July 1879, Ruse – 24 April 1967, Sofia) was a Bulgarian entomologist who specialised in Lepidoptera. Between 1904 and 1953 Drenowski wrote 77 scientific papers on the butterflies of Bulgaria.His most significant work was on the butterflies of the Bulgarian high mountains Rila, Pirin, Rho... | https://en.wikipedia.org/wiki?curid=15637220 |
Peter Kolbe (1675–1726) (also referred to as Kolb, Kolben or Colbe) was sent to the Cape of Good Hope with letters of introduction from Nicolaas Witsen, mayor of Amsterdam, with a mandate to compile a comprehensive description of South Africa and for astronomical and surveying research. Kolbe is best remembered for his... | https://en.wikipedia.org/wiki?curid=15638655 |
Peter Kolbe ""Several beautiful country seats, vineyards and gardens are to be seen on almost every side of the Table-Hill. The Company has here two very spacious, rich and beautiful Gardens. In one of them stands, erected at the Company's Expense, a noble Pleasure-House for the Governor, and near it a beautiful Grove ... | https://en.wikipedia.org/wiki?curid=15638655 |
Dehydrating agent A dehydrating agent may refer to: | https://en.wikipedia.org/wiki?curid=15642090 |
Sullivan (Mercurian crater) Sullivan is a crater on Mercury. | https://en.wikipedia.org/wiki?curid=15644028 |
Maralinga: Australia's Nuclear Waste Cover-up Maralinga: Australia’s Nuclear Waste Cover-up is a book by Alan Parkinson about the clean-up of the British atomic bomb test site at Maralinga in South Australia, published in 2007. Parkinson, a nuclear engineer, explains that the clean-up of Maralinga in the late 1990s was... | https://en.wikipedia.org/wiki?curid=15652989 |
Peterson Identification System The is a practical method for the field identification of animals, plants and other natural phenomena. It was devised by ornithologist Roger Tory Peterson in 1934 for the first of his series of "Field Guide"s (See Peterson Field Guides.) Peterson devised his system "so that live birds cou... | https://en.wikipedia.org/wiki?curid=15654603 |
Colour retention agent Colour retention agents are food additives that are added to food to prevent the colour from changing. Many of them work by absorbing or binding to oxygen before it can damage food (antioxidants). For example, ascorbic acid (vitamin C) is often added to brightly coloured fruits such as peaches du... | https://en.wikipedia.org/wiki?curid=15665197 |
Emil Votoček (5 October 1872 – 11 October 1950) was a Czech chemist, composer and music theorist. He is noted for his chemistry textbooks and multilingual dictionaries in both chemistry and music. Votoček studied at the Czech Institute of Technology later in Mulhouse and received his PhD with Bernhard Tollens at the Un... | https://en.wikipedia.org/wiki?curid=15673733 |
Lajos Winkler (May 21, 1863 – April 14, 1939) was a Hungarian analytical chemist. He is best known today for his discovery of the Winkler method for the measurement of oxygen dissolved in water. Relatively little is in print in English concerning the life of Lajos Winkler. Winkler studied science at the Budapest Univer... | https://en.wikipedia.org/wiki?curid=15687732 |
Transition temperature is the temperature at which a material changes from one crystal state (allotrope) to another. More formally, it is the temperature at which two crystalline forms of a substance can co-exist in equilibrium. For example, when rhombic sulfur is heated above 95.6 °C it changes form into monoclinic su... | https://en.wikipedia.org/wiki?curid=15690323 |
Samarendra Maulik Samarendra Nath Maulik (1881 in Tamluk – 1950 in Chelsea) was an Indian entomologist. Maulik was a specialist in Coleoptera, and worked at the British Museum (Natural History) where he studied leaf beetles (Chrysomelidae; he had also held the position of Professor of Zoology at the University of Calcu... | https://en.wikipedia.org/wiki?curid=15699696 |
Onlap or overlap is the geologic phenomenon of successively wedge-shaped younger rock strata extending progressively further across an erosion surface cut in older rocks. It is generally associated with a marine transgression. It is a more general term than overstep, in which the younger beds overlap onto successively ... | https://en.wikipedia.org/wiki?curid=15709627 |
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