id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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40,779 | https://en.wikipedia.org/wiki/BCH%20code | In coding theory, the Bose–Chaudhuri–Hocquenghem codes (BCH codes) form a class of cyclic error-correcting codes that are constructed using polynomials over a finite field (also called a Galois field). BCH codes were invented in 1959 by French mathematician Alexis Hocquenghem, and independently in 1960 by Raj Chandra B... | BCH code | Mathematics,Engineering | 4,207 |
1,250,090 | https://en.wikipedia.org/wiki/Blood%20culture | A blood culture is a medical laboratory test used to detect bacteria or fungi in a person's blood. Under normal conditions, the blood does not contain microorganisms: their presence can indicate a bloodstream infection such as bacteremia or fungemia, which in severe cases may result in sepsis. By culturing the blood, m... | Blood culture | Chemistry,Biology | 5,383 |
990,343 | https://en.wikipedia.org/wiki/Lindenbaum%E2%80%93Tarski%20algebra | In mathematical logic, the Lindenbaum–Tarski algebra (or Lindenbaum algebra) of a logical theory T consists of the equivalence classes of sentences of the theory (i.e., the quotient, under the equivalence relation ~ defined such that p ~ q exactly when p and q are provably equivalent in T). That is, two sentences are e... | Lindenbaum–Tarski algebra | Mathematics | 510 |
2,266,631 | https://en.wikipedia.org/wiki/Finger%20binary | Finger binary is a system for counting and displaying binary numbers on the fingers of either or both hands. Each finger represents one binary digit or bit. This allows counting from zero to 31 using the fingers of one hand, or 1023 using both: that is, up to 25−1 or 210−1 respectively.
Modern computers typically stor... | Finger binary | Mathematics | 1,537 |
67,325,019 | https://en.wikipedia.org/wiki/Andrei%20Gritsan | Andrei V. Gritsan is an American-Siberian particle physicist. He was a member of a team of researchers at the Large Hadron Collider, who, in 2012, announced the discovery of a new subatomic particle, a Higgs boson.
Early life and education
Gritsan was born in Russia and graduated from Novosibirsk State University with... | Andrei Gritsan | Physics | 311 |
15,809,725 | https://en.wikipedia.org/wiki/The%20Robotic%20Workshop | The Robotic Workshop was a toy kit, much like Lego Mindstorms, that allowed users to build and program robots using a home computer.
Access Software announced The Robotic Workshop in the January 1987 issue of Ahoy! magazine. A review later appeared in the May 1988 issue of Compute! magazine. The kit included over 50 ... | The Robotic Workshop | Technology | 149 |
2,182,805 | https://en.wikipedia.org/wiki/Periodinane | Periodinanes also known as λ5-iodanes are organoiodine compounds with iodine in the +5 oxidation state. These compounds are described as hypervalent because the iodine center has more than 8 valence electrons.
Periodinane compounds
The λ5-iodanes such as the Dess-Martin periodinane have square pyramidal geometry with ... | Periodinane | Chemistry | 283 |
4,625,335 | https://en.wikipedia.org/wiki/Symbiotic%20bacteria | Symbiotic bacteria are bacteria living in symbiosis with another organism or each other. For example, rhizobia living in root nodules of legumes provide nitrogen fixing activity for these plants.
Types of symbiosis
Types of symbiotic relationships are mutualism, commensalism, parasitism, and amensalism.
Endosymbiosi... | Symbiotic bacteria | Biology | 1,827 |
56,278,061 | https://en.wikipedia.org/wiki/Wash%20copper | A wash copper, copper boiler or simply copper is a wash house boiler, generally made of galvanised iron, though the best sorts are made of copper. In the inter-war years they came in two types. The first is built into a brickwork furnace and was found in older houses. The second was the free-standing or portable type, ... | Wash copper | Chemistry | 367 |
18,580,879 | https://en.wikipedia.org/wiki/Transport | Transport (in British English) or transportation (in American English) is the intentional movement of humans, animals, and goods from one location to another. Modes of transport include air, land (rail and road), water, cable, pipelines, and space. The field can be divided into infrastructure, vehicles, and operations.... | Transport | Physics | 6,168 |
48,987,289 | https://en.wikipedia.org/wiki/Free%20stationing | In surveying, free stationing (also known as resection) is a method of determining a location of one unknown point in relation to known points. There is a zero point of reference called a total station. The instrument can be freely positioned so that all survey points are at a suitable sight from the instrument. When s... | Free stationing | Mathematics,Engineering | 858 |
38,320,611 | https://en.wikipedia.org/wiki/Deborah%20Temkin | Deborah A. Temkin (aka Deborah Temkin Cahill; born 1985) is an American child development and prevention research scientist, specializing in bullying prevention, school climate, and connecting education policy to healthy youth development. She was the Research and Policy Coordinator for Bullying Prevention Initiatives ... | Deborah Temkin | Biology | 915 |
24,399,529 | https://en.wikipedia.org/wiki/C15H19NO3 | {{DISPLAYTITLE:C15H19NO3}}
The molecular formula C15H19NO3 may refer to:
Hydroxytropacocaine
3',4'-Methylenedioxy-α-pyrrolidinobutiophenone
Molecular formulas | C15H19NO3 | Physics,Chemistry | 59 |
54,157,502 | https://en.wikipedia.org/wiki/Reinforced%20Concrete%20Association | The Reinforced Concrete Association was a British engineering organisation. Many important British buildings in the twentieth century were made from reinforced concrete.
Function
It produced the journal Structural Concrete.
Presidents
1956–57, Sir Frederick Snow
Structure
In the 1930s it has headquartered on Dartmo... | Reinforced Concrete Association | Engineering | 78 |
32,164,037 | https://en.wikipedia.org/wiki/Hubert%20%C3%96sterle | Hubert Österle (born 24 June 1949, Dornbirn) is an Austrian academic, and Professor Emeritus of Business and Information Systems, and former director of the Institute of Information Management at the University of St. Gallen.
Career
Hubert Österle studied business administration at the University of Innsbruck and the... | Hubert Österle | Technology | 1,058 |
47,840,549 | https://en.wikipedia.org/wiki/Fluopyram | Fluopyram is a fungicide and nematicide used in agriculture. It is used to control fungal diseases such as gray mold (Botrytis cinerea), powdery mildew, apple scab, Alternaria, Sclerotinia, and Monilinia. It is an inhibitor of succinate dehydrogenase (SDHI fungicide).
Developed and produced by Bayer, it was approved ... | Fluopyram | Biology | 142 |
2,916,590 | https://en.wikipedia.org/wiki/Omega2%20Cancri | {{DISPLAYTITLE:Omega2 Cancri}}
ω2 Cancri is a star in the zodiac constellation Cancer, located around 810 light years away from the Sun. It has the Flamsteed designation 4 Cancri; ω2 Cancri is the Bayer designation, which is Latinised to omega2 Cancri and abbreviated to ω2 Cnc or omega2 Cnc. The star is near t... | Omega2 Cancri | Astronomy | 269 |
49,234,192 | https://en.wikipedia.org/wiki/Frank%20Garvan | Francis G. Garvan (born March 9, 1955) is an Australian-born mathematician who specializes in number theory and combinatorics. He holds the position Professor of Mathematics at the University of Florida. He received his Ph.D. from Pennsylvania State University (January, 1986) with George E. Andrews as his thesis adviso... | Frank Garvan | Mathematics | 283 |
34,956,689 | https://en.wikipedia.org/wiki/Holospondyli | Holospondyli is a proposed clade of lepospondyls from the Early Carboniferous to the Late Permian that includes the aistopods, the paraphyletic nectrideans, and possibly also Adelospondyli. However, aistopods have since been recovered as stem-tetrapods more primitive than temnospondyls or other groups of lepospondyls.
... | Holospondyli | Biology | 102 |
28,341,819 | https://en.wikipedia.org/wiki/Redundant%20Array%20of%20Inexpensive%20Servers | A Redundant Array of Inexpensive Servers (RAIS) or Redundant Array of Independent Nodes (RAIN) is the use of multiple servers to maintain service if one server fails. This is similar in concept to how RAID turns a cluster of ordinary disks into a single block device. RAIS was designed to provide the benefits of a symm... | Redundant Array of Inexpensive Servers | Technology | 413 |
2,909,281 | https://en.wikipedia.org/wiki/Upjohn | The Upjohn Company was an American pharmaceutical manufacturing firm (est. 1886) in Hastings, Michigan, by Dr. William E. Upjohn, a 1875 graduate of the University of Michigan medical school. The company was originally formed to make friable pills, specifically designed to crush easily, and thus be easier for patients ... | Upjohn | Biology | 646 |
16,311,904 | https://en.wikipedia.org/wiki/17%20Leporis | 17 Leporis is a binary star system in the southern constellation of Lepus. It has an overall apparent visual magnitude which varies between 4.82 and 5.06, making it luminous enough to be visible to the naked eye as a faint star. The variable star designation for this system is SS Leporis, while 17 Leporis is the Flamst... | 17 Leporis | Astronomy | 326 |
744,569 | https://en.wikipedia.org/wiki/Stone%E2%80%93von%20Neumann%20theorem | In mathematics and in theoretical physics, the Stone–von Neumann theorem refers to any one of a number of different formulations of the uniqueness of the canonical commutation relations between position and momentum operators. It is named after Marshall Stone and John von Neumann.
Representation issues of the commutat... | Stone–von Neumann theorem | Physics,Mathematics | 3,054 |
9,302,182 | https://en.wikipedia.org/wiki/Watson%20interferometer | The Watson interferometer is a vintage microscope accessory (for use only in reflected light microscopy) which was manufactured by the Watson Company in Great Britain. It is a variant of Michelson interferometer that can be installed on a conventional microscope. It consists of a beam splitter and varying the distance ... | Watson interferometer | Technology,Engineering | 105 |
16,548,097 | https://en.wikipedia.org/wiki/Walkman%20effect | The Walkman effect is the way music listened to via headphones grants the listener more control over their environment. The term was coined by Shuhei Hosokawa, a professor at the International Research Center for Japanese Studies, in an article published in Popular Music in 1984. While the term was named after the d... | Walkman effect | Technology | 1,105 |
8,140,632 | https://en.wikipedia.org/wiki/Midkine | Midkine (MK or MDK), also known as neurite growth-promoting factor 2 (NEGF2), is a protein that in humans is encoded by the MDK gene.
Midkine is a basic heparin-binding growth factor of low molecular weight, and forms a family with pleiotrophin (NEGF1, 46% homologous with MK). It is a nonglycosylated protein, composed... | Midkine | Chemistry | 1,382 |
34,961,349 | https://en.wikipedia.org/wiki/Buchsbaum%20ring | In mathematics, Buchsbaum rings are Noetherian local rings such that every system of parameters is a weak sequence.
A sequence of the maximal ideal is called a weak sequence if for all .
They were introduced by and are named after David Buchsbaum.
Every Cohen–Macaulay local ring is a Buchsbaum ring. Every Buchsba... | Buchsbaum ring | Mathematics | 89 |
30,109,600 | https://en.wikipedia.org/wiki/Parataxonomy | Parataxonomy is a system of labor division for use in biodiversity research, in which the rough sorting tasks of specimen collection, field identification, documentation and preservation are conducted by primarily local, less specialized individuals, thereby alleviating the workload for the "alpha" or "master" taxonomi... | Parataxonomy | Biology | 653 |
21,402,632 | https://en.wikipedia.org/wiki/Electroencephalography | Electroencephalography (EEG)
is a method to record an electrogram of the spontaneous electrical activity of the brain. The biosignals detected by EEG have been shown to represent the postsynaptic potentials of pyramidal neurons in the neocortex and allocortex. It is typically non-invasive, with the EEG electrodes place... | Electroencephalography | Mathematics | 13,592 |
18,646,738 | https://en.wikipedia.org/wiki/International%20Journal%20of%20Biometeorology | The International Journal of Biometeorology is a peer-reviewed scientific journal which publishes original research papers, review articles, and short communications on studies examining the interactions between living organisms and factors of the natural and artificial physical environment. The journal is published by... | International Journal of Biometeorology | Environmental_science | 141 |
100,643 | https://en.wikipedia.org/wiki/List%20of%20people%20in%20systems%20and%20control | This is an alphabetical list of people who have made significant contributions in the fields of system analysis and control theory.
Eminent researchers
The eminent researchers (born after 1920) include the winners of at least one award of the IEEE Control Systems Award, the Giorgio Quazza Medal, the Hendrik W. Bode Le... | List of people in systems and control | Engineering | 334 |
97,830 | https://en.wikipedia.org/wiki/Nuclear%20technology | Nuclear technology is technology that involves the nuclear reactions of atomic nuclei. Among the notable nuclear technologies are nuclear reactors, nuclear medicine and nuclear weapons. It is also used, among other things, in smoke detectors and gun sights.
History and scientific background
Discovery
The vast major... | Nuclear technology | Physics | 4,663 |
18,933,176 | https://en.wikipedia.org/wiki/Abandonware | Abandonware is a product, typically software, ignored by its owner and manufacturer, which can no longer be found for sale, and for which no official support is available and cannot be bought.
Within an intellectual rights contextual background, abandonware is a software (or hardware) sub-case of the general concept o... | Abandonware | Engineering | 4,515 |
53,000,969 | https://en.wikipedia.org/wiki/Acetryptine | Acetryptine (INN) (developmental code name W-2965-A), also known as 5-acetyltryptamine (5-AT), is a drug described as an antihypertensive agent which was never marketed. Structurally, acetryptine is a substituted tryptamine, and is closely related to other substituted tryptamines like serotonin (5-hydroxytryptamine). I... | Acetryptine | Chemistry | 280 |
195,802 | https://en.wikipedia.org/wiki/Eurasian%20magpie | The Eurasian magpie or common magpie (Pica pica) is a resident breeding bird throughout the northern part of the Eurasian continent. It is one of several birds in the crow family (corvids) designated magpies, and belongs to the Holarctic radiation of "monochrome" magpies. In Europe, "magpie" is used by English speakers... | Eurasian magpie | Biology | 3,451 |
43,009,564 | https://en.wikipedia.org/wiki/Candida%20zemplinina | Candida zemplinina is a yeast species that is osmotolerant, psychrotolerant and ferments sweet botrytized wines. Its type strain is 10-372T (=CBS 9494T =NCAIM Y016667T).
References
Further reading
Fungi described in 2003
zemplinina
Yeasts
Fungus species | Candida zemplinina | Biology | 77 |
73,390 | https://en.wikipedia.org/wiki/Residue%20theorem | In complex analysis, the residue theorem, sometimes called Cauchy's residue theorem, is a powerful tool to evaluate line integrals of analytic functions over closed curves; it can often be used to compute real integrals and infinite series as well. It generalizes the Cauchy integral theorem and Cauchy's integral formul... | Residue theorem | Mathematics | 1,070 |
33,869,124 | https://en.wikipedia.org/wiki/P-adic%20gamma%20function | In mathematics, the p-adic gamma function Γp is a function of a p-adic variable analogous to the gamma function. It was first explicitly defined by , though pointed out that implicitly used the same function. defined a p-adic analog Gp of log Γ. had previously given a definition of a different p-adic analogue of th... | P-adic gamma function | Mathematics | 558 |
8,624,952 | https://en.wikipedia.org/wiki/Current%20differencing%20transconductance%20amplifier | Current differencing transconductance amplifier (CDTA) is a new active circuit element.
Properties
The CDTA is not free from parasitic input capacitances and it can operate in a wide frequency range due to current-mode operation. Some voltage and current mode applications using this element have already been reported ... | Current differencing transconductance amplifier | Technology | 564 |
216,792 | https://en.wikipedia.org/wiki/Vampire%20tap | A vampire tap (also called a piercing tap) is a device for physically connecting a station, typically a computer, to a network that used 10BASE5 cabling. This device clamped onto and "bit" into the cable (hence the name "vampire"), inserting a probe through a hole drilled using a special tool through the outer shieldin... | Vampire tap | Technology,Engineering | 199 |
52,286,500 | https://en.wikipedia.org/wiki/Dewan%20Singh%20Bhakuni | Dewan Singh Bhakuni (30 December 1930 – 22 April 2021) was an Indian natural product chemist, stereochemist who was a director general-grade scientist of the Central Drug Research Institute. He is known for his researches on the biogenesis of alkaloids and is an elected fellow of the Indian Academy of Sciences, the Nat... | Dewan Singh Bhakuni | Chemistry | 901 |
3,159,833 | https://en.wikipedia.org/wiki/Infiltration%20%28hydrology%29 | Infiltration is the process by which water on the ground surface enters the soil. It is commonly used in both hydrology and soil sciences. The infiltration capacity is defined as the maximum rate of infiltration. It is most often measured in meters per day but can also be measured in other units of distance over time i... | Infiltration (hydrology) | Physics,Chemistry,Engineering,Environmental_science | 2,902 |
42,533,047 | https://en.wikipedia.org/wiki/Shivar%20Springs%20Bottling%20Company%20Cisterns | Shivar Springs Bottling Company Cisterns is a set of six historic cisterns located near Winnsboro, Fairfield County, South Carolina. They were built about 1900, and are a group of six cylindrical, stuccoed stone cisterns with concrete domes. The Shivar Springs Bottling Company was in operation from about 1900 to about ... | Shivar Springs Bottling Company Cisterns | Chemistry | 169 |
3,541,802 | https://en.wikipedia.org/wiki/Pilot%20experiment | A pilot experiment, pilot study, pilot test or pilot project is a small-scale preliminary study conducted to evaluate feasibility, duration, cost, adverse events, and improve upon the study design prior to performance of a full-scale research project.
Implementation
Pilot experiments are frequently carried out before ... | Pilot experiment | Engineering | 548 |
29,450,015 | https://en.wikipedia.org/wiki/Gajski%E2%80%93Kuhn%20chart | The Gajski–Kuhn chart (or Y diagram) depicts the different perspectives in VLSI hardware design. Mostly, it is used for the development of integrated circuits. Daniel Gajski and Robert Kuhn developed it in 1983. In 1985, Robert Walker and Donald Thomas refined it.
According to this model, the development of hardware ... | Gajski–Kuhn chart | Technology,Engineering | 425 |
48,485,384 | https://en.wikipedia.org/wiki/Sophie%20Germain%20Prize | The Sophie Germain Prize (in French: Prix Sophie Germain) is an annual mathematics prize awarded by the French Academy of Sciences to researchers who have carried out fundamental research in mathematics. The award has been conferred every year since 2003 and comes with a €8000 cash prize. It is named after the French m... | Sophie Germain Prize | Technology | 83 |
320,997 | https://en.wikipedia.org/wiki/Symmedian | In geometry, symmedians are three particular lines associated with every triangle. They are constructed by taking a median of the triangle (a line connecting a vertex with the midpoint of the opposite side), and reflecting the line over the corresponding angle bisector (the line through the same vertex that divides the... | Symmedian | Mathematics | 836 |
49,635,656 | https://en.wikipedia.org/wiki/Retropubic%20paravaginal%20repair | A retropubic paravaginal repair is the surgical procedure to reattach the anterior lateral vaginal wall and its connective tissue to its normal position in the pelvis to correct pelvic organ prolapse. It may be necessary to preserve normal function of pelvic organs after the vagina has detached from its normal position... | Retropubic paravaginal repair | Biology | 172 |
46,177,274 | https://en.wikipedia.org/wiki/R%20Microscopii | R Microscopii is a star in the constellation Microscopium. It is a red giant star of spectral type M4e that is also a Mira variable, with an apparent magnitude ranging between 8.3 and 13.8 over 138 days. Located around 1000 light-years distant, it shines with a luminosity 444 times that of the Sun and has a surface te... | R Microscopii | Astronomy | 147 |
455,570 | https://en.wikipedia.org/wiki/Henry%20Gilman | Henry Gilman (May 9, 1893 – November 7, 1986) was an American organic chemist known as the father of organometallic chemistry. He discovered the Gilman reagent, which bears his name.
Early life and education
Henry Gilman was born in Boston, Massachusetts, as the son of a tailor. He was the third of eight children. G... | Henry Gilman | Chemistry | 1,403 |
77,602,159 | https://en.wikipedia.org/wiki/Embaphias | Embaphias is a dubious genus of plesiosaur from the Late Cretaceous of North America. It was named by Edward Drinker Cope on the basis of three cervical vertebrae. The type species is E. circulosus.
See also
List of plesiosaur genera
References
Late Cretaceous plesiosaurs of North America
Fossil taxa described in 18... | Embaphias | Biology | 91 |
26,451,850 | https://en.wikipedia.org/wiki/MALAT1-associated%20small%20cytoplasmic%20RNA | MALAT1-associated small cytoplasmic RNA, also known as mascRNA, is a non-coding RNA found in the cytosol. This is a small RNA, roughly 53–61 nucleotides in length, that is processed from a much longer ncRNA called MALAT1 by an enzyme called RNase P. This RNA is expressed in many different human tissues, is highly conse... | MALAT1-associated small cytoplasmic RNA | Chemistry | 268 |
32,805,335 | https://en.wikipedia.org/wiki/Wintec%20Industries | Wintec Industries, founded in 1988, is headquartered in Newark, California. Wintec provides original equipment manufacturer (OEM), specialized services in product design, manufacturing, and supply chain services related to memory and storage components, featuring: flash modules (CF, SD, USB, CFast, embedded flash, SSD,... | Wintec Industries | Technology | 168 |
19,667,315 | https://en.wikipedia.org/wiki/Tendril%20perversion | Tendril perversion is a geometric phenomenon sometimes observed in helical structures in which the direction of the helix transitions between left-handed and right-handed. Such a reversal of chirality is commonly seen in helical plant tendrils and telephone handset cords.
The phenomenon was known to Charles Darwin, w... | Tendril perversion | Physics,Chemistry,Mathematics,Biology | 384 |
47,169,068 | https://en.wikipedia.org/wiki/Penicillium%20proteolyticum | Penicillium proteolyticum is an anamorph species of fungus in the genus Penicillium which produces wortmannin.
References
proteolyticum
Fungi described in 1961
Fungus species | Penicillium proteolyticum | Biology | 46 |
54,804,319 | https://en.wikipedia.org/wiki/Stilbonematinae | Stilbonematinae is a subfamily of the nematode worm family Desmodoridae that is notable for its symbiosis with sulfur-oxidizing bacteria.
Systematics
Stilbonematinae Chitwood, 1936 belongs to the family Desmodoridae in the order Desmodorida. Nine genera have been described.
Adelphos Ott, 1997
Catanema Cobb, 1920
C... | Stilbonematinae | Biology | 721 |
7,044,296 | https://en.wikipedia.org/wiki/Cold%20water%20pitting%20of%20copper%20tube | Cold water pitting of copper tube occurs in only a minority of installations. Copper water tubes are usually guaranteed by the manufacturer against manufacturing defects for a period of 50 years. The vast majority of copper systems far exceed this time period but a small minority may fail after a comparatively short t... | Cold water pitting of copper tube | Chemistry,Materials_science,Environmental_science | 1,773 |
26,132 | https://en.wikipedia.org/wiki/Rankine%20scale | The Rankine scale ( ) is an absolute scale of thermodynamic temperature named after the University of Glasgow engineer and physicist Macquorn Rankine, who proposed it in 1859.
History
Similar to the Kelvin scale, which was first proposed in 1848, zero on the Rankine scale is absolute zero, but a temperature differenc... | Rankine scale | Physics,Mathematics | 272 |
28,602,711 | https://en.wikipedia.org/wiki/Rapha%C3%ABl%20Dubois | Raphaël Horace Dubois (20 June 1849, Le Mans – 21 January 1929) was a French pharmacologist known for his work on bioluminescence and anesthesia. He coined the terms proteon and bioproteon, from the Greek "proteon" for matter and "bios" for life. Bioproteon means "living matter". He concluded that there was no differ... | Raphaël Dubois | Chemistry,Biology | 258 |
2,281,512 | https://en.wikipedia.org/wiki/Delta%20Eridani | Delta Eridani, which is Latinized from δ Eridani, is the fifth-brightest star in the constellation of Eridanus.
The star is visible to the naked eye and has been observed to vary slightly in brightness between magnitudes 3.51 and 3.56, although subsequent observations did not bear this out. It is relatively near to th... | Delta Eridani | Astronomy | 558 |
5,838,565 | https://en.wikipedia.org/wiki/Urine-indicator%20dye | Urine-indicator dye is a mythical substance that is supposed to be able to react with urine to form a colored cloud in a swimming pool or hot tub, thus indicating the location of people who are urinating while they are in the water. A 2015 report from the National Swimming Pool Foundation called this "the most common p... | Urine-indicator dye | Physics,Biology | 212 |
3,728,666 | https://en.wikipedia.org/wiki/Central%20Bureau%20for%20Astronomical%20Telegrams | The Central Bureau for Astronomical Telegrams (CBAT) is an official international clearing house for information relating to transient astronomical events.
The CBAT collects and distributes information on comets, natural satellites, novae, meteors, and other transient astronomical events. The CBAT has historically es... | Central Bureau for Astronomical Telegrams | Astronomy | 479 |
54,870,250 | https://en.wikipedia.org/wiki/Brando%20Huang | Brando Huang (; born 22 March 1981) is a Taiwanese actor and television host.
Early life and education
Born in Huwei, Yunlin, Huang attended Chien Hsin University of Science and Technology and graduated with a bachelor's degree in electronic engineering. After graduating, he became an engineer at Hsinchu Science and I... | Brando Huang | Engineering | 237 |
21,632,953 | https://en.wikipedia.org/wiki/Ribosome-inactivating%20protein | A ribosome-inactivating protein (RIP) is a protein synthesis inhibitor that acts at the eukaryotic ribosome. This protein family describes a large family of such proteins that work by acting as rRNA N-glycosylase (EC 3.2.2.22). They inactivate 60S ribosomal subunits by an N-glycosidic cleavage, which releases a specifi... | Ribosome-inactivating protein | Biology | 663 |
3,453,654 | https://en.wikipedia.org/wiki/Ribbon%20controller | A ribbon controller is a tactile sensor used to control synthesizers. It generally consists of a resistive strip that acts as a potentiometer. Because of its continuous control, ribbon controllers are often used to produce glissando effects.
Early examples of the use of ribbon controllers in a musical instrument are i... | Ribbon controller | Technology,Engineering | 408 |
50,138,236 | https://en.wikipedia.org/wiki/Nitrososphaera%20gargensis | Nitrososphaera gargensis is a non-pathogenic, small coccus measuring 0.9 ± 0.3 μm in diameter. N. gargensis is observed in small abnormal cocci groupings and uses its archaella to move via chemotaxis. Being an Archaeon, Nitrososphaera gargensis has a cell membrane composed of crenarchaeol, its isomer, and a distinct gl... | Nitrososphaera gargensis | Biology | 1,368 |
31,360,061 | https://en.wikipedia.org/wiki/Alazopeptin | Alazopeptin is an antibiotic, with moderate anti-trypanosomal and antitumor activity. It was originally isolated from Streptacidiphilus griseoplanus, sourced from soil near Williamsburg, Iowa. It is also isolated from Kitasatospora azatica It is still largely produced via fermentation broths of that organism. Structura... | Alazopeptin | Biology | 152 |
75,880,928 | https://en.wikipedia.org/wiki/Trimethylsulfoxonium | Trimethylsulfoxonium (abbreviated TMSO) is a cation with a formula (CH3)3SO+ consisting of a sulfur atom attached to three methyl groups and one oxygen atom. It has a net charge of +1.
Production
Refluxing dimethyl sulfoxide with methyl iodide can yield trimethylsulfoxonium iodide.
Reactions
Treated with sodium hydri... | Trimethylsulfoxonium | Physics,Chemistry | 214 |
450,555 | https://en.wikipedia.org/wiki/Field%20norm | In mathematics, the (field) norm is a particular mapping defined in field theory, which maps elements of a larger field into a subfield.
Formal definition
Let K be a field and L a finite extension (and hence an algebraic extension) of K.
The field L is then a finite-dimensional vector space over K.
Multiplication by... | Field norm | Mathematics | 1,046 |
648,614 | https://en.wikipedia.org/wiki/Exponential%20integral | In mathematics, the exponential integral Ei is a special function on the complex plane.
It is defined as one particular definite integral of the ratio between an exponential function and its argument.
Definitions
For real non-zero values of x, the exponential integral Ei(x) is defined as
Properties
Several properties... | Exponential integral | Mathematics | 1,029 |
82,859 | https://en.wikipedia.org/wiki/Hamal | Hamal , designated Alpha Arietis (α Arietis, abbreviated Alpha Ari, α Ari), is the brightest star in the northern zodiacal constellation of Aries.
With an apparent visual magnitude of 2.0, it is the mean 50th-brightest star in the night sky. Based upon parallax measurements made with the Hipparcos astrometry satellite... | Hamal | Astronomy | 1,148 |
23,475,732 | https://en.wikipedia.org/wiki/Local%20oxidation%20nanolithography | Local oxidation nanolithography (LON) is a tip-based nanofabrication method. It is based on the spatial confinement on an oxidation reaction under the sharp tip of an atomic force microscope.
The first materials on which LON was demonstrated were Si(111) and polycrystalline tantalum. Subsequently, the technique has be... | Local oxidation nanolithography | Chemistry,Materials_science | 1,557 |
24,604,906 | https://en.wikipedia.org/wiki/C40H80NO8P | {{DISPLAYTITLE:C40H80NO8P}}
The molecular formula C40H80NO8P (molar mass: 734.03 g/mol) may refer to:
Colfosceril palmitate
Dipalmitoylphosphatidylcholine (DPPC)
Molecular formulas | C40H80NO8P | Physics,Chemistry | 71 |
2,990,507 | https://en.wikipedia.org/wiki/Telent | Telent Technology Services Limited is a British radio, telecommunications, and digital infrastructure systems installation and services provision company. The name is used from 2006 for those parts of the United Kingdom and German services businesses of Marconi Corporation (formerly General Electric Company, GEC) which... | Telent | Technology | 743 |
46,181,068 | https://en.wikipedia.org/wiki/Crisaborole | Crisaborole, sold under the brand name Eucrisa among others, is a nonsteroidal topical medication used for the treatment of mild-to-moderate atopic dermatitis (eczema) in adults and children.
The most common side effects are reactions at the application site (including burning or stinging).
Crisaborole is a phosphodi... | Crisaborole | Chemistry | 906 |
21,347,660 | https://en.wikipedia.org/wiki/Generating%20Availability%20Data%20System | The Generating Availability Data System (GADS) is a database produced by the North American Electric Reliability Corporation (NERC). It includes annual summary reports comprising the statistics for power stations in the United States and Canada.
GADS is the main source of power station outage data in North America. ... | Generating Availability Data System | Physics,Engineering | 822 |
62,289,299 | https://en.wikipedia.org/wiki/Pavel%20Winternitz | Pavel Winternitz (July 25, 1936 – February 13, 2021) was a Canadian Czech-born mathematical physicist. He completed undergraduate studies at Prague University
and received a doctorate from Leningrad University (Ph.D. 1962) under the supervision of J. A. Smorodinsky.
His research is on integrable systems and symmetr... | Pavel Winternitz | Physics | 235 |
14,816,679 | https://en.wikipedia.org/wiki/Minlos%27s%20theorem | In the mathematics of topological vector spaces, Minlos's theorem states that a cylindrical measure on the dual of a nuclear space is a Radon measure if its Fourier transform is continuous. It is named after Robert Adol'fovich Minlos and can be proved using Sazonov's theorem.
References
Theorems in functional analy... | Minlos's theorem | Mathematics | 76 |
4,724,840 | https://en.wikipedia.org/wiki/Space%20physics | Space physics, also known as space plasma physics, is the study of naturally occurring plasmas within Earth's upper atmosphere and the rest of the Solar System. It includes the topics of aeronomy, aurorae, planetary ionospheres and magnetospheres, radiation belts, and space weather (collectively known as solar-terrestr... | Space physics | Astronomy | 842 |
3,982,513 | https://en.wikipedia.org/wiki/Turret%20lathe | A turret lathe is a form of metalworking lathe that is used for repetitive production of duplicate parts, which by the nature of their cutting process are usually interchangeable. It evolved from earlier lathes with the addition of the turret, which is an indexable toolholder that allows multiple cutting operations to ... | Turret lathe | Engineering | 1,888 |
2,527,008 | https://en.wikipedia.org/wiki/Isotopes%20of%20rubidium | Rubidium (37Rb) has 36 isotopes, with naturally occurring rubidium being composed of just two isotopes; 85Rb (72.2%) and the radioactive 87Rb (27.8%).
87Rb has a half-life of . It readily substitutes for potassium in minerals, and is therefore fairly widespread. 87Rb has been used extensively in dating rocks; 87Rb de... | Isotopes of rubidium | Chemistry | 5,489 |
3,195,612 | https://en.wikipedia.org/wiki/Longifolene | Longifolene is a common sesquiterpene. It is an oily liquid hydrocarbon found primarily in the high-boiling fraction of certain pine resins. The name is derived from that of a pine species from which the compound was isolated. It is a tricyclic chiral molecule. The enantiomer commonly found in pines and other higher p... | Longifolene | Chemistry | 382 |
65,906,611 | https://en.wikipedia.org/wiki/Near%20future%20%28grammar%29 | Some languages have grammatical categories to represent near future, a subcategory of the future tense.
Going-to future in English may express near future.
Similarly to English, the French verb (to go) can be used as an auxiliary verb to create a near-future tense (le futur proche). Whereas English uses the continuou... | Near future (grammar) | Physics | 264 |
32,463,332 | https://en.wikipedia.org/wiki/C18H28N2O3S | The molecular formula C18H28N2O3S (molar mass: 352.49 g/mol, exact mass: 352.1821 u) may refer to:
Almokalant, a potassium channel blocker used to treat arrhythmia
SB-269,970 | C18H28N2O3S | Chemistry | 63 |
477,287 | https://en.wikipedia.org/wiki/Zenith%20number | A Zenith number was a telephone service in the United States that allowed a calling party to call the service subscriber at no charge by requesting the name Zenith and the number from a switchboard operator. The service preceded the system of toll-free telephone numbers with area code 800 in the United States. Some are... | Zenith number | Mathematics | 501 |
6,680,683 | https://en.wikipedia.org/wiki/Cubic%20form | In mathematics, a cubic form is a homogeneous polynomial of degree 3, and a cubic hypersurface is the zero set of a cubic form. In the case of a cubic form in three variables, the zero set is a cubic plane curve.
In , Boris Delone and Dmitry Faddeev showed that binary cubic forms with integer coefficients can be used... | Cubic form | Mathematics | 241 |
1,619,050 | https://en.wikipedia.org/wiki/Game%20of%20the%20Amazons | The Game of the Amazons (in Spanish, El Juego de las Amazonas; often called Amazons for short) is a two-player abstract strategy game invented in 1988 by Walter Zamkauskas of Argentina. The game is played by moving pieces and blocking the opponents from squares, and the last player able to move is the winner. It is a m... | Game of the Amazons | Mathematics | 1,040 |
3,528,528 | https://en.wikipedia.org/wiki/Solvent%20Yellow%20124 | Solvent Yellow 124 is a yellow azo dye used in European Union as a fuel dye. It is a marker used since August 2002 to distinguish diesel fuel intended for heating from a higher-taxed motor diesel fuel. It is added to fuels not intended for motor vehicles in amounts of 6 mg/L or 7 mg/kg under the name Euromarker.
Eurom... | Solvent Yellow 124 | Chemistry | 441 |
37,124,082 | https://en.wikipedia.org/wiki/Boletus%20abruptibulbus | Boletus abruptibulbus is a species of bolete mushroom in the family Boletaceae. Described as new to science in 2009, it is found only in the Gulf Coast of the Florida Panhandle, where it grows on the ground in coastal sand dunes, one of only three North American boletes known to favor this habitat. The fruit bodies hav... | Boletus abruptibulbus | Biology | 1,231 |
25,229,064 | https://en.wikipedia.org/wiki/Evolution%20of%20cells | Evolution of cells refers to the evolutionary origin and subsequent evolutionary development of cells. Cells first emerged at least 3.8 billion years ago approximately 750 million years after Earth was formed.
The first cells
The initial development of the cell marked the passage from prebiotic chemistry to partition... | Evolution of cells | Biology | 2,658 |
63,749,890 | https://en.wikipedia.org/wiki/NGC%20544 | NGC 544 (also known as GC 320 or h 2411) is a faint, small, and round elliptical galaxy located in the Sculptor constellation. The galaxy was discovered by John Herschel on 23 October 1835 and its apparent size is 1.5 by 1.1 arc minutes. It is approximately 360 million light years away from Earth, it is similar to thos... | NGC 544 | Astronomy | 110 |
32,513,367 | https://en.wikipedia.org/wiki/Tris%28dimethylamino%29aluminium%20dimer | Tris(dimethylamino)aluminium dimer, formally bis(μ-dimethylamino)tetrakis(dimethylamino)dialuminium, is an amide complex of aluminium. This compound may be used as a precursor to other aluminium complexes.
Commercially available, this compound may be prepared from lithium dimethylamide and aluminium trichloride.
Refe... | Tris(dimethylamino)aluminium dimer | Chemistry,Materials_science | 90 |
73,666,286 | https://en.wikipedia.org/wiki/Boletus%20tylopilopsis | Boletus tylopilopsis is an edible basidiomycete mushroom, of the genus Boletus in the family Boletaceae. Morphologically similar to the members of Tylopilus in the pinkish hymenophore and belonging to the porcini group (Boletus sect. Boletus), it was first described in 2015, and is known to be found only in China, Yunn... | Boletus tylopilopsis | Biology | 285 |
3,602,968 | https://en.wikipedia.org/wiki/National%20Institute%20for%20Nanotechnology | The National Research Council of Canada Nanotechnology Research Centre (formerly National Institute for Nanotechnology) is a research institution located on the University of Alberta main campus, in Edmonton, Alberta, Canada. Its primary purpose is nanoscience research.
The institute was established in 2001 as a part... | National Institute for Nanotechnology | Materials_science | 444 |
1,677,109 | https://en.wikipedia.org/wiki/Orthocerida | Orthocerida, also known as the Michelinocerida, is an order of extinct orthoceratoid cephalopods that lived from the Early Ordovician () possibly to the Late Triassic (). A fossil found in the Caucasus suggests they may even have survived until the Early Cretaceous (), and the Eocene fossil Antarcticeras is sometimes c... | Orthocerida | Biology | 1,144 |
1,090,852 | https://en.wikipedia.org/wiki/Software%20prototyping | Software prototyping is the activity of creating prototypes of software applications, i.e., incomplete versions of the software program being developed. It is an activity that can occur in software development and is comparable to prototyping as known from other fields, such as mechanical engineering or manufacturing.
... | Software prototyping | Technology,Engineering | 5,982 |
38,707,323 | https://en.wikipedia.org/wiki/Andexanet%20alfa | Andexanet alfa, sold under the brand name Andexxa among others, is an antidote for the medications rivaroxaban and apixaban, when reversal of anticoagulation is needed due to uncontrolled bleeding. It has not been found to be useful for other factor Xa inhibitors. It is given by injection into a vein.
Common side effe... | Andexanet alfa | Biology | 891 |
1,688,687 | https://en.wikipedia.org/wiki/Synanthrope | A synanthrope (from ancient Greek σύν sýn "together, with" and ἄνθρωπος ánthrōpos "man") is an organism that evolved to live near humans and benefit from human settlements and their environmental modifications (see also anthropophilia for animals who live close to humans as parasites). The term includes many animals an... | Synanthrope | Biology,Environmental_science | 706 |
77,725,324 | https://en.wikipedia.org/wiki/CIA%20fake%20vaccination%20campaign%20in%20Pakistan | During the manhunt for Osama bin Laden, the CIA ran a covert operation utilizing a fake hepatitis vaccine program in Pakistan to illicitly collect blood samples to confirm the presence of bin Laden or his family. The CIA did not administer hepatitis vaccines, and instead planned to compare DNA samples collected from th... | CIA fake vaccination campaign in Pakistan | Chemistry,Biology | 332 |
1,036,259 | https://en.wikipedia.org/wiki/Refrigerator | A refrigerator, commonly shortened to fridge, is a commercial and home appliance consisting of a thermally insulated compartment and a heat pump (mechanical, electronic or chemical) that transfers heat from its inside to its external environment so that its inside is cooled to a temperature below the room temperature. ... | Refrigerator | Physics,Technology | 9,320 |
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