id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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2,012,094 | https://en.wikipedia.org/wiki/Schiffler%20point | In geometry, the Schiffler point of a triangle is a triangle center, a point defined from the triangle that is equivariant under Euclidean transformations of the triangle. This point was first defined and investigated by Schiffler et al. (1985).
Definition
A triangle with the incenter has its Schiffler point at the ... | Schiffler point | Physics,Mathematics | 135 |
71,888,296 | https://en.wikipedia.org/wiki/Thallium%28I%29%20nitrate | Thallium(I) nitrate, also known as thallous nitrate, is a thallium compound with the formula TlNO3. It is a colorless and highly toxic salt.
Preparation
Thallium(I) nitrate can be produced by reacting thallium(I) iodide with nitric acid.
However, the production is simpler starting from the metal, its hydroxide or th... | Thallium(I) nitrate | Chemistry | 150 |
66,155,057 | https://en.wikipedia.org/wiki/Electrified%20reef | An electric reef (also electrified reef) is an artificial reef made from biorock, being limestone that forms rapidly in seawater on a metal structure from dissolved minerals in the presence of a small electric current. The first reefs of this type were created by Wolf Hilbertz and Thomas J. Goreau in the 1980s. By 2011... | Electrified reef | Biology | 1,928 |
22,824,905 | https://en.wikipedia.org/wiki/Hop%20%28networking%29 | In wired computer networking a hop occurs when a packet is passed from one network segment to the next. Data packets pass through routers as they travel between source and destination. The hop count refers to the number of network devices through which data passes from source to destination (depending on routing protoc... | Hop (networking) | Technology,Engineering | 1,265 |
2,161,298 | https://en.wikipedia.org/wiki/Bioglass%2045S5 | Bioglass 45S5 or calcium sodium phosphosilicate, is a bioactive glass specifically composed of 45 wt% SiO2, 24.5 wt% CaO, 24.5 wt% Na2O, and 6.0 wt% P2O5. Typical applications of Bioglass 45S5 include: bone grafting biomaterials, repair of periodontal defects, cranial and maxillofacial repair, wound care, blood loss co... | Bioglass 45S5 | Physics,Chemistry,Biology | 4,174 |
9,146,267 | https://en.wikipedia.org/wiki/Optical%20solar%20reflector | An optical solar reflector (OSR) is a component of a vehicle or machine designed to fly in outer space. The reflector consists of a top layer made out of quartz, over a reflecting layer made of metal. OSRs are used for radiators on spacecraft.
The quartz outer layer lets the solar light through which reflects on the m... | Optical solar reflector | Physics,Astronomy | 187 |
23,241,429 | https://en.wikipedia.org/wiki/Sciography | Sciography, also spelled sciagraphy or skiagraphy, is a branch of the science of perspective dealing with the projection of shadows, or the delineation of an object in perspective with its gradations of light and shade. The term comes from the Greek "shadow" and , "write".
In architectural drawing, sciography is the ... | Sciography | Engineering | 135 |
12,900,165 | https://en.wikipedia.org/wiki/Myodocarpus%20angustialatus | Myodocarpus angustialatus is the provisional name for a threatened species of plant in the family Myodocarpaceae, which has not yet been formally described scientifically. It is endemic to New Caledonia.
References
Endemic flora of New Caledonia
angustialatus
Vulnerable plants
Undescribed plant species
Taxonomy artic... | Myodocarpus angustialatus | Biology | 70 |
5,732,655 | https://en.wikipedia.org/wiki/Alternate%20ending | An alternate ending (or alternative ending) is an ending of a story that was considered, or even written or produced, but ultimately discarded in favour of another resolution. Generally, alternative endings are considered to have no bearing on the canonical narrative.
Examples in literature
Charles Dickens' novel Gre... | Alternate ending | Physics | 5,724 |
31,352,021 | https://en.wikipedia.org/wiki/Vincent%20Blondel | Vincent Daniel Blondel (born April 28, 1965) is a Belgian professor of applied mathematics and former rector of the University of Louvain (UCLouvain) and a visiting professor at the Massachusetts Institute of Technology (MIT). Blondel's research lies in the area of mathematical control theory and theoretical computer s... | Vincent Blondel | Engineering | 761 |
2,070,566 | https://en.wikipedia.org/wiki/Dimethyl%20sulfate | Dimethyl sulfate (DMS) is a chemical compound with formula (CH3O)2SO2. As the diester of methanol and sulfuric acid, its formula is often written as (CH3)2SO4 or Me2SO4, where CH3 or Me is methyl. Me2SO4 is mainly used as a methylating agent in organic synthesis. Me2SO4 is a colourless oily liquid with a slight onion-... | Dimethyl sulfate | Chemistry | 1,450 |
4,251,329 | https://en.wikipedia.org/wiki/Bush%20%28brand%29 | Bush is a British consumer electronics brand owned by J Sainsbury plc (Sainsbury's), the parent company of the retailer Argos. The former Bush company is one of the most famous manufacturers of early British radios. The company is now defunct, but the Bush brand name survives as a private label brand for budget electro... | Bush (brand) | Engineering | 1,053 |
15,841,716 | https://en.wikipedia.org/wiki/Siemens%20C65 | The Siemens C65 is a mobile phone announced by Siemens. This phone is under “C-Class” leveling of Siemens for entry levels/ consumer regularly. It was released in March 2004. It weighs 86 g and its dimensions are 100 x 45 x 16 mm (length x width x depth). Its display is a 130x130 pixels, 65K colors CSTN LCD. Its carrie... | Siemens C65 | Technology | 165 |
71,111,564 | https://en.wikipedia.org/wiki/Melampsora%20hirculi | Melampsora hirculi is a pathogenic fungus in the order of Pucciniales or rust fungi. It is causes disease in Saxifraga hirculus.
References
Pucciniales
Fungi described in 1902
Fungi of Iceland
Fungus species | Melampsora hirculi | Biology | 52 |
15,227,316 | https://en.wikipedia.org/wiki/ATPIF1 | ATPase inhibitor, mitochondrial is an enzyme that in humans is encoded by the ATPIF1 gene.
This gene encodes a mitochondrial ATPase inhibitor. Alternative splicing occurs at this locus and three transcript variants encoding distinct isoforms have been identified.
It prevents ATPase from switching to ATP hydrolysis du... | ATPIF1 | Biology | 214 |
45,332,639 | https://en.wikipedia.org/wiki/Puerto%20Rican%20units%20of%20measurement | Several units of measurements are used in Puerto Rico. The units of measure in use in Puerto Rico are based on the United States customary units with two major exceptions: roadway distance signs are measured in kilometers and gasoline is sold by the liter.
System before US customary units
Several units were used befo... | Puerto Rican units of measurement | Mathematics | 273 |
22,431,652 | https://en.wikipedia.org/wiki/FASTQ%20format | FASTQ format is a text-based format for storing both a biological sequence (usually nucleotide sequence) and its corresponding quality scores. Both the sequence letter and quality score are each encoded with a single ASCII character for brevity.
It was originally developed at the Wellcome Trust Sanger Institute to bun... | FASTQ format | Engineering,Biology | 6,117 |
159,266 | https://en.wikipedia.org/wiki/Gene%20expression | Gene expression is the process by which information from a gene is used in the synthesis of a functional gene product that enables it to produce end products, proteins or non-coding RNA, and ultimately affect a phenotype. These products are often proteins, but in non-protein-coding genes such as transfer RNA (tRNA) and... | Gene expression | Chemistry,Biology | 8,503 |
54,606,306 | https://en.wikipedia.org/wiki/Letters%20in%20Organic%20Chemistry | Letters in Organic Chemistry (usually abbreviated as Lett. Org. Chem.), is a peer-reviewed monthly scientific journal, published since 2004 by Bentham Science Publishers. Letters in Organic Chemistry is indexed in: Chemical Abstracts Service (CAS), EBSCOhost, British Library, PubMed, Web of Science, and Scopus.
Letter... | Letters in Organic Chemistry | Chemistry | 180 |
12,415,416 | https://en.wikipedia.org/wiki/Amalgam%20%28dentistry%29 | In dentistry, amalgam is an alloy of mercury used to fill teeth cavities. It is made by mixing a combination of liquid mercury and particles of solid metals such as silver, copper or tin. The amalgam is mixed by the dentist just before use. It remains soft for a short while after mixing, which facilitates it being snug... | Amalgam (dentistry) | Physics,Chemistry | 5,568 |
4,157,363 | https://en.wikipedia.org/wiki/Stellated%20truncated%20hexahedron | In geometry, the stellated truncated hexahedron (or quasitruncated hexahedron, and stellatruncated cube) is a uniform star polyhedron, indexed as U19. It has 14 faces (8 triangles and 6 octagrams), 36 edges, and 24 vertices. It is represented by Schläfli symbol t'{4,3} or t{4/3,3}, and Coxeter-Dynkin diagram, . It is s... | Stellated truncated hexahedron | Physics | 232 |
6,529,224 | https://en.wikipedia.org/wiki/Mother%20Armenia | Mother Armenia () is a female personification of Armenia. Her most public visual rendering is a monumental statue in Victory Park overlooking the capital city of Yerevan, Armenia.
Mother Armenia statue in Yerevan
The current statue replaces a monumental statue of General Secretary Joseph Stalin that was created as a ... | Mother Armenia | Physics,Mathematics | 679 |
54,614,031 | https://en.wikipedia.org/wiki/John%20Gordon%20Rushbrooke | John Gordon Rushbrooke (1936–2003) was an Australian particle physicist.
The son of Neil and Vera Rushbrooke, with four sisters, Rushbrooke was born in Geelong in 1936 and was brought up there. He attended Geelong Grammar School, where he was at the top of every class.
Rushbrooke went on to Trinity College in Perth, ... | John Gordon Rushbrooke | Physics | 373 |
2,432,829 | https://en.wikipedia.org/wiki/Dorman%20Long | Dorman Long & Co was a UK steel producer, later diversifying into bridge building. The company was once listed on the London Stock Exchange.
History
The company was founded by Arthur Dorman and Albert de Lande Long when they acquired West Marsh Iron Works in 1875. In the 1920s Dorman Long took over the concerns of B... | Dorman Long | Engineering | 1,152 |
1,189,871 | https://en.wikipedia.org/wiki/Australian%20Medicines%20Handbook | Australian Medicines Handbook (AMH) is a peer-reviewed medicines prescribing guide for Australian health professionals. The handbook is available in paper and digital formats and is supplemented by the AMH Aged Care Companion and the AMH Children's Dosing Companion.
It is included in the Clinical Information Access Po... | Australian Medicines Handbook | Chemistry | 227 |
26,467,595 | https://en.wikipedia.org/wiki/Bile%20salt%20sulfotransferase | Bile salt sulfotransferase also known as hydroxysteroid sulfotransferase (HST) or sulfotransferase 2A1 (ST2A1) is an enzyme that in humans is encoded by the SULT2A1 gene.
Function
Sulfotransferase enzymes catalyze the sulfate conjugation of many hormones, neurotransmitters, drugs, and xenobiotic compounds. These cyt... | Bile salt sulfotransferase | Chemistry | 175 |
37,335 | https://en.wikipedia.org/wiki/Drought | A drought is a period of drier-than-normal conditions. A drought can last for days, months or years. Drought often has large impacts on the ecosystems and agriculture of affected regions, and causes harm to the local economy. Annual dry seasons in the tropics significantly increase the chances of a drought developing, ... | Drought | Physics,Chemistry,Engineering,Environmental_science | 5,783 |
60,078,637 | https://en.wikipedia.org/wiki/Reactive%20synthesis | Reactive synthesis (or temporal synthesis) is the field of computer science that studies automatic generation of state machines (e.g. Moore machines) from high-level specifications (e.g. formulas in linear temporal logic). "Reactivity" highlights the fact that the synthesized machine interacts with the user, reading an... | Reactive synthesis | Technology | 124 |
59,046,055 | https://en.wikipedia.org/wiki/List%20of%20Mallomonas%20species | The algae genus Mallomonas contains the following species, forms, and varieties:
A
Mallomonas acaroides Zacharias
Mallomonas actinoloma E.Takahashi
Mallomonas actinoloma var. maramuresensis L.Péterfi & Momeu
Mallomonas actinoloma var. nadiensis Dürrschmidt
Mallomonas aculeata
Mallomonas adamas K.Harris & D.E.Bradley... | List of Mallomonas species | Biology | 4,039 |
3,545,884 | https://en.wikipedia.org/wiki/Rusty%20trombone | Rusty trombone is a sexual act in which a man stands with his knees and back slightly torqued with feet at least shoulder width apart to expose his anus. A person typically kneels behind the man and performs anilingus while reaching up beneath the scrotum or around the body to manually administer rapid back-and-forth... | Rusty trombone | Biology | 608 |
35,034,038 | https://en.wikipedia.org/wiki/Small-conductance%20mechanosensitive%20channel | Small conductance mechanosensitive ion channels (MscS) provide protection against hypo-osmotic shock in bacteria, responding both to stretching of the cell membrane and to membrane depolarization. In eukaryotes, they fulfill a multitude of important functions in addition to osmoregulation. They are present in the membr... | Small-conductance mechanosensitive channel | Chemistry,Biology | 831 |
14,880,541 | https://en.wikipedia.org/wiki/LYL1 | Protein lyl-1 is a protein that in humans is encoded by the LYL1 gene.
Interactions
LYL1 has been shown to interact with TCF3 and NFKB1.
References
Further reading
External links
Transcription factors | LYL1 | Chemistry,Biology | 48 |
13,032,011 | https://en.wikipedia.org/wiki/Legal%20issues%20with%20BitTorrent | The use of the BitTorrent protocol for the unauthorized sharing of copyrighted content generated a variety of novel legal issues. While the technology and related platforms are legal in many jurisdictions, law enforcement and prosecutorial agencies are attempting to address this avenue of copyright infringement. Notabl... | Legal issues with BitTorrent | Technology | 2,304 |
65,252,408 | https://en.wikipedia.org/wiki/Spongiostromata | "Spongiostromata" is an antiquated form taxon that refers primarily to fossil cyanobacteria. "Spongiostromate" is also used to describe stromatolites and oncolites that do not preserve clear tubules or other cellular microstructure.
Pia (1927) erected the group to contain calcareous algal fossils that contain no visib... | Spongiostromata | Biology | 277 |
66,200,335 | https://en.wikipedia.org/wiki/Torin-1 | Torin_1 is a drug which was one of the first non-rapalog derived inhibitors of the mechanistic target of rapamycin (mTOR) subtypes mTORC1 and mTORC2. In animal studies it has anti-inflammatory, anti-cancer, and anti-aging properties, and shows activity against neuropathic pain.
References
Enzyme inhibitors | Torin-1 | Chemistry | 80 |
12,738,736 | https://en.wikipedia.org/wiki/Lipomannan | Lipomannan is a mycobacterium immune agonist. In addition, it is a major constituent of the mycobacterium cell wall. This glycoconjugate is a virulence factor that plays a key role in the human immune system via interaction with various immune cells. It is also considered to be a precursor of lipoarabinomannans.
It ... | Lipomannan | Chemistry,Biology | 374 |
48,825,894 | https://en.wikipedia.org/wiki/Comparison%20of%20IPv6%20support%20in%20common%20applications | This is a comparison of applications in regard to their support of the IPv6 protocol.
References
IPv6
Computing comparisons | Comparison of IPv6 support in common applications | Technology | 26 |
8,927,420 | https://en.wikipedia.org/wiki/EDDS | Ethylenediamine-N,N'-disuccinic acid (EDDS) is an aminopolycarboxylic acid. It is a colourless solid that is used as chelating agent that may offer a biodegradable alternative to EDTA, which is currently used on a large scale in numerous applications.
Structure and properties
EDDS has two chiral centers, and as such ... | EDDS | Chemistry | 895 |
41,147,989 | https://en.wikipedia.org/wiki/Mobile%20Rocket%20Base | The Mobile Rocket Base (), abbreviated MORABA, is a department of the DLR Space Operations and Astronaut Training in Oberpfaffenhofen near Munich. Since the 1960s, the MORABA has performed scientific high altitude research missions with unmanned rockets and balloons, and has developed the required mechanical and electr... | Mobile Rocket Base | Astronomy | 2,287 |
2,330,435 | https://en.wikipedia.org/wiki/Kenny%20Dies | "Kenny Dies" is the thirteenth episode of the fifth season of the animated television series South Park, and the 78th episode of the series overall. "Kenny Dies" originally aired in the United States on December 5, 2001 on Comedy Central and in the United Kingdom on April 20, 2002 on Sky One. In the episode, Cartman co... | Kenny Dies | Chemistry,Biology | 1,254 |
35,382,631 | https://en.wikipedia.org/wiki/Singular%20boundary%20method | In numerical analysis, the singular boundary method (SBM) belongs to a family of meshless boundary collocation techniques which include the method of fundamental solutions (MFS), boundary knot method (BKM), regularized meshless method (RMM), boundary particle method (BPM), modified MFS, and so on. This family of strong... | Singular boundary method | Mathematics | 982 |
76,554,532 | https://en.wikipedia.org/wiki/Gertrud%20Zwicknagl | Gertrud Zwicknagl is a retired German solid-state physicist whose research involved the development of renormalized band theory for intermetallic solids and its application to the theory of superconductors and heavy fermion materials, as well as the study of heavy quasiparticles in uranium compounds. Formerly a profess... | Gertrud Zwicknagl | Physics,Materials_science | 451 |
55,401,273 | https://en.wikipedia.org/wiki/Nordoxepin | Nordoxepin, also known as N-desmethyldoxepin, is an organic compound. A colorless solid, it attracted attention as the major active metabolite of the tricyclic antidepressant (TCA) doxepin (Sinequan). It has been found to play a significant role in the antidepressant effects of doxepin.
Nordoxepin is a mixture of (E)... | Nordoxepin | Chemistry | 550 |
7,065,881 | https://en.wikipedia.org/wiki/Ebastine | Ebastine is a H1 antihistamine with low potential for causing drowsiness.
It does not penetrate the blood–brain barrier to a significant amount and thus combines an effective block of the H1 receptor in peripheral tissue with a low incidence of central side effects, i.e. seldom causing sedation or drowsiness.
It was ... | Ebastine | Chemistry | 527 |
19,998,548 | https://en.wikipedia.org/wiki/I.430 | The I.431/430 Networking standards are recommendations produced by the ITU. They are Layer 1 specifications for ISDN networks, using either an E1 or T1 circuit. The I.431 standard is known as the 'PRI Physical Layer' whereas the I.430 is known as the 'BRI Physical Layer'.
External links
I.430 : Basic user-network int... | I.430 | Technology | 102 |
23,063,791 | https://en.wikipedia.org/wiki/Bus%20coupler | A bus coupler is a device which is used to couple one bus to the other without any interruption in power supply and without creating hazardous arcs. A bus coupler is a breaker used to couple two busbars to perform maintenance on other circuit breakers associated
with that busbar.
It is achieved with the help of a circ... | Bus coupler | Technology | 480 |
9,409,435 | https://en.wikipedia.org/wiki/16-cell%20honeycomb | In four-dimensional Euclidean geometry, the 16-cell honeycomb is one of the three regular space-filling tessellations (or honeycombs), represented by Schläfli symbol {3,3,4,3}, and constructed by a 4-dimensional packing of 16-cell facets, three around every face.
Its dual is the 24-cell honeycomb. Its vertex figure i... | 16-cell honeycomb | Physics,Chemistry,Materials_science | 931 |
2,191,566 | https://en.wikipedia.org/wiki/American%20Society%20for%20Artificial%20Internal%20Organs | American Society for Artificial Internal Organs (ASAIO) is an organization of individuals and groups that are interested in artificial internal organs and their development.
It supports research into artificial internal organs and holds an annual meeting, which attracts industry, researchers and government officials. ... | American Society for Artificial Internal Organs | Engineering,Biology | 145 |
45,075,654 | https://en.wikipedia.org/wiki/High%20value%20resistors%20%28electronics%29 | High value resistors (HVR) are electronic components used for special applications, such as in bio-medical systems, measurement equipment and some condenser microphones. While discrete resistors in the range of few tens of megohm are very common, making giga-ohm range resistors is more complicated. Discrete resistors a... | High value resistors (electronics) | Physics,Technology,Engineering | 114 |
31,657,115 | https://en.wikipedia.org/wiki/Oral%20History%20of%20British%20Science | An Oral History of British Science is an oral history project conducted by National Life Stories at the British Library. The project began in 2009 with funding from the Arcadia Fund, the Royal Commission for the Exhibition of 1851 and a number of other private donors and focuses on audio interviews with British scienc... | Oral History of British Science | Technology | 648 |
2,702,964 | https://en.wikipedia.org/wiki/Sodium%20ethoxide | Sodium ethoxide, also referred to as sodium ethanolate, is the ionic, organic compound with the formula , , or NaOEt (Et = ethyl). It is a white solid, although impure samples appear yellow or brown. It dissolves in polar solvents such as ethanol. It is commonly used as a strong base.
Preparation
Few procedures have b... | Sodium ethoxide | Chemistry | 661 |
7,772,482 | https://en.wikipedia.org/wiki/Lower%20risk | The IUCN has many ranks that define an animal's population and risk of extinction. Species are classified into one of nine Red List Categories: Extinct, Extinct in the Wild, Critically Endangered, Endangered, Vulnerable, Near Threatened, Least Concern, Data Deficient, and Not Evaluated. They formerly used a identificat... | Lower risk | Biology | 207 |
14,130,404 | https://en.wikipedia.org/wiki/VE-cadherin | Cadherin-5, or VE-cadherin (vascular endothelial cadherin), also known as CD144 (Cluster of Differentiation 144), is a type of cadherin. It is encoded by the human gene CDH5.
Function
VE-cadherin is a classical cadherin from the cadherin superfamily and the gene is located in a six-cadherin cluster in a region on th... | VE-cadherin | Biology | 586 |
44,858,871 | https://en.wikipedia.org/wiki/Clicked%20peptide%20polymer | Clicked peptide polymers are poly-triazole-poly-peptide hybrid polymers. They are made of repeating units of a 1,2,3-triazole and an oligopeptide. They can be visualized as an oligopeptide that is flanked at both the C-terminus and N-terminus by a triazole molecule.
Synthesis
Clicked peptide polymers are prepared by ... | Clicked peptide polymer | Chemistry | 563 |
75,448,824 | https://en.wikipedia.org/wiki/Mavorixafor | Mavorixafor, sold under the brand name Xolremdi, is a medication used for the treatment of WHIM syndrome. It is a CXC chemokine receptor 4 antagonist. It is taken by mouth. It was developed by X4 Pharmaceuticals.
The most frequently reported adverse reactions include thrombocytopenia (low platelet counts), rash, rhini... | Mavorixafor | Chemistry | 466 |
1,433,442 | https://en.wikipedia.org/wiki/Anti-roll%20bar | An anti-roll bar (roll bar, anti-sway bar, sway bar, stabilizer bar) is an automobile suspension part that helps reduce the body roll of a vehicle during fast cornering or over road irregularities. It links opposite front or rear wheels to a torsion spring using short lever arms for anchors. This increases the suspensi... | Anti-roll bar | Physics | 1,974 |
933,736 | https://en.wikipedia.org/wiki/Saturn%20Nebula | The Saturn Nebula (also known as NGC 7009 or Caldwell 55) is a planetary nebula in the constellation Aquarius. It appears as a greenish-yellowish hue in a small amateur telescope. It was discovered by William Herschel on September 7, 1782, using a telescope of his own design in the garden at his home in Datchet, Englan... | Saturn Nebula | Astronomy | 585 |
523,166 | https://en.wikipedia.org/wiki/Free%20monoid | In abstract algebra, the free monoid on a set is the monoid whose elements are all the finite sequences (or strings) of zero or more elements from that set, with string concatenation as the monoid operation and with the unique sequence of zero elements, often called the empty string and denoted by ε or λ, as the identi... | Free monoid | Mathematics | 3,108 |
56,036,030 | https://en.wikipedia.org/wiki/Fission%20barrier | In nuclear physics and nuclear chemistry, the fission barrier is the activation energy required for a nucleus of an atom to undergo fission. This barrier may also be defined as the minimum amount of energy required to deform the nucleus to the point where it is irretrievably committed to the fission process. The energy... | Fission barrier | Physics,Chemistry | 1,234 |
19,593,227 | https://en.wikipedia.org/wiki/Magnetic%20diffusivity | The magnetic diffusivity controls the rate of magnetic field diffusion.
Since its role in the evolution equation for the magnetic field is analogous to that of the viscosity for the velocity field, some authors refer to it as the 'magnetic viscosity'.
The magnetic diffusivity appears in the definition of the magnetic R... | Magnetic diffusivity | Physics | 218 |
2,120 | https://en.wikipedia.org/wiki/Aliphatic%20compound | In organic chemistry, hydrocarbons (compounds composed solely of carbon and hydrogen) are divided into two classes: aromatic compounds and aliphatic compounds (; G. aleiphar, fat, oil). Aliphatic compounds can be saturated (in which all the C-C bonds are single requiring the structure to be completed, or 'saturated', b... | Aliphatic compound | Chemistry | 462 |
23,434,351 | https://en.wikipedia.org/wiki/Session%20multiplexing | Session multiplexing in a computer network is a service provided by the transport layer (see OSI Layered Model). It multiplexes several message streams, or sessions onto one logical link and keeps track of which messages belong to which sessions (see session layer).
An example of session multiplexing—a single computer ... | Session multiplexing | Technology,Engineering | 78 |
38,029,797 | https://en.wikipedia.org/wiki/HIV/AIDS%3A%20Research%20and%20Palliative%20Care | HIV/AIDS: Research and Palliative Care is a peer-reviewed medical journal covering HIV and its treatment. The journal was established in 2009 and is published by Dove Medical Press. It is abstracted and indexed in PubMed, EMBASE, EmCare, and Scopus.
External links
English-language journals
Open access journals
Dov... | HIV/AIDS: Research and Palliative Care | Biology | 82 |
75,144,896 | https://en.wikipedia.org/wiki/Soara%20and%20the%20House%20of%20Monsters | is a Japanese fantasy adventure manga series written and illustrated by Hidenori Yamaji. Shogakukan publishes it since 2021 in their magazine Shōnen Sunday S and on their webcomic platform , and also releases it in collected tankōbon volumes. These have since 2023 been released in English by Seven Seas Entertainment.
... | Soara and the House of Monsters | Engineering | 788 |
27,047,552 | https://en.wikipedia.org/wiki/Guided%20wave%20testing | Guided wave testing (GWT) is a non-destructive evaluation method. The method
employs acoustic waves that propagate along an elongated
structure while guided by its boundaries. This allows the
waves to travel a long distance with little loss in energy. Nowadays, GWT is widely used to inspect and screen many
engineering... | Guided wave testing | Materials_science | 1,637 |
32,102,343 | https://en.wikipedia.org/wiki/Npm | npm is a package manager for the JavaScript programming language maintained by npm, Inc., a subsidiary of GitHub. npm is the default package manager for the JavaScript runtime environment Node.js and is included as a recommended feature in the Node.js installer.
It consists of a command line client, also called npm, a... | Npm | Technology | 1,446 |
22,730,057 | https://en.wikipedia.org/wiki/Nanotoxicology%20%28journal%29 | Nanotoxicology is a peer-reviewed, scientific journal that focuses on environmental exposure, hazard, and risk of applied nanostructured materials. It publishes research that addresses the potentially toxic interactions between nanostructured materials and living matter. The journal publishes the results of studies tha... | Nanotoxicology (journal) | Materials_science,Environmental_science | 153 |
23,039,832 | https://en.wikipedia.org/wiki/Melatonin%20receptor%201C | Melatonin receptor 1C, also known as MTNR1C, is a protein that is encoded by the Mtnr1c gene. This receptor has been identified in fish, amphibia, and birds, but not in humans.
References
Further reading
See also
Melatonin receptor
Further reading
Classification of protein families - Melatonin receptor type 1C
... | Melatonin receptor 1C | Chemistry | 121 |
199,014 | https://en.wikipedia.org/wiki/Infix%20notation | Infix notation is the notation commonly used in arithmetical and logical formulae and statements. It is characterized by the placement of operators between operands—"infixed operators"—such as the plus sign in .
Usage
Binary relations are often denoted by an infix symbol such as set membership a ∈ A when the set A has... | Infix notation | Mathematics | 431 |
56,516,958 | https://en.wikipedia.org/wiki/Emergency%20locator%20beacon | An emergency locator beacon is a radio beacon, a portable battery powered radio transmitter, used to locate airplanes, vessels, and persons in distress and in need of immediate rescue. Various types of emergency locator beacons are carried by aircraft, ships, vehicles, hikers and cross-country skiers. In case of an e... | Emergency locator beacon | Technology | 879 |
23,913,353 | https://en.wikipedia.org/wiki/Multiphase%20heat%20transfer | A multiphase flow system is one characterized by the simultaneous presence of several phases, the two-phase system being the simplest case. The term ‘two-component’ is sometimes used to describe flows in which the phases consist of different chemical substances. However, since the same mathematics describes two-phase a... | Multiphase heat transfer | Physics,Chemistry,Engineering | 640 |
5,046,718 | https://en.wikipedia.org/wiki/BenQ-Siemens%20EL71 | The BenQ-Siemens EL71 is a slider-type GSM triband mobile phone had been developed before by Siemens Mobile and released by BenQ Mobile. It has a sleek design with brushed magnesium and aluminium alloys. The phone was introduced at CEBIT in March 2006.
The phone supports GPRS, EDGE and Internet access methods. Its dim... | BenQ-Siemens EL71 | Technology | 178 |
9,731,029 | https://en.wikipedia.org/wiki/Ceiling%20rose | In the United Kingdom and Australia, a ceiling rose is a decorative element affixed to the ceiling from which a chandelier or light fitting is often suspended. They are typically round in shape and display a variety of ornamental designs.
In modern British wiring setups, light fittings usually use loop-in ceiling rose... | Ceiling rose | Physics,Engineering | 223 |
5,798,355 | https://en.wikipedia.org/wiki/Inner%20measure | In mathematics, in particular in measure theory, an inner measure is a function on the power set of a given set, with values in the extended real numbers, satisfying some technical conditions. Intuitively, the inner measure of a set is a lower bound of the size of that set.
Definition
An inner measure is a set funct... | Inner measure | Physics,Mathematics | 412 |
29,953,491 | https://en.wikipedia.org/wiki/Hydrogen%20auto-transfer | Hydrogen auto-transfer, also known as borrowing hydrogen, is the activation of a chemical reaction by temporary transfer of two hydrogen atoms from the reactant to a catalyst and return of those hydrogen atoms back to a reaction intermediate to form the final product. Two major classes of borrowing hydrogen reactions e... | Hydrogen auto-transfer | Chemistry | 773 |
2,312,855 | https://en.wikipedia.org/wiki/Isotope%20hydrology | Isotope hydrology is a field of geochemistry and hydrology that uses naturally occurring stable and radioactive isotopic techniques to evaluate the age and origins of surface and groundwater and the processes within the atmospheric hydrologic cycle. Isotope hydrology applications are highly diverse, and used for infor... | Isotope hydrology | Physics,Chemistry,Engineering,Environmental_science | 710 |
19,264,415 | https://en.wikipedia.org/wiki/Norwegian%20Contractors | Norwegian Contractors AS was a concrete gravity base (GBS) structure supplier from 1974 to 1994. Aker Marine Contractors AS (AMC) was established in 1995 and is a continuance of the marine activities in Norwegian Contractors AS.
Norwegian Contractors AS have worked on following offshore platforms:
Ecofisk tank
Frigg ... | Norwegian Contractors | Chemistry,Engineering | 165 |
40,758,949 | https://en.wikipedia.org/wiki/Schuster%20Line | The Schuster Line (, ) was a line of barriers and barricades erected by the Luxembourg government along its borders with Germany and France shortly before World War II. The line was named after Joseph Schuster, Luxembourg's chief engineer of bridges and highways, who was responsible for its construction.
The Schuster ... | Schuster Line | Engineering | 331 |
32,548,064 | https://en.wikipedia.org/wiki/SET%20domain | The SET domain is a protein domain that typically has methyltransferase activity. It was originally identified as part of a larger conserved region present in the Drosophila Trithorax protein and was subsequently identified in the Drosophila Su(var)3-9 and 'Enhancer of zeste' proteins, from which the acronym SET is de... | SET domain | Biology | 1,119 |
1,725,676 | https://en.wikipedia.org/wiki/ScrollKeeper | ScrollKeeper is a document cataloging system. It manages documentation metadata, as specified by the Open Source Metadata Framework (OMF). ScrollKeeper was used by the GNOME desktop help browser, Yelp, but has since been replaced by Rarian. It was also used by the KDE help browser and ScrollServer documentation server.... | ScrollKeeper | Technology | 91 |
17,766,039 | https://en.wikipedia.org/wiki/Lee%20distance | In coding theory, the Lee distance is a distance between two strings and of equal length n over the q-ary alphabet } of size . It is a metric defined as
If or the Lee distance coincides with the Hamming distance, because both distances are 0 for two single equal symbols and 1 for two single non-equal symbols. Fo... | Lee distance | Mathematics | 361 |
74,337,896 | https://en.wikipedia.org/wiki/IEEE%20802.11bb | IEEE 802.11bb is a line-of-sight light-based wireless networking standard that is part of the 802.11 suite of standards, which defines an interoperable communications protocol for Li-Fi devices. Its proponents state that it will allow for very high speed communication that is faster than Wi-Fi.
Li-Fi is intended to pr... | IEEE 802.11bb | Technology,Engineering | 255 |
1,473,244 | https://en.wikipedia.org/wiki/Scleroderma%20citrinum | Scleroderma citrinum, commonly known as the common earthball, pigskin poison puffball, or common earth ball, is a species of earthball fungus found in Europe and in North America. It is the most common species of earthball fungus in the UK and occurs widely in woods, heathland and in short grass from autumn to winter. ... | Scleroderma citrinum | Biology,Environmental_science | 457 |
1,028,268 | https://en.wikipedia.org/wiki/Asterism%20%28typography%29 | In typography, an asterism, ⁂, is a typographic symbol consisting of three asterisks placed in a triangle, which is used for a variety of purposes. The name originates from the astronomical term for a group of stars.
The asterism was originally used as a type of dinkus in typography, though increasingly rarely. It can... | Asterism (typography) | Mathematics | 314 |
162,321 | https://en.wikipedia.org/wiki/Invariant%20mass | The invariant mass, rest mass, intrinsic mass, proper mass, or in the case of bound systems simply mass, is the portion of the total mass of an object or system of objects that is independent of the overall motion of the system. More precisely, it is a characteristic of the system's total energy and momentum that is th... | Invariant mass | Physics,Mathematics | 1,800 |
51,119,519 | https://en.wikipedia.org/wiki/Von%20Baeyer%20nomenclature | In organic chemistry, the von Baeyer nomenclature is a system for describing polycyclic (i.e. multi-ringed) hydrocarbons. The system was originally developed in 1900 by German chemist Adolf von Baeyer for bicyclic systems and in 1913 expanded by Eduard Buchner and Wilhelm Weigand for tricyclic systems. The system has b... | Von Baeyer nomenclature | Chemistry | 141 |
9,661,780 | https://en.wikipedia.org/wiki/TRPV1 | The transient receptor potential cation channel subfamily V member 1 (TRPV1), also known as the capsaicin receptor and the vanilloid receptor 1, is a protein that, in humans, is encoded by the TRPV1 gene. It was the first isolated member of the transient receptor potential vanilloid receptor proteins that in turn are a... | TRPV1 | Chemistry | 5,386 |
62,694 | https://en.wikipedia.org/wiki/Stromatolite | Stromatolites ( ) or stromatoliths () are layered sedimentary formations (microbialite) that are created mainly by photosynthetic microorganisms such as cyanobacteria, sulfate-reducing bacteria, and Pseudomonadota (formerly proteobacteria). These microorganisms produce adhesive compounds that cement sand and other rock... | Stromatolite | Biology | 2,640 |
22,690,116 | https://en.wikipedia.org/wiki/Moving%20particle%20semi-implicit%20method | The moving particle semi-implicit (MPS) method is a computational method for the simulation of incompressible free surface flows. It is a macroscopic, deterministic particle method (Lagrangian mesh-free method) developed by Koshizuka and Oka (1996).
Method
The MPS method is used to solve the Navier-Stokes equations i... | Moving particle semi-implicit method | Chemistry,Engineering | 2,664 |
21,906,457 | https://en.wikipedia.org/wiki/Electroglottograph | The electroglottograph, or EGG, (also referred to as a laryngograph) is a device used for the noninvasive measurement of the degree of contact between the vibrating vocal folds during voice production. Though it is difficult to verify the assumption precisely, the aspect of contact being measured by a typical EGG unit ... | Electroglottograph | Physics | 437 |
8,591,753 | https://en.wikipedia.org/wiki/List%20of%20stars%20in%20Mensa | This is the list of notable stars in the constellation Mensa, sorted by decreasing brightness.
See also
List of stars by constellation
References
List
Mensa | List of stars in Mensa | Astronomy | 31 |
225,179 | https://en.wikipedia.org/wiki/Industrial%20design%20right | An industrial design right is an intellectual property right that protects the visual design of objects that are purely utilitarian. An industrial design consists of the creation of a shape, configuration or composition of pattern or color, or combination of pattern and color in three-dimensional form containing aesth... | Industrial design right | Engineering | 2,358 |
3,056,687 | https://en.wikipedia.org/wiki/Hydrosere | A hydrosere is a plant succession which occurs in an area of fresh water such as in oxbow lakes and kettle lakes. In time, an area of open freshwater will naturally dry out, ultimately becoming woodland. During this change, a range of different landtypes such as swamp and marsh will succeed each other.
The succession ... | Hydrosere | Environmental_science | 1,813 |
45,580,841 | https://en.wikipedia.org/wiki/RS-27 | The RS-27 (Rocket System-27) was a liquid-propellant rocket engine developed in 1974 by Rocketdyne to replace the aging MB-3 in the Delta. Incorporating components of the venerable MB-3 and the H-1 designs, the RS-27 was a modernized version of the basic design used for two decades. It was used to power the first sta... | RS-27 | Astronomy | 443 |
10,881,572 | https://en.wikipedia.org/wiki/Domain%20drop%20catching | Domain drop catching, also known as domain sniping, is the practice of registering a domain name once registration has lapsed, immediately after expiry.
Background
When a domain is first registered, the customer is usually given the option of registering the domain for one year or longer, with automatic renewal as a p... | Domain drop catching | Technology | 956 |
825,977 | https://en.wikipedia.org/wiki/Living%20room | In Western architecture, a living room, also called a lounge room (Australian English), lounge (British English), sitting room (British English), or drawing room, is a room for relaxing and socializing in a residential house or apartment. Such a room is sometimes called a front room when it is near the main entrance at... | Living room | Engineering | 1,610 |
8,756,160 | https://en.wikipedia.org/wiki/Westphalen%E2%80%93Lettr%C3%A9%20rearrangement | The Westphalen–Lettré rearrangement is a classic organic reaction in organic chemistry describing a rearrangement reaction of cholestane-3β,5α,6β-triol diacetate with acetic anhydride and sulfuric acid. In this reaction one equivalent of water is lost, a double bond is formed at C10–C11 and importantly the methyl group... | Westphalen–Lettré rearrangement | Chemistry | 162 |
296,428 | https://en.wikipedia.org/wiki/Admittance | In electrical engineering, admittance is a measure of how easily a circuit or device will allow a current to flow. It is defined as the reciprocal of impedance, analogous to how conductance and resistance are defined. The SI unit of admittance is the siemens (symbol S); the older, synonymous unit is mho, and its symbol... | Admittance | Physics,Mathematics | 801 |
740,995 | https://en.wikipedia.org/wiki/Otto%20Hesse | Ludwig Otto Hesse (22 April 1811 – 4 August 1874) was a German mathematician. Hesse was born in Königsberg, Prussia, and died in Munich, Bavaria. He worked mainly on algebraic invariants, and geometry. The Hessian matrix, the Hesse normal form, the Hesse configuration, the Hessian group, Hessian pairs, Hesse's theorem... | Otto Hesse | Mathematics | 685 |
40,208,274 | https://en.wikipedia.org/wiki/Michiei%20Oto | Michiei Oto is a molecular biologist and an expert on the application of biotechnology to genetic testing.
He was the first to propose gene literacy education.
Oto was born in Japan. He received a bachelor's degree in biochemistry from Chiba University in 1980 and a Ph.D. from the School of Medicine at Tokyo Medical a... | Michiei Oto | Biology | 136 |
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