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Industrially, ammonia (NH) is the most important compound of nitrogen and is prepared in larger amounts than any other compound because it contributes significantly to the nutritional needs of terrestrial organisms by serving as a precursor to food and fertilisers. It is a colourless alkaline gas with a characteristic ...
https://en.wikipedia.org/wiki?curid=21175
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A completely distinct enzyme has also been named carboxypeptidase D (EC number 3.4.17.22). This second enzyme is a metallocarboxypeptidase (i.e. uses a zinc ion in the active site instead of a serine residue) and is broadly expressed in mammalian tissues. Like the serine carboxypeptidase, the metallocarboxypeptidase D ...
https://en.wikipedia.org/wiki?curid=39267651
2,108,628
1,953,361
A further alternative that has been implemented at the laboratory stage is by the application of a high bias at the anode but by pickup of the signals from the cathode at floating ground, as shown in the . Concentric electrodes (E2, E3, E4) are made on a copper-coated fiberglass printed circuit board (PCB) and a copper...
https://en.wikipedia.org/wiki?curid=22712749
1,952,240
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Epstein explores racial differences in sports performance and examines both nature and nurture arguments for why certain populations (such as Jamaicans and Kalenjin) are overrepresented among top performers in the 100 meters sprint and marathons respectively. Epstein examines the argument that Kalenjin tend to have a b...
https://en.wikipedia.org/wiki?curid=42549636
1,375,265
833,707
South Africa developed its own CTL technology in the 1950s. The South African Coal, Oil and Gas Corporation (Sasol) was founded in 1950 as part of industrialization process that the South African government considered essential for continued economic development and autonomy. South Africa had no domestic oil reserves, ...
https://en.wikipedia.org/wiki?curid=1978817
833,258
1,551,497
Suresh Venkatasubramanian attended the Indian Institute of Technology Kanpur for his BTech and received his PhD from Stanford University in 1999 under the joint supervision of Rajeev Motwani and Jean-Claude Latombe. Following his PhD he joined AT&T Labs and served as an adjunct professor at the University of Pennsylvan...
https://en.wikipedia.org/wiki?curid=53769340
1,550,616
448,964
The application of Nanoparticles (NPs) are one of novel promising techniques to target biofilms due to their high surface-area-to-volume ratio, their ability to penetrate to the deeper layers of biofilms and the capacity to releasing antimicrobial agents in a controlled way. Studying NP-EPS interactions could provide d...
https://en.wikipedia.org/wiki?curid=13575891
448,746
1,319,856
The alkaline fuel cell used by NASA in 1960s for Apollo and Space Shuttle program generated electricity at nearly 70% efficiency using aqueous solution of KOH as an electrolyte. In that situation, CO coming in through oxidant air stream and generated as by product from oxidation of methanol, if methanol is the fuel, re...
https://en.wikipedia.org/wiki?curid=34019297
1,319,130
2,231,442
A strategic network formation requires that individuals create relations that are beneficial and drop those that are not. One of the most well-known examples in this context is the marriage network of sixteen families in Florence, which showed how the Medici family gained power and took control of Florence by creating ...
https://en.wikipedia.org/wiki?curid=39469026
2,230,175
1,254,546
The total solar eclipse of August 11, 1999 had been a good opportunity to solve a 45-year mystery, thanks to an international collaboration. NASA's Marshall Space Flight Center first inquired about experimental protocols to Maurice Allais, in order to coordinate ahead of the event a worldwide effort to test the Allais ...
https://en.wikipedia.org/wiki?curid=915997
1,253,865
343,548
In 2015, the Lancet Commission on Global Surgery (LCoGS) published the landmark report titled "Global Surgery 2030: evidence and solutions for achieving health, welfare, and economic development," describing the large, pre-existing burden of surgical diseases in low- and middle-income countries (LMICs) and future direc...
https://en.wikipedia.org/wiki?curid=45599
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Following the publication of Rachel Carson's "Silent Spring" in 1962, the developing environmental movement drew attention to the relationship between economic growth and environmental degradation. Kenneth E. Boulding, in his influential 1966 essay "The Economics of the Coming Spaceship Earth", identified the need for ...
https://en.wikipedia.org/wiki?curid=29501
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The web itself and some of its key components (such as search engines) were partly a product of bibliometrics theory. In its original form, it was derived from a bibliographic scientific infrastructure commissioned to Tim Berners-Lee by the CERN for the specific needs of high energy physics, ENQUIRE. The structure of E...
https://en.wikipedia.org/wiki?curid=1223245
643,649
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Developing a full-body suit that meets the needs of soldiers has proven challenging. The Defense Advanced Research Projects Agency (DARPA) launched the Warrior Web program in September 2011 and has developed and funded several prototypes, including a "soft exosuit" developed by Harvard University's Wyss Institute. In t...
https://en.wikipedia.org/wiki?curid=30876930
258,442
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The genes ("EPAS1", "EGLN1", and "PPARA") function in concert with another gene named hypoxia inducible factors ("HIF"), which in turn is a principal regulator of red blood cell production (erythropoiesis) in response to oxygen metabolism. The genes are associated not only with decreased haemoglobin levels, but also in...
https://en.wikipedia.org/wiki?curid=39127332
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However, when this experiment is conducted, a "flickering" effect and a second I-V characteristic can be observed beyond breakdown. This occurs when the SPAD has experienced a triggering event (photon arrival or thermally generated carrier) during the voltage sweeps that are applied to the device. The SPAD, during thes...
https://en.wikipedia.org/wiki?curid=972711
622,240
563,557
Obligate endosymbiotic species are characterized by a complete inability to survive external to their host environment. These species have become a considerable threat to human health, as they are often capable of evading human immune systems and manipulating the host environment to acquire nutrients. A common explanat...
https://en.wikipedia.org/wiki?curid=2355052
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As indicated in the above section on gene abnormalities, about 80% (19 of 24 cases) of LPF-NTs contain "NTRK1"-containing fusion genes that produce abnormally high levels of overactive and uncontrolled tropomyosin receptor kinase A activity which may promote the development and/or progression of LPF-NTs. Two inhibitors...
https://en.wikipedia.org/wiki?curid=68573171
2,109,159
2,156,229
Maine came into existence during the Ordovician as other ancient land masses accreted onto North America. At the time, however, Maine was covered by a sea and located in the southern hemisphere. Large numbers of invertebrates living at a variety of depths inhabited this sea. Ordovician graptolites left fossils behind a...
https://en.wikipedia.org/wiki?curid=37799090
2,154,998
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It was developed by the Public Health Agency of Canada, with development subsequently taken over by Merck Inc. In October 2014, the Wellcome Trust, who was also one of the biggest UK founders, announced the start of multiple trials in healthy volunteers in Europe, Gabon, Kenya, and the US. The vaccine was proven safe a...
https://en.wikipedia.org/wiki?curid=44003094
802,753
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The land grant colleges transformed engineering education in America and boosted the United States into a position of leader in technical education. Before the Civil War, American colleges primarily trained students in classical studies and the liberal arts. For the most part, only the relatively affluent could afford ...
https://en.wikipedia.org/wiki?curid=55593
926,658
1,801,914
Operation Ranch Hand was the name of the aerial application of defoliants in Southeast Asia, aimed at stripping away the dense jungle that hid enemy activities. The center for US testing of the herbicides used in Ranch Hand was Eglin AFB, primarily on Range C-52A. For ten years, 1961 to 1971, 222,530 liters of herbicid...
https://en.wikipedia.org/wiki?curid=33714574
1,800,903
98,737
Both buprenorphine and methadone are medications used for detoxification and opioid replacement therapy, and appear to have similar effectiveness based on limited data. Both are safe for pregnant women with opioid use disorder, although preliminary evidence suggests that methadone is more likely to cause neonatal absti...
https://en.wikipedia.org/wiki?curid=779848
98,694
2,198,605
A director for the School of Mines was appointed in October 1900 and immediately travelled to Charters Towers to inspect the Mining Institute buildings and to assess what alterations were needed. He made sketch plans used by the Queensland Government Architect to design additions and alterations which cost and were car...
https://en.wikipedia.org/wiki?curid=50877738
2,197,354
1,472,867
FHA is caused by a chronic energy deprivation and negative energy balance, with links to three main risk factors: stress, weight, and exercise. It can occur in females of all ages, with the cause usually involving at least two out of the three factors. When energy levels are low, FHA has been postulated to present as a...
https://en.wikipedia.org/wiki?curid=15738568
1,472,037
2,139,958
The formation of strong complexes always implies either a large gain of entropy or a large decrease of enthalpy thereby obtaining a large negative value of the complexation free energy. According to Pearson’s theory, lanthanide and actinide ions are considered hard acids, thus they bind especially with ligands bearing ...
https://en.wikipedia.org/wiki?curid=64345861
2,138,728
302,277
Once installed, a rootkit takes active measures to obscure its presence within the host system through subversion or evasion of standard operating system security tools and application programming interface (APIs) used for diagnosis, scanning, and monitoring. Rootkits achieve this by modifying the behavior of core part...
https://en.wikipedia.org/wiki?curid=223942
302,116
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In athletics, the susceptible population includes those that participate in contact sports such as American football, boxing and hockey. In the 13-year period from 1980 to 1993, 35 American football related cases of SIS were recorded, but only 17 of these were confirmed by autopsy or surgery and magnetic resonance imag...
https://en.wikipedia.org/wiki?curid=14765916
1,123,177
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If dark energy—represented by the cosmological constant, a "constant" energy density filling space homogeneously, or scalar fields, such as quintessence or moduli, "dynamic" quantities whose energy density can vary in time and space—accelerates the expansion of the universe, then the space between clusters of galaxies ...
https://en.wikipedia.org/wiki?curid=18478320
398,712
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The thermoregulatory model explaining the origin of bipedalism is one of the simplest theories so far advanced, but it is a viable explanation. Dr. Peter Wheeler, a professor of evolutionary biology, proposes that bipedalism raises the amount of body surface area higher above the ground which results in a reduction in ...
https://en.wikipedia.org/wiki?curid=4210
157,694
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Despite this, Chinese thinkers of the Middle Ages proposed some hypotheses which are in accordance with modern principles of science. Yang Hui provided theoretical proof for the proposition that the complements of the parallelograms which are about the diameter of any given parallelogram are equal to one another. Sun S...
https://en.wikipedia.org/wiki?curid=9311753
900,283
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The first medium-class mission was selected from proposals formulated by ESA in 1982, prior to Horizon 2000. A Titan Probe that would piggyback on the American "Cassini" spacecraft was proposed by a group of American and European scientists, and was selected alongside the American-European LYMAN ultraviolet and QUASAT ...
https://en.wikipedia.org/wiki?curid=60457571
1,671,963
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After he finished at an agricultural private school, he joined the Hessian cavalry, but left the military shortly after. He started his studies at the University of Jena in 1850, but changed to the University of Marburg in 1851. During his student life he was several times sentenced to the Karzer (campus jail) and was ...
https://en.wikipedia.org/wiki?curid=12606784
1,833,513
1,321,364
CSIR-Central Road Research Institute (CRRI), a premier national laboratory established in 1952, a constituent of Council of Scientific and Industrial Research (CSIR) is engaged in carrying out research and development projects on design, construction and maintenance of roads and runways, traffic and transportation plan...
https://en.wikipedia.org/wiki?curid=43544790
1,320,638
1,592,608
The basis of personalized medicine and preventative healthcare is establishing genetic compatibility by comparing an individual's genome against known variations to estimate susceptibility to diseases, such as breast cancer or diabetes, to evaluate pharmacogenomics, and to query biological relationships among individua...
https://en.wikipedia.org/wiki?curid=55251966
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The football venue, Martin Stadium, named after Governor Clarence D. Martin, also figures prominently on campus. It is situated near the geographical center of the campus with the south grandstands built into the Hill (the Information Technology building is part of the south grandstands), and Terrell Library and the Vo...
https://en.wikipedia.org/wiki?curid=228600
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The cost to the patient of psychoanalytic treatment ranges widely from place to place and between practitioners. Low-fee analysis is often available in a psychoanalytic training clinic and graduate schools. Otherwise, the fee set by each analyst varies with the analyst's training and experience. Since, in most location...
https://en.wikipedia.org/wiki?curid=23585
86,197
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Cfb climates are predominant in most of Europe except the northeast, as global temperature became warmer towards late 20th and early 21st century. However, just few decades ago, oceanic climate was only present in parts of Western Europe, including northern Spain, Northwestern Portugal (mountains), Belgium, Britain, Fr...
https://en.wikipedia.org/wiki?curid=560047
349,290
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A substantial technological advance occurred in the 1890–1910 period, when Frederick Winslow Taylor applied scientific methods to the study of tool bits and their cutting performance (including their geometry, metallurgy, and heat treatment, and the resulting speeds and feeds, depths of cut, metal-removal rates, and to...
https://en.wikipedia.org/wiki?curid=1643482
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Ulugh Beg’s Zij-I Sultani was published in 1437, it was written in Persian, and listed around 1,000 stars. It follows Ptolemaic work and does not suggest any changes in the planetary model. It has also been called Zij-I Ulugh Beg, Zij-I Jadid-I Sultani, and Zaij-I Gurgani. It is thought that he may have been influenced...
https://en.wikipedia.org/wiki?curid=24923294
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Generating data for the E-MAP depends upon the creation of thousands of double mutant strains; a study of 483 alleles, for example, resulted in an E-MAP with ~100,000 distinct double mutant pairs. The generation of libraries of essential gene mutants presents significant difficulties however, as these mutations have a ...
https://en.wikipedia.org/wiki?curid=25278985
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The high accuracy, the large number of stars observed and the long period of observation make Kepler ideal for detecting superflares. Studies published in 2012 and 2013 involved 83,000 stars over a period of 500 days (much of the data analysis was carried out with the help of five first-year undergraduates). The stars ...
https://en.wikipedia.org/wiki?curid=24728109
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The first long-distance transmission of electric power was demonstrated using direct current in 1882 at Miesbach-Munich Power Transmission, but only 1.5 kW was transmitted. An early method of HVDC transmission was developed by the Swiss engineer René Thury and his method was put into practice by 1889 in Italy by the "A...
https://en.wikipedia.org/wiki?curid=47716
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During World War II and the Cold War, the U.S. military and intelligence agencies established themselves as leading funders of psychology by way of the armed forces and in the new Office of Strategic Services intelligence agency. University of Michigan psychologist Dorwin Cartwright reported that university researchers...
https://en.wikipedia.org/wiki?curid=22921
8,158
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Samuel is most known within the AI community for his groundbreaking work in computer checkers in 1959, and seminal research on machine learning, beginning in 1949. He graduated from MIT and taught at MIT and UIUC from 1946 to 1949. He believed teaching computers to play games was very fruitful for developing tactics ap...
https://en.wikipedia.org/wiki?curid=10809677
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In the 1910s, Vesto Slipher (and later Carl Wilhelm Wirtz) interpreted the red shift of spiral nebulae as a Doppler shift that indicated they were receding from Earth. However, it is difficult to determine the distance to astronomical objects. One way is to compare the physical size of an object to its angular size, bu...
https://en.wikipedia.org/wiki?curid=5378
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Sacks et al. (2005) reported the case of a 72-year-old man, described as professionally successful, intelligent, and cultivated, with polymyalgia rheumatica, who after being treated with prednisone developed a psychosis and dementia, which several behavioral neurology and neuropsychiatry consultants initially diagnosed...
https://en.wikipedia.org/wiki?curid=39677685
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The Mleiha Archaeological Centre displays evidence of the oldest archaeological finds in the UAE, the prehistoric Faya-1 collection, which dates human occupation in the area to 130,000–120,000 BCE, and has been linked to the movement of the first anthropologically modern humans from Africa to populate the world, before...
https://en.wikipedia.org/wiki?curid=59092881
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The real price for aluminium declined from $14,000 per metric ton in 1900 to $2,340 in 1948 (in 1998 United States dollars). Extraction and processing costs were lowered over technological progress and the scale of the economies. However, the need to exploit lower-grade poorer quality deposits and the use of fast incre...
https://en.wikipedia.org/wiki?curid=904
18,959
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Benchmark tests of the Snapdragon 800's processor by "PC Magazine" found that its processing power was comparable to similar products from Nvidia. Benchmarks of the Snapdragon 805 found that the Adreno 420 GPU resulted in a 40 percent improvement in graphics processing over the Adreno 330 in the Snapdragon 800, though ...
https://en.wikipedia.org/wiki?curid=18181159
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Another potential mechanism involves electrical signals and calcium. When Ca2+ floods the cytoplasm it allows the plant to store a memory, the duration and amplitude of this Ca2+ wave is determined by the type of stimulus that was perceived and how the plant will store the memory. Electric signals are induced by variat...
https://en.wikipedia.org/wiki?curid=64145846
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Challenges during Donovan's era included student violence in downtown Oneonta and racial tension on campus. The college made national news in Fall 1992 during an incident known as the "Black List." On the morning of September 4, 1992, a 77-year-old woman told police she was attacked at the home of a family she was visi...
https://en.wikipedia.org/wiki?curid=532186
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By late 1941, Germany under Hitler controlled almost all of continental Europe, and German forces were approaching Moscow. The Allies deemed Soviet capitulation likely. The exiled government of Czechoslovakia under President Edvard Beneš was under pressure from British intelligence, as there had been very little visibl...
https://en.wikipedia.org/wiki?curid=577774
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An important antiparasitic action is caused by the block of the transport of iodide of animal cells inhibiting sodium-iodide symporter (NIS). Many plant pesticides are cyanogenic glycoside which liberate cyanide, which, blocking cytochrome c oxidase and NIS, is poisonous only for a large part of parasites and herbivore...
https://en.wikipedia.org/wiki?curid=31336624
1,095,201
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Cystatin C has a low molecular weight (approximately 13.3 kilodaltons), and it is removed from the bloodstream by glomerular filtration in the kidneys. If kidney function and glomerular filtration rate decline, the blood levels of cystatin C rise. Cross-sectional studies (based on a single point in time) suggest that s...
https://en.wikipedia.org/wiki?curid=11055023
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Bdelloidea (Greek "βδέλλα", "bdella", "leech") is a class of rotifers found in freshwater habitats all over the world. There are over 450 described species of bdelloid rotifers (or 'bdelloids'), distinguished from each other mainly on the basis of morphology. The main characteristics that distinguish bdelloids from rel...
https://en.wikipedia.org/wiki?curid=219107
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Almost all decades in which Le Mans has been run have seen their fair share of horrific accidents, such as in 1972 when Swede Jo Bonnier was catapulted into a forest surrounding the circuit after hitting a privately entered Ferrari near the Indianapolis section; Bonnier was killed instantly. The 1980s was a decade wher...
https://en.wikipedia.org/wiki?curid=1401596
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SECM and variations of the technique have also found use in microfabrication, surface patterning, and microstructuring. A multitude of surface reactions within this context have been explored including metal deposition, etching and patterning of surfaces by enzymes. Scanning probe lithography (SPL) of surfaces can be p...
https://en.wikipedia.org/wiki?curid=33179399
1,378,366
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By the time he died in 1804, Priestley had been made a member of every major scientific society in the Western world and he had discovered numerous substances. The 19th-century French naturalist George Cuvier, in his eulogy of Priestley, praised his discoveries while at the same time lamenting his refusal to abandon ph...
https://en.wikipedia.org/wiki?curid=40176
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Markets where food was exchangeable for cash were established during the colonial era, although, as long Malawi as was largely agricultural, its markets remained rudimentary. It is likely that introduction of a market economy eroded several pre-colonial survival strategies and eventually created an underclass of the ch...
https://en.wikipedia.org/wiki?curid=14543243
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Although the dissertation was first submitted in 1911, it was rejected several times and Remak did not obtain his Habilitation until 1929. In the meantime, he wrote several papers on the geometry of numbers. Between 1929 and 1933 Remak lectured as a Privatdozent at Humboldt University. In the 1929 essay "Kann die Volkw...
https://en.wikipedia.org/wiki?curid=27535892
1,856,628
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Studies designed to test the teratogenic potential of environmental agents use animal model systems (e.g., rat, mouse, rabbit, dog, and monkey). Early teratologists exposed pregnant animals to environmental agents and observed the fetuses for gross visceral and skeletal abnormalities. While this is still part of the te...
https://en.wikipedia.org/wiki?curid=223011
764,997
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Attitude control (orientation) for CubeSats relies on miniaturizing technology without significant performance degradation. Tumbling typically occurs as soon as a CubeSat is deployed, due to asymmetric deployment forces and bumping with other CubeSats. Some CubeSats operate normally while tumbling, but those that requi...
https://en.wikipedia.org/wiki?curid=641656
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The chemical compounds aloxan and streptozotocin (STZ) are commonly used to induce diabetes and destroy β-cells in mouse/rat animal models. In both cases, it is a cytotoxic analog of glucose that passes GLUT2 transport and accumulates in β-cells, causing their destruction. The chemically induced destruction of β-cells ...
https://en.wikipedia.org/wiki?curid=2812725
367,612
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Shepard's next task was to make observations of the ground from the spacecraft's periscope, which extended through the "bottom" of the hull beneath his feet. Shepard's craft, an earlier version of the Mercury capsule, also had two small round viewing windows, one on each side, but the periscope was its primary means fo...
https://en.wikipedia.org/wiki?curid=213233
931,200
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On 26 March 2015, Saudi F-15Ss, along with other Arab coalition assets, started striking targets in Yemen as part of the Saudi Arabian-led intervention in Yemen, called "Operation Decisive Storm". Opposing a joint force composed of former Houthi rebels and Yemeni Army forces, the strikes, at least initially, were met b...
https://en.wikipedia.org/wiki?curid=495724
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They were active during the Desert Shield phase of the Gulf War in clearing suspected minefields, creating temporary defensive fighting positions and staging areas in the deserts near the Iraqi Saudi border. The M728A1s of the 24th Infantry Division and US XVIII Airborne Corps breached the openings for the "Left Hook" ...
https://en.wikipedia.org/wiki?curid=559429
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Although the SIGABA was extremely secure, the US continued to upgrade its capability throughout the war, for fear of the Axis cryptanalytic ability to break SIGABA's code. When the German's ENIGMA messages and Japan's Type B Cipher Machine were broken, the messages were closely scrutinized for signs that Axis forces we...
https://en.wikipedia.org/wiki?curid=145035
1,210,779
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Becker was born in Henderson, Kentucky, and began his formal musical education at the Cincinnati Conservatory, receiving his diploma in 1905. He then pursued graduate studies at the Wisconsin Conservatory of Music in Milwaukee, where he earned a doctorate in composition in 1923. His composition teachers included Alexan...
https://en.wikipedia.org/wiki?curid=17572753
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Unlike the previous action-platformer entries of the "Mega Man" franchise, "Mega Man Battle Network" is a real-time tactical RPG. To progress through the game the player must alternately navigate the outside world as Lan Hikari and the Net as MegaMan.EXE, each containing certain tasks that must be completed to allow ad...
https://en.wikipedia.org/wiki?curid=2175391
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On 15 October 2014, it was revealed that "Hubble" had uncovered three potential targets, provisionally designated PT1 ("potential target 1"), PT2 and PT3 by the "New Horizons" team. The objects' diameters were estimated to be in the 30–55 km range; too small to be seen by ground telescopes, at distances from the Sun of...
https://en.wikipedia.org/wiki?curid=16796
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Magmas are the starting point for the creation of a volcano. In order to understand volcanism, it is critical to understand the processes that form volcanoes. Magmas are created by keeping temperature, pressure, and composition (known as P-T-X) in the realm of melt conditions. The pressure and temperature for melts are...
https://en.wikipedia.org/wiki?curid=31670958
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In the slow, strategic race held in a light rain on a muddy dirt track Michel Jazy was more of a 1500 meter runner and expected to be ready for a fast finish. He kept himself in the lead or close to the lead throughout. Schul found himself on the curb boxed in by a loping Keino who seemed to be marking the field on the...
https://en.wikipedia.org/wiki?curid=3644569
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In ovarian cancer elevated VEGF levels and expression of the immune regulatory ligand B7H3 (CD276), or the endothelin B receptor (ETR) on tumor vessels correlate with decreased T cell infiltration and worse clinical outcome. Pharmacological inhibition of ETR increased T cell adhesion to endothelial cells in an intercel...
https://en.wikipedia.org/wiki?curid=38925137
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The presence of comorbidity must be taken into account when selecting the algorithm of diagnosis and treatment plans for any given disease. It is important to enquire comorbid patients about the level of functional disorders and anatomic status of all the identified nosological forms (diseases). Whenever a new, as well...
https://en.wikipedia.org/wiki?curid=217631
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The most common approach is "hyperspectral imaging" or "chemical imaging", in which thousands of Raman spectra are acquired from all over the field of view by, for example, raster scanning of a focused laser beam through a sample. The data can be used to generate images showing the location and amount of different comp...
https://en.wikipedia.org/wiki?curid=68686
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One of the most notable developments came in 1946 with the introduction of the technique called astronomical interferometry, which means combining the signals from multiple antennas so that they simulate a larger antenna, in order to achieve greater resolution. Astronomical radio interferometers usually consist either ...
https://en.wikipedia.org/wiki?curid=46656
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The Bf 109A was the first version of the Bf 109. Armament was initially planned to be just two cowl-mounted 7.92 mm (.312 in) MG 17 machine guns. However, possibly due to the introduction of the Hurricane and Spitfire, each with eight 7.7 mm (.303 in) machine guns, experiments were carried out with a third machine gun ...
https://en.wikipedia.org/wiki?curid=24983642
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Also called "encapsulation", potting consists of immersing the part or assembly in a liquid resin, then curing it. Another method puts the part or assembly in a mold, and potting compound is poured in it, and after curing, the mold is not removed, becoming part of the part or assembly. Potting can be done in a pre-mold...
https://en.wikipedia.org/wiki?curid=6220531
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In 1940, Alvarez joined the MIT Radiation Laboratory, where he contributed to a number of World War II radar projects, from early improvements to Identification friend or foe (IFF) radar beacons, now called transponders, to a system known as VIXEN for preventing enemy submarines from realizing that they had been found ...
https://en.wikipedia.org/wiki?curid=320445
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Gore had a chance to fulfill this promise when he and President Clinton participated in John Gage's NetDay'96 on March 9, 1996. Clinton and Gore spent the day at Ygnacio Valley High School, as part of the drive to connect California public schools to the Internet. In a speech given at YVH, Clinton stated that he was ex...
https://en.wikipedia.org/wiki?curid=11714059
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Fragment-based lead discovery (FBLD) also known as fragment-based drug discovery (FBDD) is a method used for finding lead compounds as part of the drug discovery process. Fragments are small organic molecules which are small in size and low in molecular weight. It is based on identifying small chemical fragments, which...
https://en.wikipedia.org/wiki?curid=18526787
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In August 1940, the NDRC began work on a proximity fuze, a fuze inside an artillery shell that would explode when it came close to its target. A radar set, along with the batteries to power it, was miniaturized to fit inside a shell, and its glass vacuum tubes designed to withstand the 20,000 g-force of being fired fro...
https://en.wikipedia.org/wiki?curid=32767
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In 2018, the THI and the Catholic University of Eichstätt-Ingolstadt (KU) launch the joint project "Mensch in Bewegung", which aims at increasing the transfer of technology and knowledge to the region. As part of the federal funding initiative “Innovative Hochschule” ("Innovative University"), the THI and the KU will r...
https://en.wikipedia.org/wiki?curid=65836710
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The Electron, Proton, and Alpha Monitor (EPAM) instrument on the ACE spacecraft is designed to measure a broad range of energetic particles over nearly the full unit-sphere at high time resolution. Such measurements of ions and electrons in the range of a few tens of keV to several MeV are essential to understand the d...
https://en.wikipedia.org/wiki?curid=1009525
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Hegemonic masculinity has impacted both conflict and international relations, serving as a foundation for militarism. Charlotte Hooper discusses how U.S. foreign policy, following the Vietnam War, was seen as a way of bolstering America's manhood. It was believed that the Vietcong, often categorized "as a bunch of wome...
https://en.wikipedia.org/wiki?curid=9928314
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Apothecary—an ancient title that, especially in pre-modern or early modern contexts, indicates a broader set of skills and duties than the core role of dispensing medications, like prescribing remedies and even giving some treatments difficult to self-administer, —have largely been within the "pharmacist" umbrella in t...
https://en.wikipedia.org/wiki?curid=34631752
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Nature offers several examples of how minuscule organisms, if they all follow the same basic rule, can create a form of collective intelligence on the macroscopic level. Colonies of social insects perfectly illustrate this model which greatly differs from human societies. This model is based on the co-operation of inde...
https://en.wikipedia.org/wiki?curid=588615
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The emails show that Lee voiced serious concerns regarding personal protective equipment supply chain disruption, asymptomatic and post-recovery transmission (from an NEJM online article in January), the importance of public awareness and the roll-out of non-pharmaceutical intervention. In one email, Lee wrote "Diamond...
https://en.wikipedia.org/wiki?curid=62380803
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Despite living in the darkness below the sunlight zone, they are equipped with a pair of large eyes which, rather than using lenses to focus light onto a retina, use parabolic mirrors. The parabolic mirror eyes typically have a diameter of about , look out through transparent sections of the carapace, and appear silver...
https://en.wikipedia.org/wiki?curid=25289161
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The oldest operation for which evidence exists is trepanation (also known as trepanning, trephination, trephining or burr hole from Greek "τρύπανον" and "τρυπανισμός"), in which a hole is drilled or scraped into the skull for exposing the dura mater to treat health problems related to intracranial pressure and other di...
https://en.wikipedia.org/wiki?curid=11848019
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Lecithin is a naturally occurring lipid. It can be found in egg yolks and oil-producing plants. It is an emulsifier and thus is used in many foods. Corn, soy and safflower oil are sources of lecithin, though the majority of lecithin commercially available is derived from soy. Sufficiently processed lecithin is often un...
https://en.wikipedia.org/wiki?curid=216102
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NURBS got started with seminal work at Boeing and SDRC (Structural Dynamics Research Corporation), a leading company in mechanical computer-aided engineering in the 1980s and '90's. The history of NURBS at Boeing goes back to 1979 when Boeing began to staff up for the purpose of developing their own comprehensive CAD/C...
https://en.wikipedia.org/wiki?curid=37607697
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When demobilised he returned to crystallography at Cambridge. They had agreed that father would study organic crystals, son would investigate inorganic compounds. In 1919 when Ernest Rutherford, a long-time family friend, moved to Cambridge, Lawrence Bragg replaced him as Langworthy Professor of Physics at the Victoria...
https://en.wikipedia.org/wiki?curid=303544
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After determining that an open flame was too susceptible to ambient air currents, de Forest investigated whether ionized gases, heated and enclosed in a partially evacuated glass tube, could be used instead. In 1905 to 1906 he developed various configurations of glass-tube devices, which he gave the general name of "Au...
https://en.wikipedia.org/wiki?curid=256764
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Researchers participating in the Framingham Heart Study, which began in 1948 and was intended to investigate the cause of heart disease among women and their descendants in Framingham, Massachusetts, found evidence for selective pressures against high blood pressure due to the modern Western diet, which contains high a...
https://en.wikipedia.org/wiki?curid=54472601
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The previous studies on the use of CNTs for textile functionalization were focused on fiber spinning for improving physical and mechanical properties. Recently a great deal of attention has been focused on coating CNTs on textile fabrics. Various methods have been employed for modifying fabrics using CNTs. produced int...
https://en.wikipedia.org/wiki?curid=7452926
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In 1937, when the tensions in Europe and Asia were becoming apparent, the Chief of MI6, Admiral Hugh Sinclair, ordered GC&CS to begin preparing for a war-footing and to expand its staff numbers. These were to be "men of the professor type", primarily drawn from Oxford and, in particular, Cambridge universities. However...
https://en.wikipedia.org/wiki?curid=54254691
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Organizations were started in many countries, and these grew rapidly in membership, most notable among them being the Royal Society for the Protection of Birds (RSPB) in Britain and the Audubon Society in the US, which started in 1885. Both these organizations were started with the primary objective of conservation. Th...
https://en.wikipedia.org/wiki?curid=42967
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In the simplest case, one can assume that all the correspondences are correct, meaning that the points formula_31 are generated as follows:where formula_32 is a uniform scaling factor (in many cases formula_33 is assumed), formula_34 is a proper 3D rotation matrix (formula_35 is the special orthogonal group of degree f...
https://en.wikipedia.org/wiki?curid=40374554
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