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3637ea79f8b4ecf1929b469fcbd04369ed1c35c1 | of the indirect glycerol-based syntheses, in which the | of the indirect glycerol-based syntheses, in which the cyclic carbonic acid ester glycerol carbonate is produced by inserting a carbonyl group, reactions with particularly inexpensive urea and with dialkyl carbonates such as dimethyl carbonate dmc and ethylene carbonate have been particularly studied. | wikipedia |
caeddfdc5cfb0ed271425aefe2772c64e4d2b940 | non-glycerol-based syntheses, especially if they are based on | non-glycerol-based syntheses, especially if they are based on expensive precursors such as glycidol or 3-chloro-1,2-propanediol or epichlorohydrin and expensive catalysts make no contribution to the economic solution of the huge glycerol oversupply (estimate for 2024: approx. 6.3 million tons global production volume). | wikipedia |
8a1e0c51457420b31e432de42acad1cfaaeea0e4 | glycerol-1,2-carbonate is formally the cyclic ester of carbonic | glycerol-1,2-carbonate is formally the cyclic ester of carbonic acid with glycerol and has aroused great interest as a possible product from the "waste materials" carbon dioxide co and glycerol (especially from biodiesel production) with a wide range of applications. | wikipedia |
9fd116ccd34a3f18d44e566ba732ebc1a9742713 | cajal bodies (cbs), also coiled bodies, are spherical | cajal bodies (cbs), also coiled bodies, are spherical nuclear bodies of 0.3–1.0 μm in diameter found in the nucleus of proliferative cells like embryonic cells and tumor cells, or metabolically active cells like neurons. cbs are membrane-less organelles and largely consist of proteins and rna. they were first reported ... | wikipedia |
b81a1454e46d49fd8567c8d900799e6649611050 | cbs contain high concentrations of splicing small nuclear | cbs contain high concentrations of splicing small nuclear ribonucleoproteins (snrnps), possibly indicating that they function to modify rna after it has been transcribed from dna. experimental evidence indicates that cbs contribute to the biogenesis of enzyme telomerase, and assist in subsequent transport of telomerase... | wikipedia |
9cd6c21dce6cf1aa1d05392ea339b33ad565cfe9 | cbs are bound to the nucleolus by coilin | cbs are bound to the nucleolus by coilin proteins. p80-coilin is a specific marker for coiled bodies, and demonstrates these bodies tend to be associated with the nucleolus when cells are not dividing. cbs are associated with telomerase assembly and recruitment via a cab-rna sequence common in both cb rnas (scarnas) an... | wikipedia |
b4faa87820c8d3b31d9ddd3407c918ab5ea63007 | they are about 0.1–2.0 micrometres and are found | they are about 0.1–2.0 micrometres and are found one to five per nucleus. the number varies in different types of cells and over the cell cycle. maximum number is reached in mid g phase and towards g they become larger and their number decreases. cbs disassemble during the m phase and reappear again later in g phase. c... | wikipedia |
5785bbfa6bc9900175832b4f1d5835786e76bc17 | cbs were initially discovered by neurobiologist santiago ramón | cbs were initially discovered by neurobiologist santiago ramón y cajal in 1903 as small argyrophilic (readily stained by silver salts, literally "silver loving") spots in the nuclei of silver-stained neuronal cells. because of their close association with nucleoli, he named them nucleolar accessory bodies. later on, th... | wikipedia |
eb6474c12ef424910d96a8428636adf686d3a8c1 | cajal bodies (cbs), also coiled bodies, are spherical | cajal bodies (cbs), also coiled bodies, are spherical nuclear bodies of 0.3–1.0 μm in diameter found in the nucleus of proliferative cells like embryonic cells and tumor cells, or metabolically active cells like neurons. cbs are membrane-less organelles and largely consist of proteins and rna. they were first reported ... | wikipedia |
b3d4779730832f369657937d0cd6a9eabf51b47c | benarous was born in england to an algerian | benarous was born in england to an algerian father, who owned the popular takeaway quigleys in central bristol and an english mother. he is a youth international for england, having represented the england u17s. | wikipedia |
e7fa17f683cd66c85dcf336a9e6b997d8af189fc | a youth product of bristol city since the | a youth product of bristol city since the age of 6, benarous signed his first professional contract with the club on 8 february 2021. he made his professional debut in a 2–1 win in the efl championship against barnsley on the 30th october 2021, coming on for tyreeq bakinson in the 67th minute after scoring a hat trick ... | wikipedia |
4bf87d44bc2ddfab3ec48ffe3b2499086bc4d041 | alastair g. w. cameron was an american–canadian astrophysicist | alastair g. w. cameron was an american–canadian astrophysicist and space scientist who was an eminent staff member of the astronomy department of harvard university. he was one of the founders of the field of nuclear astrophysics, advanced the theory that the moon was created by the giant impact of a mars-sized object ... | wikipedia |
b843479bc006596bd2c3e46d3bebf4be3aa7d48b | after seeing william hartmann present a similar, independent | after seeing william hartmann present a similar, independent model at a conference in 1974, cameron began a several decade-long collaboration with hartmann to develop the giant-impact hypothesis. cameron was able to use increasingly sophisticated computer models to show that such a collision could produce an earth-moon... | wikipedia |
7a2f30f6154b49f0152fdca258c4c59716e9b47e | samples brought back from the apollo program showed | samples brought back from the apollo program showed that the moon was composed of the same material as the mantle of the earth. this surprising result was still unexplained in the early 1970s, when cameron began work on an explanation of the moon's origins. he theorized that the formation of the moon was the result of ... | wikipedia |
00f5e0fa066b74891848e439b1c77923b6054f45 | after learning about the 1960 discovery of an | after learning about the 1960 discovery of an excess of xenon-129 due to the radioactive decay of iodine-129 in the richardton meteorite, cameron became interested in what the abundances of radioactive isotopes can tell us about the formation of the solar system and the interstellar medium. in 1975, he gave a seminar a... | wikipedia |
189c462e2718c9a43918022d5cda2210caa3a39d | five days before his death in 2005, the | five days before his death in 2005, the 2006 bethe prize for his work on nuclear astrophysics was announced. cameron would receive this award for his 50-year-old work on stellar nucleosynthesis, which was still an area of active research. | wikipedia |
4e5718e9e4ec0bfe9c8dc764fddbf68f15739871 | in 1959, after growing frustrated with what he | in 1959, after growing frustrated with what he saw as the canadian government's lack of interest in investing in science, cameron emigrated to the united states, which had just seen a major expansion of funding for space-science research due to the sputnik crisis. he held academic positions at the california institute ... | wikipedia |
c0a90a48987ca137efcb6f9ef695a6e1ab44f70a | in 1957, he published nuclear reactions in stars | in 1957, he published nuclear reactions in stars and nucleogenesis, known as the agwc paper, which introduced an important, early, comprehensive theory of the production of chemical elements in stars, especially r-process elements. this work by cameron, along with the b fh paper (published in the same year by margaret ... | wikipedia |
ee365d487e27dfc0df546a98e8ce1aae898978b4 | cameron returned to canada in 1954, taking a | cameron returned to canada in 1954, taking a position at the chalk river laboratory operated by atomic energy of canada limited. there he hoped to apply advances from the rapidly developing field of nuclear physics to the field of astrophysics. in particular, he wished to calculate the nuclear cross sections involved i... | wikipedia |
4e5ad0ef9b240d848f8d56be8eef652b7e42924c | while at the ames lab, he read an | while at the ames lab, he read an article in science news letter magazine (now science news), about the detection of the element technetium in the variable star r andromedae and other red variable stars by the american astronomer paul merrill. since this element has no stable isotopes, the observed technetium would exp... | wikipedia |
9fa909f00642a9f6898e30b1119bf5661269885a | after finishing his phd, he spent two years | after finishing his phd, he spent two years as an assistant professor at the iowa state college and worked at the ames laboratory at the university, which was run by the united states atomic energy commission. there he taught nuclear physics and helped to increase the electron beam current in the facility's new 70-mev ... | wikipedia |
625627e2ef5b786991d907d6df60e7e67ff84c31 | cameron earned a bachelor of science degree from | cameron earned a bachelor of science degree from the university of manitoba in physics and mathematics. during the summers, he worked at the chalk river laboratory, a canadian research facility on ontario. he went on to do graduate work in both theoretical and experimental nuclear physics at the university of saskatche... | wikipedia |
696f0171459bc2e6fd07b9ce1f155d119ecc4e29 | in 1940 (when cameron was only 15 years | in 1940 (when cameron was only 15 years old), he made a bet with a high school classmate that man would land on the moon within 40 years. when the apollo program achieved a successful moon landing in 1969, the former classmate sent a cheque to settle the bet, which cameron had framed and hung on the wall in his office. | wikipedia |
e28403a3f5319fc416afc760da52defab3c77585 | alastair cameron was born in winnipeg, manitoba, to | alastair cameron was born in winnipeg, manitoba, to parents of scottish descent. his father, born in london, england, was chemist a.t. cameron, a professor and chair of the biochemistry department at manitoba medical college. he recalls addressing all men as “doctor” as a four-year-old, noting it was "clearly an early ... | wikipedia |
c3387735490a2120b7ecee89aa77aa69ea8698b7 | alastair g. w. (graham walter) cameron (21 june | alastair g. w. (graham walter) cameron (21 june 1925 – 3 october 2005) was an american–canadian astrophysicist and space scientist who was an eminent staff member of the astronomy department of harvard university. he was one of the founders of the field of nuclear astrophysics, advanced the theory that the moon was cre... | wikipedia |
2774d354663d33f4ed7f8d0b06c2dd74cc432595 | ian condry is a cultural anthropologist and author. | ian condry is a cultural anthropologist and author. he graduated from harvard university in 1987 with a b.a. in government and received his ph.d. in anthropology from yale university in 1999. he is currently a professor of japanese cultural studies at massachusetts institute of technology in cambridge, massachusetts. i... | wikipedia |
d20d79799dd3f040417222cc131717e11d145532 | his second book, the soul of anime: collaborative | his second book, the soul of anime: collaborative creativity and japan's media success story, explores the questions, who makes anime and what makes it a global success. based on fieldwork in tokyo anime studios such as madhouse, gonzo, aniplex and studio 4c, the book examines the process of making japanese animation. ... | wikipedia |
df82e2f3d8bb92ca2ebe36ab108557e55c5dc599 | in his first ethnographic book entitled hip-hop japan: | in his first ethnographic book entitled hip-hop japan: rap and the paths of cultural globalization, condry explores issues of race, gender, language, musical history, and contemporary cultural politics, all as they relate to the japanese rap music scene. he argues that performance sites, such as recording studios and n... | wikipedia |
40c8b54ec637d8fd5127687bd8622763b8e0fca1 | ian condry (born 1965) is a cultural anthropologist | ian condry (born 1965) is a cultural anthropologist and author. he graduated from harvard university in 1987 with a b.a. in government and received his ph.d. in anthropology from yale university in 1999. he is currently a professor of japanese cultural studies at massachusetts institute of technology in cambridge, mass... | wikipedia |
53e89a2c4a64cc691fad8dcb8dfa270d8c539b01 | dermie f. o'connell was an american professional basketball | dermie f. o'connell was an american professional basketball player. a 6'0" guard from the college of the holy cross, o'connell played two seasons (1948–1950) in the national basketball association as a member of the boston celtics and st. louis bombers. he averaged 5.8 points per game in his nba career. | wikipedia |
eed6410e55bcfb1f5fde7f39bfb4fb6fd6137b37 | a 6'0" guard from the college of the | a 6'0" guard from the college of the holy cross, o'connell played two seasons (1948–1950) in the national basketball association as a member of the boston celtics and st. louis bombers. he averaged 5.8 points per game in his nba career. | wikipedia |
23009c779e27e1854871328e0f6dc29c7f6942f7 | nova scotia has two major national parks, cape | nova scotia has two major national parks, cape breton highlands national park and kejimkujik national park. nova scotia is also home to three unesco world heritage sites.. the two cultural and one natural site are the town of lunenberg, the grand-pré national historic site, and the joggins fossil cliffs. nova scotia is... | wikipedia |
588878c3a65ee2406c472ac21c652a46cf3661e1 | an estimated total of 1,659,000 tourists visited nova | an estimated total of 1,659,000 tourists visited nova scotia in the months of january - september 2015, a 6 percent increase over the same period in 2014. this trend reverses a decline in the number of tourists that visited nova scotia in 2013, particularly during the off-peak season. | wikipedia |
eb490af55df7f712435fde927c7bfde621b194a7 | nova scotia has a highly developed highway system | nova scotia has a highly developed highway system which allows for road transportation between various communities and tourism sites within the province. maritime bus provides road transportation to/from nova scotia from the neighbouring province of new brunswick. marine atlantic also provides two ferry links to the co... | wikipedia |
23009c779e27e1854871328e0f6dc29c7f6942f7 | nova scotia has two major national parks, cape | nova scotia has two major national parks, cape breton highlands national park and kejimkujik national park. nova scotia is also home to three unesco world heritage sites.. the two cultural and one natural site are the town of lunenberg, the grand-pré national historic site, and the joggins fossil cliffs. nova scotia is... | wikipedia |
0ed4b31491060fdcb77cfbfe2fb8f33d0faa19db | hardware-based encryption is the use of computer hardware | hardware-based encryption is the use of computer hardware to assist software, or sometimes replace software, in the process of data encryption. typically, this is implemented as part of the processor's instruction set. for example, the aes encryption algorithm can be implemented using the aes instruction set on the ubi... | wikipedia |
d829696b0a8332086f344693fcd4c2d901896a9d | if, however, the hardware implementation is compromised, major | if, however, the hardware implementation is compromised, major issues arise. malicious software can retrieve the data from the (supposedly) secure hardware – a large class of method used is the timing attack. this is far more problematic to solve than a software bug, even within the operating system. microsoft regularl... | wikipedia |
b052eba6b251f829492918fd971880a5d6ee0a82 | implementing cryptography in hardware means that part of | implementing cryptography in hardware means that part of the processor is dedicated to the task. this can lead to a large increase in speed. in particular, modern processor architectures that support pipelining can often perform other instructions concurrently with the execution of the encryption instruction. furthermo... | wikipedia |
aea13b1d7079a0cbc060844493e36949abf333a2 | advanced micro devices (amd) processors are also x86 | advanced micro devices (amd) processors are also x86 devices, and have supported the aes instructions since the 2011 bulldozer processor iteration. due to the existence of encryption instructions on modern processors provided by both intel and amd, the instructions are present on most modern computers. they also exist ... | wikipedia |
6965b37657457c0ffe7892c65568303018c58f72 | the x86 architecture, as a cisc (complex instruction | the x86 architecture, as a cisc (complex instruction set computer) architecture, typically implements complex algorithms in hardware. cryptographic algorithms are no exception. the x86 architecture implements significant components of the aes (advanced encryption standard) algorithm, which can be used by the nsa for to... | wikipedia |
d9365d4192960fdc406557140f1cfbc46dd64b31 | prior to the use of computer hardware, cryptography | prior to the use of computer hardware, cryptography could be performed through various mechanical or electro-mechanical means. an early example is the scytale used by the spartans. the enigma machine was an electro-mechanical system cipher machine notably used by the germans in world war ii. after world war ii, purely ... | wikipedia |
3ad4f5e32258dcd36567a8eafdc9cb6e1c08d2d6 | hardware-based encryption is the use of computer hardware | hardware-based encryption is the use of computer hardware to assist software, or sometimes replace software, in the process of data encryption. typically, this is implemented as part of the processor 's instruction set. for example, the aes encryption algorithm (a modern cipher) can be implemented using the aes instruc... | wikipedia |
de3bb1d7b3eed15a6aeb2254774e4ca64d7aae19 | on 2 april 2024, the rangers signed väisänen | on 2 april 2024, the rangers signed väisänen to a three-year, entry-level contract. he joined the wolf pack for the end of the 2023-24 season after the end of tps's season. | wikipedia |
4e0efcf472f7e65d83191b034f9495335a71dd33 | kalle väisänen (born 28 january 2003) is a | kalle väisänen (born 28 january 2003) is a finnish professional ice hockey left winger for the hartford wolf pack of the american hockey league (ahl) as a prospect to the new york rangers of the national hockey league (nhl) | wikipedia |
02217f081aa2cdbbf331bc9afdae14986afa3769 | auxetics are typical structures of the representative mechanical | auxetics are typical structures of the representative mechanical meta-materials. mechanical meta-materials are structures whose mechanical properties are artificially derived from sophisticated structures and refer to unique structures that do not take place in nature. herein, the basic concept of meta implies somethin... | wikipedia |
0f95114dc90bf33961d102c0b09b4fd0bf098528 | expansion structures of auxetics are being attempted in | expansion structures of auxetics are being attempted in a variety of fields. typical studies are being conducted on impact protection, medical devices, textiles, and sound vibration control. in terms of impact protection, auxetic materials are appropriate for use in protective equipment such as body armor, helmets, and... | wikipedia |
60fc7d1ec57dd97a15b7227e0e984ff75ff1b859 | auxeticity is also common in biological materials. the | auxeticity is also common in biological materials. the origin of auxeticity is very different in biological materials than the materials discussed above. one of the example is nuclei of mouse embryonic stem cells in transition state. a model has been developed by tripathi et. al to explain it. | wikipedia |
cc6ff55628a7309361f21182fe16a27c018154ed | at the macroscale, auxetic behaviour can be illustrated | at the macroscale, auxetic behaviour can be illustrated with an inelastic string wound around an elastic cord. when the ends of the structure are pulled apart, the inelastic string straightens while the elastic cord stretches and winds around it, increasing the structure's effective volume. auxetic behaviour at the mac... | wikipedia |
b375a02a1009d514f3200fdcb662e5c44308f074 | for these reasons, gradually, many researchers have become | for these reasons, gradually, many researchers have become interested in the unique properties of auxetics. this phenomenon is visible in the number of publications (scopus search engine), as shown in the following figure. in 1991, there was only one publication. however, in 2016, around 165 publications were released,... | wikipedia |
cc8e9eed4a353ea318e7185bd3aefbec28587297 | the term auxetic derives from the greek word | the term auxetic derives from the greek word auxetikos (αὐξητικός) which means 'that which tends to increase' and has its root in the word auxesis (αὔξησις), meaning 'increase' (noun). this terminology was coined by professor ken evans of the university of exeter. one of the first artificially produced auxetic material... | wikipedia |
098815ebc3ec3a8cfaae5d00ec9cbd5491a5c6ff | meanwhile, research using auxetic structures is also ongoing | meanwhile, research using auxetic structures is also ongoing in the microscopic world. unlike the general belief that auxeticity is rarely shown in crystalline solids, most of the cubic elemental metals show when they are stretched along the direction. as an example, both compliance coefficients (i.e. s11 and s12) of z... | wikipedia |
30d4c1542aa9500c2bcadfdff05d5fbd9c9aff08 | auxetics can be single molecules, crystals, or a | auxetics can be single molecules, crystals, or a particular structure of macroscopic matter. expansion structures of auxetics are being attempted in a variety of fields. typical studies are being conducted on impact protection, medical devices, textiles, and sound vibration control. in terms of impact protection, auxet... | wikipedia |
53a7c055a4d63181d0fd20f6559167deab04742e | auxetics are typical structures of the representative mechanical | auxetics are typical structures of the representative mechanical meta-materials. mechanical meta-materials are structures whose mechanical properties are artificially derived from sophisticated structures and refer to unique structures that do not take place in nature. herein, the basic concept of meta (meta means beyo... | wikipedia |
0b1ffee7a376c6f11ff82699931c109551806f5d | bar was the local season of the reality | bar was the local season of the reality the bar in poland. the show was aired on polsat and tv4. was, like its precursor, big brother, as many supporters as opponents. by the year 2004 held five polish edition of the program. in the year 2005 completed the next edition - bar europa, which proved to be the least popular... | wikipedia |
3b774ee56e5ecebe737f1c5924b2b192d64fee96 | in the first edition of the bar was | in the first edition of the bar was in the basement of a department store solpol at Świdnicka street, in the next - in the dining pavilion between the bridges on kepa mieszczańska. the program was created under license from swedish tv production company strix. leading in all the editions was krzysztof ibisz. the progra... | wikipedia |
01fe7a49a2a55c648ce64d3a530f768478b065b7 | the game began with more than a dozen | the game began with more than a dozen people (this number varied depending on the subsequent editions). all editions also featured new entrants, falling already during the program, usually at someone's place. the program lasted about three months. players stayed employed as a staff in place, "bar" and worked hard under... | wikipedia |
7bce9547287796d1bdb2095e3f62f9930aaa46c6 | the first two editions have been completed in | the first two editions have been completed in the year 2002 and it seemed then that this was the end of the show, like many reality tv programs, issued earlier by tv polsat. after a year of "bar" but he returned to television screens. the third edition in front of television attracted a much larger audience, advertised... | wikipedia |
467a6d5f7bfb35f9a38d016372ba3521497e6f3d | leading in all the editions was krzysztof ibisz. | leading in all the editions was krzysztof ibisz. the program consisted of tracking the fate of several participants in the program both at work in the premises, "bar" and in the house. participants scratching each week viewers vote smsowego decision, sitting on the so-called. "hot seat" to the finals, where he fought f... | wikipedia |
c612c19c727a82fffa7b3cb6093662173dc2d0b7 | "bar" was to work in one of the | "bar" was to work in one of the apartments in wroclaw and doing as much as the daily takings. about staying in the program determined both persons involved in the struggle (vote plus-minus), and the audience (by calling a special number or sending sms).in the first edition of the bar was in the basement of a department... | wikipedia |
fb876a36042b409fd3e96ebb3dc6c489199336d7 | bar was the local season of the reality | bar was the local season of the reality the bar in poland. the show was aired on polsat (first 5 editions) and tv4 (6th edition). was, like its precursor, big brother, as many supporters as opponents. by the year 2004 held five polish edition of the program. in the year 2005 completed the next edition - bar europa, whi... | wikipedia |
dbdbf087daf3eeba81e8a74c87f0c13bcff13a6e | kurosh's the theory of groups and zassenhaus' the | kurosh's the theory of groups and zassenhaus' the theory of groups include the proofs of schmidt and ore under the name of remak–schmidt but acknowledge wedderburn and ore. later texts use the title krull–schmidt (hungerford 's algebra) and krull–schmidt– azumaya (curtis–reiner). the name krull–schmidt is now popularly... | wikipedia |
0d94a055ff6ac2a864bcad93a46642cd046d49a8 | o. ore unified the proofs from various categories | o. ore unified the proofs from various categories include finite groups, abelian operator groups, rings and algebras by proving the exchange theorem of wedderburn holds for modular lattices with descending and ascending chain conditions. this proof makes no use of idempotents and does not reprove the transitivity of re... | wikipedia |
a11f19fbdbe57e6a17dc6014b82c26436fedde56 | wolfgang krull (Über verallgemeinerte endliche abelsche gruppen, m. | wolfgang krull (Über verallgemeinerte endliche abelsche gruppen, m. z. 23 (1925) 161–196), returned to g.a. miller 's original problem of direct products of abelian groups by extending to abelian operator groups with ascending and descending chain conditions. this is most often stated in the language of modules. his pr... | wikipedia |
3771f3f5580249b00b82f136a8cb8a8e93d2b55b | otto schmidt (sur les produits directs, s. m. | otto schmidt (sur les produits directs, s. m. f. bull. 41 (1913), 161–164), simplified the main theorems of remak to the 3 page predecessor to today's textbook proofs. his method improves remak's use of idempotents to create the appropriate central automorphisms. both remak and schmidt published subsequent proofs and c... | wikipedia |
e5c080a2e27ed761a032d6ef82208665057b3909 | the thesis of robert remak (1911) derived the | the thesis of robert remak (1911) derived the same uniqueness result as wedderburn but also proved (in modern terminology) that the group of central automorphisms acts transitively on the set of direct decompositions of maximum length of a finite group. from that stronger theorem remak also proved various corollaries i... | wikipedia |
a5455152331f0375f2e1176f8746ec04833ece98 | the present-day krull–schmidt theorem was first proved by | the present-day krull–schmidt theorem was first proved by joseph wedderburn (ann. of math (1909)), for finite groups, though he mentions some credit is due to an earlier study of g.a. miller where direct products of abelian groups were considered. wedderburn's theorem is stated as an exchange property between direct de... | wikipedia |
a9b5418a2099f74e619482d30670b703b6225f57 | if e ≠ 0 {\displaystyle e\neq 0} is | if e ≠ 0 {\displaystyle e\neq 0} is a module that satisfies the acc and dcc on submodules (that is, it is both noetherian and artinian or – equivalently – of finite length), then e {\displaystyle e} is a direct sum of indecomposable modules. up to a permutation, the indecomposable components in such a direct sum are un... | wikipedia |
9c225610827cbd934004a4ef8280e9b7399b7772 | a remak decomposition, introduced by robert remak, is | a remak decomposition, introduced by robert remak, is a decomposition of an abelian group or similar object into a finite direct sum of indecomposable objects. the krull–schmidt theorem gives conditions for a remak decomposition to exist and for its factors to be unique. | wikipedia |
845b011526f75554ac24636e34c3136c5aa068c7 | proving existence is relatively straightforward: let s be | proving existence is relatively straightforward: let s be the set of all normal subgroups that can not be written as a product of indecomposable subgroups. moreover, any indecomposable subgroup is (trivially) the one-term direct product of itself, hence decomposable. if krull-schmidt fails, then s contains g; so we may... | wikipedia |
6cf866ea9e827b8ed27dcc14012f950bd671fab3 | if g {\displaystyle g} is a group that | if g {\displaystyle g} is a group that satisfies both acc and dcc on normal subgroups, then there is exactly one way of writing g {\displaystyle g} as a direct product g 1 × g 2 × ⋯ × g k {\displaystyle g_{1}\times g_{2}\times \cdots \times g_{k}\,} of finitely many indecomposable subgroups of g {\displaystyle g}. here... | wikipedia |
b96e5fad2ce71e9673bd5cb78210133c9c4a25b1 | clearly, all finite groups satisfy both acc and | clearly, all finite groups satisfy both acc and dcc on subgroups. the infinite cyclic group z {\displaystyle \mathbf {z} } satisfies acc but not dcc, since (2) > (2) > (2) >... is an infinite decreasing sequence of subgroups. on the other hand, the p ∞ {\displaystyle p^{\infty }} -torsion part of q / z {\displaystyle \... | wikipedia |
6930de0432efe88676fdd1a099a87c47a7fdd07c | the spectral centroid is a measure used in | the spectral centroid is a measure used in digital signal processing to characterise a spectrum. it indicates where the center of mass of the spectrum is located. perceptually, it has a robust connection with the impression of brightness of a sound. it is sometimes called center of spectral mass. | wikipedia |
c52d047198821e2db60955aff55ac204166936a2 | some people use "spectral centroid" to refer to | some people use "spectral centroid" to refer to the median of the spectrum. this is a different statistic, the difference being essentially the same as the difference between the unweighted median and mean statistics. since both are measures of central tendency, in some situations they will exhibit some similarity of b... | wikipedia |
6930de0432efe88676fdd1a099a87c47a7fdd07c | the spectral centroid is a measure used in | the spectral centroid is a measure used in digital signal processing to characterise a spectrum. it indicates where the center of mass of the spectrum is located. perceptually, it has a robust connection with the impression of brightness of a sound. it is sometimes called center of spectral mass. | wikipedia |
35c2633fdbae582f5073ccd2db42fa992d18a8b4 | jonathan b. bricker is an american clinical psychologist, | jonathan b. bricker is an american clinical psychologist, academic, and scientist. he is a full professor in the division of public health sciences (phs) at the fred hutchinson cancer center, an affiliate professor in the department of psychology, and a member of the graduate faculty at the university of washington. he... | wikipedia |
0e2e53d497555991ab6391e49c732e3fe8a31c9e | providing scientific advisory on government policies and programs | providing scientific advisory on government policies and programs has been another way bricker's work has made public health impact. in 2015, he was a scientific advisor for the washington state senate bill 6096, which was signed into law on june 30, 2015, as the andy hill cancer research endowment fund (care) to fund ... | wikipedia |
e62c5eefa4de15a8a01fbd5f60ab3c73a3f0fac4 | bricker has disseminated his discoveries for broad public | bricker has disseminated his discoveries for broad public health impact, with his lab's digital interventions for quitting smoking. his self-help tools include his ai-based chatbot, quitbot, and an online class on quitting smoking, while his icanquit program is distributed in the us as the "2morrow health" smartphone a... | wikipedia |
3ede3926246efff14cf6ce339526545cf142fb65 | since 1999, bricker's work has been featured in | since 1999, bricker's work has been featured in media outlets including the new york times, washington post, cnn, time, and newsweek. he has presented his research to the us surgeon general, centers for disease control, the first lady of china (madame peng liyuan), and the comedian and writer trevor noah. | wikipedia |
f482a18d319bfceea713cca9d7467b9b9d4771fc | bricker has served as a regular member on | bricker has served as a regular member on grant review panels for the nih's center for scientific review, including chairing review panels focused on tobacco regulatory science and smoking cessation interventions for individuals with hiv. he is a fellow of scientific societies including the association for contextual b... | wikipedia |
c1758dce5f06bb0003e7a8dc6fac0f3ee2d3f740 | through his longstanding affiliation with the university of | through his longstanding affiliation with the university of washington's department of psychology, bricker has mentored graduate and undergraduate psychology students who have joined his habit lab. his mentoring has also included junior faculty and post-doctoral researchers at the fred hutch. together, they have publis... | wikipedia |
f828b9c862dcc1e793368415f38e4650b646f90f | after completing his phd in 2003, bricker joined | after completing his phd in 2003, bricker joined the faculty of the fred hutch cancer center in seattle, washington. his early research at the fred hutch focused on conducting longitudinal cohort studies examining social and psychological influences on youth and young adult smoking initiation and cessation. he also stu... | wikipedia |
bfce1bb6dc46f6299c12b11107299bc6e8a40533 | bricker's research career began in 1997 as a | bricker's research career began in 1997 as a clinical psychology phd student at the university of washington, mentored by irwin sarason, where his training focused on psychological research methods and treating addictions and anxiety disorders. while in graduate school, he conducted research on defining and measuring a... | wikipedia |
b4e3389e86c825b7b44b4f12a0a623ed6633011c | bricker earned his b.a. with majors in psychology | bricker earned his b.a. with majors in psychology and english literature from the university of california, berkeley in 1997. he then obtained his m.s. in clinical psychology from the university of washington (uw), in 1999, followed by his ph.d. in clinical psychology from the same institution in 2003. | wikipedia |
17976b7e52344d86c9455090ddc7da2ac51213f7 | bricker's main contribution to science is in the | bricker's main contribution to science is in the novel translation of behavioral therapies into high-reach technologies that prevent cancer. he is most known for integrating acceptance and commitment therapy (act) into ai -based chatbots, smartphone apps, websites, and telehealth interventions for preventing major caus... | wikipedia |
1dd5a88b732474548c0fd04a13412e1b94f743ea | jonathan b. bricker is an american clinical psychologist, | jonathan b. bricker is an american clinical psychologist, academic, and scientist. he is a full professor in the division of public health sciences (phs) at the fred hutchinson cancer center, an affiliate professor in the department of psychology, and a member of the graduate faculty at the university of washington. he... | wikipedia |
7a6df6e82e8cf58979000a3e71b2f478e42dd39e | this is a list of territorial governors in | this is a list of territorial governors in the 21st century (2001–present) ad, such as the administrators of colonies, protectorates, or other dependencies. where applicable, native rulers are also listed. for the purposes of this list, a current dependency is any entity listed on these lists of dependent territories a... | wikipedia |
a5665e938677afa46bedad865882baa6bae02a37 | for the purposes of this list, a current | for the purposes of this list, a current dependency is any entity listed on these lists of dependent territories and other entities. a dependent territory is normally a territory that does not possess full political independence or sovereignty as a sovereign state yet remains politically outside of the controlling stat... | wikipedia |
6d8f129d4dfb7dd5c5ce798b20f1f0881ec04f42 | jencks's father, gardner jencks, was a pianist and | jencks's father, gardner jencks, was a pianist and composer. jencks attended the calvert school, and completed high school from st. paul's school near baltimore. after his first year at medical school, he did research with george wald at the marine biological laboratory at woods hole on lobster shell pigments. at woods... | wikipedia |
34d4c2b929ad934ffd9fd2f59a666c9d7dd3d41d | jencks was a recipient of the 1962 american | jencks was a recipient of the 1962 american chemical society eli lilly award in biological chemistry, the 1993 american society of biological chemists award, the 1995 american chemical society james flack norris award in physical organic chemistry, and the 1996 american chemical society repligen corporation award in ch... | wikipedia |
3f821d3c2324725868e607a090ceabafbe7101d6 | much of his career focused on reaction mechanisms | much of his career focused on reaction mechanisms used by enzyme catalysts. he was particularly well known for studies of the reaction of nucleophiles with carbon. he proposed that enzymes use ground state destabilization, termed the circe effect, to increase the reactivity of their bound substrates. in this work he pr... | wikipedia |
87c611806c151ca40167cbab3eaf0c7ea12994d9 | jencks graduated from harvard college in 1947 with | jencks graduated from harvard college in 1947 with a degree in english, and earned a doctor of medicine from harvard university in 1951. he interned at the peter bent brigham hospital. jencks conducted his first postdoctoral research for two years with fritz lipmann at harvard medical school. jencks was drafted into th... | wikipedia |
13140b1700e09830bd41560dd18290594d7949d1 | william platt jencks (august 15, 1927 – january | william platt jencks (august 15, 1927 – january 3, 2007) was an american biochemist. he was noted particularly for his work on enzymes, using concepts drawn from organic chemistry to understand their mechanisms. | wikipedia |
792b1e8ba3e5d88bd7991df7744fe206f9cdb0b3 | in digital signal processing, multidimensional sampling is the | in digital signal processing, multidimensional sampling is the process of converting a function of a multidimensional variable into a discrete collection of values of the function measured on a discrete set of points. this article presents the basic result due to petersen and middleton on conditions for perfectly recon... | wikipedia |
fb8358ceafc3243b6614b4dad12d5d39fbefa578 | explicit construction of ideal low-pass filters (i.e., sinc | explicit construction of ideal low-pass filters (i.e., sinc functions) generalized to optimal lattices is possible by studying the geometric properties of brillouin zones (i.e., Ω {\displaystyle \omega } in above) of these lattices (which are zonotopes). this approach provides a closed-form explicit representation of χ... | wikipedia |
463f61cafc223f8fc42df1e5a5fc340aee883f1f | since optimal lattices, in general, are non-separable, designing | since optimal lattices, in general, are non-separable, designing interpolation and reconstruction filters requires non-tensor-product (i.e., non-separable) filter design mechanisms. box splines provide a flexible framework for designing such non-separable reconstruction fir filters that can be geometrically tailored fo... | wikipedia |
76b39e08be6e7b47f9a29451a6882220539ee51f | one of the objects of interest in designing | one of the objects of interest in designing a sampling scheme for wavenumber-limited fields is to identify the configuration of points that leads to the minimum sampling density, i.e., the density of sampling points per unit spatial volume in ℜ n {\displaystyle \re ^{n}}. typically the cost for taking and storing the m... | wikipedia |
c3670ed8f7edefeaa2b48dadb2a006a0152c463c | a simple illustration of aliasing can be obtained | a simple illustration of aliasing can be obtained by studying low-resolution images. a gray-scale image can be interpreted as a function in two-dimensional space. an example of aliasing is shown in the images of brick patterns in figure 5. the image shows the effects of aliasing when the sampling theorem's condition is... | wikipedia |
365ffef8e89e2a0be57759f604f5b72f8337a7af | the theorem gives conditions on sampling lattices for | the theorem gives conditions on sampling lattices for perfect reconstruction of the sampled. if the lattices are not fine enough to satisfy the petersen-middleton condition, then the field cannot be reconstructed exactly from the samples in general. in this case we say that the samples may be aliased. again, consider t... | wikipedia |
91f2bb6ee88acac96a1fbf33996c517cdd4aa483 | as an example suppose that Ω {\displaystyle \omega | as an example suppose that Ω {\displaystyle \omega } is a circular disc. figure 3 illustrates the support of f ^ s (⋅) {\displaystyle {\hat {f}}_{s}(\cdot)} when the conditions of the petersen-middleton theorem are met. we see that the spectral repetitions do not overlap and hence the original spectrum can be exactly r... | wikipedia |
fc35f73b65ef9dfe7c1e6efa394b0b62305276f2 | where χ ˇ Ω (⋅) {\displaystyle {\check {\chi | where χ ˇ Ω (⋅) {\displaystyle {\check {\chi }}_{\omega }(\cdot)} is the inverse fourier transform of the characteristic function of the set Ω {\displaystyle \omega }. this interpolation formula is the higher-dimensional equivalent of the whittaker–shannon interpolation formula. | wikipedia |
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