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4b0ac15dcf0e799cbc71203b8a43b0b6a11d3af3 | on july 1, 2017, summers left the rangers | on july 1, 2017, summers left the rangers as a free agent and signed a two-year, two-way $650,000 contract with the pittsburgh penguins. summers played the duration of his contract exclusively with ahl affiliate, the wilkes-barre/scranton penguins. | wikipedia |
b1166a268e24434b00e8d31929d3cf39cc68b7e3 | on march 1, 2015, summers was included in | on march 1, 2015, summers was included in a trade by the coyotes to the new york rangers along with defenseman keith yandle and a 2015 fourth round pick in exchange for defenseman john moore, anthony duclair, and two draft picks (2016 first round and 2015 second round). | wikipedia |
8ddc86724449aa21e10b3b28ec542f091e8b4b55 | after his senior year in 2009–10, summers signed | after his senior year in 2009–10, summers signed a two-year entry level contract with the coyotes on march 31, 2010. he was then assigned to ahl affiliate, the san antonio rampage on an amateur try out contract for the remainder of the season. | wikipedia |
64ba3ea47c3259f409d45f0f572cb152c9175dde | a native of milan, michigan, graduating milan high | a native of milan, michigan, graduating milan high school in 2006, summers was drafted by the phoenix coyotes in the first round, 29th overall, in the 2006 nhl entry draft. drafted from the usa hockey national team development program in ann arbor, summers was recruited to play collegiate hockey with the university of ... | wikipedia |
4db9438fd700b310822148f24bc2bb4604acef4e | christopher c. summers (born february 5, 1988) is | christopher c. summers (born february 5, 1988) is an american former professional ice hockey defenseman who played in the national hockey league (nhl) with the arizona coyotes and new york rangers. he played out his career with the thomas sabo ice tigers of the deutsche eishockey liga (del). | wikipedia |
2e26b72f6a2708cec1dca014a9e6de9977c2cb7b | janevski made his senior debut for yugoslavia in | janevski made his senior debut for yugoslavia in an august 1987 friendly match against the soviet union and has earned a total of two caps. he then made another debut for macedonia in an october 1993 friendly against slovenia and has earned a further five caps. his final international was a june 1995 european champions... | wikipedia |
1f84d505f8c74b847da1a9a1a303123f5556c2c2 | during janevski's two-year stint at club brugge, the | during janevski's two-year stint at club brugge, the team where he would later become youth trainer, assistant manager and eventually manager, he won both the league in 1990 and the belgian cup in 1991.he never managed a secure place in the starting line-up, playing 35 matches and scoring once over the course of two ye... | wikipedia |
1693275c75f556086d74705ca5a368dcc9b2307f | Čedomir "Čede" janevski (macedonian: Чедомир "Чеде" Јаневски, born | Čedomir "Čede" janevski (macedonian: Чедомир "Чеде" Јаневски, born 3 july 1961) is a macedonian professional football manager and former player. he played internationally for both yugoslavia and macedonia. | wikipedia |
3c2097d9b69404d96099fd7232c895f4816fa58e | laurence frederick abbott is an american theoretical neuroscientist, | laurence frederick abbott is an american theoretical neuroscientist, who is currently the william bloor professor of theoretical neuroscience at columbia university, where he helped create the center for theoretical neuroscience. he is widely regarded as one of the leaders of theoretical neuroscience, and is coauthor, ... | wikipedia |
931a37b22fa5265a5dd4f6c9be09e6db26de02fe | abbott attended oberlin college from 1968 to 1971, | abbott attended oberlin college from 1968 to 1971, where he received a bachelor's degree in physics. he subsequently attended graduate school at brandeis university from 1973 to 1977, where he received his ph.d. in physics. he subsequently worked in theoretical particle physics, serving as research associate at stanfor... | wikipedia |
3d2bbd15467dcce8ed2e1d48a72d1ff3f5d4c8c2 | abbott has received numerous awards for his work | abbott has received numerous awards for his work in the field, including memberships in the national academy of sciences and the american academy of arts and sciences. in 2010, he received the swartz prize for theoretical and computational neuroscience. in 2022 he was awarded the gruber neuroscience prize. in 2024, he ... | wikipedia |
ddac9c0bff6a42d6a6fa30defe664a3dccc20d5d | laurence frederick abbott (born 1950) is an american | laurence frederick abbott (born 1950) is an american theoretical neuroscientist, who is currently the william bloor professor of theoretical neuroscience at columbia university, where he helped create the center for theoretical neuroscience. he is widely regarded as one of the leaders of theoretical neuroscience, and i... | wikipedia |
b90dbf6eeb93e72b335d6cc4c9f1d1c801feea3d | lawrence awuley quaye is a former professional footballer | lawrence awuley quaye is a former professional footballer who played as a central midfielder. born in ghana, quaye gained qatari citizenship and represented the qatar national team. he took the arabic name of anas mubarak after becoming a qatari citizen. | wikipedia |
3417dca6e6fad4ef0257d4fb280f438f83fd2d4c | in 2010, he changed to play for qatar | in 2010, he changed to play for qatar at 2011 afc asian cup, which qatar as host. he capped for his adoptive nation in warm-up friendlies, against haiti, egypt, estonia, iran and north korea. he also played all 3 matches against kuwait, yemen and saudi arabia in 20th arabian gulf cup. he was the starting central midfie... | wikipedia |
2131dbfd25468f35e82f51379b2ae3e6e511f019 | he played for the black starlets at 2001 | he played for the black starlets at 2001 meridian cup, including a 1–1 draw with portugal u18, losing to italy u18 0–1 as captain. and losing 0–2 to spain. | wikipedia |
6da76c5372478b95b3df558dadd8c83a68762dec | he also a regular starter in 2008 and | he also a regular starter in 2008 and 2009 edition, played 4 and 5 games respectively. in 2010 edition, he only played in the both legs of the quarter-finals, losing to al hilal 4–5 in aggregate. | wikipedia |
9c345f63b713ad27d9a059622fd940d77209c49b | born in accra, quaye began his career with | born in accra, quaye began his career with liberty professionals. in january 2003 he was signed by french ligue 2 side saint-Étienne. he played his first ligue 2 match and first league start on 8 march 2003, a 1–1 draw with wasquehal. he scored his only goal for the club on 6 december 2003 against gueugnon, which was t... | wikipedia |
53c1e90dd031f980d937f9b12700631b20010879 | born in ghana, quaye gained qatari citizenship and | born in ghana, quaye gained qatari citizenship and represented the qatar national team. he took the arabic name of anas mubarak (arabic: أنس مبارك) after becoming a qatari citizen. | wikipedia |
65111c586e1b3d2efb8976a2463057bffeb3f153 | adriaan kortlandt was a dutch ethologist. he has | adriaan kortlandt was a dutch ethologist. he has been described together with vernon reynolds and jane goodall as "...one of a trio of pioneers ... who founded field studies of chimpanzees in the 1960s." | wikipedia |
a85aa0323cca502787a4742fa07fa9cd46ae853f | kortlandt also built a robotic model early human | kortlandt also built a robotic model early human ancestor with movable thorns for arms. when experimentally placed near wild lions, they were frightened away by its jerky motions and whipping thorns. kortlandt concluded even simple thorn branches could have helped early humans intimidate predators on the dangerous afri... | wikipedia |
f410e65c1c8f9fb0230b85d505170af1e83aed90 | the most striking phenomenon was their obvious fear | the most striking phenomenon was their obvious fear of hurting the pads of their paws on the spines. they could easily have swept away the thorn branches, or lifted them up, with just one gentle movement of a paw, but they were much too afraid to do so. | wikipedia |
d791b25f564a31bf5840175b0129d02a26fe44d9 | in 1980, kortlandt carried out experiments on the | in 1980, kortlandt carried out experiments on the defense strategies of early small-posture hominids in collaboration with george adamson. he tested ideas that thorn weapons might have deterred predators from early humans by putting meat under thorn branches and observing lion reactions. | wikipedia |
314f24f6a979d5843c06d1ed430c768e6bcd14fd | in 1965, adriaan kortlandt conducted experiments with chimpanzees | in 1965, adriaan kortlandt conducted experiments with chimpanzees to understand the defense mechanisms of early humans against predators. he introduced a stuffed leopard electronic moving head to a group of chimpanzees. the chimpanzees responded by attacking the leopard using sticks and amplified their assault with lou... | wikipedia |
04176dd204446c1d2c57fa133b77deba207a672a | if in a cormorant or an avocet a | if in a cormorant or an avocet a fighting impulse is thwarted for one reason or another, the bird will perform sexual and nesting behaviour. further, if a sexual impulse is thwarted, the bird will peck its mate or make nesting movements. a nesting impulse when thwarted may give rise to sexual or fighting activities. ("... | wikipedia |
d0ce725c43727f4a9f076ffe6d516cf8617d57b1 | kortlandt studied the instinctive behaviors of cormorants from | kortlandt studied the instinctive behaviors of cormorants from a young age. his detailed observations pioneered new methods for studying animal behavior patterns in birds. his work provided insights into the rigid nature of instinctive behaviors in cormorants and their importance for species survival. however, when kor... | wikipedia |
3cab71efe260e2ab77d27c2a28dc7e5ed0765faa | as a teenager in the dutch city of | as a teenager in the dutch city of rotterdam, adriaan kortlandt would often get on his bicycle after school and pedal out to a nature park in the suburb of lekkerkerk. he spent long hours alone there, watching and photographing a colony of cormorants, a pelican-like bird, as they built their nests and dove into the wat... | wikipedia |
d9e16a55f75031d3b84b2f70adcb4746cc120a5b | adriaan kortlandt (january 25, 1918, rotterdam – october | adriaan kortlandt (january 25, 1918, rotterdam – october 18, 2009, amsterdam) was a dutch ethologist. he has been described together with vernon reynolds and jane goodall as "...one of a trio of pioneers... who founded field studies of chimpanzees in the 1960s." | wikipedia |
7ec914241da93877180c3c20fc8796212765cf8a | allyn condon is an english former sprinter and | allyn condon is an english former sprinter and bobsleigher. at the vancouver olympic games in 2010 he became the seventh person to have competed for great britain in both the summer and winter olympic games having already competed in the sydney olympics in 2000. | wikipedia |
8f24af9c7f3b05dcb94b72ecff278babada8ebc8 | in 2010 after a season of selection upsets, | in 2010 after a season of selection upsets, he was selected to represent great britain at the vancouver winter olympic games, becoming part of a select group to have competed at both the summer and winter olympics. as a bobsledder, condon finished 17th in the four-man event at the 2010 winter olympics in vancouver alon... | wikipedia |
64951bde3932e5d21482feaac2d5539145bc2aa3 | during his first year in the sport he | during his first year in the sport he became a first team regular in both the two-man and four-man events. his best finish at the fibt world championships was fifth in the four-man event at st. moritz in 2007. condon's best world cup finish was tenth in a four-man event at winterberg in 2008. | wikipedia |
98f6dd4564968a009a8e01947bfe346e484197d0 | in 2003 he was a finalist in the | in 2003 he was a finalist in the 200m at the ((world indoor athletics championships | 2003)) but was unfortunately disqualified after getting two false starts. he refused to leave the track despite the disqualification, holding the event up for a period of around 10 - 15 minutes. after huge support from the home nation... | wikipedia |
3adfe2e0db6296f9f3053f47028dc196ed7e213b | after a short time out of the sport, | after a short time out of the sport, he got back to full fitness and in august became the 2002 commonwealth games gold medalist in manchester in the 4 × 100 m relay. condon flew out to munich as part of the great britain team for the 2002 european athletics championships, but after a dispute with the team management ov... | wikipedia |
1e008581b2adb2de240dd0613b789da3f1cc3e0d | in 2000 he was selected for his first | in 2000 he was selected for his first olympic games in sydney where he competed as part of the 4 × 100 m relay team. in august 2001 after competing for sale harriers manchester in a league competition, allyn collapsed and was later rushed into hospital with renal failure and endocarditis. after spending six weeks in ho... | wikipedia |
2fca3b2e96e6efc3b83bab66f32bd9a86e773c00 | the following year he won a 4 × | the following year he won a 4 × 400 m relay bronze at the 1999 iaaf world indoor championships and outdoors won the a silver medal in the event at the 1999 world championships in athletics. at that competition he also ran first leg in the 4 × 400 m relay team that broke the british indoor record and won a bronze medal.... | wikipedia |
7162ae609fff0e7919d5fe184edcb7db5ec6a8a7 | he was the 200 metres bronze medalist at | he was the 200 metres bronze medalist at the 1998 european athletics indoor championships and won 4 × 100 m relay gold medals at the 1998 european cup and 1998 iaaf world cup and 1998 european athletics championships. also in 1998 he represented england in the 200 metres event, at the 1998 commonwealth games in kuala l... | wikipedia |
519e91f095ef17708b13c9b3886a34f13c9a6f0e | in 1992 he ran first leg in the | in 1992 he ran first leg in the 4 x 100 metres relay team that took gold at the world junior championships in south korea, breaking the european junior record in the process. he became one of the youngest sportsmen ever to be selected to compete for great britain at the world cup in cuba were at the age of 18 he won a ... | wikipedia |
4b8d3d7aac7f1b2d4a5e48d1bf9da74376f3c724 | condon has been coached by his father morris | condon has been coached by his father morris condon since the age of 10 years. he showed a talent for athletics at an early age when he won two gold medals at the european youth olympics in brussels in 1991 at the age of 16 and then was part of the winning 4 x 400 metres relay team at the european junior championships ... | wikipedia |
5e7ff5635a71243e6ef7adff64877eec9c7b4ee4 | allyn condon (born 24 august 1974) is an | allyn condon (born 24 august 1974) is an english former sprinter and bobsleigher. at the vancouver olympic games in 2010 he became the seventh person to have competed for great britain in both the summer and winter olympic games having already competed in the sydney olympics in 2000. | wikipedia |
6011f0b04fe126257643fad4d339a811e10cc5fa | biseswar's parents are from suriname, although he was | biseswar's parents are from suriname, although he was once (incorrectly) thought to be eligible for trinidad and tobago citizenship. he has one older sister and one younger brother, who is named romario. the biseswar boys were named after football icons maradona and romário. | wikipedia |
43cfafa4df7bc86b8ce667422fe57441a4b86bad | on 21 january 2020, biseswar accepted a proposal | on 21 january 2020, biseswar accepted a proposal from the suriname national team. he earned his first cap on 27 march 2021 against aruba with a 0–6 win. in june 2021 biseswar was named to the suriname squad for the 2021 concacaf gold cup. | wikipedia |
333e1996deb185e9857d628943b6d955395cc483 | in march 2009, biseswar was called up by | in march 2009, biseswar was called up by manager johan neeskens for the b-international squad. he made his netherlands b debut on 3 june 2009, where he played 52 minutes, in a 4–0 loss against argentina u20. biseswar went on to make two more appearances for the side. | wikipedia |
a00971e0ae947c349a045808720b88c73169bb39 | in october 2008, biseswar was called up to | in october 2008, biseswar was called up to the netherlands u21 squad for the first time, but was not used. it wasn't until on 11 august 2009 when he made his netherlands u21 debut, starting the whole game, in a 0–0 draw against england u21. biseswar then scored his first netherlands u21 goal on 4 september 2009, in a 2... | wikipedia |
bdf749506adcd0f9588d67a178c654c40f31ac4b | biseswar played at the 2005 uefa european under-17 | biseswar played at the 2005 uefa european under-17 football championship in italy, scoring a late group stage winner against israel. the goal took the netherlands through to the semi-final against hosts italy. biseswar was mentioned in the team of the tournament, but couldn't save his team from losing in the final to t... | wikipedia |
77f2d29dbf6b0c0db64c426ed2129f70e56ca9b3 | biseswar was voted best left winger of the | biseswar was voted best left winger of the decade (2010–2020) by the fans of paok. at the end of september 2020, bisewar was linked with a transfer to uae pro league club al ain fc, but the deal did not complete as he could not agree personal terms with the club. | wikipedia |
138ad385dbb3a97edec13145c37a73123ae21246 | in the 2018–19 season, biseswar started the season | in the 2018–19 season, biseswar started the season when on 15 september 2018, he was named man of the match as he scored his first goal for the 2018–19 super league season as exchanged passes with morocco midfielder omar el kaddouri on the edge of the ofi penalty area, before bursting into the box and firing a low righ... | wikipedia |
552f34b3ff4bfe5242d0f744f50442b4838d0001 | in the 2018–19 season, biseswar started the season | channel and skipping past the challenge of mark asigba before scoring with a measured, right-footed shot in a 3–0 home win game against lamia in his club's rally to win the title after 34 years. a few minutes earlier he gave a precise cross to his teammate yevhen shakhov to score with a header, his 10th assist in all ... | wikipedia |
7c19114b1df7fa21d0114b93a126edc4faddda39 | however, in the 2017–18 season, biseswar found himself | however, in the 2017–18 season, biseswar found himself in the substitute bench in a number of matches for the side. as a result, he was linked with a move away from paok, with gençlerbirliği interested. but there was no offers made and biseswar eventually stayed at the club. biseswar then received a red card for a seco... | wikipedia |
6b0cfe986decf2f27bf4cab7b5183ed089021f7a | he made his paok debut, coming on as | he made his paok debut, coming on as a late substitute for charis charisis, as paok lost 2–1 to ajax in the second leg of the third round of the uefa champions league, eliminating the side from the tournament. biseswar then helped paok qualify for the uefa europa league group stage after beating dinamo tbilisi 5–0 on a... | wikipedia |
a0a547b6b87afd8f4ded17810063bf595d3c75ee | at the end of the 2015–16 season, biseswar | at the end of the 2015–16 season, biseswar was offered a new contract by kayserispor, but he rejected it and was expected to leave the club. until the expiration of his contract in summer 2016, he made 130 appearances scoring 19 goals in all competitions. | wikipedia |
838b421e3d1384f44c3cd4437307c05a925e693a | in the 2015–16 season, biseswar continued to regain | in the 2015–16 season, biseswar continued to regain his first team place for the side at the start of the season. he captained the side for the first time this season, which came on 28 september 2015, in a 1–0 loss against İstanbul başakşehir. on 23 october 2015, biseswar scored his first goal of the season, in a 3–1 w... | wikipedia |
46132fd42860e4ffe62a66a5958b40fc2255ee85 | in the 2014–15 season, biseswar continued to regain | in the 2014–15 season, biseswar continued to regain his first team place for the side at the start of the season. it wasn't until on 22 november 2014 when he scored his first goal of the season, in a 2–0 win over alanyaspor. two weeks later on 7 december 2014, biseswar scored again, in a 3–1 win over osmanlıspor. on 4 ... | wikipedia |
ae4abfef1d90fdf17b4836b08dbc7ee74dff0d02 | in the 2013–14 season, biseswar regained his first | in the 2013–14 season, biseswar regained his first team place for the side at the start of the season. he then scored his first goal of the season, in a 1–1 draw against gençlerbirliği on 15 september 2013. eleven days later, biseswar scored again in the second round of the turkish cup, in a 2–1 win over pazarspor. he ... | wikipedia |
3a449250dd4b3c9b47a3d118e364684c6f3f6722 | however, at the start of the 2012–13 season, | however, at the start of the 2012–13 season, biseswar suffered an injury that saw him miss three matches. upon returning from injury, he scored his first goal in his first appearance of the 2012–13 season, in a 3–2 loss against orduspor on 17 september 2012. but soon, biseswar found himself excluded from the squad in e... | wikipedia |
9eb9f241d8b153da4a9672e49e061ca96ef87358 | biseswar made his kayserispor debut on 8 january | biseswar made his kayserispor debut on 8 january 2012, starting the whole game, in a 1–0 loss against antalyaspor. three days later on 11 january 2012, he set up a goal for emir kujović, who scored a winning goal, in a 1–0 win over akhisar belediyespor in the third round of the turkish cup. five days later against gazi... | wikipedia |
295626b64d54bba199ee951251debfe124cc55e0 | ahead of the 2011–12 season, biseswar was linked | ahead of the 2011–12 season, biseswar was linked a move away from feyenoord in the summer transfer window. but the transfer move never materialised and he stayed at the club. however, biseswar suffered an abdominal muscle injury that kept him out for two months. it wasn't until on 2 october 2011 when he returned from i... | wikipedia |
76cbf850afa509d447084bf9374c6e1e7db5fd4b | in the 2010–11 season, biseswar, however, suffered an | in the 2010–11 season, biseswar, however, suffered an injury at the start of the season. at one point during the summer transfer window, he was subjected a loan transfer move to excelsior but rejected a move to the club. biseswar explained his decision that he wanted to stay at the club to fight for his place in the fi... | wikipedia |
ac5d7b444aedb6e0d15418aa795122244556d100 | in the 2009–10 season, biseswar found himself playing | in the 2009–10 season, biseswar found himself playing in the first team by coming on from the substitute bench. the decision to put biseswar came from new manager mario been, who was frustrated with his mentality with the club. despite this, he scored his first goal of the season in the second round of the knvb cup, in... | wikipedia |
12fcf9ccaebca4cdb23ac68b54e0960c1cd77088 | for the 2008–09 season, biseswar returned to feyenoord; | for the 2008–09 season, biseswar returned to feyenoord; his contract was due to expire at the end of the season, and he was placed on the transfer list. as a result, biseswar was expected to leave the club. he trialled at english club sheffield united, but they could not afford the player. feyenoord failed to sell the ... | wikipedia |
f98062d272f4544823f1abaede2e2a70ef6c8008 | for the 2007–08 season, biseswar had an unsuccessful | for the 2007–08 season, biseswar had an unsuccessful spell at eredivisie side de graafschap. he made his de graafschap debut on 2 february 2008 against excelsior, coming on as a substitute, in a 1–1 draw. biseswar failed to make an impression and only played 11 eredivisie matches for the club from doetinchem, without s... | wikipedia |
241c3ea06a39e9dbb3c8463a270d19e52320d20f | biseswar had two eredivisie loan spells while at | biseswar had two eredivisie loan spells while at feyenoord. for the 2006–07 season he joined heracles almelo. it came after he went on a trial for the club and were among six players to be cut following erwin koeman 's decision ahead of the new season. biseswar made his heracles almelo debut in the opening game of the ... | wikipedia |
c536b43059e79b282b69161ca32a2426561d1ff5 | ahead of the 2007–08 season, biseswar signed a | ahead of the 2007–08 season, biseswar signed a contract with feyenoord, keeping him until 2009. his first appearance of the 2007–08 season came on 26 august 2007, coming on as a late substitute, in a 5–0 win over nac breda. a month later on 26 september 2007, he made another appearance for the side, also coming on as a... | wikipedia |
25d461d83b594c184381e24bbb7e82eacf7a717e | in the 2005–06 season, biseswar mainly played for | in the 2005–06 season, biseswar mainly played for feyenoord u19. however, biseswar also made six appearances in feyenoord's first team and scored his first goal in the eredivisie. on 20 november 2005, biseswar replaced the injured ali boussaboun in the 53rd minute in the eredivisie away match against roda jc. in the 79... | wikipedia |
8682a8bae50911d2077ea177a25a85d4a5d7e78a | on 29 october 2004, he signed his first | on 29 october 2004, he signed his first professional three-year contract with feyenoord, at the age of 16. however, later that year, biseswar was suspended by the knvb for a month after he "played in a competition match, under a different name, in the first team of an amateur club from amsterdam but was quickly picked ... | wikipedia |
32179eb335d2e717487cb5742a986c47d6d73024 | after playing for feyenoord u15 for one season, | after playing for feyenoord u15 for one season, biseswar was promoted to feyenoord u17, in which he played for two seasons. at the end of the last season, biseswar made his debut with feyenoord's first team. | wikipedia |
07976cb417e1a5ff0f52f76c5ada31677db215e7 | biseswar returned to former club dws, before leaving | biseswar returned to former club dws, before leaving again to play for telstar. after one season, biseswar was asked to join the feyenoord youth academy, a move he was happy to make: "i visited them a few times and was quickly convinced. i had no difficulty to join feyenoord as a boy from amsterdam. and why? ajax was f... | wikipedia |
2531fae8fb190bf4a0fd2901e55cda4532e6344d | biseswar's first football club was amateur club dws. | biseswar's first football club was amateur club dws. he joined ajax after a year. after five seasons with ajax, he was deemed "unmanageable" and was released. bisewar has stated that he was happy to leave ajax, saying that "ajax thought i wasn't good enough and i wanted to leave myself. i didn't feel at ease, many frie... | wikipedia |
a5cbaf88e4d74019f07667d3007210d0c0015a00 | three-dimensional electrical capacitance tomography also known as electrical | three-dimensional electrical capacitance tomography also known as electrical capacitance volume tomography (ecvt) is a non-invasive 3d imaging technology applied primarily to multiphase flows. it was introduced in the early 2000s as an extension of the conventional two-dimensional ect. in conventional electrical capaci... | wikipedia |
ddebd8dde5adc0c5e6a5d3108b9019b92b4b3fe3 | in this application, a mobilized, remotely-controlled 3d ect | in this application, a mobilized, remotely-controlled 3d ect device is placed around the external tendon and scans the interior of the tendon. the tomographic device can then decipher information about the quality of the grouting or grease within the tendon in real time. it can also determine the size and location of a... | wikipedia |
2fdf8ed154d1caa45a1f6a9e8ce6382c669f240b | in the infrastructure inspection industry, it is desirable | in the infrastructure inspection industry, it is desirable to use equipment that inspects embedded components non-invasively. issues such as corroded steel, water penetration, and air voids are often embedded within concrete or other solid members. here, non-destructive testing (ndt) methods must be used to avoid compr... | wikipedia |
4fc8b0e4794867e549dc99891e2be0708639195e | 3d ect has been utilized in environments of | 3d ect has been utilized in environments of high temperatures up to 650 °c to image and characterize fluidized beds under high temperatures such as those used in fluidized bed reactors, fluid catalytic cracking and fluidized bed combustion. the application of this technology to high temperature fluidized beds has allow... | wikipedia |
62d53546f1d337b25fa81961d591250ec5bf1e3d | most of the gas-solid flow systems in chemical | most of the gas-solid flow systems in chemical industries operate at elevated temperatures for optimal reaction kinetics. under such harsh conditions, many laboratory measurement techniques are no longer available. however, ect has the potential for high-temperature applications due to its simple and robust design and ... | wikipedia |
59d3098242632c891f587ed16d1fd98ad096ab0f | the trickle bed reactor (tbr) is a typical | the trickle bed reactor (tbr) is a typical three-phase gas-liquid-solid system, and has applications in petroleum, petrochemical, biochemical, electrochemical and water treatment industries. in a tbr, gas and liquid flow downward concurrently through packed solid materials. depending on the gas and liquid flow rates, t... | wikipedia |
421f80fb45ef635cf6861e59b71b1445833f185e | another example of the application of 3d ect | another example of the application of 3d ect in gas-liquid systems is the study of a cyclonic gas-liquid separator, where a gas-liquid mixture enters a horizontal column tangentially and creates a swirling flow field where gas and liquid is separated by centrifugal force. ect successfully captures the liquid distributi... | wikipedia |
b3952e583cecf35c9ee4deb46b91a564f1762b42 | gas-liquid bubble column is a typical gas-liquid flow | gas-liquid bubble column is a typical gas-liquid flow system that is widely used in petrochemical and biochemical processes. the bubbling flow phenomena have been extensively researched with computational fluid dynamic methods as well as traditional invasive measurement techniques. ect possesses the unique ability to o... | wikipedia |
d3d606e9923886a7f0fd383cc48426d206098e7a | another example is 3d ect imaging of the | another example is 3d ect imaging of the riser and bend of a gas-solid circulating fluidized bed (cfb). a core-annulus flow structure in both the riser and the bend and a solid accumulation in the horizontal section of the bend are identified from quantitative images. | wikipedia |
dba59f152757acee796c77d73a2b0af43935081e | gas-solid fluidized bed is a typical gas-solid flow | gas-solid fluidized bed is a typical gas-solid flow system, and has been widely employed in chemical industries due to its superior heat and mass transfer and solid transport and handling. 3d ect has been successfully applied to gas-solid fluidized bed systems for system properties measurements and dynamic behaviors vi... | wikipedia |
70b18ecae598771877468503a0028ca4304cec2c | multi-phase flow refers to simultaneous flow of materials | multi-phase flow refers to simultaneous flow of materials of different physical states or chemical compositions, and is heavily involved in petroleum, chemical and biochemical industries. in the past, 3d ect has been extensively tested in a wide range of multi-phase flow systems in laboratory as well as industrial sett... | wikipedia |
ff1bdb60369ab4643f7769076507b9dd758b55fa | in order to increase spatial resolution, two basic | in order to increase spatial resolution, two basic strategies can be pursued. the first strategy consists of enriching the measurement data. this can be done by (a) adaptive acquisitions with synthetic electrodes, (b) spatio-temporal sampling using additional measurements obtained when objects are in different position... | wikipedia |
9bbd07b7f1a6b63e5de373decfbed563dfa72c73 | spatial resolution is a fundamental challenge in 2d | spatial resolution is a fundamental challenge in 2d and 3d ect. the spatial resolution is limited by the soft-field nature of ect and the fact that the interrogating electric field is quasi-static in nature. the latter property implies that the potential distribution between the plates is a solution of laplace equation... | wikipedia |
cedf368dc321afd41708c60588d0aaddcb0e14b1 | in general terms, the method of data acquisition | in general terms, the method of data acquisition used alongside 3d ect is very fast. data can be sampled from the sensor at several thousand times per second depending on the number of plate pairs in the sensor design and the analog design of the data acquisition system (i.e. clock speed, parallel circuitry, etc.). the... | wikipedia |
010e972b69c1536b01a2d0d2806a18dde4b2888b | compared to other sensing and imaging equipment such | compared to other sensing and imaging equipment such as gamma radiation, x-ray, or mri machines, 3d ect remains relatively cheap to manufacture and operate. part of this quality of the technology is due to its low energy emissions which do not require any additional mechanisms of containing waste or insulating high pow... | wikipedia |
cb238d57e2a18f420d5903c90cf283554738e768 | 3d ect operates on very large wavelengths, typically | 3d ect operates on very large wavelengths, typically using frequencies below 10 mhz to excite the electrodes. these long wavelengths allow the technology to operate under the quasi-electrostatic regime. as long as the diameter of the sensor is much smaller than the length of the wave, these assumptions hold valid. for ... | wikipedia |
4820cdca416dec534cdec5cf8b7a3d23e9e12901 | 3d ect is low energy, low frequency, and | 3d ect is low energy, low frequency, and non-radioactive, making it safe to employ in any situation where toxic waste, high voltage, or electromagnetic radiation is a concern. the low energy nature of the technology also makes it suitable for remote locations where power is in short supply. in many occasions, a simple ... | wikipedia |
87ed189cae6e077a5218d557cc9e6c44388e8e78 | the basic requirements of 3d ect sensors are | the basic requirements of 3d ect sensors are simple and can therefore be very modular in design. tomographic sensors require only conductive electrodes which are electrically isolated from one another and are also not shorted through the medium being inspected by the sensor. additionally there must be a way to excite a... | wikipedia |
6b9e7e57360e3999103ada84bc4fa2d302831933 | the application of the sensitivity gradient provides significant | the application of the sensitivity gradient provides significant improvement over more traditional (cross-correlation based) velocimetry, exhibiting better image quality and requiring less computational time. another advantage of the sensitivity gradient based velocimetry is its compatibility with conventional image re... | wikipedia |
1265c4d7cf85213e9e161abbd4193cf551958213 | where s {\displaystyle s} is the sensitivity distribution | where s {\displaystyle s} is the sensitivity distribution of an 3d ect sensor as shown to the right. upon application of the sensitivity gradient as described in, a 3d and 2d velocity profile corresponding to the figure above are shown in the figure to the right. | wikipedia |
85d6f7f8c4a0b32603e6dfc29a545236d0feb3a7 | f = ∇ s = a ^ x | f = ∇ s = a ^ x ∂ s ∂ x + a ^ y ∂ s ∂ y + a ^ z ∂ s ∂ z {\displaystyle f=\nabla s={\hat {a}}_{x}{\frac {\partial s}{\partial x}}+{\hat {a}}_{y}{\frac {\partial s}{\partial y}}+{\hat {a}}_{z}{\frac {\partial s}{\partial z}}} | wikipedia |
090888b17a486fa61f37e46bf1ed3aeb35d3a1d0 | knowing that a mixture will exhibit dielectric relaxation | knowing that a mixture will exhibit dielectric relaxation due to the mws effect, this additional measuring dimension can be exploited to decompose multiphase flows when at least one of the phases is conducting. the figure to the right shows the reconstructed images of the flow model, conducting phase, and non-conductin... | wikipedia |
ccbafe0435c99622044ea4729bf06482e69275a2 | where ε 1 ∗ {\displaystyle \varepsilon _{1}^{*}}, ε | where ε 1 ∗ {\displaystyle \varepsilon _{1}^{*}}, ε 2 ∗ {\displaystyle \varepsilon _{2}^{*}}, and ε ∗ {\displaystyle \varepsilon ^{*}} are the complex effective permittivity of the dispersed phase, continuous phase, and mixture, respectively. ϕ {\displaystyle \phi } is the volume fraction of the dispersed phase. | wikipedia |
60d9505df3ae143bfc5c0392fb79cff9b0776d06 | (ε 1 ∗ − ε 2 ∗ ε | (ε 1 ∗ − ε 2 ∗ ε 1 ∗ − ε ∗) 3 ε ∗ ε 2 ∗ = 1 (1 − ϕ) 3 {\displaystyle \left({\frac {\varepsilon _{1}^{*}-\varepsilon _{2}^{*}}{\varepsilon _{1}^{*}-\varepsilon ^{*}}}\right)^{3}{\frac {\varepsilon ^{*}}{\varepsilon _{2}^{*}}}={\frac {1}{(1-\phi)^{3}}}} | wikipedia |
a8100e805957d60c6bd94deadac545cf09d0b31f | multiphase flows are invariably complex. advanced measuring techniques | multiphase flows are invariably complex. advanced measuring techniques are required to monitor and quantify phase hold ups in such multiphase flows. due to their relatively fast speed of acquisition and non-intrusive characteristics, 2d and 3d ect are widely used in industries for flow monitoring. however, the flow dec... | wikipedia |
9886b222fa21d554ef15f459fbe2a87e57e73b02 | displacement-current phase tomography is an imaging modality that | displacement-current phase tomography is an imaging modality that relies on the same hardware as ect. 3d ect does not make use of the real part (conductance component) of the obtained mutual admittance measurements. this component of the measurement is related with the material losses in the region of interest (conduct... | wikipedia |
69e62a4eb54e83cca195c57902b7bf75908f0112 | reconstruction methods address the inverse problem of 3d | reconstruction methods address the inverse problem of 3d ect imaging, i.e. to determine the volumetric permittivity distribution form the mutual capacitance measurements. traditionally, the inverse problem is handled through the linearization of the (nonlinear) relationship between the capacitance and the material perm... | wikipedia |
7cf89fc0cb7cd21ea0ad4980eb1eb5b36bd755b7 | the design of the electrodes is also dictated | the design of the electrodes is also dictated by the shape of the domain under investigation. some domains can be relatively simple geometries (cylindrical, rectangular prism, etc.) where symmetrical electrode placement can be used. however, complex geometries (corner joints, t-shaped domains, etc.) require specially d... | wikipedia |
e07a8b3638b7e43c7859acc957d58fc0e6af27fe | this process is repeated for all possible electrode | this process is repeated for all possible electrode pairs. note that reversing the roles of tx and rx electrodes would result in the same mutual capacitance due to the reciprocity. as a result, for 3d ect systems with n number of plates, the number of independent measurement is equal to n(n-1)/2. this process is typica... | wikipedia |
c7b779d983b6374555abaa6d87ef09381f4879c4 | the hardware of 3d ect systems consists of | the hardware of 3d ect systems consists of sensing electrode plates, the data acquisition circuitry, and the computer to control the overall system and process the data. ect is a non-intrusive and non-invasive imaging modality due to its contactless operation. prior to the actual measurements, a calibration and normali... | wikipedia |
c0a0c2faf4e79b190d9b2bcc35a2b17d691d101d | soft-field tomography refers to a set of imaging | soft-field tomography refers to a set of imaging modalities such as electrical capacitance tomography (ect), electrical impedance tomography (eit), electrical resistivity tomography (ert), etc., wherein electric (or magnetic) field lines undergo changes in the presence of a perturbation in the medium. this is in contra... | wikipedia |
f2cb1ad478d14517992fddc02d37ec1abf53957f | where e 2 {\displaystyle e^{2}} is the square | where e 2 {\displaystyle e^{2}} is the square magnitude of the electric field. the capacitance changes as a nonlinear function of the dielectric permittivity ε {\displaystyle \varepsilon } because the electric field distribution in the above integral is also a function of ε {\displaystyle \varepsilon }. | wikipedia |
b7fc60ee208920bcb30bf3143c44a7ab3b7a0b23 | w = 1 2 ∫ ε e 2 | w = 1 2 ∫ ε e 2 d v = 1 2 c v 2 {\displaystyle w={\frac {1}{2}}\int _{}^{}\varepsilon e^{2}\,dv={\frac {1}{2}}cv^{2}} | wikipedia |
f123c257d22bf57bda358364925adcccea635cd3 | where φ {\displaystyle \varphi } denotes the electric | where φ {\displaystyle \varphi } denotes the electric potential distribution. in a homogeneous medium with uniform ε {\displaystyle \varepsilon }, this equation reduces to the laplace equation. in a lossy medium with finite conductivity, such as water, the field obeys the generalized ampere equation, | wikipedia |
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