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091f1242d65d2140e60650ee0c714e8e34d61bc2 | bolsheokhtinsky bridge is a bridge across the neva | bolsheokhtinsky bridge is a bridge across the neva river in saint petersburg, russia. the bridge's length is 334 meters, the width is 23 meters. the bridge features three spans; the central one can be drawn. | wikipedia |
f16eeb00e751322dbf6f7479e3247ca702bb7fc4 | the city rumor has it that one of | the city rumor has it that one of the clenches in the bridge is made from pure gold, and colored to be the same color as the rest of clenches. unfortunately it is virtually impossible to verify, since the bridge has more than one million clenches. | wikipedia |
8c1ffef4f690f43aec7b1377771b95b402a24da3 | the bridge was open for traffic on october | the bridge was open for traffic on october 26, 1911. in 1956 the bridge was renamed bolsheokhtinsky after the big okhta river, but in 2004 the original name was partially restored, although the title of emperor was dropped from the name. today people call this bridge both peter the great bridge and bolsheokhtinsky brid... | wikipedia |
44f89e6e700bb606d1217f25a452681735686554 | as the result, the bridge itself was manufactured | as the result, the bridge itself was manufactured in warsaw (firma braci ruckich - rucki bros. metalworks in warsaw), and components were transported to the construction site and assembled. this is described by the bronze plaque (120 cm by 180 cm) that can be seen from the pedestrian walkway on the right pylon if cross... | wikipedia |
a6e8f361cc654c6d388650ad2a60e36b7a28e7da | in spring of 1907, the passenger ship arkhangelk | in spring of 1907, the passenger ship arkhangelk which transported people from the left bank of neva to the right bank sank. this tragic event set things in motion, and on september 24, 1907 the contract for building the bridge was signed. the ceremony of bridge founding took place on june 26, 1909, exactly two hundred... | wikipedia |
7abab4f0b6b063a981a5a85566875e921106c4bc | next time the possibility of building a bridge | next time the possibility of building a bridge was raised in 1860-th, when the emperor approved the decision to join the okhta district to saint petersburg. the city duma organized international contest. there were total of 16 projects submitted including projects from france, germany, austria, spain and united states.... | wikipedia |
3323f2e698356ba0a3af58566f3b7fcf1b0410e9 | the initial idea to build a bridge near | the initial idea to build a bridge near the okhta river was circulated in 1829. even before the saint petersburg was founded, there were settlements in the okhta region, and with the growth of the city, it quickly grew to become big industrial center. powder factories and shipyards existed here. however, in the 19th ce... | wikipedia |
7fce94227f09f970f1463fc5073bc14e1352751b | bolsheokhtinsky bridge (russian: Большеохтинский мост, before 1917 - | bolsheokhtinsky bridge (russian: Большеохтинский мост, before 1917 - peter the great bridge, russian: Мост Петра́ Вели́кого, most petra velikogo; from 1917 to 1956 - bolsheokhtensky bridge, russian: Большеохтенский мост; also known as okhtinsky bridge, russian: Охтинский мост) is a bridge across the neva river in saint... | wikipedia |
4ea2d059c9c470e02e3198da69b0c815d84ae750 | michaelsen joined libreoffice in 2011 and became an | michaelsen joined libreoffice in 2011 and became an appointed member of the engineering steering committee from the beginning, was in the initial set of certified libreoffice developers and championed multiple initiatives of the libreoffice project, including the migration to a new improved build system. he is a member... | wikipedia |
a0b9355f434f2901282632840a6a76959773a7eb | björn michaelsen is currently employed by freiheit.com, a | björn michaelsen is currently employed by freiheit.com, a german software company. previously he was working for canonical ltd. where he was responsible for the packaging and development of libreoffice for ubuntu and was welcomed as someone having "a deep expertise on the libreoffice core". coming fromoracle (and befor... | wikipedia |
5af0529d565e33644ffba384d24efc7180f33ba2 | björn michaelsen studied physics at the university of | björn michaelsen studied physics at the university of hamburg and worked in the area of arms control and peace studies at the institute for peace research and security policy in hamburg, published his results there before becoming involved in open source and software development. | wikipedia |
a85fe98bc8d4225c7e943d94a62477a836c75027 | blarcamesine is an experimental drug developed by anavex | blarcamesine is an experimental drug developed by anavex life sciences. it is in phase iib/phase iii trials for alzheimer's disease and rett syndrome, phase iia trials for parkinson's disease, phase i trials for epilepsy, and in preclinical trials for amyotrophic lateral sclerosis and stroke. blarcamesine acts as a ago... | wikipedia |
ed8f62059fbc14eb418c60a8e808e3ef9abe7c17 | sigma1 activation appears to be only involved in | sigma1 activation appears to be only involved in long-term memory processes. this partly explains why blarcamesine seems to be more effective in reversing scopolamine-induced long-term memory problems compared to short-term memory deficits. the sigma-1 receptor is located on mitochondria -associated endoplasmic reticul... | wikipedia |
9ceb7ff9d6a9b1fd9a25d7c8f1c8e779f2920332 | blarcamesine was originally tested in mice against the | blarcamesine was originally tested in mice against the effect of the muscarinic receptor antagonist scopolamine, which induces learning impairment. m1 receptor agonists are known to reverse the amnesia caused by scopolamine. scopolamine is used in the treatment of parkinson's disease and motion sickness by reducing the... | wikipedia |
ccbc1f2f2256aff2bbedc42c774c7b550987592c | blarcamesine may function as a pro-drug for anavex19-144 | blarcamesine may function as a pro-drug for anavex19-144 as well as a drug itself. anavex19-144 is a positional isomer of anavex 1-41, which is similar to blarcamesine but it is not as selective for sigma receptor. | wikipedia |
e30eef4d9a40be13aa50ffa86faba027bf408c65 | in trials for alzheimer's disease, anavex life sciences | in trials for alzheimer's disease, anavex life sciences reported that in patients with a fully functional sigmar1 gene, which encodes the sigma-1 receptor targeted by blarcamesine, the drug improved cognition as measured by the mini-mental state examination by 14% after 70 weeks of treatment. competence in activities o... | wikipedia |
2af40cf31204d8c89ae594d84845e40029c59c39 | it is in phase iib / phase iii | it is in phase iib / phase iii trials for alzheimer's disease and rett syndrome, phase iia trials for parkinson's disease, phase i trials for epilepsy, and in preclinical trials for amyotrophic lateral sclerosis and stroke. blarcamesine acts as a agonist at the human sigmar1 and chrm1 receptors. | wikipedia |
3381b9abc48e4af53754e3097bd8fc8974908809 | bothwell anesu mbuwayesango is a zimbabwean pediatric surgeon | bothwell anesu mbuwayesango is a zimbabwean pediatric surgeon who successfully led an all zimbabwean team that separated conjoined twins in 2014 during an eight-hour operation at harare hospital; it was the country's second successful separation, the first was in 1985. the two-month-old male twins were joined at the ch... | wikipedia |
ae93ca65b3248e2145b73246d0ebed616764955d | bothwell anesu mbuwayesango is a zimbabwean pediatric surgeon | bothwell anesu mbuwayesango is a zimbabwean pediatric surgeon who successfully led an all zimbabwean team that separated conjoined twins in 2014 during an eight-hour operation at harare hospital; it was the country's second successful separation, the first was in 1985. the two-month-old male twins were joined at the ch... | wikipedia |
e80eaedf7850b3791d4c2f8eb2caf7a87494de0d | after his retirement as a player, bell went | after his retirement as a player, bell went on to become an nhl referee. at the end of game 4 of the 1927 stanley cup finals, bell was tackled by boston bruins defenseman billy coutu. coutu also went after bell's referee colleague jerry laflamme and was subsequently banned from the league for life. | wikipedia |
0768e627a2de9a371c6a98f64cf5267f90a88425 | the 1918 los angeles angels season was the | the 1918 los angeles angels season was the 16th season for the los angeles angels playing in the pacific coast league (pcl). the pcl season ended early on july 14 due to wartime travel restrictions and the spanish flu pandemic. when the season was suspended, the angels were in second place with a 57–47 record. a postse... | wikipedia |
33cd9fbe128d2bcdede8f3b70e730cd5853bb3cf | a postseason series was held between the angels | a postseason series was held between the angels and the first-place vernon tigers. the angels won the championship series by five games to two, winning the final game on july 22, 1918, at washington park. right fielder sam crawford and shortstop zeb terry led the angels in the championship series with nine hits each. t... | wikipedia |
8cf407047f899b058e03ba9096f54068479583c8 | the 1918 los angeles angels season was the | the 1918 los angeles angels season was the 16th season for the los angeles angels playing in the pacific coast league (pcl). the pcl season ended early on july 14 due to wartime travel restrictions and the spanish flu pandemic. when the season was suspended, the angels were in second place with a 57–47 record. | wikipedia |
215498d6bac88ea00d7c084cbca8d638a64925c5 | bowing in japan is the act of lowering | bowing in japan is the act of lowering one's head or the upper part of the torso, commonly used as a sign of salutation, reverence, apology or gratitude in social or religious situations. historically, ojigi was closely affiliated with the samurai. the rise of the warrior class in the kamakura period (1185–1333) led to... | wikipedia |
1a7d49b59753fc7f46719de756bc01a33355ff35 | bowing in japan is the act of lowering | only at the waist and keep one's back completely straight during the bowing gesture. failure to do so is often thought of as an indication of lethargy, insincerity and even disrespect. different sub-categories of ojigi vary mainly in the angles of inclination of one's body and the positions of one's hands, which are d... | wikipedia |
0159e9cb9c791dc3b71997ff962ea945f9a74bce | additionally, in a tea ceremony, guests often bring | additionally, in a tea ceremony, guests often bring with them a traditional japanese fan (お扇子, o-sensu), which they will place horizontally on the floor in front of them before performing the formal and semi-formal zarei gestures. | wikipedia |
71e4286ecf37094d4e2e0276ce118a3503275925 | the formal shin -style zarei is characterized by | the formal shin -style zarei is characterized by a 45° inclination of the upper body. in the bowing position, both hands should be fully rested on the floor in a triangle pattern with the tips of the index fingers touching each other. the semi-formal gyō -style zarei involves a 30° inclination of the upper body. unlike... | wikipedia |
5ef62d771169bb9ee4ca0143ab2435366f6e088a | ojigi in japanese tea ceremony is mainly done | ojigi in japanese tea ceremony is mainly done in the zarei fashion, which can be similarly classified into three types based on the degree of formality of the gesture: shin, gyō, and sō (真行草). although largely derivative from the samurai etiquette of the edo period, contemporary zarei in tea ceremony is somewhat differ... | wikipedia |
49d3afa297e1939b046b05daf726dddd72ff821f | before going into the tea room, each guest | before going into the tea room, each guest should individually perform a formal bow to the space itself in respect to its profound spirituality. upon entering, prior to the official start of the ceremony, the guests can take their time to admire the ornaments in the tokonoma and the utensils of the tea preparation stat... | wikipedia |
a7398273089053f844189c04800f824cdde4f5ae | a regular tea ceremony usually consists of less | a regular tea ceremony usually consists of less than five guests, whose ranks, sitting positions and duties during the ceremony will be decided beforehand. a guest of honor (主客, shukyaku) will be chosen, who will always be the first one served and engage in most of the ceremonial conversations with the host (亭主, teishu... | wikipedia |
22055770b56acdbc7b139ce366403d25da3d8ed5 | the tea ceremony (茶道, sadō) is a traditional | the tea ceremony (茶道, sadō) is a traditional art form in japan featuring the ritualistic preparation and consumption of powdered green tea along with matching japanese desserts. every single element of the experience, from the calligraphy on the walls to the decorations of the utensils, is carefully tailored according ... | wikipedia |
52ece09e25de0a1617136794e28a8adda0cd8c07 | first of all, immediate relatives of the deceased | first of all, immediate relatives of the deceased will perform a formal bow to the buddhist monks, who are hired to chant the religious sutra, and all the other guests to thank them for their attendance. then, they will one by one walk up to the incense burning station (焼香台, shōkō-dai) near the coffin to pay respect an... | wikipedia |
70dee0adf3bd4735eaea02ae9030aeedf4c89c46 | in a traditional buddhist funeral in japan, it | in a traditional buddhist funeral in japan, it is customary for the guests to mourn the deceased by burning powdered incense (お焼香, o-shōkō), once during the wake (通夜, tsuya) and later again during the farewell ceremony (告別式, kokubetsu-shiki). although different variations of the ritual exist, the version involving rits... | wikipedia |
23e39f529eea950688b07af2156926703e94be2c | when they approach the main temple building, it | when they approach the main temple building, it is considered respectful to perform another eshaku towards the altar as an introduction. next, most worshipers will throw some japanese coins into the offertory box (賽銭箱, saisen-bako) and ring the bell above the entrance for blessings. in the main praying process, worship... | wikipedia |
a633e06269694f2cb5c2253ee4e6f37489f46bc6 | first of all, upon arrival at the shrine, | first of all, upon arrival at the shrine, it is proper for worshipers to perform a slight eshaku towards the main temple building as they cross the torii, which is believed to be the sacred gateway between the mundane world and the realm of the gods. the same procedure applies when they are leaving the temple complex. | wikipedia |
b8bf00680792afe1a455920ed5ffb285f1651447 | like the religion itself, the etiquette of praying | like the religion itself, the etiquette of praying in shintoism has gone through dramatic changes over the centuries. in modern-day japan, worshipers at a shinto shrine generally follow the so-called two bows, two claps, one bow procedure (二礼二拍手一礼). | wikipedia |
9a6725e99db81763ba13fe8c89c65a9ae61346f4 | first of all, kendo practitioners bow to the | first of all, kendo practitioners bow to the dojo whenever they enter and leave the building, as it is considered a sacred space in martial arts practice. upon arrival, the disciples will bow to their teachers and seniors as greetings, starting with the highest-ranking member. at the beginning and end of a match, oppon... | wikipedia |
c2cbb0b134556946c5ca70a1d8649f986143c1fa | kendo, like many other forms of martial arts | kendo, like many other forms of martial arts in japan, takes great pride in its samurai traditions. the kendo saying "begins with etiquette and ends with etiquette" (礼に始まり、礼に終わる, rei ni hajimari, rei ni owaru) helps to illustrate the importance of civility and sportsmanship in its practice. ojigi is especially an essen... | wikipedia |
24e85ca261652b3c7f98bf7456fa90bcc353e372 | senrei (浅礼, the sō style) is the most | senrei (浅礼, the sō style) is the most casual type of zarei in everyday life, used mainly as greetings in informal situations. it is characterized by a relatively slight inclination (roughly 30°) of the upper torso. during the lowering movement, one's hands should slide naturally along one's thighs to the knees. in the ... | wikipedia |
d1e5549a481902af58eb889e71a1df76d1db01cc | futsūrei (普通礼, the gyō style) is the most | futsūrei (普通礼, the gyō style) is the most commonly used variation of zarei in formal situations and most traditional activities. to perform a futsūrei, one should lower one's upper body until one's face is roughly 30 cm away from the floor. in the meantime, one's hands should move in a similar fashion as saikeirei, aga... | wikipedia |
a23e508e48a7e6175186eda672aa8b4d404ec005 | saikeirei (the shin style) is the most formal | saikeirei (the shin style) is the most formal and reverent of the three types. starting from seiza position, the person is expected to lower his upper body all the way until his chest presses against his lap. in the process, his hands should slide forward along his thighs until they are on the floor roughly 7 cm away f... | wikipedia |
dcc7267782dee0ab711e7e8f5735559ac4cddbfb | as with standing bows, zarei, as well as | as with standing bows, zarei, as well as many other domains of japanese culture like ikebana and garden design, can be classified into three main styles based on the doctrines of japanese calligraphy: shin (真), the most formal style, gyō (行) the intermediate style, and sō (草), the most casual style. | wikipedia |
ef90a72e171bbb77a08666837979e9a199169085 | zarei is a bowing etiquette unique to east | zarei is a bowing etiquette unique to east asia, which involves bending one's upper body at kneeling, or seiza, position on traditional japanese style tatami floors. with the westernization of indoor decoration and lifestyles, zarei is becoming less and less commonly practiced in the daily lives of japanese people. som... | wikipedia |
11d7ee67cdb75f09cc62a82e0969242764d8f349 | finally, saikeirei (最敬礼), which literally means "the most | finally, saikeirei (最敬礼), which literally means "the most respectful gesture", is, as the name suggests, the ojigi that shows the uttermost respect towards the other party. it is mostly used when greeting very important personnel, apologizing or asking for big favors. saikeirei is characterized by an even deeper inclin... | wikipedia |
44e30f03cb77ddb55dbd6de319696f6e7832ecbf | the second type, keirei (敬礼), is the most | the second type, keirei (敬礼), is the most commonly used variation of ojigi in japanese business. it gives a more formal and respectful impression than eshaku, but less than saikeirei, the final type of ojigi. conventionally, keirei is performed with an inclination of about 30° of the upper body. at the bowing position,... | wikipedia |
86139c08be8907f2e6cddc947a39156d48a42c99 | eshaku (会釈) is generally performed with a slight | eshaku (会釈) is generally performed with a slight inclination of about 15° of one's upper torso. at the bowing position, one's eyes should glance at the floor roughly three meters in front of one's feet. it is a very casual form of greeting in business, usually performed between colleagues with the same status, or when ... | wikipedia |
7fedee9a2579667cfbca4938f70cd0f5be51a1e5 | eshaku, keirei and saikeirei are the three typical | eshaku, keirei and saikeirei are the three typical categories of ojigi practiced in the business world in japan. no matter which type is chosen, it is important to pay constant attention to one's muscles and posture. in particular, one's back should be kept straight and the body below the waist should stay still and ve... | wikipedia |
e3ff245750de21e1256aabdbce0acde5cc4b732e | customs and manners in japanese business are reputed | customs and manners in japanese business are reputed to be some of the most complicated and daunting in the world, especially to a foreign person who is not familiar with the japanese ideology of ranks and traditions. failure to perform the right type of ojigi for the other person's status is considered a workplace fau... | wikipedia |
46daec2a2d5ac94e648c6c533d45e1bb4ee41ef6 | the establishment of the third and final feudal | the establishment of the third and final feudal military government in the edo period (1603–1868) brought peace and prosperity back to the islands, resulting in the second blooming of samurai etiquette in japan. classic customs of the ogasawara school were revitalized and new schools of disciplines, such as the kira sc... | wikipedia |
a47c08fa31ffb1a7405e87b4dc15418be9d67d3e | in the subsequent muromachi period (1336–1573), systematically written | in the subsequent muromachi period (1336–1573), systematically written manuals on different sects of samurai etiquette, such as the ise school (伊勢流, ise-ryū) and ogasawara school (小笠原流, ogasawara-ryū), were developed to strengthen and promote the cultural identity of the warrior class. these were often considered the f... | wikipedia |
b45da0859187985c5e0e98a77543111a6911e4fc | in the kamakura period (1185–1333), with the appearance | in the kamakura period (1185–1333), with the appearance of the first feudal military government, the warrior class, or samurai, started playing a more prominent role in japanese history. the principles and concepts of the warrior class began to shape the cultural standards of the society. ojigi, along with other forms ... | wikipedia |
a392e9e09770784c13fb388162847c1bedf0093f | while there are few official records on how | while there are few official records on how the etiquette of bowing originated in japan, it is widely believed that it traces its roots back to the propagation of buddhism to japan from the kingdoms of ancient china between the 5th and 8th centuries. in buddhist teachings, bowing is an important gesture of piety and re... | wikipedia |
a6762309b5172bb50fc12c3f3fa0b1c0f747e2fa | generally speaking, ojigi in japan can be coarsely | generally speaking, ojigi in japan can be coarsely divided into two categories: zarei (座礼), bowing while kneeling, and ritsurei (立礼), bowing while standing. in either case, it is considered essential to bend one's body only at the waist and keep one's back completely straight during the bowing gesture. failure to do so... | wikipedia |
2d9c931090b1e2bb46ad3cb9f63293b14c8cdfb1 | in modern-day japan, bowing is a fundamental part | in modern-day japan, bowing is a fundamental part of social etiquette which is both derivative and representative of japanese culture, emphasizing respect and social ranks. from everyday greetings to business meetings to funerals, ojigi is ubiquitous in japanese society and the ability to bow correctly and elegantly is... | wikipedia |
a4cd8a843ee3438d806a4a6797b484ac825d8427 | historically, ojigi was closely affiliated with the samurai. | historically, ojigi was closely affiliated with the samurai. the rise of the warrior class in the kamakura period (1185–1333) led to the formations of many well-disciplined manuals on warrior etiquette, which contained instructions on proper ways to bow for the samurai. the japanese word お辞儀 (ojigi) was derived from th... | wikipedia |
eb28086cb895e3c3f23b0f305ca063c0b5927b23 | bowing in japan (お辞儀, ojigi) is the act | bowing in japan (お辞儀, ojigi) is the act of lowering one's head or the upper part of the torso, commonly used as a sign of salutation, reverence, apology or gratitude in social or religious situations. | wikipedia |
48c6e8b7c94c71434f6a41a1486fcfcbfd75fdf6 | buildout is an open-source software build tool. buildout | buildout is an open-source software build tool. buildout is created using the python programming language. it implements a principle of separation of configuration from the scripts that do the setting up.buildout is primarily used to download and set up dependencies in python eggs format of the software being developed... | wikipedia |
e2dce46728588954be28d4b662c24f7d377704e3 | in enzymology, an arginine—trna ligase is an enzyme | in enzymology, an arginine—trna ligase is an enzyme that catalyzes the chemical reaction the 3 substrates of this enzyme are atp, l-arginine, and trna(arg), whereas its 3 products are amp, diphosphate, and l-arginyl-trna(arg). this enzyme belongs to the family of ligases, to be specific those forming carbon-oxygen bond... | wikipedia |
8183e4d47bc8f1d50b4c21e40a235a0adbfc7313 | it contains a conserved domain at the n | it contains a conserved domain at the n terminus called arginyl trna synthetase n terminal domain or additional domain 1 (add-1). this domain is about 140 residues long and it has been suggested that it is involved in trna recognition. | wikipedia |
3d887f4626641729c7fe591e0380117befe807e7 | this enzyme belongs to the family of ligases, | this enzyme belongs to the family of ligases, to be specific those forming carbon-oxygen bonds in aminoacyl-trna and related compounds. the systematic name of this enzyme class is l-arginine:trnaarg ligase (amp-forming). other names in common use include arginyl-trna synthetase, arginyl-transfer ribonucleate synthetase... | wikipedia |
8f2b0ff9508102e1017d88aee589f576ddc57752 | the 1987 cork intermediate hurling championship was the | the 1987 cork intermediate hurling championship was the 78th staging of the cork intermediate hurling championship since its establishment by the cork county board in 1909. the draw for the opening round fixtures took place on 21 december 1986. the championship ran from 6 june to 8 november 1987. on 8 november 1987, er... | wikipedia |
1be83415cfdcb36df86f4fa4a130f78c0820a3d0 | on 8 november 1987, erin's own won the | on 8 november 1987, erin's own won the championship following a 1-06 to 0-08 defeat of mallow in the final at bride rovers park. this was their second championship title overall and their first title since 1984. | wikipedia |
db39cbef4a96f2a18f1c0711944b1203670b3057 | the 1987 cork intermediate hurling championship was the | the 1987 cork intermediate hurling championship was the 78th staging of the cork intermediate hurling championship since its establishment by the cork county board in 1909. the draw for the opening round fixtures took place on 21 december 1986. the championship ran from 6 june to 8 november 1987. | wikipedia |
f14d623fb25ce622c54ab849436105b0db9b903b | for the fourth straight year harvard finished undefeated, | for the fourth straight year harvard finished undefeated, claiming the intercollegiate title. while their winning streak came to an end at 30 their intercollegiate winning streak was continued at 20 games. harvard entered the game against yale with both teams undefeated in conference play. harvard scored 3 times in the... | wikipedia |
d04df1f87cba00ac982149baa174bf21186191c2 | in mathematics, a bivector is the vector part | in mathematics, a bivector is the vector part of a biquaternion. for biquaternion q = w + xi + yj + zk, w is called the biscalar and xi + yj + zk is its bivector part. the coordinates w, x, y, z are complex numbers with imaginary unit h: a bivector may be written as the sum of real and imaginary parts: where r 1 = x 1 ... | wikipedia |
c179ddd5bf5ed3dc5a76bc5064d780858fbc1be2 | thus the bivector q = x i + | thus the bivector q = x i + y j + z k = r 1 + h r 2 . the lie algebra of the lorentz group is expressed by bivectors. in particular, if r1 and r2 are right versors so that r 1 2 = − 1 = r 2 2 , then the biquaternion curve {exp θr1 : θ ∈ r} traces over and over the unit circle in the plane {x + yr1 : x, y ∈ r}. such a c... | wikipedia |
238082a2eba3cc62dc7cdf2b28f21820763d3c47 | as shaw wrote in 1970: william rowan hamilton | as shaw wrote in 1970: william rowan hamilton coined both the terms vector and bivector. the first term was named with quaternions, and the second about a decade later, as in lectures on quaternions (1853). the popular text vector analysis (1901) used the term. given a bivector r = r1 + hr2, the ellipse for which r1 an... | wikipedia |
ac24e49a7d5f82ea070e78f1cf6fb4b19b58bb5c | william rowan hamilton coined both the terms vector | william rowan hamilton coined both the terms vector and bivector. the first term was named with quaternions, and the second about a decade later, as in lectures on quaternions (1853). the popular text vector analysis (1901) used the term. | wikipedia |
cccd28fb3b3fc1feb4b1e2a08bdbcd1b2e91056b | now (h r) = (− 1)(− 1) = | now (h r) = (− 1)(− 1) = +1, and the biquaternion curve {exp θ (h r) : θ ∈ r } is a unit hyperbola in the plane { x + yr : x, y ∈ r }. the spacetime transformations in the lorentz group that lead to fitzgerald contractions and time dilation depend on a hyperbolic angle parameter. in the words of ronald shaw, "bivectors... | wikipedia |
901dc4f7dca445cda18ce83e348e06a5eff1a045 | the lie algebra of the lorentz group is | the lie algebra of the lorentz group is expressed by bivectors. in particular, if r and r are right versors so that r 1 2 = − 1 = r 2 2 {\displaystyle r_{1}^{2}=-1=r_{2}^{2}}, then the biquaternion curve {exp θ r : θ ∈ r } traces over and over the unit circle in the plane { x + yr : x, y ∈ r }. such a circle correspond... | wikipedia |
c28f7aa8b4344808e88fa9c000cd4caa1b608bc7 | where r 1 = x 1 i + | where r 1 = x 1 i + y 1 j + z 1 k {\displaystyle r_{1}=x_{1}\mathrm {i} +y_{1}\mathrm {j} +z_{1}\mathrm {k} } and r 2 = x 2 i + y 2 j + z 2 k {\displaystyle r_{2}=x_{2}\mathrm {i} +y_{2}\mathrm {j} +z_{2}\mathrm {k} } are vectors.thus the bivector q = x i + y j + z k = r 1 + h r 2. {\displaystyle q=x\mathrm {i} +y\math... | wikipedia |
f192c6ee5e3efd1aa3b0dbf8665e62e47d7da1cb | in mathematics, a bivector is the vector part | in mathematics, a bivector is the vector part of a biquaternion. for biquaternion q = w + x i + y j + z k, w is called the biscalar and x i + y j + z k is its bivector part. the coordinates w, x, y, z are complex numbers with imaginary unit h: | wikipedia |
954b1321f1af738b07b40bab94586b1a556274f2 | hans-adalbert rürup is a german economist and former | hans-adalbert rürup is a german economist and former chairman of the german council of economic experts. he was formerly a professor of economics at the darmstadt university of technology. from 2010 to 2012, he was president of the international school of management in dortmund. in 2013 he changed into the ism's board ... | wikipedia |
93a1b8b2b6a6e7ee59493fde50e5e7000357eabc | hans-adalbert rürup (born 7 november 1943) is a | hans-adalbert rürup (born 7 november 1943) is a german economist and former chairman of the german council of economic experts. he was formerly a professor of economics at the darmstadt university of technology. from 2010 to 2012, he was president of the international school of management in dortmund. in 2013 he change... | wikipedia |
bd283590153dbdafc9519e7c2e6fd8c4fb25f446 | (529366) 2009 wm1, provisional designation 2009 wm1, is | (529366) 2009 wm1, provisional designation 2009 wm1, is a sub-kilometer asteroid and near-earth object of the apollo group, approximately 280 meters in diameter. after its discovery by the catalina sky survey at the catalina station in arizona, united states, this potentially hazardous asteroid was briefly listed at a ... | wikipedia |
c7c79c5c55bad5d4497c772e37fc84ead0b400ed | the 21 may 2014 earth close approach of | the 21 may 2014 earth close approach of 0.3622 au (54,180,000 km; 33,670,000 mi) should allow a refinement to the orbit. from 7 may 2014 until 2 june 2014 the asteroid will be brighter than apparent magnitude 20. the asteroid will come to opposition on 18 may 2014 when it will be up all night. | wikipedia |
8a748a52936a53de5e7bed8dccbd3021949653c9 | on 23 november 2059, 2009 wm will pass | on 23 november 2059, 2009 wm will pass 0.0046 au (690,000 km; 430,000 mi) from earth. on 23 november 2199, it will make another close approach at a distance of 0.0005 au (75,000 km; 46,000 mi) to 0.069 au, but since it is a close approach and the exact distance in uncertain, future close approaches after 2199 are uncer... | wikipedia |
6fd6c8ab2a456279a642cb53e1ad3539505d7550 | 2009 wm orbits the sun at a distance | 2009 wm orbits the sun at a distance of 0.98–1.38 au once every 15 months (468 days; semi-major axis of 1.18 au). its orbit has an eccentricity of 0.17 and an inclination of 26 ° with respect to the ecliptic. | wikipedia |
2ea5f2bd1fd715285ede89baedd9e79ae48e9abe | (529366) 2009 wm, provisional designation 2009 wm, is | (529366) 2009 wm, provisional designation 2009 wm, is a sub-kilometer asteroid and near-earth object of the apollo group, approximately 280 meters (920 feet) in diameter. after its discovery by the catalina sky survey at the catalina station in arizona, united states, this potentially hazardous asteroid was briefly lis... | wikipedia |
25e2a493644e53e9adc76cacdfd364043453a726 | 1094 siberia is an eunomian asteroid from the | 1094 siberia is an eunomian asteroid from the central regions of the asteroid belt. it was discovered on 12 february 1926, by soviet astronomer sergey belyavsky at the simeiz observatory on the crimean peninsula. the x-type asteroid (xk) has a rotation period of 21.2 hours and measures approximately 18 kilometers in di... | wikipedia |
c4383f7b072643381606cab662fecec350ad4971 | according to the surveys carried out by the | according to the surveys carried out by the infrared astronomical satellite iras, the japanese akari satellite and the neowise mission of nasa's wide-field infrared survey explorer, siberia measures between 17.08 and 18.79 kilometers in diameter and its surface has an albedo between 0.089 and 0.127. | wikipedia |
fea412aa0e94004147ad3215eb529bd0b74ae562 | in december 2006, a first rotational lightcurve of | in december 2006, a first rotational lightcurve of siberia was obtained from photometric observations by astronomers from new zealand and australia. lightcurve analysis gave a rotation period of 21.15 hours with a brightness amplitude of 0.45 magnitude, indicating a non-spherical shape (u=2). while not being a slow rot... | wikipedia |
475b98a9c3dad0026ae490cfd445a4de26233eeb | in the smass classification, siberia is a xk-subtype, | in the smass classification, siberia is a xk-subtype, that transitions from the x-type to the k-type asteroids, while the overall spectral type of the eunomia family is that of a stony s-type asteroid. it is also an assumed x-type. | wikipedia |
1a040fe03a5f85e4d095270387518e48cf9b6d64 | this minor planet was named after the vast | this minor planet was named after the vast geographic region of siberia in north asia, approximately 13.1 million square kilometres (5,100,000 sq mi) in area. the official naming citation was mentioned in the names of the minor planets by paul herget in 1955 (h 103). | wikipedia |
215d903251806573371eabe9811ab818a5a26d84 | the asteroid was first identified as a918 ej | the asteroid was first identified as a918 ej at heidelberg or simeiz in march 1918. the body's observation arc begins at heidelberg in june 1935, more than 9 years after its official discovery observation at simeiz. | wikipedia |
8e34124a6d1022f1b35a05ce55671d96d7f1bbfa | siberia is a member of the eunomia family | siberia is a member of the eunomia family (502), a prominent family of stony asteroids and the largest one in the intermediate main belt with more than 5,000 members. it orbits the sun in the central main-belt at a distance of 2.2–2.9 au once every 4 years and 1 month (1,483 days). its orbit has an eccentricity of 0.13... | wikipedia |
c1f37bde3b6871e66363c58e30f7f6dfbcfcbacc | 1094 siberia (prov. designation: 1926 cb) is an | 1094 siberia (prov. designation: 1926 cb) is an eunomian asteroid from the central regions of the asteroid belt. it was discovered on 12 february 1926, by soviet astronomer sergey belyavsky at the simeiz observatory on the crimean peninsula. the x-type asteroid (xk) has a rotation period of 21.2 hours and measures appr... | wikipedia |
78822c5d720658834f1428557d81ed8282dc697f | the 1978–79 sporting de gijón season was the | the 1978–79 sporting de gijón season was the 19th season of the club in la liga, the second in a row since the last promotion. this was the best season in the club's history, after finishing the league as runner-up and making its debut in european competitions. | wikipedia |
78822c5d720658834f1428557d81ed8282dc697f | the 1978–79 sporting de gijón season was the | the 1978–79 sporting de gijón season was the 19th season of the club in la liga, the second in a row since the last promotion. this was the best season in the club's history, after finishing the league as runner-up and making its debut in european competitions. | wikipedia |
eaa771d2a9f456ef314c42eb5b0e7ea0dc40b2e6 | the 1992 tippeligaen was the 48th completed season | the 1992 tippeligaen was the 48th completed season of top division football in norway. each team played 22 games with 3 points given for wins and 1 for draws. number eleven and twelve are relegated. the winners of the two groups of the 1. divisjon are promoted, as well as the winner of a series of play-off matches betw... | wikipedia |
c3256ea75fc1ffef25988624d355fa5a7d56baad | the qualification play-off matches were contested between hamkam | the qualification play-off matches were contested between hamkam (10th in tippeligaen), drøbak-frogn (2nd in the first division - group a), and strømmen (2nd in the first division - group b). hamkam won one game and drew one and remained in tippeligaen. | wikipedia |
b7bd417faa5fc8845e66f0e92fd0c9c590d922ca | the 1992 tippeligaen was the 48th completed season | the 1992 tippeligaen was the 48th completed season of top division football in norway. each team played 22 games with 3 points given for wins and 1 for draws. number eleven and twelve are relegated. the winners of the two groups of the 1. divisjon are promoted, as well as the winner of a series of play-off matches betw... | wikipedia |
ee48e85b137fab16444e486cc65a963c511744d8 | in compounds with the antisymmetric form x=c=y, ir | in compounds with the antisymmetric form x=c=y, ir stretching bands are observed in the 1600–2300 cm region. however, the ir spectra of 1-phosphaallenes do not contain bands in this region, which suggests that the phosphaallene p=c=c is relatively symmetric. in the phosphaallene h2c=c=ph, stretching frequencies are obs... | wikipedia |
c70d81abeb47c49acd3a058e35687ff9de70c1e4 | the electronic structure of 1-phosphaallene is nearly identical | the electronic structure of 1-phosphaallene is nearly identical to that of phosphaalkene. the homo in both molecules is the π-orbital of the c=p bond, which is primarily p in character. the lumo in both structures, is also heavily localized over the c=p bond. however, the dipole moment in phosphaallenes is larger than ... | wikipedia |
6376a1d14be5afc373cd0259713f566ba8bfad2d | the crystal structure of another 1-phosphaallene rp=c=chr' (r= | the crystal structure of another 1-phosphaallene rp=c=chr' (r= mes*, r' = tbu) displays the same bent geometry with the p=c=c bond angle being reported as 170.7°. further, this compound also contains a short p=c bond length (1.634Å) and a short c=c bond length (1.136Å). | wikipedia |
a1564826c1e1f67c8980ef452f96ae4aa6abdf47 | the crystal structure also showed a bent geometry | the crystal structure also showed a bent geometry with the p=c=c bond angle at 168.0(3)°. this bent geometry is thought to be a result of both steric and electronic effects. one possible explanation for the observed bent geometry is the bonding model postulated by lappert et al. which described the bonding between p an... | wikipedia |
e775bb07dce52d9491aacf0f9d5cbbddf9b93917 | phosphaallenes are typically colorless or pale yellow in | phosphaallenes are typically colorless or pale yellow in color, and are often crystalline in structure; however, few crystal structures have been reported for this class of compounds. one compound, arp=c=cph2 (ar =mes) was synthesized and characterized by single crystal x-ray diffraction. this compound showed a relativ... | wikipedia |
2e91770a1e6f748d438aeaa20bbb16d24a2b81e4 | hydroboration is used as a method to reduce | hydroboration is used as a method to reduce unsaturated compounds, and has been used to reduce p-c double or triple bonds in phosphaalkenes and phosphaalkynes. hydroboration of the 3h-phosphaallene mes -p=c=c(h)-tbu with 1:1 molar ratio of phosphaallene to h b(sme) yielded a di(phosphaalkenyl)borane, and the reaction i... | wikipedia |
7af170219d309ce12eacf09e550652f0675511b1 | recently, two novel 1-benzodihydrophosphetes were synthesized by heating | recently, two novel 1-benzodihydrophosphetes were synthesized by heating 3h-phosphaallene mes p=c=c(h)r (r = tbu, ad) in toluene at 110 °c for 16-20h. the resulting 1- benzodihydrophosphetes were not stable unless coordinated to tungsten. the phosphorus-bound h of the product can be used in catalyst-free hydrophosphina... | wikipedia |
30e9a4cbea347f9e49077f19013d57b9ed9ac067 | decomposition of the 3h-phosphaallene occurs at room-temperature to | decomposition of the 3h-phosphaallene occurs at room-temperature to produce several products via p=c (head-to-tail) or c=c dimerization. one decomposition pathway results in an unusual tricyclic phosphine which can be selectively formed by irradiating a solution of the phosphaallene, ibu alh, and tripp(c≡ctbu) in n-hex... | wikipedia |
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