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260dbb7d6d53cf067e62dab5b39bdcf03ee4fa56 | in 2004, he was affiliated with the institute | in 2004, he was affiliated with the institute for molecular design at the university of houston, the w.m. keck center at rice university and the ph.d. program in structural and computational biology and molecular biophysics at baylor college of medicine. he is the author of over 200 peer-reviewed journal articles. | wikipedia |
eaed9112f668b722dbda733a25bbcf84bfd5a385 | he received his b.s. in chemistry and mathematics | he received his b.s. in chemistry and mathematics at the university of houston in december 1975, and his ph.d. in physical chemistry from the university of houston in may 1980. he was a postdoctoral fellow at the university of texas at austin (1980-1983) under the tutelage of dr. peter j. rossky and then at harvard uni... | wikipedia |
43cdd3e0c162127f3c7a110a153f9403a863c87f | b. montgomery "monte" pettitt is the director of | b. montgomery "monte" pettitt is the director of the sealy center for structural biology and molecular biophysics at university of texas medical branch in galveston, texas, holder of the robert a. welch distinguished chair in chemistry, and tenured professor in the department of biochemistry and molecular biology, as w... | wikipedia |
4506d63877f9d05ee725776b02088805b3c3f965 | a light shelf is a horizontal surface that | a light shelf is a horizontal surface that reflects daylight deep into a building. light shelves are placed above eye-level and have high-reflectance upper surfaces, which reflect daylight onto the ceiling and deeper into the space. light shelves are typically used in high-rise and low-rise office buildings, as well as... | wikipedia |
f69f10c934341a92691d1bd700b1920c7c07dddb | the fact that light shelves extend a fair | the fact that light shelves extend a fair distance into a room may result in interference with sprinkler systems. in canada, they cannot exceed 1200 mm (4 ft.) in width if sprinklers are present or the design will require integration with sprinkler system to cover the floor area under the light shelf. they also require... | wikipedia |
7cb2fbb8f478ce0bb450c5055d518f0d3584310c | light shelves may not be suitable for all | light shelves may not be suitable for all climates. they are generally used in mild climates and not in tropical or desert climates due to the intense solar heat gain. these hot climates, compared to mild climates, require very small window openings to reduce the amount of heat infiltration. | wikipedia |
aedea8f0bd0fcc201a7a6c39b373695789c536a0 | architectural light shelves have been proven to reduce | architectural light shelves have been proven to reduce the need for artificial lighting in buildings. since they can reflect light deeper into a space, the use of incandescent and fluorescent lighting can be reduced or eliminated, depending on the space. light shelves make it possible for daylight to penetrate the spac... | wikipedia |
6ed15e2ba4d351109a691cf138081cdaa8ac8a0b | light shelves are typically used in high-rise and | light shelves are typically used in high-rise and low-rise office buildings, as well as institutional buildings. this design is generally used on the equator -facing side of the building, which is where maximum sunlight is found, and as a result is most effective. not only do light shelves allow light to penetrate thro... | wikipedia |
3b8dfd396ba42d5bdd651924445c2e623a418b25 | birchenough bridge is the name for both a | birchenough bridge is the name for both a bridge across the save river and a village next to the bridge. birchenough bridge is called after sir henry birchenough. birchenough bridge is located 62 km from chipinge in the manicaland province of zimbabwe linking chipinge with buhera. | wikipedia |
94d63c43e25418cbc549e72315e32451dd409e20 | the bridge is widely considered by zimbabweans as | the bridge is widely considered by zimbabweans as being one of the country's finest pieces of engineering, and as such, it appears on the twenty-cent coin. the zimbabwe department of roads has reduced its load capacity not to allow any vehicle weighing more than 25 tonnes. this had reduced business activities in the ar... | wikipedia |
1f9231289c4c87a3ac688f6c7bb436ebeb19fa46 | in the 1970s a 40-tonne load limit was | in the 1970s a 40-tonne load limit was imposed on the bridge but in 1984 the bridge was widened (roadway: 7.2 m to 10 m wide) and strengthened as part of the world bank 's highway project one. the village which sprang up next to the bridge has become the centre of a small-scale farming area. | wikipedia |
dd4f621d456e7efadd79f9b22bdfdb7f4abee31f | the bridge was funded at a cost of | the bridge was funded at a cost of £145 000.00 and planned by the beit trust, a foundation chaired at the time by sir henry birchenough whose ashes are buried beneath the structure of the bridge. ralph freeman, the bridge's designer, was also the structural designer on the sydney harbour bridge and consequently the two... | wikipedia |
4858a5d9c3bf437c78861c0399f95ff6b1724a8a | birchenough bridge is the name for both a | birchenough bridge is the name for both a bridge across the save river (pronounced sa've) and a village next to the bridge. birchenough bridge is called after sir henry birchenough. birchenough bridge is located 62 km from chipinge in the manicaland province of zimbabwe linking chipinge with buhera. | wikipedia |
a02ccceaa916e7ae78bc2e9b61f20b501db2327a | fluidisation is a phenomenon whereby solid particulate is | fluidisation is a phenomenon whereby solid particulate is placed under certain conditions to cause it to behave like a fluid. a fluidized bed is a system conceived to facilitate the fluidisation. fluidized beds have a wide range of applications including but not limited to: assisting with chemical reactions, heat trans... | wikipedia |
346f355da13f29bc8a4066279e17afd0b0b1e7d4 | for example, in mining process currently in mozambique, | for example, in mining process currently in mozambique, annular fluidised beds are used to preheat and reduce ilmenite ore, ilmenite is hazardous compound as crystalline silica is known to cause lung fibrosis and is a known carcinogen. companies operating such equipment and detrimental substances must dispose of their ... | wikipedia |
46d4f756aeecfcc7997bd43ac072cb3b4b190049 | during the operation of a fluidised bed particles | during the operation of a fluidised bed particles are transported by the kinetic energy provided by a feed gas. at certain velocities fine particles may fly into a cyclone and separated from the flue gas. these fine particles can either be returned to the system or removed. once removed these particles depending on the... | wikipedia |
37661d23bc738c63eec575b24540986cb739d8f1 | off-gas is the gaseous product exiting a cyclone | off-gas is the gaseous product exiting a cyclone separator that is connected to a fluidized bed. if the gas is clean and contaminate free it can be cooled via a condenser and then filtered to remove fine particles. once filtered it may be directed back into the system or tapered off. in various cases volatile and/or po... | wikipedia |
a9aff14837d5ece1227b4c2b9501a292e386018e | one application of an afb is the purification | one application of an afb is the purification of air. it begins by focusing the sun's ultraviolet light on particles of silica gel, which are coated with a fine layer of titanium dioxide catalyst. the uvlight then able to charge these particles. these positive and negative charged particles are then available to initia... | wikipedia |
5170e8367d4a4bb4215e6fdad5fb8d26c23c9a15 | as seen from the outotec examples, an annular | as seen from the outotec examples, an annular fluidized bed can have a wide range of applications as any other fluidization technology. however, as it is a recent development in this field its full potential has yet to be realized and implemented for industrial applications | wikipedia |
7dbc2c6b24eba78aed3c504a83dc3a67b36af701 | though a relatively new technology, the use of | though a relatively new technology, the use of afb in the industry has slowly increased over the years. one such example is the company outotec, who specialises in the field of fluidization technology. outotec has integrated the use of afb in its recent plants designs to further improve the process. current existing pl... | wikipedia |
fd082fc08c6e0f4bad45d5532319a667a1c3eb4e | an annular fluidized bed (afb) can have a | an annular fluidized bed (afb) can have a wide range of applications due to its ability to be used in conjunction with other fluidized bed type. the afb is ideal for applications that require a fast and efficient heat and mass transfer with intense mixing. these applications can range from dryers, heat exchangers, heat... | wikipedia |
d8901cfce519f17b30b1cb2aead63b7ec87265c2 | though the afb has potential to improve the | though the afb has potential to improve the efficiency of current processes, it is not without limitations. due to the afb being a recent advancement in fluidization technology, little systematic study has been done on this, and characterising global and local flow patterns may prove difficult for chemical engineers as... | wikipedia |
5d0cac7d3e3408f02d200055347e4648e1b55571 | the afb characteristics are highly desirable in some | the afb characteristics are highly desirable in some applications however it can have an undesirable effect on other applications, which would require shorter residence times and a less intense mixing such as an ore roasters where particles would not be required to leave the fluidized bed. the cost of an afb would also... | wikipedia |
8c2c0d4138c9f11ec33cd337d6470d844f6c089a | due to the particular characteristics of afb whereby | due to the particular characteristics of afb whereby gasses are introduced through the central nozzle at a high velocity, an intense mixing zone is achieved on the bed comparable to the conditions by an external loop of a circulating fluidized bed. the afb combines the advantages of long solid residence time and good h... | wikipedia |
8d1e156cd28d335c2928e35d3a2cfce7677cd089 | bubbling occurs in the annular fluidized bed caused | bubbling occurs in the annular fluidized bed caused by the introduction of gas by the central nozzle at a certain velocity moves in the general upwards direction. the sudden eruption of gas at the central nozzle causes particles to be transport in the bubbles wake by increasing the velocity of the annulus results in an... | wikipedia |
7624ff109cd85dfaa258f5c2e0bffb8ecaf15386 | the flow pattern of a circulating fluidized bed | the flow pattern of a circulating fluidized bed is fully developed at the probe height of 200mm above the central nozzle. at this height, the typical concentration increases towards the wall and after combining with the falling solids velocity, this results in a negative solid mass flux.the shape of the solids concentr... | wikipedia |
d6b4bd7e40cd6a1175e662e445cc264aea6344c5 | as gas velocity in the annulus depends on | as gas velocity in the annulus depends on a calculated velocity of the solids ejected from bubbles, it is more difficult for the solids coming from the annulus with increasing velocity in the nozzle to penetrate into the central gas jet under a constant fluidization velocity. increasing the central velocity at a height... | wikipedia |
93ba45179d625787a8145ce90e785a9f066ae0c9 | two distinct types of flow are shown in | two distinct types of flow are shown in two different regions: “the flow pattern directly above the central nozzle shows a typical jet profile characterized by low solids concentrations around 8% and high upwards solids velocities (3 m/s) thus resulting in high local solids mass fluxes.” the surrounding of annular regi... | wikipedia |
01ef5fe0ef59a5c8daf86ef0905e379d6c52bbdc | according to an experiment characterization of the flow | according to an experiment characterization of the flow pattern in an annular fluidized bed carried out by anne collin, karl-ernst wirth and michael stroder, at a height of 150mm above the central nozzle, the pressure gradient is approximately zero for small velocities and increases with increasing velocity. | wikipedia |
a2e9d16f9dab521fa3e1807ddb2ce57e6135d5b6 | the annular fluidized bed is a new type | the annular fluidized bed is a new type of fluidized bed that has a specific type of motion where it moves in radial. there is relatively little axial mixing of gases and there is radial motion.the axial flow profile of the annular fluidized bed can be determined by pressure drops along the plant height, which can be d... | wikipedia |
3f0ec5fe0f156f11854ae914256adb148ff026c4 | the bottom section of the riser is narrowed | the bottom section of the riser is narrowed to avoid solids from accumulating in the bottom section. instead of the riser walls being smooth it is generally composed of membrane waterwall surfaces, this added feature influences the solid flow patterns in the vicinity, hence influences mixing and gas-solid mixing.the ri... | wikipedia |
e267e7db28a4f897f7e1a211faabb67e3aa23581 | a general annular fluidized bed (afb) introduces gas | a general annular fluidized bed (afb) introduces gas at high speeds that enter the reactor from the bottom of the large central nozzle and additional fluidized gas is introduced through an annular nozzle ring. as a result, gas and solids are extensively mixed in the dense bottom part of the mixing chamber and flow upwa... | wikipedia |
a02ccceaa916e7ae78bc2e9b61f20b501db2327a | fluidisation is a phenomenon whereby solid particulate is | fluidisation is a phenomenon whereby solid particulate is placed under certain conditions to cause it to behave like a fluid. a fluidized bed is a system conceived to facilitate the fluidisation. fluidized beds have a wide range of applications including but not limited to: assisting with chemical reactions, heat trans... | wikipedia |
6f6d0bbb2754738d131a7589dae18047e7853f40 | arsole, also called arsenole or arsacyclopentadiene, is an | arsole, also called arsenole or arsacyclopentadiene, is an organoarsenic compound with the formula c4h4ash. it is classified as a metallole and is isoelectronic to and related to pyrrole except that an arsenic atom is substituted for the nitrogen atom. whereas the pyrrole molecule is planar, the arsole molecule is not,... | wikipedia |
4707f87b4b674967a19bdbd02426704c6c7884b2 | reaction of phenylarsenous dichloride with linear diphenyls results | reaction of phenylarsenous dichloride with linear diphenyls results in 1,2,5-triphenylarsole (see below), a solid with a melting point of about 170 °c. this compound forms various anions upon treatment with alkali metals. | wikipedia |
d9c02fe028b6bc69c91015f9fc42b1ba71df0f78 | substituting in this reaction arsenic trichloride for phenylarsenous | substituting in this reaction arsenic trichloride for phenylarsenous dichloride yields 1-chloro-2,3,4,5-tetraphenylarsole, which also forms yellow needles but with a lower melting point of 182–184 °c. pentaphenylarsole can further be oxidized with hydrogen peroxide resulting in yellow crystals with melting point of 252... | wikipedia |
d68377c005c556a58cdcc25e0856e1ff192f6f1b | chemical properties of arsole derivatives have been studied | chemical properties of arsole derivatives have been studied experimentally; they are similar to those of phosphole and its derivatives. substitution of all hydrogen atoms in arsole with phenyl groups yields yellow needles of crystalline pentaphenylarsole, which has a melting point of 215 °c. this complex can be prepare... | wikipedia |
0f751e757720bcc9b5372efc34ab8bf119dc50c8 | aromaticity of the arsole manifests itself in delocalization | aromaticity of the arsole manifests itself in delocalization and resonance of its ring electrons. it is closely related to planarity in that the more planar the molecule the stronger its aromaticity. aromaticity of arsole and its derivatives has been debated for years both from experimental and theoretical points of vi... | wikipedia |
fd6672d1e6e77ef7bd8b381fc80a2abc7b233eb3 | calculations suggest that whereas pyrrole (c h nh) | calculations suggest that whereas pyrrole (c h nh) molecule is planar, phosphole (c h ph) and heavier metalloles are not, and their pnictogen -bonded hydrogen atom extends out of plane. a similar tendency is predicted for the fluorinated c f mh derivatives (m = n, p, as,..), but the inversion barriers are about 50–100%... | wikipedia |
a738edf6914334f53f36fa07bd7c3a243bb144bc | arsole itself has not been isolated experimentally yet, | arsole itself has not been isolated experimentally yet, but the molecular geometry and electronic configuration of arsole have been studied theoretically. calculations also addressed properties of simple arsole derivatives, where hydrogen atoms are substituted by other atoms or small hydrocarbon groups, and there are e... | wikipedia |
4c9eaf3dd56382119ebd624190caf8859b9dd61f | because of its similarity to the english slang | because of its similarity to the english slang word " arsehole " (in common use outside north america), the name "arsole" has been considered a target of fun, a "silly name", and one of several chemical compounds with an unusual name. however, this "silly name" coincidence has also stimulated detailed scientific studie... | wikipedia |
aeea981ad146968c2de7d755270406f9fb41d267 | arsole belongs to the series of heterocyclic pnictogen | arsole belongs to the series of heterocyclic pnictogen compounds. the naming of cyclic organoarsenic compounds such as arsole is based on an extension of the hantzsch–widman nomenclature system approved by iupac, as summarized below: | wikipedia |
1298e1618c055985bb5f5420e8a5f807cfe5858e | arsole, also called arsenole or arsacyclopentadiene, is an | arsole, also called arsenole or arsacyclopentadiene, is an organoarsenic compound with the formula c h ash. it is classified as a metallole and is isoelectronic to and related to pyrrole except that an arsenic atom is substituted for the nitrogen atom. whereas the pyrrole molecule is planar, the arsole molecule is not,... | wikipedia |
310fc64d95877545a9dc9c9b7026c5b0c42fa5fc | in computer science, b* is a best-first graph | in computer science, b* is a best-first graph search algorithm that finds the least-cost path from a given initial node to any goal node. first published by hans berliner in 1979, it is related to the a* search algorithm. | wikipedia |
2556b6ff158d54913f75edfa9b2c488ec679f50b | the b* algorithm applies to two-player deterministic zero-sum | the b* algorithm applies to two-player deterministic zero-sum games. in fact, the only change is to interpret "best" with respect to the side moving in that node. so you would take the maximum if your side is moving, and the minimum if the opponent is moving. equivalently, you can represent all intervals from the persp... | wikipedia |
f4f6930eb02691c7bd595fd56cf54cf9efbb7ff0 | the maven (scrabble) program has an innovation that | the maven (scrabble) program has an innovation that improves the robustness of b* when evaluation errors are possible. if a search terminates due to separation then maven restarts the search after widening all of the evaluation intervals by a small amount. this policy progressively widens the tree, eventually erasing a... | wikipedia |
6684f89467d14449781e58bb8b00f7e065da9596 | if intervals are incorrect (in the sense that | if intervals are incorrect (in the sense that the game-theoretic value of the node is not contained within the interval), then b* might not be able to identify the correct path. however, the algorithm is fairly robust to errors in practice. | wikipedia |
7a0f6e1dd8301d6ed87000cab7d70ff690ba3ae4 | when transpositions are possible, then the back-up operation | when transpositions are possible, then the back-up operation might need to alter the values of nodes that did not lie on the selection path. in this case, the algorithm needs pointers from children to all parents so that changes can be propagated. note that propagation can cease when a backup operation does not change ... | wikipedia |
123134dba8f0de699914dd4c5528838e278660e0 | at the root of the tree, the algorithm | at the root of the tree, the algorithm applies one of two strategies, called prove-best and disprove-rest. in the prove-best strategy, the algorithm selects the node associated with the highest upper bound. the hope is that expanding that node will raise its lower bound higher than any other node's upper bound. | wikipedia |
fba2e49cf63ca0d21fd7b81f04ab16aebe81824d | b* is a best-first process, which means that | b* is a best-first process, which means that it is very efficient to traverse the tree, repeatedly descending to find a leaf to expand. this section describes how to choose the node to expand. (note: whether or not the tree is memory-resident, is a function of the overall implementation efficiency, including how it may... | wikipedia |
905fc42493ff22f951e5a34b82eb1ec08cf6f169 | in practice, complex searches might not terminate within | in practice, complex searches might not terminate within practical resource limits. so the algorithm is normally augmented with artificial termination criteria such as time or memory limits. when an artificial limit is hit, then you must make a heuristic judgment about which move to select. normally, the tree would sup... | wikipedia |
d89ae27b485dfa885686447562d94a2ff2552c9c | b* systematically expands nodes in order to create | b* systematically expands nodes in order to create "separation," which occurs when the lower bound of a direct child of the root is at least as large as the upper bound of any other direct child of the root. a tree that creates separation at the root contains a proof that the best child is at least as good as any other... | wikipedia |
89ca68eb308dfeedb21ed72f1f3708e58c8a6561 | to back up the intervals within the tree, | to back up the intervals within the tree, a parent's upper bound is set to the maximum of the upper bounds of the children. a parent's lower bound is set to the maximum of the lower bound of the children. note that different children might supply these bounds. | wikipedia |
3272ccffb37c694edafd771a6f6fce7576ba69c1 | leaf nodes of a b*-tree are given evaluations | leaf nodes of a b*-tree are given evaluations that are intervals rather than single numbers. the interval is supposed to contain the true value of that node. if all intervals attached to leaf nodes satisfy this property, then b* will identify an optimal path to the goal state. | wikipedia |
e43109c5067c638a4543229535db1aeba9abb30b | in computer science, b* (pronounced "b star") is | in computer science, b* (pronounced "b star") is a best-first graph search algorithm that finds the least-cost path from a given initial node to any goal node (out of one or more possible goals). first published by hans berliner in 1979, it is related to the a* search algorithm. | wikipedia |
5aa709fda903362acaf08742705ad87865ba6288 | beatrice cherrier is a historian of economics and | beatrice cherrier is a historian of economics and associate professor at crest, cnrs, and ensae/ecole polytechnique, france. her research interests include the history of economics since world war ii. she has been cited in the popular media on several topics in the history of economics, including theories of discrimina... | wikipedia |
ec15335f2b5e11dfbffac8e0cf63f6d553eee127 | professor cherrier has studied how world events affected | professor cherrier has studied how world events affected the intellectual development of gunnar myrdal, jacob marschak and milton friedman, and how economists’ individual visions combined in the development of the mit economics department. in more recent work, she is studying the rise of applied economics, such as the ... | wikipedia |
f957f19e05bd6d6ce4a8272612bf69845b5bdaf0 | beatrice cherrier earned a bs in economics from | beatrice cherrier earned a bs in economics from the ecole normale supérieure de cachan and in management science from the university paris xii in 2001, a master of arts in the methodology of economics from the university of paris sorbonne in 2004, a phd in the history of economics from the university of paris x-nanterr... | wikipedia |
5aa709fda903362acaf08742705ad87865ba6288 | beatrice cherrier is a historian of economics and | beatrice cherrier is a historian of economics and associate professor at crest, cnrs, and ensae/ecole polytechnique, france. her research interests include the history of economics since world war ii. she has been cited in the popular media on several topics in the history of economics, including theories of discrimina... | wikipedia |
0ce52b1678bd1c19bc879771386a9a62de85bcf9 | in organic chemistry, a bechgaard salt is any | in organic chemistry, a bechgaard salt is any one of a number of organic charge-transfer complexes that exhibit superconductivity at low temperatures. they are named for chemist klaus bechgaard, who was one of the first scientists to synthesize them and demonstrate their superconductivity with the help of physicist den... | wikipedia |
184919953cf939bd16e672eec210a0c4e6cc5e41 | all bechgaard salts have a variation on a | all bechgaard salts have a variation on a single tetrathiafulvalene motif—different superconductors have been made with appendages to the motif, or using a tetraselena fulvalene center instead (which is a related compound), but all bear this general structural similarity. | wikipedia |
ab5e330a383c2e17de152110d0432b1b0339acad | all bechgaard salts are formed using a small, | all bechgaard salts are formed using a small, planar organic molecule as an electron donor, with any of a number of electron acceptors (such as perchlorate, clo, or tetracyanoethylene, tcne). all the organic electron donors contain multiply conjugated heterocycles with a number of properties, including planarity, low i... | wikipedia |
d2b569ef4fe8e56c0e916e26965c57f05bea3b83 | in organic chemistry, a bechgaard salt is any | in organic chemistry, a bechgaard salt is any one of a number of organic charge-transfer complexes that exhibit superconductivity at low temperatures. they are named for chemist klaus bechgaard, who was one of the first scientists to synthesize them and demonstrate their superconductivity with the help of physicist den... | wikipedia |
aee1252083d7ed778c7587a5ab5586d8adfeaeea | aspartate dehydrogenase is an enzyme that catalyzes the | aspartate dehydrogenase is an enzyme that catalyzes the chemical reaction the 4 substrates of this enzyme are l-aspartate, water, nicotinamide adenine dinucleotide ion, and nicotinamide adenine dinucleotide phosphate ion, whereas its 5 products are oxaloacetate, ammonia, nadh, nicotinamide adenine dinucleotide phosphat... | wikipedia |
0b20e663f6f2dcdcfff49ec97965a75e78fd68a8 | this enzyme belongs to the family of oxidoreductases, | this enzyme belongs to the family of oxidoreductases, specifically those acting on the ch-nh2 group of donors with nad+ or nadp+ as acceptor. the systematic name of this enzyme class is l-aspartate:nad(p)+ oxidoreductase (deaminating). other names in common use include nad-dependent aspartate dehydrogenase, nadh2-depen... | wikipedia |
1fbad1d9dbc1ae6cafed96b93f57a94abc6f3c5e | the 4 substrates of this enzyme are l- | the 4 substrates of this enzyme are l- aspartate, water, nicotinamide adenine dinucleotide ion, and nicotinamide adenine dinucleotide phosphate ion, whereas its 5 products are oxaloacetate, ammonia, nadh, nicotinamide adenine dinucleotide phosphate, and hydrogen ion. | wikipedia |
654b8901751ff66df540519b954c6f5092bcb487 | the station has two side platforms located on | the station has two side platforms located on the basement ("b1f") level, serving two tracks. platform 1 is accessed via entrances a1 to a3, while platform 2 is accessed via entrances a4 to a5. passenger access between the two platforms is also provided via an underpass at the south end. | wikipedia |
59e79d350cd8ca73b1d7ef5060ed5c16df90c5cb | awajicho station is served by the marunouchi line, | awajicho station is served by the marunouchi line, and is 7.2 km (4.5 mi) from northern terminus of the line at ikebukuro. the station is numbered "m-19". | wikipedia |
e4839a6f53aa02df39b0140b09e51f7cabd25f47 | awajicho station (淡路町駅, awajichō-eki) is a subway station | awajicho station (淡路町駅, awajichō-eki) is a subway station on the tokyo metro marunouchi line in chiyoda, tokyo, japan, operated by the tokyo subway operator tokyo metro. | wikipedia |
876bff4d2b11fc1c35d20d8d52c38ed1360ff6c0 | audrey hucks sawyer is an american hydrogeologist and | audrey hucks sawyer is an american hydrogeologist and assistant professor of earth science at ohio state university. her work has focused on quantifying the role of groundwater - surface water interactions in transporting nutrients, contaminants, and heat in rivers and coastal settings. sawyer has won multiple awards, ... | wikipedia |
2e007090d9b0bfda378cc6212c489f402277b512 | sawyer received the kohout early career award in | sawyer received the kohout early career award in 2016 from the geological society of america's hydrology division. "the award will be presented to a distinguished early career scientist for outstanding achievement in contributing to the hydrogeological profession through original research and service, and for the demon... | wikipedia |
02c570d0d4f71cc6744532fe065e0f3574e5291d | sawyer's most cited research focused on "hyporheic flow | sawyer's most cited research focused on "hyporheic flow and residence time distributions in heterogeneous cross-bedded sediment" (2009). this study quantified how the permeability of cross beds influence the ground-water and river bed water exchange, also referred as the hyporheic exchange. | wikipedia |
e892224d3ebf417afad0135c7a839cba28f21698 | sawyer's work has been published by multiple journals, | sawyer's work has been published by multiple journals, such as water resources research, geophysical research letters, journal of geophysical research: bio-geosciences section, and oceans section. in addition to this, she has been published by journal of hydrology, groundwater journal, as well as the scientific journal... | wikipedia |
c52521fbd8f7d5e65ab7445ee5e34f03bc0a4505 | sawyer is member of the american geophysical union | sawyer is member of the american geophysical union and of the american association for the advancement of science. she is also an officer at the consortium of universities for the advancement of hydrologic science incorporated. sawyer has been the lead investigator of research done for the united states geological surv... | wikipedia |
ffa1893a7a05f9c72b035b73d0b69f9df9d47d4c | following her doctoral degree, sawyer worked as a | following her doctoral degree, sawyer worked as a post doctoral researcher at the university of delaware from 2011 until 2012. subsequently, sawyer was hired as an assistant professor of earth and environmental sciences at university of kentucky from 2012 until 2014. following this, sawyer became an assistant professor... | wikipedia |
a71a43ab79c8e550635c5803cb66d59c0bb4bc2c | in 2011 sawyer obtained her doctor of philosophy | in 2011 sawyer obtained her doctor of philosophy in geological science at university of texas at austin. her thesis focused on the "complexity in river-groundwater exchange due to permeability heterogeneity, in-stream flow obstacles, and river stage fluctuations." | wikipedia |
4822246a651568dbb8e7a041c1ce96886fc56120 | in 2004 audrey sawyer graduated summa cum laude | in 2004 audrey sawyer graduated summa cum laude from rice university with a bachelor of science in earth science and environmental engineering. in 2007, sawyer attended pennsylvania state university, from which she received a master of science in geoscience. | wikipedia |
876bff4d2b11fc1c35d20d8d52c38ed1360ff6c0 | audrey hucks sawyer is an american hydrogeologist and | audrey hucks sawyer is an american hydrogeologist and assistant professor of earth science at ohio state university. her work has focused on quantifying the role of groundwater - surface water interactions in transporting nutrients, contaminants, and heat in rivers and coastal settings. sawyer has won multiple awards, ... | wikipedia |
25248b178e1d15638c18a4cacc67e66c7bb95b83 | bertram clifford "bert" morrison was a canadian professional | bertram clifford "bert" morrison was a canadian professional ice hockey rover who was active with several clubs in the early 1900s. amongst the teams morrison played for were the pittsburgh keystones, portage lakes hockey club, calumet miners, montreal shamrocks, toronto professionals, montreal wanderers and haileybury... | wikipedia |
a75bbee538a2915a4dc6c6d1e1586c70d99f4b24 | in the 1903–04 season morrison scored a total | in the 1903–04 season morrison scored a total number of 94 goals in 25 games with the portage lakes hockey club, playing alongside future hockey hall of fame members hod stuart, bruce stuart, riley hern and jack gibson. | wikipedia |
fd0ff1b45db79278f8a1282979f6eac87859e090 | morrison started out on the semi-professional ice hockey | morrison started out on the semi-professional ice hockey circuit in the 1901–02 season when he played for the pittsburgh keystones in the western pennsylvania hockey league. amongst his teammates on the keystones that season were riley hern and harry peel, with peel later admitting to being paid money to play for the t... | wikipedia |
16b3a11c7abe6138883973da6e64dc784c88d080 | bertram clifford "bert" morrison (january 10, 1880 – | bertram clifford "bert" morrison (january 10, 1880 – april 23, 1969) was a canadian professional ice hockey rover who was active with several clubs in the early 1900s. amongst the teams morrison played for were the pittsburgh keystones, portage lakes hockey club, calumet miners, montreal shamrocks, toronto professional... | wikipedia |
cb1e8ab859073428c931720e7701f9729be06d05 | after attending ryutsu keizai university football club, tachibana | after attending ryutsu keizai university football club, tachibana joined yokohama fc in 2018. on 3 august 2019, he was loaned out to brazilian club tombense. however, he returned soon afterward on 16 august due to a knee injury. on 28 february 2020, tachibana moved to australian club preston lions fc. among other thing... | wikipedia |
ac0c52eb96eb4ed0dd4aab20723eba12cd5b28ef | avoca township was located in southeastern pottawatomie county, | avoca township was located in southeastern pottawatomie county, with konawa municipal township (and the seminole county line) to the east, st. louis township to the north and the south canadian river to the south. the western boundary was about two and a half miles west of present-day asher. the township encompassed ab... | wikipedia |
a104f96f85f3d2cfb8930d56ba91cc5be803a8b5 | in the mathematical field of linear algebra, an | in the mathematical field of linear algebra, an arrowhead matrix is a square matrix containing zeros in all entries except for the first row, first column, and main diagonal, these entries can be any number. in other words, the matrix has the form any symmetric permutation of the arrowhead matrix, p t a p , where p is ... | wikipedia |
a6cdc62357e9b66e1f310762ab9c448b17da791f | direct application of the above formula may yield | direct application of the above formula may yield eigenvectors which are not numerically sufficiently orthogonal. the forward stable algorithm which computes each eigenvalue and each component of the corresponding eigenvector to almost full accuracy is described in. the julia version of the software is available. | wikipedia |
fcad80a9ecf505c94ad3033dc2ffec9449f823ec | a symmetric arrowhead matrix is irreducible if ζ | a symmetric arrowhead matrix is irreducible if ζ i ≠ 0 {\displaystyle \zeta _{i}\neq 0} for all i and d i ≠ d j {\displaystyle d_{i}\neq d_{j}} for all i ≠ j {\displaystyle i\neq j}. the eigenvalues of an irreducible real symmetric arrowhead matrix are the zeros of the secular equation | wikipedia |
0777939afb86e075537229cbce74e5178c29a9ca | be the eigenvalue decomposition of a, where Λ | be the eigenvalue decomposition of a, where Λ = diag (λ 1, λ 2, …, λ n) {\displaystyle \lambda =\operatorname {diag} (\lambda _{1},\lambda _{2},\ldots,\lambda _{n})} is a diagonal matrix whose diagonal elements are the eigenvalues of a, and v = {\displaystyle v={\begin{bmatrix}v_{1}&\cdots &v_{n}\end{bmatrix}}} is an o... | wikipedia |
fe28db447870db04336af58a334e6ab78f16211f | where d = d i a g (d | where d = d i a g (d 1, d 2, …, d n − 1) {\displaystyle d=\mathop {\mathrm {diag} } (d_{1},d_{2},\ldots,d_{n-1})} is diagonal matrix of order n −1, z = t {\displaystyle z={\begin{bmatrix}\zeta _{1}&\zeta _{2}&\cdots &\zeta _{n-1}\end{bmatrix}}^{t}} is a vector and α {\displaystyle \alpha } is a scalar. note that here t... | wikipedia |
69c34a049c03bafbbaa9a72ea36f8d23ff469e05 | any symmetric permutation of the arrowhead matrix, p | any symmetric permutation of the arrowhead matrix, p t a p {\displaystyle p^{t}ap}, where p is a permutation matrix, is a (permuted) arrowhead matrix. real symmetric arrowhead matrices are used in some algorithms for finding of eigenvalues and eigenvectors. | wikipedia |
8eb9d05014cb4334fd6085bcebf3e41fae02787b | in the mathematical field of linear algebra, an | in the mathematical field of linear algebra, an arrowhead matrix is a square matrix containing zeros in all entries except for the first row, first column, and main diagonal, these entries can be any number. in other words, the matrix has the form | wikipedia |
323a3fd7aebd905eb2a55ffcdf32bd54831b7748 | the bellbank covered bridge was a covered bridge | the bellbank covered bridge was a covered bridge that spanned the octoraro creek on the border between colerain township, lancaster county and upper oxford township, chester county in pennsylvania. the 112 ft bridge was located on street road near pennsylvania route 472. it was burnt and destroyed by an arsonist on mar... | wikipedia |
d76a6e86558555638c965ff32df5bd7e7a56d300 | sometime in the 1960s the bridge was scheduled | sometime in the 1960s the bridge was scheduled to be destroyed, but was instead rehabilitated. after it was destroyed by fire on march 19, 1979, the bridge, which was previously owned by chester county, was finally replaced by an open steel-beam bridge after a failed petition to penndot by the community to rebuild it a... | wikipedia |
9d5fd49f47da1f408ab389a1b2f2980b8f88ff97 | the bellbank covered bridge was built in 1850 | the bellbank covered bridge was built in 1850 over the octoraro creek by robert russell (who also rebuilt the pine grove covered bridge in 1846). it was named after revolutionary war colonel james patterson bell, who had his home, gristmill, and sawmill located in the 1,200-acre (4.9 km) plot of land where the bridge w... | wikipedia |
03458c48f0dbeab335c7fcabcf334da36fc188ca | the bellbank covered bridge was a covered bridge | the bellbank covered bridge was a covered bridge that spanned the octoraro creek on the border between colerain township, lancaster county and upper oxford township, chester county in pennsylvania. the 112 ft (34 m) bridge was located on street road near pennsylvania route 472. it was burnt and destroyed by an arsonist... | wikipedia |
857bd1b99bd780186b99a59ea3fa20338873f041 | is a generic construction devised by ken batcher | is a generic construction devised by ken batcher for sorting networks of size o(n (log n)2) and depth o((log n)2), where n is the number of items to be sorted. although it is not asymptotically optimal, knuth concluded in 1998, with respect to the aks network that "batcher's method is much better, unless n exceeds the ... | wikipedia |
ad7f64de2607bceaff8ee93573745733652a23e3 | batcher's odd–even mergesort is a generic construction devised | batcher's odd–even mergesort is a generic construction devised by ken batcher for sorting networks of size o(n (log n)) and depth o((log n)), where n is the number of items to be sorted. although it is not asymptotically optimal, knuth concluded in 1998, with respect to the aks network that "batcher's method is much be... | wikipedia |
9fb971b047b479e71c41b3887a78b0f55cf8f7de | bettertonite is a mineral of the arsenate category, | bettertonite is a mineral of the arsenate category, named after john betterton. he is a museum geologist and mineralogist at haslemere educational museum in surrey, england. bettertonite is a white arsenate mineral with a formula of [al6(aso4)3(oh)9(h2o)5]・11h2o. bettertonite is in the monoclinic system and has a heter... | wikipedia |
7709e5259782040d4a16e6113e3907e21b85a1f9 | bettertonite forms in undulating layers that are parallel | bettertonite forms in undulating layers that are parallel to (010). these undulating layers are made up of hexagonal rings of alo octahedra. the rings are connected by aso tetrahedra. the undulating stacking creates water-filled channels along. wavelength-dispersive x-ray spectroscopy (wds) and powder x-ray diffraction... | wikipedia |
3fff4ecf08fe05c1691fa03f427f0bb3b0b0ad99 | bettertonite was discovered in st. hilary, cornwall, uk, | bettertonite was discovered in st. hilary, cornwall, uk, at the penberthy croft mine. the penberthy croft mine is known for the rare secondary cupbfe arsenates that have been found there. bettertonite most likely formed as a product of leaching and the replacement of al to fe in pharmacosiderite. bettertonite infills i... | wikipedia |
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