966 resultados para subdivision, catmull-clark, doo-sabin, animazione


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El libro recientemente publicado Poor Economics -y la técnica de evaluaciones aleatorias que dan sustento a sus conclusionestienen el potencial para cambiar radicalmente la manera de diseñar políticas para combatir la pobreza en el mundo. El libro fue escrito por Abhijit Banerjee y Esther Duflo, dos jóvenes reconocidos economistas del MIT (Massachusetts Institute of Technology). Duflo, nacida en Francia y educada en el École Normale Supérieure de Paris y MIT, fue ganadora en 2010 del premio John Bates Clark al mejor economista menor de 40 años y considerada por la revista Foreign Policy como una de los 100 intelectuales más influyentes del mundo. Abhijit Banerjee educado en la Universidad de Calcuta (su ciudad de origen) y la Universidad de Harvard también es ganador de numerosos premios.

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本文研究了頔塘河震泽段的水质指标(BOD、DO)在水体中的迁移转化规律,建立起模拟頔塘河震泽段的水持数学模型。在以水环境规划为目标的水质数值模拟中,首次结合全面的水文分析及该河段的模型参数估计,给出頔塘河震泽段的水质模拟预报及全年污染容量的计算,作为水质管理规划的定量依据。

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Fecha: 26-2-1985 / Unidad de instalación: Carpeta 48 - Expediente 7-8 / Nº de pág.: 4 (mecanografiadas)

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“Advanced Watershed Science and Policy (ESSP 660)” is a graduate class taught in the Master of Science in Coastal and Watershed Science & Policy program at California State University Monterey Bay (CSUMB). In 2007, the class was taught in four 4-week modules, each focusing on a local watershed issue. This report is one outcome of one of those 4-week modules taught in the fall 2007 session. (Document contains 32 pages)

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ESSP 660 Advanced Watershed Science and Policy is a graduate class taught in the Master of Science in Coastal and Watershed Science & Policy program at California State University Monterey Bay. In 2007, the class was taught in four 4-week modules, each focusing on making a small contribution to a local watershed issue. This report describes the results of one of those 4-week modules – on Carmel Lagoon Water Quality and Ecology. The module was lead instructed by Fred Watson (CSUMB) and Kevan Urquhart (MPWMD). (Document contains 54 pages)

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黄河下游花园口至夹河滩河段系典型的游荡型河段。在该河段,黄河大堤内范围宽广,一般洪水频率年份,水流主要限制在主槽内,因此大堤内分布有不少居民点以及纵横交错的保护居民点的生产堤和不少高于地面的灌溉渠堤和公路,使洪水行洪范围受到了很大的限制。当洪峰流量很大时,洪水将造成生产堤溃决,极大地危害滩区居民的生活。因此,设计模拟模型计算网络时需要考虑大堤、生产堤、明显高于地面的道路等阻水建筑物的影响,使这些堤及公路成为计算格网的边。不规则四边形网格能够很好地拟合黄河这种复杂的计算域。数值模拟时采用有限体积法,为确保通量的单向性,文中使用Osher格式计算通量。通过对1982年洪水的模拟,模拟结果表明了模型的合理性。

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The nanocrystalline (nc) formation was studied in cobalt (a mixture of c (hexagonal close packed) and gamma (face-centered cubic) phases) subjected to surface mechanical attrition treatment. Electron microscopy revealed the operation of {10(1) over bar 0}< 11(2) over bar 0 > prismatic and {0001}< 11(2) over bar 0 > basal slip in the E phase, leading to the successive subdivision of grains to nanoscale. In particular, the dislocation splitting into the stacking faults was observed to occur in ultrafine and nc grains. By contrast, the planar dislocation arrays, twins and martensites were evidenced in the gamma phase. The strain-induced gamma ->epsilon martensitic transformation was found to progress continuously in ultrafine and nc grains as the strain increased. The nc formation in the gamma phase was interpreted in terms of the martensitic transformation and twinning.

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Red drum is one ofthe most popular species sought by anglers in Florida Bay, yet juveniles are rarely encountered. We evaluated Florida Bay as a nursery area for red drum by sampling for recently-settled late larvae in basin areas within the bay with an epi-benthic sled at six stations in November 2000, and at seven stations during December 2000 through February 2001. In November 2000 we surveyed potential sampling sites in quiet backwaters adjacent to mangroves for juvenile red drum. A total of 202 sites were sampled mainly in northern Florida Bay and adjacent waters with a cast net. We collected only one recently-settled red drum larvae and no juveniles. Obviously the sites that we sampled in Florida Bay and adjacent waters are not nursery habitat for this valuable species. Sled collections were dominated by bay anchovy, Anchoa mitchilli, but densities were biased by one collection. Five small resident species were among the dominant species: rainwater killifish, Lucania parva; dusky pipefish, Syngnathus floridae; dwarf seahorse, Hippocampus zosterae; and clown goby, Microgobius gulosus. Three species that spawn outside Florida Bay in the GulfofMexico were common: pinfish, Lagodon rhomboides; pigfish, Orthopristis chrysoptera; and silver perch, Bairdiella chrysoura. Twenty-seven species were collected with the cast net. Hardhead silversides (Atherinomorus stipes), bay anchovy, tidewater mojarra (Eucinostomus harengulus), silver jenny (Eucinostomus gula), and goldspotted killifish (Floridichthys carpio) were the most common in cast net collections. Although only one red drum was collected, we were able to: (1) identify mesohaline waters from our cast net sites to test our preliminary assessment that mesohaline habitat might be limited in Florida Bay, (2) document the distribution and abundance of fishes collected by cast net that should enhance our understanding of ichthyofauna in the Northern Subdivision ofFlorida Bay and adjacent waters, and (3) from epibenthic sled collections, describe the habitats, abundance and distribution of recently settled larvae/small juveniles/small resident fishes during late fall and winter. This information should be useful to managers and future research. (PDF contains 34 pages)

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During the summer of 1929, Dr. Charles M. Breder, Jr., employed at that time by the New York Aquarium and American Museum of Natural History, visited the Carnegie Laboratory in the Dry Tortugas to study the development and habits of flying fishes and their allies. The diary of the trip was donated to the Mote Marine Laboratory Library by his family. Dr. Breder's meticulous handwritten account gives us the opportunity to see the simple yet great details of his observations and field experiments. His notes reveal the findings and thoughts of one of the world's greatest ichthyologists. The diary was transcribed as part of the Coastal Estuarine Data/Document Rescue and Archeology effort for South Florida. (PDF contains 75 pages)

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Images of Research is the annual competition and exhibition from the University of Strathclyde, which is designed to broaden the appeal of the university's research outputs to the general public. This year, to bring the research to life Chris Thomson, subject specialist - online learning and the digital student experience, Jisc, helped to support the participants in using digital storytelling. Rachel Clark, project coordinator at the university, talks about the thinking behind the exhibition.