983 resultados para 7-63


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This review focuses on modelling ocean circulation and its variability in the subarctic North Pacific; it addresses issues specific to that region, and not the subject of ocean modelling in general. The performance of existing models is assessed in relation to observations in the upper ocean, intermediate waters and deep/abyssal waters. (PDF contains 87 pages)

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Jornal publicado durante a Revolução Constitucionalista de 1932. A coleção completa compõe-se de treze números, produzidos pela Liga de Defesa Paulista (LDP), no período de 14 de agosto a 25 de setembro de 1932.

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(Document pdf contains 54 pages)

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在山西省万家寨引黄入晋工程总干线 7#隧洞的开挖和衬砌的应力应变分析中 ,为确定土体c、Φ值和邓肯 -张模型参数 ,分别进行了加载试验和卸载试验 ,本文对用两种试验获得的模型参数进行有限元变形分析的结果进行比较。

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Trata das ações implementadas ao longo do ano de 1998 e início de 1999 que contribuíram para o estabelecimento de condições politicamente favoráveis para a discussão de problemas e o encaminhamento de soluções para as questões de interesse do setor agropecuário brasileiro.

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Trata da Lei Orgânica da Assistência Social (Loas), Lei nº 8.742, de 7 de dezembro de 1993, que foi criada com o objetivo de garantir uma política de proteção a quem necessita.

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用大气压非转移弧层流等离子体射流,对W-Mo-Cu铸铁表面进行熔凝相变强化处理,观察和测试了试样经不同弧电流处理后的表面层组织、硬度、耐磨性.结果表明,层流等离子体射流对铸铁表面的局部快速加热熔化和冷却凝固,明显改变了表面层的微观组织,提高了硬度和抗磨损性能.

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在定向钻进过程中,井眼方向及其变化规律是井眼轨道监测与控制的关键参数。修正轨道设计作为井眼轨道监控的重要组成部分,对修正设计目标点的井眼方向往往有一定的要求。根据定向钻井工艺技术的特点,构造出了具有两个圆弧段和一个直线段的三段式剖面,从而解决了给定井眼方向条件下的修正轨道设计问题,为井眼轨道的有效监控奠定了基础。该设计方法避开了求解约束方程组,使得求解过程是一致收敛的,并且所有计算公式在理论上都是精确解,因此其普遍适用性、精确性、稳定性和收敛性得到了保证,可广泛应用于定向井、水平井、大位移井、多目标井的修正轨道设计。

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(PDF contains 2 pages)

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(PDF contains 3 pages.)

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(PDF contains 6 pages.)

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For the first time in its history, the International Symposium on Sea Turtle Biology and Conservation migrated to a site outside of the United States. Thus the Eighteenth edition was hosted by the Mazatlán Research Unit of the Instituto de Ciencias del Mar y Limnología of the Mexican National Autonomous University (UNAM) in Mazatlán, Sinaloa (Mexico) where it was held from 3-7, March, 1998. Above all, our symposium is prominent for its dynamism and enthusiasm in bringing together specialists from the world´s sea turtle populations. In an effort to extend this philosophy, and fully aware of how fast the interest in sea turtles has grown, the organizers paid special attention to bring together as many people as possible. With the tremendous efforts of the Travel Committee and coupled with a special interest by the Latin American region´s devotees, we managed to get 653 participants from 43 countries. The number of presentations increased significantly too, reaching a total of 265 papers, ranging from cutting-edge scientific reports based on highly sophisticated methods, to the experiences and successes of community-based and environmental education programs. A priority given by this symposium was the support and encouragement for the construction of "bridges" across cultural and discipline barriers. We found success in achieving a multinational dialogue among interest groups- scientists, resource managers, decision makers, ngo's, private industry. There was a broad representation of the broad interests that stretch across these sectors, yet everyone was able to listen and offer their own best contribution towards the central theme of the Symposium: the conservation of sea turtles and the diversity of marine and coastal environments in which they develop through their complicated and protracted life cycle. Our multidisciplinary approach is highly important at the present, finding ourselves at a cross roads of significant initiatives in the international arena of environmental law, where the conservation of sea turtles has a key role to play. Many, many people worked hard over the previous 12 months, to make the symposium a success. Our sincerest thanks to all of them: Program committee: Laura Sarti (chair), Ana Barragán, Rod Mast, Heather Kalb, Jim Spotilla, Richard Reina, Sheryan Epperly, Anna Bass, Steve Morreale, Milani Chaloupka, Robert Van Dam, Lew Ehrhart, J. Nichols, David Godfrey, Larry Herbst, René Márquez, Jack Musick, Peter Dutton, Patricia Huerta, Arturo Juárez, Debora Garcia, Carlos Suárez, German Ramírez, Raquel Briseño, Alberto Abreu; Registration and Secretary: Jane Provancha (chair), Lupita Polanco; Informatics: Germán Ramírez, Carlos Suárez; Cover art: Blas Nayar; Designs: Germán Ramírez, Raquel Briseño, Alberto Abreu. Auction: Rod Mast; Workshops and special meetings: Selina Heppell; Student prizes: Anders Rhodin; Resolutions committee: Juan Carlos Cantú; Local organizing committee: Raquel Briseño, Jane Abreu; Posters: Daniel Ríos and Jeffrey Semminoff; Travel committee: Karen Eckert (chair), Marydele Donnelly, Brendan Godley, Annette Broderick, Jack Frazier; Student travel: Francisco Silva and J. Nichols; Vendors: Tom McFarland and J. Nichols; Volunteer coordination: Richard Byles; Latin American Reunión: Angeles Cruz Morelos; Nominations committee: Randall Arauz, Colleen Coogan, Laura Sarti, Donna Shaver, Frank Paladino. Once again, Ed Drane worked his usual magic with the Treasury of the Symposium Significant financial contributions were generously provided by government agencies. SEMARNAP (Mexico´s Ministry of Environment, Natural Resources and Fisheries) through its central office, the Mazatlán Regional Fisheries Research Center (CRIP-Mazatlán) and the National Center for Education and Capacity Building for Sustainable Development (CECADESU) contributed to the logistics and covered the costs of auditoria and audiovisual equipment for the Symposium, teachers and their hotels for the Community Development and Environmental Education workshop in the 5th Latin American Sea Turtle Specialists; DIF (Dept of Family Affairs) provided free accomodation and food for the more than 100 participants in the Latin American Reunion. In this Reunion, the British Council-Mexico sponsored the workshop on the Project Cycle. The National Chamber of the Fisheries Industry (CANAINPES) kindly sponsored the Symposium´s coffee breaks. Personnel from the local Navy (Octave Zona Naval) provided invaluable aid in transport and logistics. The Scientific Coordination Office from UNAM (CICUNAM) and the Latin American Biology Network (RELAB) also provided funding. Our most sincere recognition to all of them. In the name of this Symposium´s compilers, I would like to also express our gratitude to Wayne Witzell, Technical Editor for his guidance and insights and to Jack Frazier for his help in translating and correcting the English of contributions from some non-native English speakers. Many thanks to Angel Fiscal and Tere Martin who helped with the typing in the last, last corrections and editions for these Proceedings. To all, from around the world, who generously helped make the 18th Symposium a huge success, shared their experiences and listened to ours, our deepest gratitude! (PDF contains 316 pages)