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1 U.S. Geological Survey Open-File Report 03-001 开放资源 馆员登记
  Most of the sediment data in this report are broken into data layers by their original source project and are provided as single-point vector datasets with sample identifiers, navi...
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2 U.S. National Report to International Union of Geodesy and Geophysics 1991-1994 开放资源 机器抓取
  This quadrennial report contains geoscientific and cross-disciplinary articles devided into six major sections: Properties of the Solid Earth, Dynamics of the Solid Earth and Other...
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3 U.S.NRC: Glossary 开放资源 馆员登记
  ...
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4 UJNR Aquaculture Panel--Proceedings 开放资源 馆员登记
  Listed below are the UJNR Aquaculture Panel Meeting proceedings available at the NOAA Central Library. These proceedings contain the scientific papers presented at the respective m...
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5 Ulrichsweb - Global Serials Directory 未开放资源 专家推荐
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6 UMass Citation Field Extraction Dataset 开放资源 专家推荐
  The UMass citation field extraction dataset provides labels and segments for extracted citations from articles found on arxiv.org. In comparison to the previous standard dataset in...
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7 UNESCO 开放资源 馆员登记
  UNESCO works to create the conditions for dialogue among civilizations, cultures and peoples, based upon respect for commonly shared values. It is through this dialogue that the wo...
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8 University of Toronto Libraries -- The Barren Lands Digital Collection 开放资源 机器抓取
  This site documents two exploratory surveys of the Barren Lands region west of Hudson Bay, in northern Manitoba and Saskatchewan and the area now known as Nunavut. Drawing on mater...
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9 University of Toronto Press--Journals 未开放资源 馆员登记
  多伦多大学出版社(University of Toronto Press)建立于1901年,是加拿大历史最悠久、规模最大的学术出版机构,同时也是北美地区最大的大学出版社之一。该出版社每年出版30多种期刊和大约140种新版学术图书、参考资料以及综合性图书,同时有超过1000种的图书再版。其出版的期刊被国际上多种著名检索工具书和数据库收录、索引。现在开通的期刊涵...
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10 Urban Ecosystems 未开放资源 机器抓取
  Urban Ecosystems is an international journal devoted to scientific investigation of the ecology of urban environments, and policy implications. The scope is broad, including intera...
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