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1 101science.com 开放资源 机器抓取
  101science.com is a web directory covering chemistry, electronics, microscopy, photography, physics, space, scientific terminology, and scientific calculators.;...
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2 123 Genomics 开放资源 专家推荐
  The objective of this site is to be a one stop location where one can find most of the freely available internet resources related to genomics and bioinformatics. Although lots of...
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3 2000 Pilot Environmental Sustainability Index (ESI) 开放资源 馆员登记
  The 2000 Pilot Environmental Sustainability Index (ESI) is an exploratory effort to construct an index that measures the ability of a nation's economy to achieve sustainable develo...
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4 2001 Environmental Sustainability Index (ESI) 开放资源 馆员登记
  The 2001 Environmental Sustainability Index (ESI) utilizes a refined methodology based on the 2000 Pilot ESI effort, to construct an index covering 122 countries that measures the ...
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5 2002 Environmental Sustainability Index (ESI) 开放资源 馆员登记
  The 2002 Environmental Sustainability Index (ESI) measures overall progress toward environmental sustainability for 142 countries based on environmental systems, stresses, human vu...
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6 2007 Natural Resource Management Index (NRMI) 开放资源 馆员登记
  The 2007 Natural Resources Management Index (NRMI) is a composite index for 160 countries derived from the average of four proximity-to-target scores from eco-region protection, ac...
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7 2008 Environmental Performance Index (EPI) 开放资源 馆员登记
  The 2008 Environmental Performance Index (EPI) centers on two broad environmental protection objectives: (1) reducing environmental stresses on human health, and (2) promoting ecos...
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8 2008 Natural Resource Management Index (NRMI) 开放资源 馆员登记
  The 2008 Natural Resources Management Index (NRMI) is a composite index for 226 countries derived from the average of four proximity-to-target scores from eco-region protection, ac...
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9 2dF Galaxy Redshift Survey 开放资源 专家推荐
  The 2dF Galaxy Redshift Survey (2dFGRS) is a major spectroscopic survey taking full advantage of the unique capabilities of the 2dF facility built by the Anglo-Australian Observato...
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10 A Brief History of Atomic Clocks at NIST 开放资源 馆员登记
  Part of the About.com site, this timeline describes the development of atomic clocks from 1945 when Isidor Rabi, a physics professor at Columbia University, suggested that such a c...
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