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Is the United States Having an ‘Arctic Moment’ on Icebreaker Acquisition? 科技报告
来源:Center for Strategic & International Studies. 出版年: 2020
作者:  Heather A. Conley;  Max Shafron
收藏  |  浏览/下载:7/0  |  提交时间:2020/06/16
Deep Freeze: The Arctic's Role on the Asia Chessboard with Heather Conley 科技报告
来源:Center for Strategic & International Studies. 出版年: 2020
作者:  admin
收藏  |  浏览/下载:11/0  |  提交时间:2020/05/13
Study of the Role of Terrestrial Processes in the Carbon Cycle Based on Measurements of the Abundance and Isotopic Composition of Atmospheric CO2 科技报告
来源:US Department of Energy (DOE). 出版年: 2012
作者:  Piper, Stephen C;  Keeling, Ralph F
收藏  |  浏览/下载:4/0  |  提交时间:2019/04/05
CO2  atmospheric carbon dioxide  carbon and oxygen isotopes of CO2  global carbon cycle  terrestrial biosphere  fossil fuel emissions  ocean carbon sources and sinks