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Rising silicon-rich snow in the Earth's outer core 科技资讯
2023
收藏  |  浏览/下载:8/0  |  提交时间:2023/02/18
You thought the oil spill was bad? In LA, toxic waste is everywhere 科技资讯
2021
收藏  |  浏览/下载:15/0  |  提交时间:2021/10/14
Taro Takahashi (1930–2019) 科技资讯
2020
收藏  |  浏览/下载:1/0  |  提交时间:2020/03/16
Sustainable 3D-Printed Super Magnets 科技资讯
2020
收藏  |  浏览/下载:2/0  |  提交时间:2020/02/04
What does Earth's core have in common with salad dressing? Maybe this 科技资讯
2019
收藏  |  浏览/下载:3/0  |  提交时间:2019/05/07
U.S. quest for minerals leads to a remote nation surrounded by adversaries 科技资讯
2019
收藏  |  浏览/下载:0/0  |  提交时间:2023/08/01
Rare earth element mineral deposits in the United States 科技报告
报告编号: 70202819, 页数: 24, 2019
作者:  Van Gosen, Bradley S. bvangose@usgs.gov;  Verplanck, Philip L.;  Emsbo, Poul
Adobe PDF(28810Kb)  |  收藏  |  浏览/下载:12/3  |  提交时间:2019/11/06
Soil mineralogy and geochemistry along a north-south transect in Alaska and the relation to source-rock terrane 科技报告
报告编号: 70204649, 页数: 27, 2019
作者:  Wang, Bronwen;  Hults, Chad P. chults@usgs.gov;  Eberl, Dennis D.;  Woodruff, Laurel G. woodruff@usgs.gov;  Cannon, William F. wcannon@usgs.gov;  Gough, Larry P. lgough@usgs.gov
Adobe PDF(6985Kb)  |  收藏  |  浏览/下载:65/35  |  提交时间:2019/11/06
Titanium mineral resources in heavy-mineral sands in the Atlantic coastal plain of the southeastern United States 科技报告
报告编号: 70196106, , 2018
作者:  Van Gosen, Bradley S. bvangose@usgs.gov;  Ellefsen, Karl J. ellefsen@usgs.gov
Adobe PDF(19948Kb)  |  收藏  |  浏览/下载:5/2  |  提交时间:2019/11/06
Status and understanding of groundwater quality in the Monterey-Salinas Shallow Aquifer Study Unit, 2012–13: California GAMA Priority Basin Project 科技报告
报告编号: 70196624, 页数: 132, 2018
作者:  Burton, Carmen A. caburton@usgs.gov;  Wright, Michael mtwright@usgs.gov
Adobe PDF(36645Kb)  |  收藏  |  浏览/下载:57/19  |  提交时间:2019/11/06