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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 |