QQ客服 官方微博 反馈留言

浏览/检索结果: 共7条，第1-7条 帮助 限定条件 发表日期：2019     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择发表日期升序发表日期降序提交时间升序提交时间降序题名升序题名降序作者升序作者降序 Coupled delta Ca-44/40, delta Sr-88/86, and Sr-87/Sr-86 geochemistry across the end-Permian mass extinction event 期刊论文 GEOCHIMICA ET COSMOCHIMICA ACTA, 2019, 卷号: 262, 页码: 143-165 作者:  Wang, Jiuyuan;  Jacobson, Andrew D.;  Zhang, Hua （张华）;  Ramezani, Jahandar;  Sageman, Bradley B. 收藏  |  浏览/下载：8/0  |  提交时间：2019/12/18 Calcium isotopes  Radiogenic Sr isotopes  Stable Sr isotopes  end-Permian  Chemical weathering  Diagenesis   Evidence for early impact on a hot differentiated planetesimal from Al-rich micro-inclusions in ungrouped achondrite Northwest Africa 7325 期刊论文 GEOCHIMICA ET COSMOCHIMICA ACTA, 2019, 卷号: 258, 页码: 310-335 作者:  Yang, Jing;  Zhan, Chi;  Miyahara, Masaaki;  Tan, Xu;  Gu, Lixin 收藏  |  浏览/下载：63/0  |  提交时间：2019/07/29 NWA 7325  micro-inclusions  impact melt  hot planetesimal   Geochemistry of upper Permian siliceous rocks from the Lower Yangtze region, southeastern China: implications for the origin of chert and Permian ocean chemistry 期刊论文 PETROLEUM SCIENCE, 2019, 卷号: 16, 期号: 2, 页码: 252-266 作者:  Liao, Zhi-Wei;  Hu, Wen-Xuan;  Fu, Xiu-Gen;  Hu, Zhong-Ya 收藏  |  浏览/下载：59/0  |  提交时间：2019/05/22 Lower Yangtze region  Da-long Formation  Siliceous rock  Biological chert  Volcanism   Climatic and oceanic changes during the Middle-Late Ordovician transition in the Tarim Basin, NW China and implications for the Great Ordovician Biodiversification Event 期刊论文 PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 2019, 卷号: 514, 页码: 522-535 作者:  Liu, Mu;  Chen, Daizhao;  Zhou, Xiqiang;  Yuan, Wei;  Jiang, Maosheng 收藏  |  浏览/下载：66/0  |  提交时间：2019/03/04 Mercury concentration  Volcanism  Black shale  Great Ordovician Biodiversity Event  Middle-Late Ordovician  Tarim Basin   Cost-effective mid-infrared micropolarizer fabricated on common silicon by soft nanoimprint lithography 期刊论文 APPLIED OPTICS, 2019, 卷号: 58, 页码: 4139-4142 作者:  Zeng, Xiangwei;  Chu, Jinkui;  Kang, Weidong;  Wu, Qinming;  Zhan, Ran 收藏  |  浏览/下载：25/0  |  提交时间：2019/12/02 Cost effectiveness  Fabrication  Silica  Silicon  Silicon oxides  Substrates  Thermal evaporation, Cost effective  Extinction ratios  Midinfrared  Nanoimprint process  Si substrates  Silicon substrates  Transverse magnetic, Nanoimprint lithography   On-chip single-mode high-Q terahertz whispering gallery mode resonator 期刊论文 OPTICS LETTERS, 2019, 卷号: 44, 页码: 2835-2838 作者:  Wang, Ziwei;  Yuan, Shixing;  Dong, Gaoneng;  Wang, Ruolan;  Chen, Liao 收藏  |  浏览/下载：89/0  |  提交时间：2019/12/30 Optical resonators  Q factor measurement  Silicon wafers  Devices and systems  Effective approaches  Extinction ratios  Float zone silicon  Particle distance  Sensitive sensors  THz communications  Whispering gallery mode resonator  Whispering gallery modes   Mercury in marine Ordovician/Silurian boundary sections of South China is sulfide-hosted and non-volcanic in origin 期刊论文 Earth and Planetary Science Letters, 2019, 卷号: 511, 页码: 130-140 作者:  Jun Shen;  Thomas J. Algeo;  Jiubin Chen;  Noah J. Planavsky;  Qinglai Feng;   Jianxin Yu;  Jinling Liu 收藏  |  浏览/下载：1/0  |  提交时间：2020/12/04 Volcanism  mass Extinction  black Shale  pyrite  anoxia  mercury Isotopes