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美国审计署建议修订国家战略以应对关键矿产供应风险 快报文章
地球科学快报,2022年第13期
作者:  张树良
Microsoft Word(15Kb)  |  收藏  |  浏览/下载:731/0  |  提交时间:2022/07/10
critical minerals  critical minerals recovery and substitution  critical minerals national strategy  GAO  
Oxygen Vacancy Substitution Linked to Ferric Iron in Bridgmanite at 27 GPa 期刊论文
GEOPHYSICAL RESEARCH LETTERS, 2020, 47 (6)
作者:  Fei, Hongzhan;  Liu, Zhaodong;  McCammon, Catherine;  Katsura, Tomoo
收藏  |  浏览/下载:8/0  |  提交时间:2020/07/02
bridgmanite  ferric iron  oxygen vacancy substitution  charge-coupled substitution  lower mantle  
Resolving Drivers of a Spatial Gradient in Evapotranspiration Through the Simulated Translocation of Landscape Factors 期刊论文
WATER RESOURCES RESEARCH, 2020, 56 (2)
作者:  Jepsen, S. M.;  Harmon, T. C.
收藏  |  浏览/下载:5/0  |  提交时间:2020/07/02
evapotranspiration  runoff  climate warming  space-for-time substitution  elevation  soil type  
The repertoire of mutational signatures in human cancer 期刊论文
NATURE, 2020, 578 (7793) : 94-+
作者:  Ciurlo, Anna;  39;Neil, Kelly Kosmo
收藏  |  浏览/下载:7/0  |  提交时间:2020/07/03

Somatic mutations in cancer genomes are caused by multiple mutational processes, each of which generates a characteristic mutational signature(1). Here, as part of the Pan-Cancer Analysis of Whole Genomes (PCAWG) Consortium(2) of the International Cancer Genome Consortium (ICGC) and The Cancer Genome Atlas (TCGA), we characterized mutational signatures using 84,729,690 somatic mutations from 4,645 whole-genome and 19,184 exome sequences that encompass most types of cancer. We identified 49 single-base-substitution, 11 doublet-base-substitution, 4 clustered-base-substitution and 17 small insertion-and-deletion signatures. The substantial size of our dataset, compared with previous analyses(3-15), enabled the discovery of new signatures, the separation of overlapping signatures and the decomposition of signatures into components that may represent associated-but distinct-DNA damage, repair and/or replication mechanisms. By estimating the contribution of each signature to the mutational catalogues of individual cancer genomes, we revealed associations of signatures to exogenous or endogenous exposures, as well as to defective DNA-maintenance processes. However, many signatures are of unknown cause. This analysis provides a systematic perspective on the repertoire of mutational processes that contribute to the development of human cancer.


  
How does the implementation of the Policy of Electricity Substitution influence green economic growth in China? 期刊论文
ENERGY POLICY, 2019, 131: 251-261
作者:  Wu, Wanlu;  Cheng, Yuanyuan;  Lin, Xiqiao;  Yao, Xin
收藏  |  浏览/下载:7/0  |  提交时间:2019/11/27
Green economic growth  Electricity substitution policy  Input-output (IO)  
Energy demand substitution from biomass to imported kerosene: Evidence from Tanzania 期刊论文
ENERGY POLICY, 2019, 130: 243-252
作者:  Olabisi, Michael;  Tschirley, David L.;  Nyange, David;  Awokuse, Titus
收藏  |  浏览/下载:4/0  |  提交时间:2019/11/27
Energy substitution  Cooking fuel  Tanzania  
Investigating CO2 mitigation potentials and the impact of oil price distortion in China's transport sector 期刊论文
ENERGY POLICY, 2019, 130: 320-327
作者:  Wang, Xiaolei;  Bai, Mengqi;  Xie, Chunping
收藏  |  浏览/下载:6/0  |  提交时间:2019/11/27
Oil price distortion  Substitution elasticity  CO2 mitigation potential  China'  s transport sector  
The improvement and substitution effect of transportation infrastructure on air quality: An empirical evidence from China's rail transit construction 期刊论文
ENERGY POLICY, 2019, 129: 949-957
作者:  Sun, Chuanwang;  Zhang, Wenyue;  Luo, Yuan;  Xu, Yonghong
收藏  |  浏览/下载:6/0  |  提交时间:2019/11/26
Air quality index  Rail transit construction  Substitution effect  Road reconstruction  Improvement effect  
Effects of Reforestation of a Degraded Imperata Grassland on Dominant Flow Pathways and Streamflow Responses in Leyte, the Philippines 期刊论文
WATER RESOURCES RESEARCH, 2019, 55 (5) : 4128-4148
作者:  van Meerveld, H. J. (Ilja);  Zhang, Jun;  Tripoli, Roger;  Bruijnzeel, L. Adrian
收藏  |  浏览/下载:8/0  |  提交时间:2019/11/26
tropical reforestation  runoff generation mechanisms  hydrograph separation  electrical conductivity  stable isotopes  space-for-time substitution  
Evaluating ecosystem effects of climate change on tropical island streams using high spatial and temporal resolution sampling regimes 期刊论文
GLOBAL CHANGE BIOLOGY, 2019, 25 (4) : 1344-1357
作者:  Frauendorf, Therese C.;  MacKenzie, Richard A.;  Tingley, Ralph W., III;  Frazier, Abby G.;  Riney, Michael H.;  El-Sabaawi, Rana W.
收藏  |  浏览/下载:7/0  |  提交时间:2019/04/09
Hawaii  macroinvertebrate biomass  organic matter  precipitation gradient  resource quality  space-for-time substitution  streamflow