中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
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浏览/检索结果: 共8条,第1-8条 帮助

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High-precision Determination of Gold Mass Fractions in Geological Reference Materials by Internal Standardisation 期刊论文  OAI收割
GEOSTANDARDS AND GEOANALYTICAL RESEARCH, 2019, 页码: 18
作者:  
Cheng, Huai;  Wang, Zaicong;  Chen, Kang;  Zong, Keqing;  Zou, Zongqi
  |  收藏  |  浏览/下载:67/0  |  提交时间:2019/10/14
The strength-ductility balance of Al0.4CoCu0.6NiTix (x <= 1.0) and Al0.4CoCu0.6NiSi0.2Tix (x <= 0.5) high entropy alloys by regulating the proportion of Ti and improving the cooling rate 期刊论文  OAI收割
VACUUM, 2018, 卷号: 155, 页码: 270-279
作者:  
Chen, YX;  Zhu, S;  Wang, XM;  Yang, BJ;  Ren, ZQ
  |  收藏  |  浏览/下载:47/0  |  提交时间:2018/12/25
The strength-ductility balance of Al0.4CoCu0.6NiTix (x <= 1.0) and Al0.4CoCu0.6NiSi0.2Tix (x <= 0.5) high entropy alloys by regulating the proportion of Ti and improving the cooling rate 期刊论文  OAI收割
VACUUM, 2018, 卷号: 155, 页码: 270-279
作者:  
Chen, Yongxing;  Zhu, Sheng;  Wang, Xiaoming;  Yang, Baijun;  Ren, Zhiqiang
  |  收藏  |  浏览/下载:16/0  |  提交时间:2021/02/02
The strength-ductility balance of Al0.4CoCu0.6NiTix (x <= 1.0) and Al0.4CoCu0.6NiSi0.2Tix (x <= 0.5) high entropy alloys by regulating the proportion of Ti and improving the cooling rate 期刊论文  OAI收割
VACUUM, 2018, 卷号: 155, 页码: 270-279
作者:  
Chen, Yongxing;  Zhu, Sheng;  Wang, Xiaoming;  Yang, Baijun;  Ren, Zhiqiang
  |  收藏  |  浏览/下载:22/0  |  提交时间:2021/02/02
Microstructure and properties of TP2 copper tube with La microalloying by horizontal continuous casting 期刊论文  OAI收割
CHINA FOUNDRY, 2018, 卷号: 15, 期号: 1, 页码: 31-36
作者:  
Wu, JH;  Zhang, SH;  Chen, Y;  Li, HH;  Song, HW
  |  收藏  |  浏览/下载:23/0  |  提交时间:2018/06/05
Theoretical Mechanistic Study of Nickel(0)Lewis Acid Catalyzed Polyfluoroarylcyanation of Alkynes Origin of Selectivity for C-CN Bond Activation 期刊论文  OAI收割
Organometallics, 2018, 卷号: 37, 期号: 15, 页码: 2594-2601
作者:  
Ren, H.;  Du, G. F.;  Zhu, B.;  Yang, G. C.;  Yao, L. S.
  |  收藏  |  浏览/下载:20/0  |  提交时间:2019/09/17
Effects of lanthanum addition on microstructure and mechanical properties of as-cast pure copper 期刊论文  OAI收割
Journal of Rare Earths, 2014, 卷号: 32, 期号: 11, 页码: 1056-1063
Y. Chen; M. Cheng; H. W. Song; S. H. Zhang; J. S. Liu; Y. Zhu
收藏  |  浏览/下载:25/0  |  提交时间:2015/01/14
Design of optical elements for imaging the earth's plasmasphere (EI CONFERENCE) 会议论文  OAI收割
International Symposium on Photoelectronic Detection and Imaging, ISPDI 2007: Optoelectronic System Design, Manufacturing, and Testings, September 9, 2007 - September 12, 2007, Beijing, China
作者:  
Chen B.;  Chen B.
收藏  |  浏览/下载:32/0  |  提交时间:2013/03/25
Studying the distribution of He+ in Earth's plasmasphere by detecting its resonantly-scattered emission at 304A will record the structure and dynamics of the cold plasma in Earth's plasmasphere on a global scale. EUV imaging systems usually utilizes near normal incidence optics including multilayer mirror and filter. In this paper  the space condition of the Earth's plasmasphere to confirm the expected performance of mirror and filter for this task were analyzed and some guidelines for the design of the optical elements were introduced. In order to achieve higher response at 304A and reduce 584A radiation for the optical system  a new multilayer coating of Mo/Si with UOx (x=2-3) was developed  and it is indicated that promising filter material is Al/C with a nickel mesh. In addition  we compute the reflectance of multilayer mirror based on optical constants and the transmission of the filter based on atomic scattering factor. The results show the multilayer mirror has high reflectance of 26.27% at 304 Aand low reflectance of 0.60% at 584A. Finally  the conversion efficiency of mirror coupled with filter is 6.88% at 304A and 0.01% at 584 A.