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农村公共物品供给的议程困境及其应对——以浙江甬村为案例的小集体分成付费制度研究 期刊论文
2016, 2016
汪吉庶; 张汉; Wang Jishu; Zhang Han
收藏  |  浏览/下载：3/0
Studies on Mixed Metal Oxide Pigments 其他
2011-01-01
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收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03
Penetrating Skull Wound Due to a Pair of Scissors in a Child 会议论文
中华医学会神经外科学分会第九次学术会议, 2010-09-10
作者:  郭毅[1];  史彦芳[2];  李春晖[3];  丁亚楠[4]
收藏  |  浏览/下载：4/0  |  提交时间：2019/12/21
Imaging quality analysis of KBA x-ray microscope working at grazing incidence (EI CONFERENCE) 会议论文
Optical Design and Testing II, November 8, 2004 - November 11, 2004, Beijing, United states
Hu J.; Zhao L.; Li X.; Wu X.; Bai Y.
收藏  |  浏览/下载：16/0  |  提交时间：2013/03/25
In the latest 20 years  x-ray imaging technology has developed fast in order to meet the need of x-ray photo-etching  spatial exploration technology  high-energy physics  procedure diagnosis of inertial confinement fusion (ICF) et al. Since refractive index of materials in the x-ray region is lower than 1  and x-ray is strongly absorbed by materials  it is very difficult to image objects in the x-ray region. Conventional imaging methods are hardly suitable to x-ray range. In general  grazing reflective imaging and coding aperture imaging methods have been adopted more and more. In this paper  according to user's requirement  we have designed a non-coaxial grazing KBA microscope. The microscope consists of two sets of perpendicular spherical mirrors  each set includes two parallel mirrors. Taking it as an example  we have compiled an optical computing program for the non-coaxial grazing imaging systems so as to analyze and evaluate aberrations of KBA microscope. Thus it can help us to get an optimal comprehension of KBA x-ray imaging system. In the same time  the analytical results provide reliable foundation for evaluating imaging quality of KBA microscope.  
春日巴黎 期刊论文
英语知识, 2005, 页码: 16-17
作者:  刘金龙[1]
收藏  |  浏览/下载：3/0  |  提交时间：2019/05/10
An Effective Method to Increase Sensitivity and Stability of the Integrated Gas Sensor with Sensing Film Annealing at Higher Temperature 其他
2001-01-01
Gui-zhen Yan; Yang-yuan Wang
收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03
如何理解和使用more than结构 期刊论文
1997, 期号: 1, 页码: 76
作者:  吴越民[1]
收藏  |  浏览/下载：1/0  |  提交时间：2019/12/30
分裂式定语从句初探 期刊论文
1986, 期号: 04, 页码: 40-44
作者:  冯天方[1]
收藏  |  浏览/下载：0/0  |  提交时间：2019/12/29
MEASUREMENTS OF DENSITY OF LOCALIZED STATES IN a-Si_xC_(1-x): H FILMS USING THE FIELD EFFECT METHOD 期刊论文
Science Bulletin, 1985, 期号: 2, 页码: 278-279
作者:  Wang YY(王印月);  Zhang FQ(张仿清);  Guo HL(郭华林);  Chen GH(陈光华)
收藏  |  浏览/下载：0/0  |  提交时间：2015/06/24

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