国家自然科学基金(11205189)

作品数:9被引量:9H指数:2
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相关作者:张凯朱佩平吴自玉袁清习黄万霞更多>>
相关机构:中国科学技术大学中国科学院中国科学院大学更多>>
相关期刊:《Chinese Physics B》《中国科学技术大学学报》《物理学报》《生命科学》更多>>
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基于X射线相衬成像技术的光栅品质无损检测(英文)
《中国科学技术大学学报》2016年第8期642-651,共10页张灿 王圣浩 韩华杰 杨萌 邵其刚 胡仁芳 高昆 刘刚 
Supported by the Major State Basic Research Development Program(2012CB825800);the Science Fund for Creative Research Groups(11321503);the Knowledge Innovation Program of the Chinese Academy of Sciences(KJCX2-YWN42);the National Natural Science Foundation of China(11179004,10979055,11205189,and 11205157);the Fundamental Research Funds for the Central Universities(WK2310000021)
提出了一种基于X射线光栅像衬成像技术的光栅品质无损检测方法.我们发现利用传统的吸收信号很容易检测到光栅电镀缺陷,而由非均匀紫外曝光导致的光栅缺陷则可以通过相衬信号进行检测.实验结果证明,在一种利用实验室光源同时产生吸收信...
关键词:X射线相衬成像 无损检测 光栅品质 工业运用 
Preliminary research on dual-energy X-ray phase-contrast imaging
《Chinese Physics C》2016年第4期141-148,共8页韩华杰 王圣浩 高昆 王志立 张灿 杨萌 张凯 朱佩平 
Supported by Major State Basic Research Development Program(2012CB825800);Science Fund for Creative Research Groups(11321503);National Natural Science Foundation of China(11179004,10979055,11205189,11205157)
Dual-energy X-ray absorptiometry(DEXA) has been widely applied to measure the bone mineral density(BMD) and soft-tissue composition of the human body. However, the use of DEXA is greatly limited for lowZ materials...
关键词:DEXA refraction replace grating pixel Talbot sorption downstream precise listed 
Experimental research on the feature of an x-ray Talbot–Lau interferometer versus tube accelerating voltage被引量:3
《Chinese Physics B》2015年第6期673-678,共6页王圣浩 Margie P.Olbinado Atsushi Momose 韩华杰 胡仁芳 王志立 高昆 张凯 朱佩平 吴自玉 
Project supported by the Major State Basic Research Development Program of China(Grant No.2012CB825800);the Science Fund for Creative Research Groups,China(Grant No.11321503);the National Natural Science Foundation of China(Grant Nos.11179004,10979055,11205189,and 11205157);the Japan–Asia Youth Exchange Program in Science(SAKURA Exchange Program in Science)Administered by the Japan Science and Technology Agency
X-ray Talbot-Lau interferometer has been used most widely to perform x-ray phase-contrast imaging with a con- ventional low-brilliance x-ray source, and it yields high-sensitivity phase and dark-field images of sample...
关键词:x-ray Talbot-Lau interferometer x-ray imaging PHASE-CONTRAST tube accelerating voltage x-ray tube 
A user-friendly nano-CT image alignment and 3D reconstruction platform based on Lab VIEW
《Chinese Physics C》2015年第1期103-108,共6页王圣浩 张凯 王志立 高昆 吴朝 朱佩平 吴自玉 
Supported by Major State Basic Research Development Program(2012CB825800);Science Fund for Creative Research Groups(11321503);Knowledge Innovation Program of The Chinese Academy of Sciences(KJCX2-YW-N42);National Natural Science Foundation of China(11179004,10979055,11205189,11205157);Fundamental Research Funds for the Central Universities(WK2310000021)
X-ray computed tomography at the nanometer scale (nano-CT) offers a wide range of applications in scientific and industrial areas. Here we describe a reliable, user-friendly, and fast software package based on LabVI...
关键词:nano-CT image alignment 3D reconstruction LABVIEW 
DEIReconstructor:a software for diffraction enhanced imaging processing and tomography reconstruction
《Chinese Physics C》2014年第10期48-55,共8页张凯 袁清习 黄万霞 朱佩平 吴自玉 
Supported by National Basic Research Program of China(2012CB825800);National Natural Science Foundation of China(11205189,11375225,81271574,U1332109);Knowledge Innovation Program of Chinese Academy of Sciences(KJCX2-YW-N42)
Diffraction enhanced imaging (DEI) has been widely applied in many fields, especially when imaging low-Z samples or when the difference in the attenuation coefficient between different regions in the sample is too s...
关键词:X-ray imaging computed tomography synchrotron radiation source image processing 
二维光栅角度信号响应函数研究
《物理学报》2014年第7期391-401,共11页鞠在强 王研 鲍园 李盼云 朱中柱 张凯 黄万霞 袁清习 朱佩平 吴自玉 
国家重点基础研究专项经费(批准号:2012CB825800);国家自然科学基金(批准号:11205189,11375225,U1332109);中科院知识创新项目(批准号:KJCX2-YW-N42)资助的课题~~
本文在平行相干光照明条件下,推导出了二维光栅剪切成像系统的角度信号响应函数,并描绘出了角度响应函数二维曲面.虽然光栅剪切成像系统常用的分束光栅有四种,分析光栅有三种,分析光栅和分束光栅之间还存在多种不同组合,但是产生的角度...
关键词:光栅剪切成像 相位衬度成像 位移曲面 位移曲线 
X射线成像技术在昆虫形态学研究中的应用被引量:1
《生命科学》2013年第8期771-778,共8页李德娥 张凯 朱佩平 吴自玉 周红章 
国家重点基础研究发展计划(2009CB93-0804;2012CB825800);国家自然科学基金青年基金(11205189);国家自然科学基金面上项目(31272358);中科院知识创新工程重要方向项目(KSCX2-EW-Z-5);中国科学院昆士兰州生物计划(GJHZ1130)
传统昆虫形态学研究方法对昆虫样品内外部三维信息不能进行无损的观察,严重阻碍了昆虫形态学等相关学科的发展。近年来伴随着X射线断层成像和相位衬度成像等相关X射线成像技术的发展,高分辨的、无损的观察不同尺度昆虫样品的三维形态结...
关键词:X射线断层成像技术 昆虫 3D 动态 
Penetrating view of nano-structures in Aleochara verna spermatheca and flagellum by hard X-ray microscopy被引量:2
《Chinese Physics B》2013年第7期410-414,共5页张凯 李德娥 洪友丽 朱佩平 袁清习 黄万霞 高昆 周红章 吴自玉 
the National Basic Research Program of China(Grant Nos.2012CB825800 and 2009CB930804);the Key Program of the National Natural Science Foundation of China(Grant Nos.10734070 and 10774144);the National Natural Science Foundation of China(Grant Nos.11205189,10979055,31071909,and 31272358);the Knowledge Innovation Program of the Chinese Academy of Sciences(Grant No.KJCX2-YW-N42)
A penetrating view of the three-dimensional nanostructure of female spermatheca and male flagellum in the species Aleochara verna is obtained with 100-nm resolution using a hard X-ray microscope, which provides a fast...
关键词:X-ray microscopy computed tomography synchrotron radiation source morphology 
衍射增强成像提取多种信息的简便方法研究被引量:3
《物理学报》2013年第12期247-253,共7页赵雪娇 张凯 洪友丽 黄万霞 袁清习 朱佩平 吴自玉 
国家重点基础研究发展计划(批准号:2009CB930804;2012CB825800);国家自然科学基金重大项目(批准号:10734070;10774144);国家自然科学基金(批准号:11205189;10979055;31071909);中国科学院知识创新工程重要方向性项目(批准号:KJCX2-YW-N42)~~
衍射增强相位衬度成像中的信息分离研究一直以来都是相关研究人员重点关注的方向之一.本文在利用余弦函数拟合衍射增强成像中的摇摆曲线的基础上,推导出了峰位像、左腰像和右腰像的余弦函数表达式以及吸收像、折射角像和散射角方差像的...
关键词:衍射增强成像 相位衬度成像 样品信息提取 
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