PHASE-CONTRAST

作品数：20被引量：16H指数：3
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相关领域：医药卫生更多>>
相关作者：包如意更多>>
相关机构：北京大学第一医院大连医科大学更多>>
相关期刊：《Chinese Medical Journal》《外科研究与新技术（中英文）》《Light(Science & Applications)》《Chinese Journal of Biomedical Engineering(English Edition)》更多>>
相关基金：国家自然科学基金天津市自然科学基金教育部留学回国人员科研启动基金上海市自然科学基金更多>>
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Dehydration of plant cells shoves nuclei rotation allowing for 3D phase-contrast tomography被引量：1
《Light(Science & Applications)》2021年第10期1889-1904,共16页Zhe Wang Vittorio Bianco Daniele Pirone Pasquale Memmolo Massimiliano Maria Villone Pier Luca Maffettone Pietro Ferraro 
Single-cell phase-contrast tomography promises to become decisive for studying 3D intracellular structures in biology.It involves probing cells with light at wide angles,which unfortunately requires complex systems.He...
关键词：ROTATION HOLOGRAPHIC phase 
Efficient three-dimensional characterization of C/C composite reinforced with densely distributed fibers via X-ray phase-contrast microtomography被引量：4
《Chinese Optics Letters》2021年第7期99-104,共6页Ke Li Yantao Gao Haipeng Zhang Guohao Du Hefei Huang Hongjie Xu Tiqiao Xiao 
supported by the National Key Research and Development Program of China (Nos.2017YFA0206004,2017YFA0206002, 2018YFC1200204, and 2017YFA0403801);the National Natural Science Foundation of China(NSFC)(No.81430087)。
Carbon fiber(CF)/pyrolytic graphite(PG) composites are promising structural materials for molten salt reactors because of their superior performance.Due to the minor density difference between CF and PG, existing meth...
关键词：X-ray imaging C/C composite 3D characterization 
Enhanced quantitative X-ray phase-contrast images using Foucault differential filters
《Chinese Optics Letters》2017年第8期44-47,共4页Jaeho Choi Young-Sung Park 
supported by the research fund of Dankook University(No.R000122495)
Several X-ray phase visualization methods are being real- ized for imaging of phase objects, such as biological and polymeric specimens. Grating-based phase-contrast imaging using a source-grating-attached X-ray tube ...
关键词：real Enhanced quantitative X-ray phase-contrast images using Foucault differential filters FDF 
Hemodynamic analysis of intracranial aneurysms using phase-contrast magnetic resonance imaging and computational fluid dynamics被引量：3
《Acta Mechanica Sinica》2017年第2期472-483,共12页Xuemei Zhao Rui Li Yu Chen Sheau Fung Sia Donghai Li Yu Zhang Aihua Liu 
supported by the Independent Research Fund of Tsinghua University (Grant 20141081265)
Additional hemodynamic parameters are highly desirable in the clinical management of intracranial aneurysm rupture as static medical images cannot demonstrate the blood flow within aneurysms. There are two ways of obt...
关键词：PCMRI CFD WSSD OSI Aneurysm rupture 
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 
Quantitative analysis of intraspinal cerebrospinal fluid flow in normal adults
《Neural Regeneration Research》2012年第15期1164-1169,共6页Leka Yan Huaijun Liu Hua Shang 
The present study quantitatively analyzed intraspinal cerebrospinal fluid flow patterns in 19 normal adults using fast cine phase-contrast magnetic resonance imaging. Results showed increased downward flow velocity an...
关键词：cerebrospinal fluid fast cine phase-contrast magnetic resonance imaging flow thoracic spinalcanal quantitative subarachnoid space neural regeneration 
Cerebrospinal fluid flow in empty sella syndrome and normal sellar regions measured by phase-contrast quantitative magnetic resonance被引量：1
《Neural Regeneration Research》2011年第11期816-820,共5页Weidong HU Li Xiang Xiurong Wang 
Science and Technology Project of Longgang District in Shenzhen, No. YW2007044, YLL2010064
We used MRI to examine 38 healthy females and 38 female patients with empty sella syndrome. Cerebrospinal fluid flow was examined in six regions of interest, including the anterior clinoid processes, posterior clinoid...
关键词：cerebrospinal fluid magnetic resonance imaging empty sella syndrome cardiac cycle neuroimaging 
Visibility in differential phase-contrast imaging with partial coherence source被引量：3
《Chinese Physics B》2007年第6期1632-1636,共5页刘鑫 郭金川 彭翔 牛憨笨 
This paper gives theoretical analysis of visibility of fringes, which is influenced by distances, temporal and spatial coherence of source, in hard x-ray differential phase-contrast imaging with microfocus x-ray sourc...
关键词：VISIBILITY differential phase-contrast interference fringes phase grating 
Instability of Solution of Phase Retrieval in Direct Diffraction Phase-Contrast Imaging with Partially Coherent X-Ray Source
《Chinese Physics Letters》2006年第12期3259-3262,共4页郭华 韩申生 
Supported by the Natural Science Foundation of Shanghai under Grant No 04ZR14146 and the National Natural Science Foundation of China under Grant No 60477007.
The theoretical model of direct diffraction phase-contrast imaging with partially coherent x-ray source is expressed by an operator of multiple integral. It is presented that the integral operator is linear. The probl...
关键词：RECONSTRUCTION ALGORITHMS RECURSIVE ALGORITHM INTENSITY MAGNITUDE OBJECTS SYSTEM 
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