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近代物理研究所 [8]
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会议论文 [28]
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Radiation Effect on the Electron Transport Properties of SiO2/Si Interface: Role of Si Dangling-Bond Defects and Oxygen Vacancy
会议论文
作者:
Qu, Guanghao
;
Min, Daomin
;
Zhao, Zhonghua
;
Frechette, Michel
;
Li, Shengtao
收藏
  |  
浏览/下载:17/0
  |  
提交时间:2019/11/19
electronic structure
radiation damage
dangling-bonds defects
SiO2/Si
first principle calculation
interface
oxygen vacancy
First-principles investigation of the energetics of point defects at a grain boundary in tungsten
会议论文
13th International Conference on Computer Simulation of Radiation Effects in Solids (COSIRES), Loughborough Univ, Loughborough, ENGLAND, 2017-02-15
作者:
Chai, Jun
;
Li, Yu-Hao
;
Niu, Liang-Liang
;
Qin, Shi-Yao
;
Zhou, Hong-Bo
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2019/12/30
Tungsten
Grain boundary
Point defects
First-principles
Atomistic interaction between grain boundaries and radiation-induced point defects in hcp titanium.
会议论文
THE 6th INTERNATIONAL CONFERENCE ON COMPUTATIONAL METHODS (ICCM2015)
作者:
Yao M(姚曼)
;
Wang XD(王旭东)
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2019/12/09
Laser induced bulk damage of KDP crystals prepared by rapid growth
会议论文
conference on pacific rim laser damage (pld) on optical materials for high power lasers
作者:
Zhao, Yuan'an
;
Wang, Yueliang
;
Hu, Guohang
;
Shao, Jianda
;
Chang, Junxiu
收藏
  |  
浏览/下载:18/0
  |  
提交时间:2016/11/28
Characterization of dislocations and sub-grain boundaries in mixed rare earth orthovanadate of Yb:YxLu1-xVO4
会议论文
6th International Symposium on Laser, Scintillator and Non Linear Optical Materials (ISLNOM), OCT 20-23, 2013
作者:
Zhong, Degao
;
Teng, Bing
;
Cao, Lifeng
;
Fei, You
;
Zhang, Shiming
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2019/12/31
Rare earth orthovanadate
White-beam synchrotron radiation topography
Defects
Chemical etching
The application of adaptive enhancement algorithm based on gray entropy in mammary gland CR image (EI CONFERENCE)
会议论文
2012 2nd International Conference on Consumer Electronics, Communications and Networks, CECNet 2012, April 21, 2012 - April 23, 2012, Three Gorges, China
Zhang M.-H.
;
Zhang Y.-Y.
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  |  
浏览/下载:24/0
  |  
提交时间:2013/03/25
Mammary gland is composed entirely of soft tissue with approximate density
therefore mammary gland CR medicine radiation image presents a low contrast
and slight difference changes may be a manifestation of tumor
so it is necessary to enhance mammary gland CR image to improve its visual quality in order to meet the demands of doctor's clinical diagnosis. However the general enhancement algorithms over enhance the contrast and noise
due to image details lost
aiming at the defects
a mammary gland CR medicine image adaptive enhancement arithmetic based on image gray entropy is put forward. The arithmetic adapts dizzy image to magnify selected spatial frequency response in order to enhance the edge details of mammary gland CR images. It can adjust weighted factor K according to image gray characteristics namely pixel gray entropy. Experiments results demonstrate that mammary gland CR image enhanced by the algorithm has abundant details and high signal-to-noise ratio
moreover
CR image enhanced has good visual effect. So the method is effective and fit for enhancing CR medical radiation image edge details. 2012 IEEE.
The research of digltal CR medicine image adapitive enhancement method (EI CONFERENCE)
会议论文
4th International Conference on Mechanical and Electrical Technology, ICMET 2012, July 24, 2012 - July 26, 2012, Kuala Lumpur, Malaysia
Ming-Hui Z.
;
Yao-Yu Z.
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  |  
浏览/下载:52/0
  |  
提交时间:2013/03/25
Digital CR medicine radiation image is in doctor's favor and has became medicine imaging technology new hot spot because of its high gray contrast
powerful computer disposal function
little radiation dosage
non-film diagnosis
different area consultation. But degradation of digital X-ray medical image such as low contrast and blurring during radiographic imaging
caused by complexity of body tissue and effects of X-ray scattering and electrical noise etc.
can worsen the results of analysis and diagnosis. So it is usually needed that CR medicine image is enhanced to improve its vision quality
and easy to doctor's more accurate diagnosis. The general enhancement algorithms over enhancing the contrast and lose image details
aiming at the defects
an enhancement algorithm for CR image is proposed based on the ratio of deviation to mean of domain. The arithmetic enhance CR image edge details by adjusting factor K based on the ratio of deviation to mean of domain of CR image. Experiment results demonstrate that the algorithm enhances CR image detail and CR image enhanced has good visual effect
the adaptive enhancement method is fit for CR medicine image. (2012) Trans Tech Publications
Switzerland.
Positron annihilation study of irradiated China domestic A508-3 steels
会议论文
作者:
Liu, Xiangbing
;
Wang, Rongshan
;
Ren, Ai
;
Wang, Xitao
;
Wu, Yichu
收藏
  |  
浏览/下载:34/0
  |  
提交时间:2018/08/20
A508-3 steels
proton radiation
positron annihilation
Preparation and modification of magnetite thin films by swift Kr-ion irradiation
会议论文
2011 International Conference on Materials Science and Engineering Applications, ICMSEA 2011, Xi'an, China, January 15, 2011 - January 16, 2011
作者:
Sun, Jianrong
;
Wang, Zhiguang
;
Wang, Yuyu
;
Wei, Kongfang
;
Shen, Tielong
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/01/20
Irradiation
Defects
Electroless plating
Film preparation
Heavy ions
Krypton
Magnetic moments
Magnetic properties
Magnetite
Radiation
Saturation magnetization
Thin films
Aqueous solutions
Columnar defect
Crystallographic structure
Defects induced
Ion fluences
Ion irradiation
Low temperatures
Magnetite thin films
Magnetization measurements
Polycrystalline
SHI irradiation
Swift heavy ions
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