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Archive | 1987

Neutron Radiography Study in Tsinghua University

Mo Dawei; Liu Yisi; Guo Zhiping; An Fu-Liu; Zhang Chao-zong; Miao Qitian

The work of Neutron Radiography described in this paper was performed at the research reactor of Tsinghua University, which is a pool-type light water reactor with a power of 2 MW. This neutron radiography system reached the level N80-10-7 of the ASTM E545-75 standard. A MTF programme was developed for making neutron radiography convertors. Neutron radiographs of corn roots growing in soil were obtained with resolution of about 0.3 mm. The research of water permeation in concrete using neutron radiography technique was also tested. A preliminary real-time neutron radiography system usable to observe two-phase flow was installed.


Archive | 2006

Shipping container inspection system with CT scanning function

Hu Haifeng; Miao Qitian; Wang Liming; Kang Kejun; Chen Zhiqiang; Wu Yucheng; Sun Shangmin; Han Yanjun; Peng Hua; Jiang Nan; Liang Zhizhong


Archive | 2016

Container CT (Computed Tomography) examination system

Li Jianmin; Li Yulan; Zhang Li; Li Liang; Zong Chunguang; Yu Hao; Kang Kejun; Li Yuanjing; Chen Zhiqiang; Miao Qitian; Cheng Jianping


Archive | 2012

Combination device of detector and collimator for X-ray examination and method

Liu Ming; Miao Qitian; Song Quanwei; Sun Shangmin


Archive | 2009

METHOD FOR IDENTIFYING MATERIAL BY USING BINOCULAR VISION MULTI-ENERGY TRANSMISSION IMAGES

Xie Yali; Miao Qitian; Peng Hua; Kang Kejun; Hu Haifeng; Chin Shikiyou; Cao Xueguang; Tang Chuanxiang; Gu Jianping; Wang Xuewu; Wen Hongshen; He Bei; Liu Yaohong; Sun Shangmin; Song Quanwei; Lin Jin; Ding Xianli


Archive | 2006

Railway passenger electronic ticket for use in electronic ticket machine, has dynamic encryption information written into chip, and check-in bit provided in data stored in chip for preventing repeated check-in

Kang Kejun; Hu Haifeng; Wang Shi; Miao Qitian; Chen Zhiqiang


Archive | 2001

COMBINED MOBILE CONTAINER INSPECTION SYSTEM

Kang Kejun; Gao Wenhuan; Zhang Huayi; Miao Qitian; Tang Chuanxiang; Chen Zhiqiang; Li Lianmin; Li Yuanjing; Liu Yinong; Li Junli; Cheng Jianping


Archive | 2017

Collimater, ray emitter and check -out set

Zhu Guoping; Miao Qitian; Li Junli; Zhang Xiaoli


Archive | 2016

Container CT checkout system

Li Jianmin; Li Yulan; Zhang Li; Li Liang; Zong Chunguang; Yu Hao; Kang Kejun; Li Yuanjing; Chen Zhiqiang; Miao Qitian; Cheng Jianping


Archive | 2016

Inspection device for inspection and quarantine

Miao Qitian; Chen Zhiqiang; Zhang Li; Huang Ming; Sun Yunda; Hu Ming; Huang Qingping; Xia Jie; Lei Lei

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