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| 1 | Study on Nondestructive Detection of Fuel Assemblies with High Energy X-ray显示文摘Nuclear fuel assembly is the core component in reactor,the characteristics of assembly is directly related to the safe operation of nuclear reactors and the effective use of nuclear fuel components.During the running of reactor,fuel pellets will be swelling and cracking under the condition of solid and gas fission products。 | ZHANG Xiangyang WANG Guobao HE Gaokui CUI Yao ZENG Ziqiang LIANG Zhengqiang WANG Xin | 2017 | Annual Report of China Institute of Atomic Energy2017，，1： | 0 |
| 2 | International Standard of Non-destructive Testing Electronic Linear Accelerator Released显示文摘The non-destructive testing electron linear accelerator is a kind of X-ray generating device.The generated ray has the characteristics of high energy,strong penetrating power,high kerma rate and small focus.It can be used as X-ray radiation sources of radiography or imaging,industrial computer tomography etc.,which is impor- | YU Guolong ZENG Ziqiang HE Gaokui WANG Guobao | 2017 | Annual Report of China Institute of Atomic Energy2017，，1： | 0 |
| 3 | Research on Signal Measurement Technology of High Temperature Fission Ionization Chamber显示文摘The neutron flux density corresponding to the reactor from startup to full power operation varies by more than ten orders of magnitude.Correspondingly,thenuclearmeasurement system can be divided into three ranges:Source range,1-105·cm-2·s-1;middle range,104-1010 cm-2·s-1;power range,106-1010 cm-2·s-1.A detector can only measure one range,so two or three detectors must be used to measure the entire neutron flux range.In order to be safe and reliable,there is a need for some range overlap between detector ranges,and the typical overlap is 1-2orders of magnitude. | QUE Ziang HE Gaokui | 2018 | 中国原子能科学研究院年报2018，，1： | 0 |
| 4 | Simulation Analysis and Research of Ion Implantation Process Based on Silvaco Software显示文摘When detecting X andγrays,the high-purity germanium detector has a series of advantages such as high stability,high detection efficiency and good energy resolution,and the comprehensive performance is far stronger than that of otherγdetectors.Using the process simulation tool Athena of Silvaco Tcad software,the boron ion implantation process simulation of the germanium semiconductor material was carried out,and the influence of the implantation dose and angle on the impurity particle concentration distribution and junction depth were explored,which will be helpful to improve the detector performance from the optimization of process parameters. | LI Wencong HAO Xiaoyong HE Gaokui | 2018 | 中国原子能科学研究院年报2018，，1： | 0 |
| 5 | Suspending Device of High-temperature Ionization Chamber显示文摘During the start-up and refueling condition,the reactor is under power so that traditional ionization chamber outside of the reactor can’t obtain enough signals,and an in-reactor ionization chamber is needed to monitor the neutron flux in the reactor.The in-reactor chamber must endure the harsh condition such as high temperature in the reactor,so it’s also called hightemperature ionization chamber.To get enough signals,high-temperature ionization chamber must reach deep into the reactor core,then the signal generated by detection unit here must be transmitted to the secondary instrument outside of reactor,and suspending device is the bridge between the detection unit and secondary instrument. | XIE Qiao ZHANG Xiangyang HE Gaokui YANG Fangdong | 2018 | 中国原子能科学研究院年报2018，，1： | 0 |
| 6 | Study of Uranium Plating Prepared by Electro-deposition Method显示文摘Uranium plating prepared by electro-deposition method can be used in high temperature fission ionization chamber,so it’s an important work to determine the optimum preparation conditions and detect the quality and thickness of the uranium plating coating.In this paper,the optimum process conditions for the preparation of uranium plating are determined by discussing the effects of different concentrations of uranium solution,temperature,pH and current density on the electro-deposition efficiency and coating quality. | SHAO Junqi ZHAO Jiangbin HE Gaokui ZHANG Xiangyang LIU Yang GUO Li | 2018 | 中国原子能科学研究院年报2018，，1： | 0 |
| 7 | 3D Scanning System of Nuclear Fuel Assembly Detection显示文摘3D scanning system of nuclear fuel assembly could realize multiple beam of X-rays from different angles and different level exposures to the fuel components,and obtain projection data of the fuel component structure,transmit projection data to the image processing server,and complete tomographic image reconstruction through data processing and high speed calculation.3Dscanning system is an important part of the nondestructive detection system of nuclear fuel assembly.Its performance directly affects the coordination of the whole system and the reliability of data acquisition,and finally affects the image quality of nuclear fuel assembly. | ZHANG Xiangyang XIE Qiao LI Jianwei XIAO Dan PAN Zhe HE Gaokui WANG Guobao | 2018 | 中国原子能科学研究院年报2018，，1： | 0 |
| 8 | Preparation of Uranium Plating For Fission Ionization Chamber显示文摘Using electro-deposition method to make uranium plating for fission ionization chamber is characterized by small volume solution,short operating time and less radioactive waste material.This paper mainly introduces the technical research of electrodes plating process.And | SHAO Junqi ZHAO Jiangbin HE Gaokui | 2017 | Annual Report of China Institute of Atomic Energy2017，，1： | 0 |
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