Nuclear Science and Techniques

ACCELERATOR, RAY AND APPLICATIONS

Dosimetry calculations of involved and noninvolved organs in proton therapy of liver cancer: a simulation study

Radiation for targeting liver tumors can be challenging because of the damage that it can cause to sensitive organs such as heart and kidney. To calculate the dose received by noninvolved organs, a mo...

Zahra Ahmadi Ganjeh, Mohammad Eslami-Kalantari, Ali Asghar Mowlavi

2019, 30 (12): 173

NUCLEAR ENERGY SCIENCE AND ENGINEERING

Enhanced graph-based fault diagnosis model for nuclear power plants

Scheduled maintenance and condition-based online monitoring are among the focal points of recent research to enhance nuclear plant safety. One of the most effective ways to monitor plant conditions is...

Yong-Kuo Liu, Xin Ai, Abiodun Ayodeji, Mao-Pu Wu, Min-Jun Peng, Hong Xia, Wei-Feng Yu

2019, 30 (12): 174

NUCLEAR ELECTRONICS AND INSTRUMENTATION

Development of the real-time double-ring fusion neutron time-of-flight spectrometer system at HL-2M

A real-time double-ring neutron time-of-flight (TOFII) spectrometer system has been proposed to achieve plasma diagnosis on HL-2M tokamak with a relatively high count rate and sufficient energy res...

Bo-Wen Zheng, Wei Zhang, Tong-Yu Wu, Si-Cheng Huang, Yi-Po Zhang, Xiu-Feng Xu, Shi-Biao Tang, Ze-Jie Yin

2019, 30 (12): 175

NUCLEAR CHEMISTRY,RADIOCHEMISTRY,RADIOPHARMACEUTICALS AND NUCLEAR MEDICINE

Photon energy absorption and exposure buildup factors for deep penetration in human tissues

Using photons in therapeutic and diagnostic medicine requires accurate computation of their attenuation coefficients in human tissues. The buildup factor, a multiplicative coefficient quantifying t...

O. Kadri, A. Alfuraih

2019, 30 (12): 176

ACCELERATOR, RAY AND APPLICATIONS

Phase-stabilized RF transmission system based on LLRF controller and optical delay line

Radio frequency (RF) transmission systems with high-precision phase stability are required by the next generation of particle colliders and light sources. An RF transmission system was designed to ...

Jia-Ji Liu, Xin-Peng Ma, Guo-Xi Pei, Nan Gan, Ji-Sen Yang

2019, 30 (12): 177

ACCELERATOR, RAY AND APPLICATIONS

Cryogenic system design for HIAF iLinac

A helium cryogenic system is designed by the Institute of Modern Physics, Chinese Academy of Sciences, to supply different cooling powers to the cryomodules of ion-Linac (iLinac) accelerator, which...

Xiao-Fei Niu, Feng Bai, Xian-Jin Wang, Jun-Hui Zhang, Xiao-Hong Guo, Da-Ming Sun

2019, 30 (12): 178

NUCLEAR PHYSICS AND INTERDISCIPLINARY RESEARCH

Impact of atmospheric ionization by delayed radiation from high-altitude nuclear explosions on radio communication

In this study, we investigated the motion, shape, and delayed radiation intensity of a radioactive cloud by establishing a volume-source model of delayed radiation after high-altitude nuclear explo...

Heng Xu, Jian-Ming Ouyang, Shang-Wu Wang, Yun Liu, Xu Sun

2019, 30 (12): 179

NUCLEAR PHYSICS AND INTERDISCIPLINARY RESEARCH

Yield ratio of neutrons to protons in ¹²C(d,n)¹³N and ¹²C(d,p)¹³C from 0.6 to 3 MeV

The neutron yield in the 12C(d,n)13N reaction and the proton yield in the 12C(d,p)13C reaction have been measured using deuteron beams of energies 0.6–3 MeV. The deuteron beam is delivered from a 4...

Wu-Jie Li, Yu-Gang Ma, Guo-Qiang Zhang, Xian-Gai Deng, Mei-Rong Huang, Aldo Bonasera, De-Qing Fang, Jian-Qing Cao, Qi Deng, Yong-Qi Wang, Qian-Tao Lei

2019, 30 (12): 180

NUCLEAR ENERGY SCIENCE AND ENGINEERING

Gas-cooled thorium reactor at various fuel loadings and its modification by a plasma source of extra neutrons

This work presents the results of computer simulation of neutronic processes in a high-temperature gas-cooled thorium reactor for 30 different options of core loading. To guarantee stable and long-...

Andrey Arzhannikov, Sergey Bedenko, Vladimir Shmakov, Vladimir Knyshev, Igor Lutsik, Vadim Prikhodko, Igor Shamanin

2019, 30 (12): 181

SYNCHROTRON RADIATION TECHNOLOGY AND APPLICATIONS

New status of the infrared beamlines at SSRF

There are two infrared beamlines at the Shanghai synchrotron radiation facility (SSRF)—BL01B and BL06B. BL01B was the first infrared beamline of the National Facility for Protein Science in Shangha...

Xiao-Jie Zhou, Hua-Chun Zhu, Jia-Jia Zhong, Wei-Wei Peng, Te Ji, Yue-Cheng Lin, Yu-Zhao Tang, Min Chen

2019, 30 (12): 182

NUCLEAR ENERGY SCIENCE AND ENGINEERING

Bubble formation and evolution behavior from vertical wall orifice

Bubble formation is an integral part of the twophase flow science. Through numerical simulation and experiments using different air flow rates and orifice diameters, the present study aims at inves...

Zhao-Wei Ma, Xiao-Ling Wu, Qin Zhang, Guo Yang, Gui-Min Liu, Hua Li, Wei Liu

2019, 30 (12): 183