Nuclear Science and Techniques

NUCLEAR ELECTRONICS AND INSTRUMENTATION

Correction and verification of HL-2A Tokamak Bonner sphere spectrometer in monoenergetic neutron fields from 100 keV to 5 MeV

A real-time Bonner sphere spectrometer (BSS) has been developed for spectral neutron measurements with the HL-2A Tokamak. To correct and verify the accuracy of the neutron spectrum from the BSS, the B...

Bo-Wen Zheng, Chun-Yu Jiang, Zi-Bao Liu, Yin-Hai Pan, Xian-Ying Song, Shi-Biao Tang, Ze-Jie Yin

2019, 30 (11): 159

ACCELERATOR, RAY AND APPLICATIONS

Strategies for accurate response assessment of radiochromic film using flatbed scanner for beam quality assurance

Radiochromic film is a useful tool for beam quality assurance, but accurate response assessment of the film is still a problem. In this study, the response uncertainties of HDV2 film were investiga...

Xu-Dong Zhang, Yuan-Hao Liu, Xiao-Bin Tang, Ming-Chen Hsiao, Wei-Lin Chen, Chang-Ran Geng, Wen-Cheng Shao, Chun-Hui Gong, Silva Bortolussi, Di-Yun Shu

2019, 30 (11): 160

NUCLEAR ENERGY SCIENCE AND ENGINEERING

Numerical study of scattering Legendre moments and effect of anisotropic scattering on SN shielding calculation

In neutron and photon transport problems, anisotropic scattering is of great importance for the particle flux, especially when the angular flux has a strong forward peak in shielding analyses. The ...

Cong Liu, Xiao-Li Hu, Bin Zhang, You Gong, Liang Zhang, Yi-Xue Chen

2019, 30 (11): 161

NUCLEAR ENERGY SCIENCE AND ENGINEERING

An improved semi-implicit direct kinetic method for transient analysis of nuclear reactors

Semi-implicit direct kinetics (SIDK) is an innovative method for the temporal discretization of neutronic equations proposed by J. Banfield. The key approximation of the SIDK method is to substitut...

Roozbeh Vadi, Kamran Sepanloo

2019, 30 (11): 162

NUCLEAR ENERGY SCIENCE AND ENGINEERING

Temperature analysis of the HTR-10 after full load rejection

The HTR-10 is a small modular high-tempera‘ture reactor located in Tsinghua University, in China. After the reactor ran continuously for 72h at full power in the commissioning stage, a full load rejec...

Xiang-Cheng Zhang, Ding She, Fu-Bing Chen, Lei Shi, Yu-Jie Dong, Zuo-Yi Zhang

2019, 30 (11): 163

ACCELERATOR, RAY AND APPLICATIONS

Monte Carlo assessment of coded aperture tool for breast imaging: a Mura-mask case study

The main purpose of this work was to perform a rigorous computational study on scintimammography with a Mura-mask based on Monte Carlo simulation of voxelized breast phantoms. Three main objectives we...

O. Kadri, A. Alfuraih

2019, 30 (11): 164

NUCLEAR ENERGY SCIENCE AND ENGINEERING

Experimental Study on the Oxidation Behavior and Microstructure Evolution of Nuclear Graphite NG-CT-10 and NG-CT-20

NG-CT-10 and NG-CT-20 are newly developed grades of nuclear-grade graphite from China. In this study, their oxidation behaviors were experimentally investigated using thermal gravimetric analysis. Mic...

Wei Lu, Ming-Yang Li, Xiao-Wei Li, Xin-Xin Wu, Li-Bin Sun, Zheng-Cao Li

2019, 30 (11): 165

NUCLEAR ENERGY SCIENCE AND ENGINEERING

Influence of 235U enrichment on moderator temperature coefficient of reactivity (MTC) in a graphite-moderated Molten Salt Reactor (MSR)

To optimize the temperature coefficient of reactivity (TCR) for a graphite-moderated and liquid-fueled molten salt reactor, the effects of fuel salt composition on the fuel salt temperature coefficien...

Xiao-Xiao Li, De-Yang Cui, Yu-Wen Ma, Xiang-Zhou Cai, Jin-Gen Chen

2019, 30 (11): 166

NUCLEAR CHEMISTRY,RADIOCHEMISTRY,RADIOPHARMACEUTICALS AND NUCLEAR MEDICINE

Isothermal, kinetic and thermodynamic studies for solid phase extraction of uranium (VI) via hydrazine impregnated carbon-based material as efficient adsorbent

The current study describes the application of a new extraction method for efficient uranium adsorption via cost-effective hydrazine-impregnated activated carbon. Various experimental parameters such ...

A. Morsy, M.H. Taha, Muhammad Saeed, Amir Waseem, Muhammad Asad Riaz, M. M. Elmaadawy

2019, 30 (11): 167

NUCLEAR CHEMISTRY,RADIOCHEMISTRY,RADIOPHARMACEUTICALS AND NUCLEAR MEDICINE

Quantifying lateral penumbra advantages of collimated spot-scanning beam for intensity-modulated proton therapy

Intensity-modulated proton therapy (IMPT) is becoming essential for proton therapy and is under rapid development. However, for IMPT, the lateral penumbra of the spot-scanning proton beam is still ...

Chun-Bo Liu, Yun-Tao Song, Hong-Dong Liu, Hai-Zhou Xue, Han-Sheng Feng

2019, 30 (11): 168

ACCELERATOR, RAY AND APPLICATIONS

A possible scheme of the surface muon beamline at CSNS

An experimental muon source is planned for the China Spallation Neutron Source. A simplified beamline with a limited number of magnets is achieved using a FODO lattice for implementation in a future p...

Lu-Ping Zhou, Qi-Li Mu, Han-Tao Jing, Jing-Yu Tang, Yu Bao, Ying-Peng Song

2019, 30 (11): 169

ACCELERATOR, RAY AND APPLICATIONS

The protein complex crystallography beamline (BL19U1) at the Shanghai Synchrotron Radiation Facility

The protein complex crystallographic beamline BL19U1 at the Shanghai Synchrotron Radiation Facility is one of the five beamlines dedicated to protein sciences operated by National Facility for Prot...

Wei-Zhe Zhang, Jian-Chao Tang, Si-Sheng Wang, Zhi-Jun Wang, Wen-Ming Qin, Jian-Hua He

2019, 30 (11): 170

NUCLEAR ELECTRONICS AND INSTRUMENTATION

Estimation of Gaussian Overlapping Nuclear Pulses Parameters Based on Deep Learning LSTM Model

A long short-term memory (LSTM) neural network has excellent learning ability applicable to time series of nuclear pulse signals. It can accurately estimate parameters associated with amplitude, ti...

Xing-Ke Ma, Hong-Quan Huang, Qian-Cheng Wang, Jing Zhao, Fei Yang, Kai-Ming Jiang, Wei-Cheng Ding, Wei Zhou

2019, 30 (11): 171

NUCLEAR CHEMISTRY,RADIOCHEMISTRY,RADIOPHARMACEUTICALS AND NUCLEAR MEDICINE

First-principles study on the mechanical properties of M₂CT₂ (M = Ti, Zr, Hf; T = O, F, OH) MXenes

Two-dimensional (2D) transition metal carbides known as MXenes belong to a new branch of 2D material family, and their fundamental properties vary with their compositions and surface functionalization...

Yu-Chang Lu, Cui-Lan Ren, Chang-Ying Wang, Ya-Ru Yin, Han Han, Wei Zhang, Ping Huai

2019, 30 (11): 172

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(2019-06-10)