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Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2018 Impact factor 0.961
SYNCHROTRON RADIATION TECHNOLOGY AND APPLICATIONS

Dose rate distribution of photoneutrons in an ID beamline of SSRF: simulations and measurements

Photoneutrons, emitted by means of photonuclear interactions when gas bremsstrahlung interacts with beamline components, can be another potential radiation source needed to be considered for shielding...

XU Jia-Qiang, XIA Xiao-Bin, SHENG Yin-Xiang-Zi, SHEN Wei-Zu, XU Xun-Jiang

2014, 25 (5): 050101

SYNCHROTRON RADIATION TECHNOLOGY AND APPLICATIONS

Calibration method for electrode gains in an axially symmetric stripline BPM

The four electrodes in the stripline beam position monitor (BPM) for Hefei Light Source (HLS II) storage ring are of axially symmetric type. We have derived a new calibration method of electrode gains...

WU Fang-Fang, ZHOU Ze-Ran, YANG Yong-Liang, SUN Bao-Gen, ZOU Jun-Yin, LU Ping, CHENG Chao-Cai, LUO Qing, XU Jun

2014, 25 (5): 050102

LOW ENERGY ACCELERATOR, RAY AND APPLICATIONS

A study of quasi-absolute method in photon activation analysis

Relative methods, which are performed with the assistance of reference materials, are widely used in photon activation analysis (PAA). On the contrary, absolute methods, which are conducted without an...

SUN Zai-Jing, D. Wells, C. Segebade, S. Chemerisov, K. Quigley

2014, 25 (5): 050201

LOW ENERGY ACCELERATOR, RAY AND APPLICATIONS

High-resolution boosted reconstruction of γ-ray spectra

Direct demodulation method (DDM) was applied to reconstruct -ray spectra. Boosted Richardson-Lucy iteration was introduced into DDM. Monte Carlo method (here GEANT 4) was proposed to calibrate respons...

LI Lei, TUO Xian-Guo, LIU Ming-Zhe, WANG Jun

2014, 25 (5): 050202

LOW ENERGY ACCELERATOR, RAY AND APPLICATIONS

Model-predictive control of power supply for particle accelerators

In this paper, model-predictive control (MPC) is proposed for controlling power source of accelerators. The system state equation is employed as the predictive model. With MPC, the difference between ...

QIAN Xiang-Ping, YAO Ze-En, WANG Qiang

2014, 25 (5): 050203

NUCLEAR CHEMISTRY,RADIOCHEMISTRY,RADIOPHARMACEUTICALS AND NUCLEAR MEDICINE

A fractionation model based on three lognormal particle size distributions

In this paper, a new model is proposed to calculate distribution of fission products in particles of different sizes. The model sensitivity to the effective volume and mass of vaporized soil particles...

SHANG Jian-Bo, SHI Quan-Lin, WANG Qun-Shu, ZHONG Zhen-Yuan, LEI Bei-Fang, LIU Jie, BAI Tao, DAI Yi-Hua, LI Mou

2014, 25 (5): 050301

NUCLEAR CHEMISTRY,RADIOCHEMISTRY,RADIOPHARMACEUTICALS AND NUCLEAR MEDICINE

Biological characteristics of [18F]-THK523 for tau imaging

Reliable and non-invasive diagnostic tools are highly valuable for successful therapeutic strategies for the treatment of Alzheimer’s disease (AD). The existence of neurofibrillary tangles (NFTs...

KONG Yan-Yan, SI Zhan, ZHANG Zheng-Wei, GUAN Yi-Hui, CAO Guo-Xian, XUE Fang-Ping, HUA Feng-Chun, WU Ping, ZHAO Jun, ZHU Jian-Hua, LI Cong, CHEN Jian, QIAN Jun

2014, 25 (5): 050302

NUCLEAR CHEMISTRY,RADIOCHEMISTRY,RADIOPHARMACEUTICALS AND NUCLEAR MEDICINE

Preparation and characterization of the antifouling porous membranes from poly(vinylidene fluoride)-graft-poly(N-vinyl pyrrolidone) powders

Porous membranes were prepared using the phase inversion method from poly(vinylidene fluoride)-graftpoly( N-vinyl pyrrolidone) (PVDF-g-PVP) powders, which were synthesized via -ray induced graft polym...

CHEN Li-Fang, BIAN Xiao-Kai, HOU Zheng-Chi, LIU Zhong-Ying, QIN Qiang, PAN Ling, SHEN Li-Guo, SHI Liu-Qing, LU Xiao-Feng

2014, 25 (5): 050303

NUCLEAR ELECTRONICS AND INSTRUMENTATION

A novel 4π Gd-loaded liquid scintillator detection system

With a Geant4 software package based on the Monte Carlo method, a multi-cell 4 detection system is designed, which consists of 40 Gadolinium-loaded liquid scintillation detectors. These detectors, as...

YU Guo-Liang, DONG Lian-Jie, LONG Hou, LU Han-Lin, TANG Hong-Qin

2014, 25 (5): 050401

NUCLEAR ELECTRONICS AND INSTRUMENTATION

The extraction and smoothing algorithms for γ-ray spectrum of a CdZnTe detector system

The extraction algorithms for pulse amplitude and smoothing of energy spectrum have a great influence on energy spectrum of γ-rays during the digital detection and analysis procedure. For a...

XU Peng, WANG Song,  CAI Xing-Hui, LI Ru-Song, HUO Yong-Gang

2014, 25 (5): 050402

NUCLEAR ELECTRONICS AND INSTRUMENTATION

Applying image processing method to treat digital signals

In this paper, we present a novel method for digital nuclear signal processing based on image processing and recognition, which can improve signal-to-noise ratio of digital nuclear signal effectively ...

WANG Peng, ZHANG Ruan-Yu, YUAN Xue-Dong, XU Zu-Run, AN Zhu

2014, 25 (5): 050403

NUCLEAR PHYSICS AND INTERDISCIPLINARY RESEARCH

A method of estimating and subtracting the hydrogen background in the natural carbon target used in the 12C + 12C experiment

The experimental data of 100A MeV 12C + 12C elastic scattering are checked by using two-body kinematic calculation and 12C + p elastic scattering. It is shown that the measured data are true and relia...

QU Wei-Wei, ZHANG Gao-Long, Satoru Terashima, Isao Tanihata, GUO Chen-Lei, LE Xiao-Yun

2014, 25 (5): 050501

NUCLEAR PHYSICS AND INTERDISCIPLINARY RESEARCH

Density functional theory study of H, C and O chemisorption on UN(001) and (111) surfaces

We performed density functional theory calculations of H, C, and O chemisorption on the UN(001) and (111) surfaces using the generalized gradient approximation (GGA) and the Hubbard U parameter and re...

LI Ru-Song, HE Bin, XU Peng, WANG Fei, MA Wen-Yan

2014, 25 (5): 050502

NUCLEAR ENERGY SCIENCE AND ENGINEERING

Steady thermal hydraulic characteristics of nuclear steam generators based on the drift flux code model

To investigate the steady thermal hydraulic characteristics of U-tube steam generator (SG), a 1D simulation code based on the four-equation drift flux model is developed. The U-tube channels presumabl...

ZHANG Xiao-Ying, CHEN Huan-Dong, BAI Ning, ZHU Yuan-Bing, REN Zhi-Hao, HUANG Kai,

2014, 25 (5): 050601

NUCLEAR ENERGY SCIENCE AND ENGINEERING

Development and testing of the code for automatic generating of multi-temperature continuous-energy neutron cross section libraries

In the nuclear reactor design, a code for automatically generated multi-temperature continuous-energy neutron cross section data library, which is called AMTND for short, was designed and developed to...

CHEN Chong, ZOU Jun, ZHENG Jian, SUN Meng-Ping, CHEN Hong-Li

2014, 25 (5): 050602

NUCLEAR ENERGY SCIENCE AND ENGINEERING

The effect of Nb additive on Te-induced stress corrosion cracking in Ni alloy: a first-principles calculation

Nb can improve the resistance of Ni-based Hastelloy N alloy to Te-induced intergranular embrittlement. First-principles calculations are performed to research this mechanism by simulating the Ni(111) ...

LIU Wen-Guan, HAN Han, REN Cui-Lan, YIN Hui-Qin, HUAI Ping, ZOU Yang, XU Hong-Jie

2014, 25 (5): 050603

 Nuclear Science and Techniques

ISSN: 1001-8042     eISSN: 2210-3147

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