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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
NUCLEAR, HEAVY ION AND ATOMIC PHYSICS

Statistical significance of non-reproducibility of cross sections measured in dissipative reactions 19F+93Nb

Two independent measurements of cross sections for the 19F+93Nb dissipative heavy-ion collision (DHIC) have been performed at incident energies from 100 to 108 MeV in steps of 250 keV. Two independen...

DONG Yu-Chuan, WANG Qi, LI Song-Lin, TIAN Wen-Dong, LI Zhi-Chang, LU Xiu-Qin, ZHAO Kui, FU Chang-Bo, LIU Jian-Cheng, JIANG Hua, HU Gui-Qing

2004, 15 (4): 193

LOW ENERGY ACCELERATOR, RAY TECHNOLOGY AND APPLICATIONS

Stopping powers of energetic electrons penetrating condensed matter theory and application

In this review article, the motivation of studying inelastic energy loss for energetic electrons penetrating through matter and the corresponding technological importance have been outlined. The theo...

TAN Zhen-Yu, XIA Yue-Yuan

2004, 15 (4): 200

LOW ENERGY ACCELERATOR, RAY TECHNOLOGY AND APPLICATIONS

A positron moderator using porous metal

Two types of porous metal moderators (i.e. porous nickel layer and multi-wire tungsten layer) are proposed and tested on a slow positron beam line. A moderation efficiency of about 2×10-4 has been ac...

WANG Bao-Yi, YU Run-Sheng, ZHAO Fa-Ru, MA Chuang-Xin, ZHANG Tian-Bao, WEI Long

2004, 15 (4): 213

LOW ENERGY ACCELERATOR, RAY TECHNOLOGY AND APPLICATIONS

Studies on irradiation stability of polystyrene by NMR

The irradiation stability of polystyrene (PS) was studied by 13C and 1H NMR spectra, Nuclear Overhauser Relaxation (NOE) and 13C NMR spin-lattice relaxation time (Tl ). The results indicate that 13C ...

ZHAO Xin, SUN Wan-Fu, XIE Cheng-Xi

2004, 15 (4): 216

RADIOCHEMISTRY, RADIOPHARMACEUTICALS AND NUCLEAR MEDICIN

Inhibition of nicotine-DNA adduct formation by polyphenolic compounds in vitro

Nicotine [3-(1-methyl-2-pyrrolidinyl)-pyridine], a major alkaloid in tobacco products, has proven to be a potential genotoxic compound. Some polyphenolic compounds can suppress the DNA adduction, and...

CHENG Yan, WANG Hai-Fang, SUN Hong-Fang, LI Hong-Li

2004, 15 (4): 219

RADIOCHEMISTRY, RADIOPHARMACEUTICALS AND NUCLEAR MEDICIN

131I treatment for brain metastases from differentiated thyroid carcinoma

To assess the clinical value of treatment with 131I for brain metastases from differentiated thyroid cancer (DTC), we have observed 8 cases of brain metastases from DTC who received follow-up after 13...

YU Yong-Li, LU Han-Kui, ZHU Rei-Sen, MA Ji-Xiao

2004, 15 (4): 223

RADIOCHEMISTRY, RADIOPHARMACEUTICALS AND NUCLEAR MEDICIN

A gamma-ray therapeutic system applied to treatment of body tumors

In order to treat malignant tumors in human body, a stereotactic gamma-ray whole-body therapeutic system has been developed. This system is a typical large mechatronics treatment machine. In this pap...

HUANG Yu, DUAN Zheng-Cheng, ZHU Guo-Li, GONG Shi-Hua, LI Xiao-Ping

2004, 15 (4): 227

ADVANCED NUCLEAR INSTRUMENTATION AND DETECTION

Upgrade of plasma density feedback control system in HT-7 tokamak

The HT-7 is a superconducting tokamak in China used to make researches on the controlled nuclear fusion as a national project for the fusion research. The plasma density feedback control subsystem is...

ZHAO Da-Zheng, LUO Jia-Rong, LI Gang, JI Zhen-Shan, WANG Feng

2004, 15 (4): 232

MISCELLANEOUS

Application of artificial neural networks in analysis of CHF experimental data in round tubes

Artificial neural networks (ANNs) are applied successfully to analyze the critical heat flux (CHF) experimental data from some round tubes in this paper. A set of software adopting artificial neural ...

HUANG Yan-Ping, SHAN Jian-Qiang, CHEN Bing-De, LANG Xue-Mei, JIA Dou-Nan, WANG Xiao-Jun

2004, 15 (4): 236

MISCELLANEOUS

Influences of physical properties of two-phase mixture on void fraction in an annular vessel

LI Xiao-Ming, BI Qin-Cheng, FENG Quan-Ke, CHEN Ting-Kuan, DU She-Jiao

2004, 15 (4): 243

MISCELLANEOUS

Variation of environmental neutron flux with altitude and depth of both water and soil

Applying the extreme low-level γ-ray spectroscopic analysis the environmental neutron flux is measured using different moderator construction and environment through the reaction 197Au (n, γ) 198Au. ...

K. KOMURA, N.K. AHMED, A.H. El-KAMEL, A.M.M. YOUSEF

2004, 15 (4): 248

 Nuclear Science and Techniques

ISSN: 1001-8042     eISSN: 2210-3147

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