Nuclear Science and Techniques

NUCLEAR, HEAVY ION AND ATOMIC PHYSICS

Effect of tritium reduction in determining energy gain by using R-matrix method direct laser fusion in D-T reaction

The laser fusion criterion is known as the ρR-Criterion, also called high-gain condition. This parameter is temperature dependent and can be calculated by R-matrix method. This method is applied for ...

S.N. HOSSEINI MOTLAGH Sh.S.MOHAMADY M.Kh. MORADKHANI R. SHAMSI

2007, 18 (3): 129

LOW ENERGY ACCELERATOR AND RADIATION APPLICATIONS

Intensive irradiation of carbon nanotubes by Si ion beam

Multi-walled carbon nanotubes were irradiated with 40 keV Si ion beam to a dose of 1×1017 cm-2. The multiple-way carbon nanowire junctions and the Si doping in carbon nanowires were realized. Moreove...

NI Zhichun LI Qintao YAN Long GONG Jinlong ZHU Dezhang ZHU Zhiyuan

2007, 18 (3): 137

LOW ENERGY ACCELERATOR, RAY TECHNOLOGY AND APPLICATIONS

Aqueous solution of basic fuchsin as food irradiation dosimeter

Dosimetric characterization of aqueous solution of basic fuchsin was studied spectrophotometrically for possible application in the low-dose food irradiation dosimetry. Absorption spectra of unirradi...

Hasan M. KHAN Shagufta NAZ

2007, 18 (3): 141

LOW ENERGY ACCELERATOR, RAY TECHNOLOGY AND APPLICATIONS

The role of AGFA high-energy CR in the calibration and quality control of multileaf collimators (MLC)

Linear accelerators equipped with multileaf collimators (MLC) are becoming more common and are widely used in the intensity-modulated radiotherapy (IMRT). There is an imperative need to ensure the co...

LI Zhaobin XIONG Fei HUANG Guofeng CAO Zheng JIANG Ruiyao FU Shen

2007, 18 (3): 145

RADIOCHEMISTRY, RADIOPHARMACEUTICALS AND NUCLEAR MEDICIN

Modeling the leaching behavior of simulated HLW-glass using PHREEQC

PHREEQC is a geochemical model to study aqueous ion reaction equilibrium in water systems. In this paper, PHREEQC was used to calculate concentrations of main elements (Si, Na, B, Al, Sr, Cs, Fe and ...

ZHANG Hua LUO Shanggeng

2007, 18 (3): 150

RADIOCHEMISTRY, RADIOPHARMACEUTICALS AND NUCLEAR MEDICIN

Non-FDG PET imaging of brain tumors

Due to relatively high uptake of glucose in the brain cortex, the use of FDG PET imaging is greatly limited in brain tumor imaging, especially for low-grade gliomas and some metastatic tumours. More ...

HUANG Zemin GUAN Yihui ZUO Chuantao ZHANG Zhengwei XUE Fangping LIN Xiangtong

2007, 18 (3): 154

RADIOCHEMISTRY, RADIOPHARMACEUTICALS AND NUCLEAR MEDICIN

Preparation and biological evaluation of 99Tcm-labelled fatty acids

The aim of the present work was to develop radiolabelling fatty acids based on 99Tcm carbonyl chemistry for heart imaging. Undecanoic acids functionalised with iminodiacetatic acid and cysteine were ...

LIANG Jixin HU Ji CHEN Baojun LUO Lianzhe LI Hongyu SHEN Langtao LUO Zhifu

2007, 18 (3): 159

ADVANCED NUCLEAR INSTRUMENTATION AND DETECTION

A time-over-threshold technique for PMT signals processing

A novel front-end circuit designed for PMT signals processing considering the solution of “Time Walk” correction is discussed in this paper. We are trying to apply the TOT (Time over Threshold) techn...

LIU Xuzong LIU Shubin AN Qi

2007, 18 (3): 164

ADVANCED NUCLEAR INSTRUMENTATION AND DETECTION

Some characteristics of X-ray imaging for energy region of over 100 keV using plastic scintillation fiber array

In this work, characteristics of using PSFs (plastic scintillation fibers) coupled with CCD (charge-coupled devices ) to build area detectors for high energy X-ray imaging are studied with a Monte Ca...

TANG Shibiao MA Qingli YIN Zejie HUANG Huan

2007, 18 (3): 172

MISCELLANEOUS

Activity level of gross α and gross β in airborne aerosol samples around the Qinshan NPP

The monitoring results of gross α and gross β activity from 2001 to 2005 for environmental airborne aerosol samples around the Qinshan NPP base are presented in this paper. A total of 170 aerosol sam...

CHEN Bin YE Jida CHEN Qianyuan WU Xiaofei SONG Weili WANG Hongfeng

2007, 18 (3): 176

MISCELLANEOUS

Hydrogen and steam distribution following a small-break LOCA in large dry containment

The hydrogen deflagration is one of the major risk contributors to threaten the integrity of the containment in a nuclear power plant, and hydrogen control in the case of severe accidents is required...

DENG Jian CAO Xuewu

2007, 18 (3): 181

MISCELLANEOUS

Analysis on natural circulation capacity of the CARR

The investigation on natural circulation (NC) characteristics of the China Advanced Research Reactor( CARR) is very valuable for practical engineering application and also a key subject for the CARR....

TIAN wenxi QIU Suizheng WANG Jiaqiang SU Guanghui JIA Dounan ZHANG Jianwei

2007, 18 (3): 186

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