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Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

A STUDY OF ANTINODULARIZING PROPERTIES OF Pb, Bi, Al AND Ti IN NODULAR CAST IRON BY SPM*

The nodular cast iron samples were prepared with the normal nodularizing process, in which the important antinodularizing elements Pb, Bi and Al were added respectively in order to research the influe...

Feng Songlin(冯松林), Zhong Ming(钟溟), Ren Minqin(任闽秦), Liu Nianqing(刘年庆), Zhu Jieqing(朱节清), Yang Changyi(杨长义), P. Larsson, K. Malmqvist, Wang Yu(王禹), Han Qiyong(韩其勇)

1993, 4 (4): 193

BEHAVIOR OF C—DDT IN SUBTROPICAL FLOODED SOIL*

A study on the behavior of p, p'- DDT in flooded soil was conducted from 1990 to 1991. 14C—p,p'- DDT was used as a tracer. TLC, ARG techniques were used. A chromatography scanner was used to determine...

Xu Bujin (徐步进) and Zhang Yongxi (张永熙)

1993, 4 (4): 199

TRACE ELEMENT CHARACTERISTICS OF ULTRAMAFIC INCLUSIONS IN THE EASTERN PART OF LIAONING— JILIN PROVINCES BY NAA

Cenozoic basalts in the eastern part of Liaoning-Jilin contain abundant mantle-derived inclusions. The rock types of the ultramafic inclusions are composed mostly of spinel Iherzolite and a few webste...

Yang Ruiying (杨瑞瑛), Yuan Chao (袁朝)

1993, 4 (4): 204

A PROGRAM FOR QUANTITATIVE PIXE ANALYSIS OF THICK SAMPLE*

A program for quantitative PIXE analysis of thick sample (TSPIXE) without reference materia] has been developed at Fudan University. Our program can be applied to the energy range of 10 keV to 10 MeV ...

Dai Zhongning (戴中宁), Ren Chigang (任炽刚), Liu Nianqing (刘年庆)

1993, 4 (4): 209

EFFECT OF POLYMERIZATION DEGREE ON MICROSTRUCTURE OF POLYETHYLENE GLYCOL STUDIED BY POSITRON ANNIHILATION*

Positron lifetimes in polyethylene glycol (PEG) polymer have been measured as a function of polymerization degree N (N = 25 - 500). It is observed that all the positron parameters are strongly depende...

Wang Cailin (王采林), Wang Bo (王波), Li Shiqing (李世清), Wang Shaojie (王少阶), Yao Ning (姚 宁)

1993, 4 (4): 213

STUDY OF THE FOCUSED ION BEAM AND ITS APPLICATION TO METAL IMPLANTATION MODIFICATION*

The properties and designment of the strong focusing lens system and the application to metal modification of gear cutting tools are described. The focused ion beam produced by a special three asymmet...

Zheng Sixiao(郑思孝)

1993, 4 (4): 217

METABOLIC KINETICS OF BRAIN MUSCARINIC CHOLINERGIC RECEPTORS IN NORMAL AND HYPOTHYROID MICE

A technique for studying in vivo the production rate and turnover rate constant of mouse brain M-receptors was established. A single injection of 25 mg/kg of Benzilylcholine Mustard to living mice res...

Hu Ya'er (胡雅儿), Yi Ningyu(易宁育), He Luming(何路明), Xia Zongqin(夏宗勤)

1993, 4 (4): 222

RADIATION EFFECT OF HOME—MADE STAINLESS STEEL STUDIED BY POSITRON ANNIHILATION

The heavy ion irradiation is used for the first time to simulate the radiation damage produced by reactor neutrons in home-made modified stainless steels. The produced radiation damage is investigated...

Zhu Shengyun (朱升云), Li Anli (李安利), Zheng Shengnan (郑胜男), Shi Suolang (施所朗), Gou Zhenhui (勾振辉), Li Donghong (李东宏) and Huang Hanchen (黄汉臣)

1993, 4 (4): 230

STUDY ON IMMOBILIZED YEAST CELLS WITH HRDROPHILIC POLYMER CARRIER BY RADIATION — INDUCED COPOLYMERIZATION*

In this paper, various kinds of monomers 2- hydroxyethyl methacrylate (HEMA). 2-hydroxyethyl acrylate (HEA), hydroxypropyl! methacrylate (HPMA) and methoxy polyethylene glycol methylacrylate (M-23G) w...

Li Zhengkuji (李正魁), Zhang Bosen(张伯森), You Jingjing(游晶晶)

1993, 4 (4): 235

STOPPING POWERS OF HEAVY IONS IN SILVER*

With the method of Rutherford backscattering of heavy ions from heavy substrate, the stopping powers of 11B, 12C and 19F in silver film were measured at energies from 0.11—0.53 MeV / u. The results ar...

Jin Changwen (金长义), Lu Xiting (卢希庭), Huang Xiaojing (黄小菁), Ye Yanlin (叶沿林), Jiang Dongxing (江栋兴), Liu Hongtao (刘洪涛), Xia Zonghuang(夏宗璜)

1993, 4 (4): 241

ESR STUDY ON RADIATION GRAFTING REACTION OF INORGANIC OXIDES

In this paper Al2O3 and MgO were studied as targets for the radiation grafting of MAA by electron beams. The reaction conditions and materials were characterized by IR spectroscopy, Scanning electron ...

Wang Jie(王洁), Huang Guanglin (黄光琳)

1993, 4 (4): 245

RELATIVE CALIBRATION OF 241Am FIRE ALARM SOURCE

According to the requirements of improving production of 241Am source used for smoke-sensitice fire alarm making, a method and equipment of its fast relative calibration have been developed. Six measu...

Feng Gensheng(冯跟胜) and Li Hanyin(李汉银)

1993, 4 (4): 251

 Nuclear Science and Techniques

ISSN: 1001-8042     eISSN: 2210-3147

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