Nuclear Science and Techniques

POLYMER DIODES MADE OF ION IMPLANTED POLYACETYLENE FILMS

Polyacetylene films were doped with FeCl, and implanted with 30 keV K+ ions. Physical changes to the films were examined by a series of measurements, which include the four~ probe test, infrared ray a...

Sheng Kanglong (盛康龙)) Bao Jinrong (鲍锦荣) Rong Tingwen (荣廷文) Lin Senhao (林森浩) Wang Wenmin (王玟珉) Wan Honghe (万洪和), Zou Zhiyi (邹志宜) and Zhu Xinfang (朱新芳

1990, 1 (4): 193

A PIXE METHOD TO STUDY BIOLOGY AT THE DNA LEVEL

An external proton beam system with a detection sensitivity of 10-11g for ruthenium was used to study DNA. A metal- organic compound tris (4,7- diphenylphenanthroline) ruthenium (II) [Ru(DiP)32+] was ...

Sun Yongnian (孙永年), Zeng Xianzhou (曾宪周), Wang Xunming (汪训明), Huang Zuen (黄祖恩), Wu Xiankang (邬显康), Yang Fujia (杨福家) and C.C.Tan (谈家祯)

1990, 1 (4): 198

THE SCANNING NUCLEAR MICROPROBE AT SINR

‘This paper describes the scanning nuclear microprobe facilities established at the Shanghai Institute of Nuclear Research. The Russion quadruplet constructed with four magnetic quadrupolets is used f...

Zhu Jieqing (朱节清) Li Minqian (李民乾), Mao Yu (毛羽), Chen Hanmin (陈汉民) Gu Yingmei (谷英梅) Yang Changyi (杨长义) and Sheng Kanglong (盛康龙)

1990, 1 (4): 203

THE USE OF MeV PROTON NON—RUTHERFORD ELASTIC BACKSCATTERING FOR THE ANALYSIS OF LOW Z ELEMENTS

The MeV proton non- Rutherford elastic backscattering (PEBS) has been used to measure a variety of low Z element- containing samples including thick SiC film, N implanted stainless steel, thin films i...

Qiu Yuanxun (裘元勋), Zhou Zhuying (周筑颍), Zhao Guoqing (赵国庆), Gu Xiliang (顾锡良), Pan Liqing (潘礼庆), Tang Jiayong (汤家镛) and Yang Fujia (杨福家)

1990, 1 (4): 211

LIGHT ION REFLECTION STUDIED BY MONTE CARLO SIMTITATION ANTD TRANSPORT THEORY

The reflection of light ions, such as H+, 3He+ and 4He+, with energies of 0.1- 10 keV, from Cu and Ni surface has been studied by Monte Carlo simulation and transport theory. The Monte Carlo simulatio...

Xia Yueyuan (夏曰源) Xu Xiangang (徐现刚), Tan Chunyu (谭春雨), Zhang Zhaolin (张光林), Yang Hong (杨洪) and Sun Xiufang(孙秀芳)

1990, 1 (4): 217

RADIATION EFFECT ON BIOSYNTHESES OF ASCORBIC ACID AND RIBOFLAVIN IN GERMINATING CHICKPEA

The influence of irradiation on biosyntheses of ascorbic acid and riboflavin in germinating chickpea seeds at ambient (25~ 35°C) conditions, was investigated. The rate of syntheses of these vitamins s...

Abdus Sattar, S. Atta , M. Wahid, B.Ahmad and M.A.Akhtar

1990, 1 (4): 222

EFFECT OF COMBINATION METHODS ON INSECT DISINFESTATION AND QUALITY OF PLANT NUTS

Almond, groundnut, pinenut and walnut, were radiated (0.25 kGy) after packing in coloured and clear polyethylene bags (0.0mm) and subsequently stored for 24 weeks at room (16~ 36°C) and low temperatur...

Mohammad Wahid, Abdus Sattar, Mohammad Jan and Ismail Khan

1990, 1 (4): 229

COMPARISON OF VARIOUS CORRELATION ON IRMA FOR CA19—9 AND CA50 IN THE DIGESTIVE SYSTEM TUMOUR

This paper compared various correlation of IMRA for CA19- 9 and CA60 in the digestive system tumour antigen, such as linearity, sensitivity, analytical range, precision as well as storage and stabilit...

Mo Qizhong (莫启忠), R.P.Baum, A.Hertel and G.Hör

1990, 1 (4): 234

THE SYNTHESES OF 1,1,1—TRIFLUORO—2— SUBSTITUTED— PHENYL—2—PROPYL—3—¹⁴C P—TOLUENESULFONATES*

1.1,1,- Trifluoro- 2- substituted- phenyl- 2- propanols- 3- 14C were prepared from addition of methyl- 14C magnesium iodide to appropriate trifluoroacetophenone. These alcohols were converted into tos...

Guo Zili (郭子丽), Arthur Fry

1990, 1 (4): 239

THE FATE OF ¹⁴C—FENITROTHION IN RICE—FISH MODEL ECOSYSTEM

The fate of fenitrothion in rice- fish ecosystem was studied using 14C- fenitrothion (14C- F) labelled at methoxyl and two application rates. The fenitrothion in water disappeared quickly, only 8 and ...

Sun Jinhe (孙锦荷]) , Gan Jianying (甘剑英) and Li Xingming (李兴明)

1990, 1 (4): 243

COMPARISON OF ABSORBED DOSE MEASUREMENTS WITH AN EXTRAPOLATION CHAMBER AND A FARMER CHAMBER IN HIGH ENERGY ELECTRON BEAM

In this paper, the comparison of absorbed dose measurement performed with an extrapolation chamber and a Farmer chamber in high energy electron beam is described. The experiments performed in the cour...

S.C.Klevenhagen, Jin Tao (靳涛), Wang Mi (王密), Wu Jinzheng (吴进争), Sun Qiangsheng (孙强生)

1990, 1 (4): 249

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