Nuclear Science and Techniques

THERMOLUMINESCENT AUTHENTICATION OF ANCIENT CHINESE POTTERY

A rapid and effective TL technique to authenticate ancient Chinese pottery is proposed in the paper. Twenty three samples, ranging in age from 200 to 9000 a, including multiple styles and shapes and d...

P.L.Leung (梁宝鎏), Wang Weida (王维达)

1995, 6 (1): 1

ORIGIN FOR IRRADIATION EFFECT OF 0.56 GeV C⁶⁺ ON CaVSn:YIG

This paper presents numerous physical characteristics of Ca, V, Sun doped yttrium iron garnet (CaVSn:YIG) irradiated with 0.56 GeV carbon ions delivered by the Heavy Ion Research Facility of Lanzhou (...

Xiong Hongqi (熊宏齐), Hsia Yuanfu (夏元复), Hou Mingdong (修明东)

1995, 6 (1): 2

MONTE CARLO CALCULATION FOR CALIBRATION FUNCTIONS IN TOTAL REFLECTION X-RAY FLUORESCENCE SPECTROMETRY

Simulation approach includes such processes as photon emissions from X-ray tube with a spectral distribution, total reflection on the sample support, photoelectric effect in thin layer sample, as well...

Fan Qinmin (范钦敏), Liu Yawen (刘亚雯) and Wei Chenglian (魏成连)

1995, 6 (1): 14

STIMULATING EFFECT OF LOW DOSE ¹⁴⁷Pm ON DNA REPAIR IN SPERMIOGENIC STAGES

For labelling spermatid DNA, male BALB/c mice are injected intratesticularly with 9H-TdR in advance. After 36 d of labelling, spermatozoa are sampled which is just the time required for the germ cells...

Zhu Shoupeng (朱寿彭) and Wang Liuyi (王六一)

1995, 6 (1): 18

PREFERENTIAL SPUTTERING OF Cu₇₆Ni₁₅Sn₉

Using collection film technique combined with Auger electron spectroscopy is analysis, the preferential sputtering of the ternary alloy CuzgNijsSng bombarded with 27keV Ar+ at normal incidence is stud...

WangZhenxia(王震遐), PanJisheng(潘冀生), ZhangJiping(章骥平), WangChuanshan(王传珊), LuoWenyun(罗文芸)ZhouShuxin(周树鑫), ZhangHuiming(张慧明), ZengYuewnu(曾跃武)

1995, 6 (1): 22

EFFECT OF HEATING RATE ON NONLINEARITY OF DOSE RESPONSE IN TL BY KINETICS MODEL*

The general-order kinetics model of thermoluminescence is used to study the effect of heating rate on the nonlinearity of dose response in thermoluminescence. The results show that when we consider th...

Liu Xiaowei (刘小伟) and K.N.Yu (余君岳)

1995, 6 (1): 28

ACTIVE CALCIUM TRANSPORT IN PLASMA MEMBRANE VESICLES FROM DEVELOPING COTYLEDONS OF COMMON BEAN⁺

Plasma membrane vesicles were prepared from the developing cotyledons of common bean (Phaseolus vulgaris L ev Diyundou) by aqueous two-phase partitioning and characterized as to their purity by assayi...

Huang Jianzhong (黄建中) and Chen Ziyuan(陈子元)

1995, 6 (1): 31

A DYNAMIC FOOD CHAIN MODEL FOR HONG KONG BASED ON RADFOOD MODEL AND BIRCHALL-JAMES ALGORITHM*

In this paper a dynamic food chain model for Hong Kong which simulates the transfer of radioactive substances from a fallout deposition via the food chain into the human bodies is built. The model is ...

K.N.Yu (余君岳), K.P.Ng (吴国斌), T. Cheung (张增) and E.C.M.Young (杨健明)

1995, 6 (1): 37

NASOPHARYNGEAL CARCINOMA RADIOSENSITIVITY PREDICTION BY CYTOKINESIS-BLOCK MICRONUCLEUS ASSAY

Cytokinesis-block micronucleus method is used to evaluate the radiosensitivity of a nasopharyngeal carcinoma cell line (CNE-1) and biopsies obtained from 31 patients with nasopharyngeal carcinoma. The...

Yang Xing (杨星), Shi Jianhui (史剑慧) and Cheng Wenying (程文英)

1995, 6 (1): 47

BODY SURFACE EXPOSURE DISTRIBUTION OF EXAMINEES RECEIVED UPPER G.I.T. X-RAY EXAMINATION

A special cloth for keeping LiF(Mg,Cu,P)TL dosimetry elements is worn by examinees. The exposures of 128 examinees received upper G.I.T (gastro-intestinal tract) X-ray examination are measured. The re...

Feng Dinghua (冯定华) and Cheng Qijun (程祺钧)

1995, 6 (1): 51

MEASUREMENT OF WHEAT DENSITY

A method used for on line determining the change of wheat density with a automatic watering machine in a large hour mill has been studied. The results sbhow that the higher distinguishing ability is o...

Feng Gensheng (冯跟胜), Dang Jinchun (党金春) and Li Guiqun (李贵群)

1995, 6 (1): 54

VENTILATION INFLUENCE UPON INDOOR AIR RADON LEVEL

Levels of indoor radon in air are studied by a continuous electrostatic radon monitor under normal living conditions to evaluate the influence of air conditioned ventilation on indoor air radon level....

Tian Deyuan (田德源)

1995, 6 (1): 58

DISCUSSION ON DECISION LIMIT AND DETECTION LIMIT IN SPECTROSCOPY

Based on fundamental arguments, the expressions for the decision limit and the detection limit both in the count domain and in the count rate domain are derived. These expressions are found to be diff...

Zheng Renqi(郑仁圻), K.N.Yu(余君岳), E.C.M.Young(杨健明)

1995, 6 (1): 61

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