报道了闽东南地区土壤岩石中天然放射性核素含量调查的结果。
This paper reports on the survey of natural radio nuclides in soil and rock conducted in Southeast Fujian.
本文报道广东省(本调查包括现海南省在内)土壤中天然放射性核素含量调查的方法和结果。
This paper reports the methods and results of investigation of natural radionuclides in soil in Guangdong (include Hainan) Province.
近年来，随着检测灵敏度和分辨率的提高，该技术在放射性核素含量和同位素比值测定中的应用日益突出。
In recent years, with the improvement of sensitivity and resolution, its application was increasing to determine radionuclides content and isotope ratios.
中国土壤中天然放射性核素含量调查（1983—1990年）是中国环境天然放射性水平调查研究的一部分。
The survey of natural radionuclide contents in soil in China(1983—1990)is a part of investigation of environmental natural radioactivity level on China.
由于进行多金属结核与结壳研究测量样品的量较少，其中的放射性核素含量很低，所以要用低水平放射测量方法完成分析测量工作。
The measuring method of low level radioactivity were used because the sample is often very less and the radioactivity is frequently very low.
报道了咸阳市常用装饰石材及彩釉砖样品中天然放射性核素含量的调查分析结果，并据国家建筑材料放射性核素含量最新标准进行分类分析。
A report is made on the inspection results of the content of natural radionuclides of decorative stone and glazed tiles commonly used in Xianyang.
本发明涉及由锐钛矿机械精矿生产具有低放射性核素成份含量的钛精矿的独特方法。
The present invention relates to a unique process for production of titanium concentrate with low contents of radionuclide elements from anatase mechanical concentrates.
本发明涉及由锐钛矿机械精矿生产具有低放射性核素成份含量的钛精矿的独特方法。
The present invention relates to a unique process for production of titanium concentrate with low contents of radionuclide elements from anatase mechanical concentrates.
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