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radiochemical analyses
相关语句
  放射化学分析
     TRANSURANIUM ELEMENTS IN THE ENVIRONMENT AND RECENT ADVANCE IN THEIR RADIOCHEMICAL ANALYSES
     环境中的超铀元素及其放射化学分析的进展
短句来源
     Progress in Radiochemical Analyses in 40 Years since CIRP's Founding
     建院40年来放射化学分析进展
短句来源
     An introduction to environmental level of transuranium elements and a review of the recent advance in radiochemical analyses of them are made.
     本文介绍了超铀元素的环境水平,对它们的放射化学分析的进展进行了述评。
短句来源
     Progress in radiochemical analyses in 40 years since CIRP's founding is described in this paper.
     介绍了中国辐射防护研究院建院 40年来放射化学分析工作的进展。
短句来源
     It contains that studies on pretreatment of samples and analytical methods of radionuclides, investigation on environmental radioactive level as well as activities related to quality assurance of radiochemical analyses.
     内容包括 :样品预处理技术的研究 ,放射性核素分析方法的研究 ,环境放射性水平调查和放射化学分析的质量保证活动。
短句来源
  “radiochemical analyses”译为未确定词的双语例句
     Methods 89 samples of eight types of decorative building materials were gathered from some larger scale enterprises. And the contents of 236 Ra, 232 Th and 40 K of the samples were measured by NaI (Te) gamma spectrometer and radiochemical analyses.
     方法 于广西较具规模的装饰建材厂采集了 8类 89个装饰建材样品 ,以γ能谱或放射化学分析法测定其2 2 6 Ra、2 32 Th和 40 K含量 ;
短句来源
  相似匹配句对
     The paper analyses it.
     本文对此进行分析。
短句来源
     Comparison analyses.
     比较分析方法。
短句来源
     TRANSURANIUM ELEMENTS IN THE ENVIRONMENT AND RECENT ADVANCE IN THEIR RADIOCHEMICAL ANALYSES
     环境中的超铀元素及其放射化学分析的进展
短句来源
     Progress in Radiochemical Analyses in 40 Years since CIRP's Founding
     建院40年来放射化学分析进展
短句来源
     RADIOCHEMICAL DETERMINATION FOR CHOLINESTERASE
     胆碱酯酶的放射化学测定法
短句来源
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  radiochemical analyses
The γ-radiometry coefficient is determined on a representative sample of an environmental object, in which the composition of radionuclides and their activity ratio are determined by spectrometric and radiochemical analyses.
      
The calculated data are in satisfactory agreement with the results of radiochemical analyses.
      
Radiochemical analyses have shown that 210Po concentration in Syrian phosphogypsum is always higher than 226Ra concentration.
      
In-Situ Sample Preparation for Radiochemical Analyses of Surface Water
      
The radiochemical analyses showed that the radiochemical purity of the labeled kit is high (>amp;gt;90%) during three hours after addition of99mTc-activity.
      
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An introduction to environmental level of transuranium elements and a review of the recent advance in radiochemical analyses of them are made.Some problems relating to chemical characters of transuranium elements, pretreatment of samples,methods of separation and purification,selection of chemical yield tracer,and various measurement technique are discussed. (

本文介绍了超铀元素的环境水平,对它们的放射化学分析的进展进行了述评。有关超铀元素的化学特性、样品的前处理、分离和提纯方法、化学产额示踪剂的选择以及各种测量技术等一些问题也进行了讨论。

Objective To survey the radioactivity of decorative building materials and its radiation dose to the residents in Guangxi. Methods 89 samples of eight types of decorative building materials were gathered from some larger scale enterprises. And the contents of 236 Ra, 232 Th and 40 K of the samples were measured by NaI (Te) gamma spectrometer and radiochemical analyses. Radiation doses to room residents were estimated by the contents of the three kinds of nuclears used in room...

Objective To survey the radioactivity of decorative building materials and its radiation dose to the residents in Guangxi. Methods 89 samples of eight types of decorative building materials were gathered from some larger scale enterprises. And the contents of 236 Ra, 232 Th and 40 K of the samples were measured by NaI (Te) gamma spectrometer and radiochemical analyses. Radiation doses to room residents were estimated by the contents of the three kinds of nuclears used in room decorative building materials. Results The results showed that radioactive levels of granites were much higher and their extra values of annual effective equivalent dose of internal radiation to residents exceeded the national standard limit of 1 mSv, and only 47% of granites seemed to be suitable for room decoration; radioactive levels of other decorative building materials were at the same range or a little lower than mixed building materials and the extra values of annual effective equivalent dose of both internal and external radiation to residents did not exceed the national standard. Conclusion Except part of granites, decorative building materials from Guangxi might cause no harmful radioactive effect on residents when used in room decoration. Key words Decorative building materials; Radioactive; Effective equivalent doses

目的 调查广西装饰建材的放射性水平 ,估算其用于居室装饰致居民剂量。方法 于广西较具规模的装饰建材厂采集了 8类 89个装饰建材样品 ,以γ能谱或放射化学分析法测定其2 2 6 Ra、2 32 Th和 40 K含量 ;采用这三种核素含量估算装饰建材用于室内装饰致室内居民剂量。结果 花岗岩放射性水平较高 ,其致居民内照射年有效剂量当量附加值已超 1mSv的国家标准限值 ,仅有 47%的品种可用于室内装饰 ;其它类装饰建材与混合建材放射性水平相当或略低 ,其致居民内、外照射年有效剂量当量附加值未超出标准限值。结论 除部分花岗岩外 ,广西装饰建材用于室内装饰不会对居民造成辐射危害

Progress in radiochemical analyses in 40 years since CIRP's founding is described in this paper. It contains that studies on pretreatment of samples and analytical methods of radionuclides, investigation on environmental radioactive level as well as activities related to quality assurance of radiochemical analyses.

介绍了中国辐射防护研究院建院 40年来放射化学分析工作的进展。内容包括 :样品预处理技术的研究 ,放射性核素分析方法的研究 ,环境放射性水平调查和放射化学分析的质量保证活动。

 
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