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| 江苏省含低放射性废渣清洁解控技术规范探讨 |
| Discussion on the Technical Specifications of Radioactive Cleaning Solution Control of Low level Radioactive Waste in Jiangsu Province |
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| DOI： |
| 中文关键词: 天然放射性物质 稀土废渣 γ剂量率筛选 清洁解控 江苏省 |
| 英文关键词: Naturally occurring radioactive materials Rare earth residue Gamma dose rate screening Clearance Jiangsu Province |
| 基金项目:江苏省环保科研基金资助项目（2015066，2016003） |
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| 中文摘要: |
| 以江苏省稀土行业废渣实际情况为背景，基于国内外对天然放射性物质（NORM）的管理限值水平，通过理论研究和模型构建，建立了废渣中放射性核素质量活度与现场γ剂量率之间的关系。通过现场实验和样品γ谱核素分析结果进行模型修正，在留有足够安全冗余的情况下确定现场γ剂量率筛选水平，并提出了一套操作性较强的NORM废物γ剂量率筛选现场检验程序。 |
| 英文摘要: |
| Based on the actual situation of rare earth residue in Jiangsu Province, and the domestic and international standards for the management of Naturally Occurring Radioactive Materials, through theoretical research and model construction, the relationship between the activity concentration of radionuclides in the wastes and the gamma dose rate was established. The model correction was performed by the field experiment and the results of the gamma spectrum analysis of the samples, the level of gamma dose rate was determined in the case of a sufficient margin of safety. A set of operational field test program for gamma dose rate screening of NORM waste was proposed. |
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