radioactivity
- n.放射性;放射(现象)
radio- 光线,射线 + activ(e) 活跃的 + -ity …状态,性质
radioactivity-
Study of Marine New Productivity Using Low level Radioactivity Measuring Technique
用低水平放射性测量技术研究海洋新生产力
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Survey and assessment of radioactivity level in Yangtze River water system
长江水系放射性水平调查及评价
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the process of decontaminating areas exposed to radioactivity
清除受放射污染地区有害物质的过程
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The dismantling of a nuclear reprocessing plant caused a leak of radioactivity yesterday .
昨天拆除核后处理工厂引起了放射物泄漏。
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METHODS : Used vascular function detection , tissue culture and radioactivity analysis .
方法：采用血管功能检测、组织培养及放射免疫分析方法。
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The Research on the Evaluation of Urban Environmental Natural Radioactivity
城市环境天然放射性评价研究
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Total Radioactivity Level and Evaluation of Drinking Water in Sichuan Province
四川省饮水总放射性水平与评价
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Radioactivity background of soil environment and status investigation in Daqing region
大庆地区土壤环境放射性本底及现状水平调查与评价
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The paper describes the 4 πγ counting method in radioactivity measurement .
描述了用于放射性活度测量的4πγNaI（Tl）计数法的测量原理。
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Counting of radioactivity is a important method in nuclear detecting .
放射性计数是核探测中的基本方法。
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The study of radioactivity began as a piece of pure research .
放射性研究开始时是一项纯理论研究。
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A real time γ radioactivity monitoring and controlling system for industrial drainage developed .
本文介绍一套工业下水中弱γ放射性活度实时监测与控制系统。
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Research on the radioactivity wastewater treatment by active carbon
活性炭净化低放射性废水实验研究
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Natural radioactivity of the main buildings and various building materials in Jiangxi
江西省主要建筑类型及建筑材料中天然辐射的研究
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Radioactivity measurement on the reactor vessel of the heavy water research reactor
研究性重水反应堆内壳放射性的测量
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Measurement and Evaluation of Total Radioactivity in Water Bodies of Suzhou City
苏州市区各种水体中总放射性水平检测及评价
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Mechanism and application of radioactivity survey method to outlining landslide boundary
放射性勘查方法圈定滑坡边界的机理及应用
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Results PET system resolution did not vary with the total radioactivity .
结果系统分辨力不随视野中总活度而变化；
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Analysis on Natural Radioactivity Levels in Import Granite Building Materials
进口花岗岩石材中天然放射性水平检测分析
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Establishment and application of standard devices for radioactivity measurement
放射性活度测量标准装置及其应用
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Measurement of gross beta radioactivity in high - level liquid waste
高放废液总β放射性活度测量
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Study on Application of Airborne Radioactivity Remote Sensing Technique
航空放射性遥感技术应用研究
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Development of River Sediment Certified Reference Material for Environmental Radioactivity
河流沉积物环境放射性标准物质的研制
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Investigation of Total α & Total β Radioactivity Level of Surface Water of Guangdong
广东省地表水中总α、总β放射性水平调查
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Study on the reduction of gross α radioactivity in drinking water (ⅱ)
降低生活饮用水总α放射性的研究（Ⅱ）
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Analysis on Deep Radioactivity Logging of Railway Tunnels as Well as Assessment
铁路隧道深孔放射性测井分析及评价
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Development analysis and application of radioactivity detectors
放射性探测器发展分析以及应用介绍
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Selection of the measuring time in the absolute counting of radioactivity
放射性绝对测量中测量时刻的选择
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Natural radioactivity level of some building materials in Guangzhou
广州市部分建筑材料产地天然放射性水平研究
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The software designing of radioactivity of building materials ' spectrum analysis based on digital multi-channel
基于数字多道的建材放射性测量谱分析软件设计