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环境辐射剂量     
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  environmental radiation dose
     DETERMINATION OF ENERGY RESPONSE OF A CYLINDRICAL HIGH PRESSURE IONIZATION CHAMBER USED FOR MEASURING ENVIRONMENTAL RADIATION DOSE
     用于环境辐射剂量测量的圆柱形高气压电离室对光子能量响应的测定
短句来源
  environmental irradiation dose
     The article introduces the general situation of 72 hours continuous operation trial at rated power on Xi抋n Pulsed Reactor(XAPR) steady-state core. The experimental results of environmental irradiation dose testing, measurement of equilibrium Xenon poison and Iodine pit reactivity depth while operating at rated full power are also given.
     介绍了西安脉冲反应堆(XAPR)稳态堆芯2MW额定功率72h连续运行考验的概况,给出了额定满功率运行条件下,堆厂房环境辐射剂量水平、平衡氙毒和碘坑反应性深度等测量结果。
短句来源
  environmental dose rate
     Monte Carlo analysis of environmental dose rate of HT-7U fusion device
     核聚变装置HT-7U环境辐射剂量蒙特卡罗模拟计算与分析
短句来源
     The environmental dose rate distribution of the fusion device HT-7U during operation was calculated and analyzed by using the three-dimensional Monte Carlo transport code MCNP/4C and the latest Fusion Evaluated Nuclear Data Library FENDL/2. The influence of filling materials of the double-wall vacuum vessel on the environmental dose rate was investigated.
     在聚变评价数据库FENDL/2的基础上,采用三维蒙特卡罗输运程序MCNP/4C,对核聚变装置HT-7U运行时的环境辐射剂量率进行了模拟计算及相关分析,着重研究了HT-7U硼水屏蔽层不同设计方案对环境剂量率的影响。
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  “环境辐射剂量”译为未确定词的双语例句
     The appropriate reaction condition are:N_2,irradiation dose over 50 kGy,reaction temperature 65℃,reaction time 3 h,monomer concentration 30%,medium H_2O,polymerization inhibitor'concentration 0.8 g,DVB's concentration 5 mL.
     最佳反应条件为:氮气环境,辐射剂量大于50 kGy,反应温度65℃,反应时间3 h,单体浓度30%,反应介质为水,阻聚剂0.8 g,交联剂用量为5 mL。
短句来源
     A PRESSURIZED IONIZATION CHAMBER DOSERATE METER FOR ENVIRONMENTAL RADIATION MEASUREMENT
     高压电离室环境辐射剂量率仪
短句来源
     A NESTED GRID MODEL FOR CALCULATING ENVIRON MENTAL RADIATION DOSES FROM AIRBORNE RADIO ACTIVITY RELEASED FROM LARGER AREA SOURCE
     用于计算较大尺度面源气载放射性释放的环境辐射剂量的一种套网格模型
短句来源
     Survey of the Environmental Radiation Level for Shanxi Tumour Hospital
     山西省肿瘤医院环境辐射剂量水平调查
短句来源
     Part I: Distribution of dose rate on cultured cell plane exposed to 125I seed irradiation invitro. Objective: To study the distribution of dose rate on cultured cell plane delivered by 125I seedplanar irradiation, and to establish a reference table on dose rate of 125I seed planar irradiator forcell lines in vitro.
     为了推动 I 籽源植入技术在临床科学规范的应用,本论文针对国内外现状和需要解决的问题,进行了 I 籽源照射对肿瘤细胞抑制作用的体外实验、整体动物实验和125I籽源植入治疗计划系统研制等方面的研究,此外还测量估算了125I籽源植入后的环境辐射剂量。 研究内容分以下五部分:第一部分 125I 籽源体外照射细胞的剂量分布研究
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      environmental radiation measurements
    Calibration facilites for borehole and surface environmental radiation measurements
          
      environmental dose rate
    The cosmic ray contribution constitutes a small fraction of the total environmental dose rate.
          


    The doserate meter,mainly used for measuring absorbed dos-erate of environmental gamma radiation and the charged particle componentsof cosmic-rays in“free-air”,consists of an energy compensated sphericalpressurized ionization chamber,a MOS electrometer and a digital voltmeter.The flat energy response of the pressurized ionization chamber ranges from60 keV to 1250 keV.It has good stability and higher sensitivity,and weights6 kg.

    本文介绍的高压电离室环境辐射剂量率仪,主要用于测量建筑物材料和地层的γ辐射以及宇宙射线带电粒子成分在空气中产生的吸收剂量率。它由能量补偿球形高压电离室、MOS 场效应管静电计和简易数字电压表组成。电离室的平能量响应范围为60—1250keV,剂量率仪稳定性好,灵敏度较高,重量约6kg。

    A nested numeric grid model is presented in this paper. It can be used in environmental impact assessment of airborne radioactivity released from larger area source. In the model, the basic grids are sectorial ones, but the source area and near source area is regularly shaped to rectangular grids. To reasonably simulate air concentration distribution the ATDL model is used for source area and near source field, and Gaussian plume model with multiple virtual point sources replacing the area source is used for...

    A nested numeric grid model is presented in this paper. It can be used in environmental impact assessment of airborne radioactivity released from larger area source. In the model, the basic grids are sectorial ones, but the source area and near source area is regularly shaped to rectangular grids. To reasonably simulate air concentration distribution the ATDL model is used for source area and near source field, and Gaussian plume model with multiple virtual point sources replacing the area source is used for the far field. To estimate the dose distribution of environmental radiation, the air concentration at rectangular grids is interpolated to sectorial grids first, then the model of environmental radiation doses is used in the sectorial grids. The determination of the size of rectangular area depends on the size of the area source. (

    本文介绍一种用于较大尺度面源气载放射性释放环境影响评价的套网格模型。该模型采用扇形网格和正方形网格相结合,以扇形网格为基本框架,而将面源区和近源区划分成正方形网格。在进行大气扩散估算时,为合理模拟空气浓度分布,在面源区和近源区,采用大气湍流扩散实验室(ATDL)模式;在其它区域,将面源视作若干个虚拟点源,采用高斯烟羽模式。在进行环境辐射剂量估算时,先将正方形网格点的空气浓度值内插到扇形网格,然后按扇形网格下的剂量估算模式进行计算。正方形网格区的大小视面源的尺度确定

    The survey of radiation level in workplace and the ambient environment were made in respect to medical electron accelerator and Co radio therapeutic devices in Shanxi Tumour Hospital.The result shows that the resulting radiation dose is on the same level as the locality.

    报道了对山西省肿瘤医院医用电子加速器、钴疗机等放疗设备工作场所及其附近环境辐射水平的调查测量工作。调查结果表明:其环境辐射剂量均属当地本底水平。

     
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