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- The Air Kerma Rate of 125I sources is determined by the well-type ionization chamber.Thereafter the apparent activity of 125I sources is calculated and measured results are anylyzed. 采用井型电离室测定125I粒子源的空气比释动能率，进而估算出125I粒子源的表观活度（又称等效活度），并对结果进行了分析。
- Influential Factors of Surveying Space Air Kerma Rate Indoors 影响室内空间空气比释动能率测定因素
- The Usage and Measure Chin of Air Kerma and Exposure 空气比释动能与照射量比较
- The assessing of the measuring uncertainty of air kerma rate 空气比释动能率测量不确定度评定
- Keywords 125I Seed Source;Apparent Activity;Air Kerma）; 125I粒子源;表观活度;空气比释动能;
- Keywords ambient dose equivalent;air kerma;conversion factor; 周围剂量当量;空气比释动能;转换系数;
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- Keywords Air kerma;Absorbed dose to water;Ionization chamber;Intercomparison; 关键词空气比释动能;水吸收剂量;电离室;国际比对;
- Keywords Air kerma;Exposure;Standard dosimeter;Technical research;Comparison; 空气比释动能;照射量;标准剂量计;技术研究;比对;
- Keywords Radiotherapy dosimeter;Calibration factor;Exposure;Air kerma; 放疗剂量仪;校准因子;照射量;空气比释动能;
- The lack of air in the room make everyone sniffle. 屋子里空气缺乏，使得每个人都频频吸气。
- During the intermission, let's go out for some fresh air. 幕间休息时，我们出去呼吸呼吸新鲜空气吧。
- The air held a foretaste of a storm. 天气有要括大风的迹象。
- The air was reeking with the smell of tobacco. 空气中弥漫着烟草的气味。
- A walk in the fresh air will pep me up. 我在空气新鲜的地方散步就感到精神饱满。
- He served one month with the Air Army in Kuwait. 他在科威特的空军里服役1个月。
- Large air and navel forces were set into action. 庞大的空军和海军部队开始行动了。
- His modesty [air of joviality] was all put on. 他的谦逊[愉快的样子]都是装出来的。
- Ida was choking with the dry air. 空气干燥，艾达感到喘不过气来。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
