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- The variation rules of Rn concentration in the soil of the groundwork in Chengdu area is discussed from different angles. 本文就成都地区地坪基础的施工中氡浓度的变化规律作一初步探讨。
- Keywords radon gas survey;Rn concentration;annual effective dose; 氡气测量;氡活度浓度;年有效剂量;
- In this paper, 222 Rn concentrations in domestic water, indoor radon from domestic water supplies , behaviours of indoor radon in water and exposure from using of radon bearing water are discussed in this paper. 文章论述了家庭生活用水的氡浓度水平、生活用水对室内氡的贡献、水的使用过程中室内氡行为以及含氡水的使用与辐射照射剂量的关系等问题。
- Investigation and Evaluation of Rn Concentration in and out of the House in Haining City 海宁市居室内外氡浓度调查与评价
- Measurement of Indoor ~(222)Rn ~(220)Rn Concentration and EEC_(Tn) in Nagoya Japan 名古屋市室内空气~(222)Rn、~(220)Rn的测量及EEC_(Tn)估算
- His area of concentration is nuclear physics. 他的专门研究范围是原子物理学。
- The drug affects one's power(s) of concentration. 这种药影响人精神不能集中。
- There is a concentration of people in big cities. 大城市人口集中。
- He seized every chance to break out of the Nazi concentration camp. 他抓住一切机会从纳粹集中营跑出来。
- A state of mental concentration. 专心致志,全神贯注全神贯注的状态
- Exceptionally great concentration, power, or force. 特别强烈的程度,力量或动力
- Can I have more than one RN number? 一家公司可以拥有多个RN代码吗?
- The POWs burst out from(of) that Nazi concentration camp one night. 一天夜里战俘们冲出了那个纳粹集中营。
- No. We assign only one RN number per company. 不可以。一家公司只可以有一个RN代码。
- How long does it take to get an RN number? 多长时间就可以得到RN代码?
- Eren Berber,Nora L,Flesher RN,et al. 吴沛宏,李立,张益民。
- Oermann Phd Rn Faan, Kathleen B. 放大图片 作者: Marilyn H.
- Stress and tiredness often result in a lack of concentration. 紧张和疲劳常使人精神不集中。
- Concentration is essential if you want to do a good job. 如果你想把事情做好,专心是必要的。
- The tennis players need total concentration during play. 网球运动员在比赛中需要全神贯注。