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- This method is of significance both to overcome the difficulties in the recovery of the historical tritium concentration and to enhance the accuracy of age-dating. 该方法不仅可以很好地解决地下水系统输入项氚背景浓度恢复时间序列较长的问题，而且对于提高地下水的定年精度具有十分重要的意义。
- The source of tritium in atmosphere was analyzed,and the composition and the principle of the system for measuring tritium concentration were described. 文章分析环境大气中氚的来源,并描述环境大气氚浓度测量系统的组成与测量原理。
- deuterium and tritium concentration 氘氚浓度
- The distribution characteristics were tested by tritium autoradiography and showed that tritium concentrated in the grain boundaries and dislocations. 利用氚自射线照相法,研究了氚在抗氢脆不锈钢中的分布特征。
- Analytical Method of Tritium Concentration in Air for Arid Land 干旱地区空气中氚浓度测定方法研究
- Keywords Tritium concentration;Water supply;Environmental water; 氚浓度;给水;环境水;
- 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
- Tritium has a half-life of 12.4 years. 氚的半衰期为12.;4年;地球形成时的氚早已不存在。
- 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。
- Tritium is one of the mildest radioactive isotopes. 氚是辐射最和缓的放射性同位素之一。
- Stress and tiredness often result in a lack of concentration. 紧张和疲劳常使人精神不集中。
- tritium concentration 氚浓度
- 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 nucleus of tritium,consisting of two neutrons and one proton. 氘核氘的原子核，由两个中子和一个质子组成
- The tennis players need total concentration during play. 网球运动员在比赛中需要全神贯注。
