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- The radon exhalation rate is used as the basic factor of radon geological potential. 氡析出率是反映氡地质潜势的最好参数。
- These results are valuable for reasonably determining the radon eduction rate in remedial action on decommissioned uranium mine. 其结果对铀矿山退役治理中氡析出率的合理确定具有一定的参考价值。
- When the radon levels of the water subside and drop back to normal readings, an earthquake may occur. 当水中氡的含量下降，回到正常读数时，地震就可能发生。
- This text has been described detailedly on the questions of source and danger of the radon in the indoor environment. 主要对室内环境中氡的来源、危害做出详细的介绍。
- The emanation scintillation method to determine the radon content is the principal way. 射气闪烁法是测氧的主要方法。
- The fundamental solution of three-dimensional piezoelectrics is derived using the Radon integral transform. 本文通过Radon积分变换，获得三维压电材料的基本解；
- The experiment method of humidity correction in the radon exhalation rate measurement by the method of the activated charcoal a... 本文给出了活性炭法测氡析出率的湿度修正实验方法,并给出了混凝土、石膏板介质表面的析出率修正实验数据。
- The new method can provide a useful means for extracting more information about the coal fire from the radon measurement. 该方法的提出为利用氡气法获取更多的煤火信息提供了新途径。
- A detail statement on the test of reducing the radon release rate with earth cover and the calculation is given espec... 特别是对滩面覆盖降氡的试验、计算方法都作了较详细的论述。
- The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
- According to the characteristics of activated carbon absorbing the radon, the sorption action of activated carbon absorbing the radon has been studied in this paper. 摘要针对活性炭对氡有较强的吸附能力的特性，研究了在大气环境中活性炭对氡的吸附行为。
- There are 26 letters in the English alphabet. 英语字母表中有26个字母。
- Foreign nationals were asked to leave the country. 外国侨民被要求离开该国。
- More recently, researchers have sought to associate electromagnetic fields, the radon or hydrogen content of the soil and seismicity patterns with impending earthquakes. 最近，研究人员寻求把土壤中的电磁场、氡或氢含量以及地震活动格局，同即将发生的地震联系起来。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- A country must have the will to repel any invader. 一个国家得有决心击退任何入侵者。
- We have showed that the Radon transform of the cross Wigner distribution function is a separable multiplication of fractional Fourier transform of these functions. 分析了交叉魏格纳分布函数中的拉冬变换是这些函数中分数傅里叶变换的可分乘法。
- Swimming is the best way to tone up your body. 游泳是健体强身的最好方法。
- A fire was burning in the grate. 火在壁炉中燃烧着。
