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- Real-time dynamic tidal phenomena of groundwater radon density and water level and their digitalized comprehensive observation in a single well 地下含水层氡浓度和水位实时动态的潮汐现象与数字化单井综合观测
- radon density 氡气浓度
- radon density in soil 土壤氡浓度
- The density of population in this city is very high. 这个城市的人口密度非常高。
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- Where does the indoor radon come from? 室内氡气是从哪里而来?
- How does radon affect the human body? 氡气对人体有什么影响?
- Radon is the daughter of radium. 氡是镭的子体。
- A radon progeny continuous monitor was developed. 本工作研制氡子体连续测量仪。
- The density goes down exponentially with height. 分子密度随着高度的上升而指数衰减。
- The population density is evened out. 种群密度亦趋于均匀化。
- Density exceeded 100 nests per mile. 丝巢密度超过每英里100巢。
- Do you know the density of population in this area? 你知道这个地区的人口密度吗?
- This wave of excess density is sound. 这种过剩密度的波就是声波。
- The density logger consists of a radiation source. 密度测井仪包括辐射源。
- The daughter nuclides of radon and thoron tend to become attached. 氡和钍射气的子体易被气溶胶吸附。
- Methods Investigating the rodent density by ELTON. 方法用ELTON夹夜法对鼠密度进行调查。
- By the charge density we mean the per unit volume. 所谓的电荷密度是指单位体积的电荷。
- The entropy density is constant ahead of the shock. 冲击波前方的熵密度是恒定的。
- The driver had to stop because the density of the fog made it difficult to see. 由於浓雾使道路很难看清,司机不得不停车。