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- Set up quadrature cells in the domain. 设置域内的积分单元。
- 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 half moon is visible at the quadrature of the moon. 半形月在月弦的地方可以看得见。
- A radon progeny continuous monitor was developed. 本工作研制氡子体连续测量仪。
- Nutlet quadrature circle, dust-colour. 小坚果矩圆形,灰褐色。
- Lange was used for quadrature coupler. 正交耦合电桥采用兰格电桥。
- Quadrature amplitude modulation. 正交幅度调变。
- 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。
- A Determine exact and analytical stresses at quadrature points. a得到每个积分点的应力。
- If ventilation is poor, radon will accumulate in indoor areas. 如室内空气不流通,散发出来的氡气会积聚在室内。
- Quadrature test design and its application to power plant. 电厂化学实验。
- Radon and Decay Products-is There a Risk Outside the Lung? 氡及其子体对肺以外的组织器官是否有危险?
- Welcome to stay in our Radon Spring Chengtian Grand Hotel! 欢迎你下榻我们氡泉承天大酒店！
- It can he used to survey radon content both in air and soil. 它能对室内和室外空气和土壤中的氡，能进行现场，瞬时探测。
- Main consist in decorates radon in used cement, arenaceous stone. 氡主要存在于装修用的水泥、砂石中。
- When radon gas emitted as springs, very quickly, a phenomenon opal. 当氡气随泉水喷出，速度很快，便出现乳白现象。
- A radioactive, inert, gaseous isotope of radon, with a half-life of 3.92 seconds. 锕射气氡的一种放射性的，惰性的和气态的同位素，其半衰期为3.;92秒
