作为一项预防措施，科学家正在监测空气中放射性系数。
As a precaution scientists are monitoring radioactivity in the air.
作为一项预防措施，科学家正在监测空气中放射性系数。
As a precaution, scientists are monitoring radioactivity in the air.
工程实践表明，其具有导热系数小，绝热性优良、施工性能稳定、无毒无放射性污染等特点。
Engineering Practice shows that the coefficient of heat conduction small insulation of the fine, construction performance, stable, non-toxic and non-radioactive pollution characteristics.
再通过浓集系数公式的换算，可以同时反映海水、土壤两方面放射性的污染程度。
Radioactive pollution degrees of both the sea water and the soil can be deduced by means of conversion of the concentration factor's formula.
②由图像像素的累积计数、采集时间及定标系数确定像素的放射性浓度 ，其关系可以一经验公式表示。
The radioactive concentration of lesion pixel depended on the pixel counts, the acquisition time and CF, and the relationship was expressed with an empirical formula.
②由图像像素的累积计数、采集时间及定标系数确定像素的放射性浓度 ，其关系可以一经验公式表示。
The radioactive concentration of lesion pixel depended on the pixel counts, the acquisition time and CF, and the relationship was expressed with an empirical formula.
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