Investigations were made of indoor radon concentrations for decorated dwellings using solid state nuclear track detectors(SSNTD).

 
  • 采用固體核徑跡探測器(SSNTD),對裝修后的房屋進(jìn)行室內氡濃度調查。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan