GB/T 21131-2007
AbolishedEnvironmental tobacco smoke Estimation of its contribution to respirable suspended particles Determination of particulate matter by ultraviolet absorbance and by fluorescence
环境烟草烟气 可吸入悬浮颗粒物的估测 用紫外吸收法和荧光法测定粒相物
环境烟草烟气 可吸入悬浮颗粒物的估测 用紫外吸收法和荧光法测定粒相物