DIN EN ISO 28439:2011
工作場所環(huán)境.極細(xì)微氣溶膠/納米氣溶膠特征描述.利用微分電氣流動分析系統(tǒng)進(jìn)行粒度分布和計(jì)數(shù)濃度測定(ISO 28439-2011).德文版本EN ISO 28439-2011
Workplace atmospheres - Characterization of ultrafine aerosols/ nanoaerosols - Determination of the size distribution and number concentration using differential electrical mobility analysing systems (ISO 28439:2011); German version EN ISO 28439:2011