mean dust concentration信息详情
粉尘平均浓度
concentration───n.浓度;集中;浓缩;专心;集合
dust───n.(Dust)人名;(德、俄)杜斯特;vi.拂去灰尘;化为粉末;vt.撒;拂去灰尘;n.灰尘;尘埃;尘土
impurity concentration───[电子]杂质浓度
high concentration───高浓度,高强度
concentration curl───[体]单臂哑铃弯举
dust to dust───尘归尘(歌名);[电影]尘归尘
concentration camps───n.集中营( concentration camp的名词复数 )
concentration ratio───集中度;浓度比率
concentration formula───浓度公式
This paper presents a method of measuring the particle mean size and dust concentration by small angle near forward light scattering optics and the extinction theory.───本文综合前向小角光散理论及消光原理,提出一种测量粉尘平均粒径及粉尘浓度的光学方法。
Construction fugitive dust showed great impact on the ambient PM10 level in Guiyang, and contributed 12% to the annual mean concentration of PM10 over the urban area.───建筑扬尘对贵阳市区较大范围内的PM 10浓度水平均有影响,对整个城区PM 10的年均浓度贡献接近12%。
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