mean dust concentration的意思
mean dust concentration中文翻譯:
粉塵平均濃度
concentration───n.濃度;集中;濃縮;專心;集合
dust───n.(Dust)人名;(德、俄)杜斯特;vi.拂去灰塵;化為粉末;vt.撒;拂去灰塵;n.灰塵;塵埃;塵土
impurity concentration───[電子]雜質濃度
high concentration───高濃度,高強度
concentration curl───[體]單臂啞鈴彎舉
dust to dust───塵歸塵(歌名);[電影]塵歸塵
concentration camps───n.集中營( concentration camp的名詞復數 )
concentration ratio───集中度;濃度比率
concentration formula───濃度公式
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.───本文綜合前向小角光散理論及消光原理,提出一種測量粉塵平均粒徑及粉塵濃度的光學方法。
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.───建筑揚塵對貴陽市區較大范圍內的PM 10濃度水平均有影響,對整個城區PM 10的年均濃度貢獻接近12%。
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