The airborne carcinogens are in the atmosphere as absorbed matter on soot particles.
2
而且透射电镜照片也直观地显示出了烟炱表面的一层吸附膜。
It can be seen directly that there is a layer of adsorption film on the soot surface in TEM.
3
此法可测定新油及旧油中的烟炱含量,准确性、重复性较好。
The soot content in the field test oils is measured with the fore mentioned method, which shows good accuracy and repeatability on both new and used oils.