A Kind of Qualitative Explanative and Quantitative Calculation to 2
Ke-Min Li · Journal of Huaihua University · 2006
At first,a kind of qualitative explanation why the mean free path of molecule ( λ_穿 ) passing through a certain reference section in the course of transportation is not equal to but larger than λ is brought forward,and then, λ_穿 =2λ is worked out by means of quantitative calculation.