【正文】
材料科學(xué)基礎(chǔ) Fundamental of Materials Prof: Tian Min Bo Tel: 62795426 , 62772851 Email: Department of Material Science and Engineering Tsinghua University. Beijing 100084 Lesson twentyseven 167。 NonSteadyState Diffusion ( ) (for one dimensional diffusion only) ? Ⅰ. Infinite system ? ?122x CDtC ?????? ?3)t i o nt r an s f o r m aB o l t z m an(l et tx??? ?20f o r 0f o r0at21?????xCCxCCt1. Formula ? ?4dd11)dd1(dd)1(dd)2(dd)2(dd