molecular diffusion [物] 分子扩散 ; 分子分散 ; 分子弥散
rate of molecular diffusion 分子扩散率
coefficient of molecular diffusion 分子扩散系数
molecular diffusion coefficient 分子扩散系数
molecular diffusion term 分子扩散项
molecular diffusion rate 分子扩散速率
lateral molecular diffusion 侧向分子扩散
coefficient of molecular diffusion Dm 分子扩散系数
molecular heat diffusion [物] 分子热扩散
By using the molecular dynamics theory and diffusion limited aggregation model of film growth, the fractal phenomenon of the nodule nucleation was well explained.
用分子动力学和薄膜生长的扩散限制聚集模型，薄膜中结瘤微缺陷成核时的分形现象得到了很好的解释。
The methane emission from soil to the atmosphere is mostly through rice plants, only small amounts of methane is released across the water-air interface via bobbles or molecular diffusion.
后者主要是通过水稻植株向大气释放，只有少量通过气泡或分子扩散从水田土壤通过田面水层向大气排放。
Based on molecular diffusion model of water vapor a theoretical model of frost growth is established and an experimental set with a liquid nitrogen cooled tube is built up.
以蒸汽分子扩散模型为基础，建立了预测霜层生长过程的数学模型，并建立了以液氮为冷媒的管内强制流动结霜实验台。
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