Study on saline-alkali soil moisture diffusivity in songnen plain .
松嫩平原盐碱土水分扩散率研究。
The analysis of the temperature diffusivity of soil effect to the soil temperature field in chilliness area .
严寒地区土壤导温系数对土壤温度场影响分析。
The effects of thermal diffusivity on dendrite growth in subcooled pure metals .
过冷纯金属熔体中热扩散系数对其枝晶生长的影响。
Diffusivity , kinetic energy dissipation , and closure theories for the poleward eddy heat flux .
向极涡旋热通量的扩散率、动能耗散何闭合理论。
The quantitative account shows that the diffusivity increases 4 % - 7 % , magnetic field have no effect on the molecular mass-transfer process of benzene , toluene , acetone and methyl ethyl ketone in the air .
