This paper discussed the unsaturated soil water diffusivity and its effect factors in waste water irrigation district in Beijing. The results show that the unsaturated soil water diffusivity ranged from 8.
对北京市污灌区非饱和土壤水扩散率及其影响因素进行了研究。
参考来源 - 北京市污灌区非饱和土壤水扩散率研究The thermal diffusivity is determined by fitting the experimental data. Photothermal signals from anisotropic media, which is irradiated by a modulated laser beam, are analyzed in the second part.
从光热辐射理论出发,在一定条件下,推导出位相信号和调制频率的关系表现为线性关系,分析实验数据并拟合出各向同性材料的热扩散系数。
参考来源 - 不透明材料热扩散率PTR测量方法的研究Little dependence of BSA diffusivity on ligand density was found at low salt concentration.
在低盐浓度条件下,有效孔扩散系数基本上与吸附剂配基密度的大小无关。
参考来源 - 混合模式扩张床吸附剂的制备及其用于蛋白质分离的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
N a measure of the ability of a substance to transmit a difference in temperature; expressed as the thermal conductivity divided by the product of specific heat capacity and density 热量扩散率
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