tb ion valence state tb离子价态
iron ion valence 铁离子价态
low valence metal ion [化学] 低价金属离子
valence of V ion V离子的价态
high valence ion 高价离子
valence of mn ion mn离子的价态
valence of metal ion 金属离子的价态
It is shown that the threshold flow rate is a function of reservoir property, fluid viscosity, ion valence and electrolyte concentration, and critical FBHP depends upon the rock strength and formation stress.
流体粘度越大,以及离子价数、电解质浓度越低,门限流速越小,越易引起出砂而损害储层;而临界井底流压主要决定于岩石的强度参数和地应力分布等,对于同一储层,不同井深处的临界井底流压也会不同。
参考来源 - 疏松砂岩油藏出砂机理研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The water absorbency was descended with the ascending of the concentration of the external ion solution and the valence of the ion.
实验结果表明：随着外部盐溶液浓度的增大及盐离子的价态的升高，复合材料的吸液率下降；
Field strength is calculated based on a valence of the metal cation and an ionic radius of the ion.
基于该金属阳离子的价数和离子的离子半径，算出场强。
The results indicate that the ion bombardment enhances the ionization of oxygen, promotes the oxygen permeation and facilitates the formation of the oxide of low valence states of ti.
结果表明，离子轰击加强氧的离化、促进渗氧，有助于低价态氧化物的形成。
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