The moving boundary is introduced to indicate the notable change in the clay retardation factor with the increase of solute concentration.
模型引入了移动边界以说明当溶质在粘土孔隙水中的浓度达到某一较高值后，阻滞因子将发生显著变化。
The different moisture absorbing rate to attapulgite clay raw mineral which should use different concentration sulphuric acid to activate and different result got with the different ageing time .
研究不同水份吸附级凹凸棒石粘土原矿用不同浓度稀硫酸活化，陈化时间不同，其脱色率变化情况。
To improve well-operation performance, capillary suction-time testing was performed to determine salt concentration required to prevent clay swelling.
为了提高井下作业的效果，通过测试毛管渗吸时间来确定抑制黏土膨胀所需的盐浓度。
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