结果表明：在连续入渗条件下，阳离子交换作用是控制地下水硬度升高的主要过程；
With the help of laboratory and thermodynamic simulation, the relation of nitrogen transformation with calcium and magnesium variation during wastewater infiltration in soil water system is studied.
考察了螯合型弱阳离子交换剂与金属离子的作用，研究了蛋白质在金属螯合色谱中的保留机理。
The interaction between chelating weak cation-exchanger and metal ions was examined. The retention mechanism of protein in metal chelating chromatography was explored.
过渡带地下水化学成分不是淡水和海水的简单混合，阳离子交换在其中起了重要作用。
The chemical composition of groundwater in the transition zone is not a simple mixture of local fresh water and sea water, in which the canon-exchange played an important role.
介绍了在硫酸、732阳离子交换树脂的催化作用下，制备环氧大豆油的工艺，得出了最佳工艺条件。
The preparation process of epoxy soybean oil under the catalysis of sulfuric acid and 732 type cation exchange resin is introduced, and the optimum technological conditions have been obtained.
研究了强酸性阳离子交换树脂对缩醛合成反应的催化作用，系统地探讨了各反应因素对反应的影响，研究发现，D- 72强酸性阳离子交换树脂具有较高的催化活性，并能重复使用。
This paper investigates the catalysis of D-72 strong acid cation exchange resin on the synthesis of acetals, and systematically discusses the influence of reaction factors on the catalysis reaction.
而混合水与岩溶空间内的松散沉积物间的各种离子交换作用主要是阳离子交换吸附。
The ion exchange between mixed water and unconsolidated deposits inside caves is characteristic of cation exchange adsorption.
用阴阳离子交换柱去除杂质，同时起到一定的脱色作用，进而运用超滤进行澄清。
The extract was decolored and desalted by using anion and cation exchange resin. The desalted liquid was filtered with an ultrafilter membrane.
凝灰岩和凝灰质砂的阳离子交换容量差异显著，说明离子交换作用仅发生在粘土矿物的表面，凝灰岩中蒙脱石的层间没有发生阳离子交换。
Together with dominance of ion exchange processes in sorption indicated by sequential extraction analysis, it suggests an absence of specific sorption at sites of this kind.
凝灰岩和凝灰质砂的阳离子交换容量差异显著，说明离子交换作用仅发生在粘土矿物的表面，凝灰岩中蒙脱石的层间没有发生阳离子交换。
Together with dominance of ion exchange processes in sorption indicated by sequential extraction analysis, it suggests an absence of specific sorption at sites of this kind.
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