• 结果表明:在连续入渗条件下,离子交换作用控制地下水硬度升高主要过程

    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.

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  • 混合岩溶空间松散沉积物的各种离子交换作用主要离子交换吸附

    The ion exchange between mixed water and unconsolidated deposits inside caves is characteristic of cation exchange adsorption.

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  • 去除原理主要沸石离子吸附作用离子离子交换作用前者强于后者

    The removal function is based on the absorption of zeolite for nonionic ammonia and on the ion-exchange of zeolite with ionic ammonia , and the former is always stronger than the latter .

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  • 主要去除机理包括吸附、表面络合溶解-沉淀以及重金属离子晶格之间离子交换作用

    Removal mechanisms include ad-sorption-sorption of cations on the apatites, surface-complexation, dissolution-precipitation and ion-exchange between the aqueous cations and the lattice Ca2+.

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  • 灰岩和凝灰质砂离子交换容量差异显著,说明离子交换作用仅发生粘土矿物的表面,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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  • 研究了有机酸离子交换垫片组(日本)上作用机制

    The mechanism of organic acids on an anion exchange column Shim pack (Shimadzu, Japan) have been studied.

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  • 离子交换树脂最新的抗燃油处理技术处理酸的能力硅藻土7并且对已经存在的磷酸金属盐有分解作用

    Ion exchange resin is a new type FRF processing technology, whose capacity is 7 times higher than diatomite and it can decompose phosphate.

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  • 结果表明混凝主要作用机理有吸附离子交换络合沉降

    The experiment results suggested that the defluoridation process of aluminum salt coagulant includes adsorption, ion exchange and complex precipitation, etc.

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  • 目的:探讨离子交换蛋白视网膜色素上皮(RPE)细胞特异性吞噬过程中的作用

    Objective To investigate the role of anion exchange in nonspecific phagocytic process of human retinal pigment epithelial (RPE) cells.

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  • 考察了合型离子交换金属离子作用研究蛋白质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.

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  • 过渡带地下水化学成分不是淡水海水简单混合,阳离子交换其中起了重要作用

    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.

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  • 天然斜发沸石再生性能及其影响因素以及天然斜发沸石离子交换作用工艺进行了研究。

    The regeneration capability, the influencing factors and the ion exchange technics of the natural clinoptilolite to ammonia nitrogen were researched.

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  • 树脂重金属离子吸附离子交换物理吸附电荷中和共同作用的结果。

    It is speculated that the absorption mechanisms of the resins for heavy metal ion include ion exchange, physical adsorption and charge neutralization.

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  • 实验研究代十二烷异相催化合成(反应是以十二醇和溴酸为原料,在预处理后的717离子交换树脂催化剂作用进行的)。

    The heterogeneous catalytic synthesis of 1 bromododecane from ROH and HBr is studied . The experiment is carried out with 717 anion exchange resin as catalyst .

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  • 介绍了在硫酸、732离子交换树脂催化作用制备环氧豆油工艺得出最佳工艺条件

    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.

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  • 实验结果表明同一涂层不同离子交换碳钢腐蚀行为不同影响,可以通过选择具有缓蚀作用交换离子来改善涂层的防蚀性能。

    The results shows that the different ion exchangers in the same ion-selective organic coating have different effect on the corrosion behavior of carbon steel.

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  • 阴阳离子交换柱去除杂质,同时起到一定脱色作用,进而运用滤进行澄清。

    The extract was decolored and desalted by using anion and cation exchange resin. The desalted liquid was filtered with an ultrafilter membrane.

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  • 进一步提供可选择额外的纯化步骤包括溶胞产物过滤离子交换三联体亲和层析和疏水性相互作用层析。

    It further provides for optional additional purification steps, including lysate filtration, anion exchange chromatography, triplex affinity chromatography, and hydrophobic interaction chromatography.

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  • 目的考察离子交换纤维对葛根素静态吸附解吸作用

    Objective To study the performance of ion exchange fiber adsorbing and desorbing puerarin by batch method.

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  • 研究酸性离子交换树脂合成反应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.

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  • 研究酸性离子交换树脂合成反应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.

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