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.
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.
其去除原理主要为沸石对非离子氨的吸附作用和与离子氨的离子交换作用,且前者总强于后者。
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 .
主要的去除机理包括吸附、表面络合、溶解-沉淀以及重金属离子与晶格中之间的离子交换作用。
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+.
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.
研究了有机酸在阴离子交换柱垫片组(日本岛津)上的作用机制。
The mechanism of organic acids on an anion exchange column Shim pack (Shimadzu, Japan) have been studied.
离子交换树脂是最新的抗燃油处理技术,其处理酸的能力是硅藻土的7倍,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.
结果表明,铝盐混凝除氟的主要作用机理有吸附、离子交换、络合沉降等。
The experiment results suggested that the defluoridation process of aluminum salt coagulant includes adsorption, ion exchange and complex precipitation, etc.
目的:探讨阴离子交换蛋白在人视网膜色素上皮(RPE)细胞非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.
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.
对天然斜发沸石的再生性能及其影响因素以及天然斜发沸石离子交换氨氮作用的工艺进行了研究。
The regeneration capability, the influencing factors and the ion exchange technics of the natural clinoptilolite to ammonia nitrogen were researched.
树脂对重金属离子的吸附是离子交换、物理吸附和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.
实验研究了溴代十二烷的异相催化合成(反应是以十二醇和氢溴酸为原料,在预处理后的717阴离子交换树脂催化剂作用下进行的)。
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 .
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.
实验结果表明,同一种涂层中不同离子交换体对碳钢的腐蚀行为有不同影响,可以通过选择具有缓蚀作用的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.
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.
进一步提供了可选择的额外的纯化步骤,包括溶胞产物过滤、阴离子交换层析、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.
目的考察离子交换纤维对葛根素的静态吸附和解吸作用。
Objective To study the performance of ion exchange fiber adsorbing and desorbing puerarin by batch method.
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.
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.
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