阳离子

According to the invention, a base polymer which is produced on the basis of a monomer including up to at least 50 % neutralised acid groups is mixed with a first aqueous solution containing at least one surface secondary crosslinker and with a second aqueous solution containing at least one polyvalent cation, and is thermally treated.

根据本发明，使基质聚合物与含有至少一种表面二次交联剂的第一水溶液和含有至少一种多价阳离子的第二水溶液混合，并热处理，其中所述基质聚合物基于含有至少50％中和的酸官能团的单体而制备。

The experiment demonstrated that the determining factor of influencing resistance during membrane filtration was suspended solids in size, zeta potential on the surface and polyvalent cation remained in water after coagulation.

试验表明，影响膜过滤阻力的主要因素是水中的大分子溶解性有机物、悬浮颗粒尺寸、悬浮颗粒表面的Zeta电位和高价阳离子。

Polyvinyl acetate resin was prepared by suspension polymerization, and modified to carboxymethylated polyvinyl alcohol resin after several steps of reaction.

以悬浮聚合方法合成大孔聚醋酸乙烯酯树脂，通过一系列反应修饰成弱酸性阳离子交换树脂，表征了树脂的性能。

By examining RLS spectral features of four systems including Al3+-DNA, azoviolet-cationic surfactants, fast red VR-proteins, ponceau G-proteins in this thesis, and proved that the instrumental conditions of spectrofluorometer have strong effect on the shape of resonance light scattering spectra.

本文在讨论Al~(3+)-DNA、镁试剂Ⅰ阳离子表面活性剂、固红VR-蛋白质、丽春红G-蛋白质四个体系的RLS光谱特征的基础上，证明荧光分光光度计的仪器条件和样品的分子吸收等因素会影响共振光散射光谱的形状，降低检测的灵敏度。

Objective To realize the significance of eosinophilic positive ion protein in asthma and its change at various stage.

目的 了解嗜酸细胞阳离子蛋白在哮喘发病中的意义及临床不同时期的变化。

Objective To realize the significance of eosinophiic positive ion protein in asthma and its change at various stage.

目的 了解嗜酸细胞阳离子蛋白在哮喘发病中的意义及临床不同时期的变化。

The thickness of surface water film depends on the positive ion in pulp.

表面水的厚度与浆料的带电性和浆料中的阳离子种类有关。

This investigation describes the one step preparation of potassium carbonate by electrolysis of potassium chloride solution in the electrolyzers with various kinds of Nafion membranes.

采用添加KHCO_3的阴极液循环法，由KCl水溶液的离子膜电解，一次得到K_2CO_3。试验中对Nafion膜的导电度进行了测定，探讨了碱金属阳离子在离子膜中的行为。

Results showed that the hybrid monomer could photopolymerize effectively and both free radical and cationic polymerization processes were improved. When 2-Hydroxy-2-methyl-1-phenyl-1-propanone (1173) was introduced into hybrid system containing UVI-6976, the final conversion of propenyl ether double bond and polymerization rate increased obviously. The comparison of photopolymerization kinetics between hybrid and blend system was investigated as well.

结果表明，以硫鎓盐为光引发剂时，这三种杂化单体均可以有效进行杂化光聚合反应，丙烯基醚和丙烯酸酯双键都显示出较快的反应速度和较高的最终转化率，同时在简单结构的硫鎓盐（UVI-6976）引发体系中加入自由基引发剂2-羟基-2-甲基-1-苯基-1-丙酮（1173）后，丙烯基醚双键的阳离子聚合速率和最终转化率都有了很大提高。

Several physical and chemical factors, such as temperature, pH, cations and EDTA, can affect protamine's inhibitory potency to bacteria.

温度、pH、阳离子和EDTA等多种理化因子影响鱼精蛋白对细菌的抑制效果。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。