阳离子的

Both the functional additive and beeswax were emulsified with mixed emulsifiers and blended with cationic hydroxylsilicone emulsion to produce the multifunctional feeling agent ,which gives leather smoothy and oily feelings together with antiseptic.

将该季铵盐作为功能添加剂加入蜡中，以复合乳化剂乳化制得蜡乳液，进一步与阳离子型羟基硅油乳液共混得到的手感剂不仅赋予皮革油润的蜡感和滑爽感，并使皮革具有抗菌、抗静电

In the wash solution, these positively charged cationics adsorb to the negatively charged surface of fabrics.

在溶液中，这些带正电的阳离子吸附在表面带负离子的织物上，起到润滑作用。

Through conducting research on the classification of high density drilling fluid, the optimal grain distribution of adulterant is determined using the density-grain-viscosity curve.

对高密度钻井液进行了分类，以密度－粒度－黏度曲线确定了最优化加重剂粒度分布，通过优化基浆配制工艺、优选强抑制钻井液体系、优化加重剂与钻井液的粒度分布研究，应用超微细、亚微态粒子稳定技术，强化固相控制，形成一套优化的高密度阳离子钻井液技术工艺。

The anion-exchange ion chromatography is suitable for the separation and analysis of alkaline earth metal ions, transition metal ions and rare earth metal ions.

综述了离子色谱法分析金属离子的研究进展，对目前应用于分析金属离子的阳离子交换IC、阴离子交换IC和螯合离子色谱进行了评述。

The flocculation of fine diaspore, kaolinite, illite and pyrophyllite were systematically investigated by the sedimentation test using anionic ployacrylate (AP7), cationic ployacrylate (CP3), carboxymethyl cellulose and a new organism HSPA as flocculants.

采用沉降试验法系统地考查了阴离子聚丙烯酰胺(AP7)，阳离子聚丙烯酰胺(CP3)，羧甲基纤维素和有机絮凝剂HSPA对细粒一水硬铝石、高岭石、伊利石和叶腊石4种单矿物以及人工混合矿的絮凝性能。

Sizing is clearly headed in the direction of neutral, and neutral divides in two directions: one is self-retention of neutral, such as the AKD, ASA cationtype Rosin, neutrase ployster and the other is a non-self-fixed neutral, such as the anion dispersed oil Rosin, anion, neutral polyester resin, and the latest research interest is the preparation, to meet the many self-retention and Rosin Sizing the performance of the Department of sizing agent, such as neutrase ployster, epoxidized Rosin, etc.

造纸施胶正朝着中性施胶方向迅猛发展，而中性施胶剂又分为两个方向，一是自身留着型中性施胶剂，如AKD、ASA、阳离子分散松香胶、中性聚酯，另一类是非自定型中性施胶剂，如阴离子中性分散松香、阴离子石油树脂、中性聚酯等，而最新型研究方向则是将二者统一起来，制备成兼具自身留着和松香系施胶性能的施胶剂，如中性聚酯，环氧化松香等。

A minimum average DP of 6 was required for pectic acid to interact strongly with cationic polymers and reduce the efficiency of the latter.

果胶酸类物质只有其平均聚合度超过6时，才会与阳离子聚合物发生较强的反应，降低其使用效率。

Citric acid lauryl alcohol ester was synthesized by the esterification of citric acid with lauryl alcohol using p methylbenzenesulfonic acid or cation exchange resin as the catalyst.

分别用阳离子交换树脂和对甲苯磺酸催化柠檬酸和月桂醇进行酯化反应，合成了柠檬酸月桂醇酯。考察了催化剂用量、原料配比、反应时间和反应温度等对合成反应的影响，优化了合成工艺条件。

On the other hand, the energy decomposition shows that dispersion and repulsive exchange forces play an important role in the organic cation-π interaction, although the electrostatic and induction forces dominate the interaction.

其次，能量分解结果显示，虽然静电能和诱导能在阳离子（NH4+）－π相互作用中占主导地位，但色散能和交换排斥能也是不可忽视的。

Methods Streptomycin and dihydrostreptomycin were extracted from honey samples using a liquid extraction with a phosphate buffer followed by a solid-phase extraction based on weak cation-exchange columns. After sample preparation, the hydrophilic interaction chromatography was used to retain streptomycin and dihydrostreptomycin on the column for the separation of the analytes from endogenous compounds. The aminoglycosides were detected and quantified with electrospray ionization tandem mass spectrometry.

方法用磷酸盐缓冲溶液提取蜂蜜中的链霉素和双氢链霉素后，经弱阳离子交换柱进行固相萃取，样品制备后采用亲水作用色谱，使链霉素和双氢链霉素实现保留，从而与内源性物质达到分离，采用电喷雾离子化串联质谱法检测和定量。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。