阳离子的

The process conditions for preparing nonyl phenol with mixed nonylenes in the presence of sulfonated polystyrene type resin as catalyst and the method of regeneration of used catalyst were researched.

研究了以强酸性阳离子交换树脂为催化剂，以混合C=9为原料制备壬基酚的工艺条件及树脂的再生方法，并考察了催化剂及再生剂的使用寿命。

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。

Esoporous Al MSU X aluminosilicates have been prepared through a two step route using preformed zeolite like nanoclusters and TX 100 as the inorganic source and mesostructure directing agent respectively, and characterized by XRD, HRTEM, N 2 adsorption desorption isotherm, 27Al MAS NMR, NH 3 TPD and so on.

SU X介孔材料是具有三维"wormhole like"孔道特征，且它采用廉价、无毒和可降解的非离子表面活性剂于弱酸性或中性介质中合成的，与使用季铵盐阳离子表面活性剂为模板剂的其它介孔材料相比，无论在合成过程或应用方面都有诸多优势[1 ，2 ] 。

The product obtained appears transparent or semitransparent , with the characteristics of low emulsifier content , high molecular weight , good stability .

采用该技术最终得到透明或半透明的阳离子聚丙烯酰胺反相准微胶乳产品，它具有反相乳液产品分子量高和乳化剂含量低的特点，同时具有反相微乳液产品稳定性高的优点。

The relationship of ore-forming fluid salinity-aqueous cation lg demonstrated that water-rock reaction was also one of the potential gold deposition mechanisms besides mixing with meteoric water. All of these were consistent with that sericitization and pyritization hydrothermal alteration were extensively/intensively distributed (as high as 33%), gold grade linearly correlated with degree of alteration,∑REE depletion and δ〓O enrichment

成矿流体盐度-液相主要阳离子组分1g演化规律研究表明，除与大气降水的混合-稀释外，水-岩相互作用也可能是造成金沉淀的重要因素，这与本文所研究金矿床中绢云母化、黄铁矿化等热液蚀变广泛发育(可高达33％)，Au品位与热液蚀变程度、REE亏损量及δ〓O富集规模表现出较为明显的线性关系等一系列地质事实相吻合

In this work, the ferromagnetic resonance line width of a ferrite with two kinds of cations randomly distributed on a sublattice is calculated by taking into account the spatial fluctuation of both the spins and the exchange integrals.

本文同时考虑自旋矩和交换积分的室间涨落，计算了在一个次点阵上有二类阳离子无规分布的铁氧体的铁磁共振线宽。

The chromogenic reaction that aluminium-chromeazurol S reacts with cation surfactant CTAC (cetyl trimethylammonium chloride) to form stable iso-ligand ternary complex can be used to determine the luminosity of aluminium oxide.

在pH=6的乙酸盐缓冲溶液中，铝一铬天青S与阳离子表面活性剂氯化十六烷基三甲胺形成稳定异配位体三元络合物的显色反应，籍以进行三氧化二铝的光度测定。

The dispersion behavior of ultrafine talc in aqueous system was investigated by the sedimentation test. The dispersion effects of cationic surfactant and some anionic surfactants with different hydrophilic ionogens were studied. By testing the changes of Zeta potential and the dispersion rate of the system with the addition of surfactant, the dispersion mechanism of dispersants was discussed.

采用沉降法考察了阳离子表面活性剂和几种亲水基不同的阴离子表面活性剂在水介质中对微细滑石颗粒的分散效果；通过测试加入表面活性剂前后颗粒表面Zeta电位、体系分散率变化，探讨了分散剂的作用机理。

The central atom is bridged to each ofthe two external copper atoms through triple triazole ligands.

在5的配阳离子中，中心铜离子处在反对称中心与六个admtrz桥的六个氮原子形成拉长的八面体配位环境。

The title compound,(C6H6N3)(subscript 4)[Mo8]H2O, crystallizes in the triclinic system with Pī space group, the asymmetry unit of which is composed of one [Mo8](superscript 4)-anion, four protonate benzotriazolium organocations and a lattice water.

化合物(C6H6N3)4[Mo8]H2O的晶体结构属于三斜晶系的P1空间群，其不对称单元由1个[Mo8](上标 4-)，4个质子化的苯并三唑有机阳离子C6H6N3和1个结晶水组成。

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。