阳离子的

The dynamic and equilibrium surface tensions and conductivity of the dilute solutions of cationic polyacrylamide and SDS were measured with pendant drop tensiometer and conductometer, respectively.

通过测量阳离子型聚丙烯酰胺/十二烷基硫酸钠体系的动态表面张力、平衡表面张力及电导率，研究了聚丙烯酰胺的阳离子度的作用。

In this paper the surface charge density of cationic kraft pulp was chosen as response variable and the preparation conditions of cationic kraft pulp by the in-situ grafting copolymeration of acrylamide and cationic monomer, [2- ethyl] trimethyl-ammonium chloride were optimized by central composite design.

摘 要：以阳离子硫酸盐浆的表面电荷密度为评价指标，采用中心复合设计法对丙烯酰胺和甲基丙烯酰氧基乙基三甲基氯化铵接枝共聚制备阳离子硫酸盐浆的工艺进行了优化。

With a view to getting rid of unlevel dyeing effects of conventional cationic dyes on acrylic fibers, a migrating cationic red, Migrating Cationic Red Ⅰ by name for the time being, has been prepared.

为了免除习用阳离子染料对聚丙烯腈纤维染色不匀的影响，本文制得暂行定名为迁移性阳离子红的红色染料。

Based on the associated reactions of bromothymol blue with cationic surface- active agent when put in phosphate buffer solution of pH7.5～8.5 and fades, a new way for determination of cationic surfactant by Spectrophotometric methods was established.

摘 要：基于溴百里酚蓝在 pH7.5～ 8 5的磷酸盐缓冲介质中，与阳离子表面活性剂发生离子缔合反应，而使溴百里酚蓝褪色这一现象，建立了分光光度测定阳离子表面活性剂的新方法。

The present situation of research and application of cationic emulsion as paper chemicals at home and abroad are introduced.

介绍了国内外阳离子乳液在造纸工业中的应用及研究现状，并对利用乳液聚合新工艺制备适应于造纸清洁化生产的高效阳离子乳液造纸助剂作了展望。

This study was to find a new cationic collector with better selectivity and collectability than alkyl amine to realize the selective flotation of silica from the iron ore.

本文对新型CS系列阳离子药剂及常规阳离子药剂对石英、磁铁矿和镜铁矿三种矿物浮选行为的影响规律进行了系统的研究。

The sodium bentonite was modified by organic reagent hexadecyl trimenthyl ammonium bromide and cationic polyacrylamide. The structures of modified organo-bentonite and the effect of concentration of the intercalating reagent and reacting time on decoloring capacity were studied.

用阳离子有机改性剂十六烷基三甲基溴化铵和阳离子聚丙烯酰胺复合插层改性钠基膨润土，分析了改性膨润土的结构，研究了改性剂质量浓度及二次改性时间对复合插层膨润土脱色效果的影响。

Methods Purification results were compared among the differential combination chromatography of anion and cation exchange, anion and cation exchange chromatography of both isocratic elution, and affinity chromatography.

阴、阳离子交换示差组合色谱法，以等度洗脱方法进行的阴、阳离子交换组合色谱，以及亲和色谱的纯化结果相对比。

The characteristics and the development process of cationic emulsified asphalt, and the technological benefit of it in road construction are introduced.

介绍了阳离子乳化沥青的特性、发展过程及其在筑路方面的技术效益，叙述了阳离子乳化沥青路面的施工技术。

The application characteristics of liquid dyes in kraft liner board was discussed in this paper, and the performances of cationic and anionic direct dye s were analyzed.

叙述了液体染料的应用特性，并对阴、阳离子直接染料的染色特性进行分析，阴离子直接染料用在牛皮箱板纸上总的染色成本稍低，耐光性稍好；而阳离子直接染料在调色过程、换色相时较便利。

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。