阳离子的

The application results showed that the softness of the paper is 575 mN compared with the softness of the paper without softener is 897 mN when the cationic degree of the softener is 0.6 and its dosage is 1.0%. The cationic diamide softening agent has a perfect softening effect and an application prospect in papermaking.

以草浆为原料抄纸，通过纸张应用实验表明，在配制乳液时加入10%十六烷基三甲基氯化铵作为乳化剂，所得柔软剂乳液分散均匀、稳定，有利于柔软剂与纸张纤维发生较好的吸附，当柔软剂的阳离子度为0.6，其用量为1%时，纸张的柔软度可达到575 mN。

As a result, heavy metals are transported directional under the DC electric field. The feasibility of electrokinetic technique in remediation of heavy metal contaminated soil has been demonstrated in this thesis.

论文考察了动电修复技术去除土壤中重金属污染物的可行性并针对该技术中存在的问题提出了阳离子选择透过膜强化的动电修复技术。

Meanwhile, the dosages of etherification agent and alkali influencing on degree of substitution and reaction efficiency are discussed.

同时讨论了醚化剂用量和碱的用量对取代度和反应效率的影响，确定了合成阳离子淀粉反应的最佳碱催化剂用量为 1%。

Meanwhile, the dosages of etherification agent and alkali influencing on degree of substitution and reaction efficiency are discussed. The optimal alkali catalyst dosage (1%) is determined in the process of preparing cationic starch.

同时讨论了醚化剂用量和碱的用量对取代度和反应效率的影响，确定了合成阳离子淀粉反应的最佳碱催化剂用量为1%。

The effect of cationic comonomer methacryloyloxy ethyl trimethylammonium chloride on the rate of polymerization,the dissolvability of polymer in THF,the stability and pH value of methyl methacrylate/butyl acrylate/DMC soap-free emulsion were studied systematically.

研究了阳离子型共聚单体甲基丙烯酰氧乙基三甲基氯化铵的用量对甲基丙烯酸甲酯/丙烯酸丁酯/DMC 无皂乳液聚合速率、聚合物在THF中的溶解性、乳液稳定性及pH值的影响。

Under the same conditions of the monomer ratio, improved the cationic degree and flocculation performance.

本实验在单体配比不变的条件下，提高了产物的阳离子度，从而提高了产物的絮凝性能。

The process can convert over 95% isobutylene in C 4 olefin into diisobutylene or isooctene in the present of acid cation exchange resin catalyst,and partial 1-butylene also take part in the reaction.

介绍了一种混合碳四烯烃叠合利用的预反和催化蒸馏组合技术，该技术以酸性阳离子交换树脂为催化剂，可以将混合碳四烯烃中的95%以上的异丁烯叠合反应生成二异丁烯和异辛烯，且部分正丁烯也参与二聚或共聚。

A single chain protein with an apparent molecular weight of 33 kDa was purified from skin of Bombina maxima by a combination of ion exchange and gel filtration chromatography steps. N-terminal amino acid sequence determination indicated that it shares 70%, 64% and 56% identity with those of annexin Ⅱ from the African claw toad, red jungle fowl and human, respectively.

通过阴离子交换、凝胶过滤和阳离子交换层析，从大蹼铃蟾皮肤中纯化到一个表观分子量为33kDa的单链蛋白。N-末端序列比较分析显示，该蛋白与来自非洲爪蟾、红色原鸡和人膜联蛋白Ⅱ的N-末端序列相同的氨基酸分别占70％、64％和56％。

Independently tested, LXT PVC provides superior resistance to regular PVC for leaching of anion, cation, and numerous trace metals when subjected to 18.2 megohm deionized water while maintaining ease of installation.

经过第三方独立测试，对于19.2兆欧姆去离子水，LXT PVC对于阴离子、阳离子和许多痕量金属的滤去具有极高的耐抗性，同时还保持安装的简便性。

FVN Cationic Color Fixer is one of accelerant for pigment dye. It enhance the expansibility and moistness of fabric, and therefore speed up process of dyeing.

FVN阳离子导染剂是促染助剂的一种，它可提高纤维的膨润性，促进染料往纤维内部扩散的速度，使易於染著。

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。