阴离子的

It is wide-ly used in clinical treatment,food,and cosmetic industry for its important physiologic function.

超氧化物歧化酶是生物体内清除超氧阴离子自由基的一种重要酶，具有重要的生理功能，在医药、食品、化妆品中有广泛的应用前景。

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。

In pH 5.3-6.8 Britton-Robinson buffer medium, Cefotaxime sodium can react with HgCl2 to form 1:1 anionic chelate, which can further react with basic triphenylmethane dye such as crystal violet, methyl violet, ethyl violet, brilliant green, iodine green, methyl green and malachite green to form ternary ion-association complexes. As a result, the resonance Rayleigh scattering spectrum was enhanced greatly.

在pH为5.3~6.8的Britton-Robinson缓冲溶液中，头孢噻肟钠与HgCl2形成摩尔比为1：1的螯合阴离子，它能进一步与结晶紫、甲基紫、乙基紫、亮绿、碘绿、甲基绿和孔雀石绿等碱性三苯甲烷类染料反应形成三元离子缔合物，导致共振瑞利散射的显著增强。

Macroporous tributyl amine aminating strongly basic anion exchange resin-a phase transfer catalyst with high catalytic activity for nucleophilic substitution,which was screened out via combinatorial chemistry method –was used to catalyze the nucleophilic substitution reactions for synthesis of benzyl acetate,benzyl propionate,benzyl butyrate and benzyl valerate.

用组合化学方法筛选出的对无外加碱条件下的亲核取代催化活性最高的聚合物季铵盐–三丁胺胺化强碱性阴离子交换树脂为相转移催化剂，催化合成了乙酸苄酯、丙酸苄酯、丁酸苄酯、戊酸苄酯等羧酸苄酯。

In the tests, the nonionic type polyacrylamide, the anion type polyacrylamide and the zwitterion type polyacrylamide, and the compounding of the poly-aluminum chloride/PHP and the calcium chloride (CaCl2)/NPAM were used as flocculation agents.

选择聚合氯化铝/阴离子型聚丙烯酰胺、氯化钙（CaCl2）/非离子型聚丙烯酰胺组合与NPAM、PHP、两性离子型聚丙烯酰胺作为絮凝剂，在对道清选煤厂水采筛下原生煤泥和浮选尾矿的煤泥水进行组合药剂絮凝实验的基础上，考察了pH对煤泥水絮凝沉降的影响。

Then lets the new long chain anion substitution organic nanometer to the alite surface small molecular anoin, thus the system is becoming theoretically can have certain anti-static electricity performance and the fluid organic nanometer salts fluid.

然后让新的长链阴离子取代有机纳米离子盐表面的小分子负离子，从而制在成理论上能够具有一定抗静电性能和流动性的有机纳米盐类流体。

The establishment of the theoretical models of NLO materials from anharmonic to double radical model, has enriched and increased greatly people's knowledge about NLO materials.

六十年代末期以来，随着量子化学的发展和计算机的普及，人们在定量计算的基础上，陆续提出了电荷转移、阴离子基团、双重基元模型。

Anionic species play an important role in the biological system, and theirrecognition has been extensively investigated and applied.

阴离子物种在生物体系中扮演着十分重要的角色，对它的识别有着广阔的理论研究和实际应用前景。

Due to the importance of anionic polymerization in polymer ,the dynamics was also discussed by statistics method.

鉴于阴离子型聚合在高分子科学中的特别地位，本文也用了聚合反应的统计理论对本实验体系的动力学与分子量分布进行了初步探讨。

My company produces a variety of cationic, anionic, nonionic range of products, we can deal with different objects to provide the best pharmaceutical product quality reached international advanced level.

我公司生产各种阳离子、阴离子、非离子系列的产品，可以为不同的处理对象提供最佳的药剂，产品质量达到国际先进水平。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。