Human defensins,found in the blood,intestinal tract and epithelial cells,are small,cystin-rich cationic peptides with special structure.

人类防御素是一种存在于血液、肠道及表皮细胞中具有特殊空间结构,富含精氨酸阳离多肽。

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

在溶液中，这些带正电阳离吸附在表面带负离物上，起到润滑用。

The preparation and application of internal and external sulfonium cationic polymer since 1960s are summarized comprehensively in this paper.

较全面地综内外自60年代以来叔锍阳离聚合物制备与应用情况。

The cationic ring-opening polymerizations of epoxide based monomers were studied using tris(2-hydrooxyethyl) isocyanurate(THEIC) as initiator and trifluoroboron plus ether complex system as catalyst.

发现THEIC与环氧单体可在非均相体系中平稳地进行阳离开环聚合反应。

A process for decolourization of anionic dye containing wastewater by using waste plastics in the presence of cationic auxiliary and sodium dodecylbenzene sulfonate has been studied.

探讨在阳离助剂及十二烷基苯磺酸钠存在下,利用废旧塑料对阴离染料脱色工艺。

As a quaternary cationics,amine cake has such properties as wetting,adsorption and emulsification,and brings a good effect by oil coating compound fertilizer when it is added into oil.

在复混肥包裹油中添加胺片,包裹总体效果令人满意。