查询词典 cationic

Mutations in the cationic trypsinogen gene (PRSS1) have been detected in patients with hereditary pancreatitis.

阳离子胰蛋白酶原基因1突变在遗传性胰腺炎患者中被检测出来。

Hoskin, at Dalhousie for almost 20 years, researches cancer-killing agents from natural sources, including "cationic antimicrobial peptides" found in cow's milk and the skin secretions of a fish, the Atlantic Winter Flounder.

霍斯金博士，在达尔豪斯大学近20年来，研究癌症死亡代理商从天然来源，包括"阳离子抗菌肽"，发现在牛奶和皮肤分泌物的一条鱼，大西洋牙鲆的冬天。

Using N, N-dimethyl-ethylenediamine as cationic substitute and 2-hydroxyethyl methacrylate or allylamine as co-substitute, a kind of pH-sensitive polyorganophosphazenes bearing unsaturated side group was prepared.

以N，N-二甲基乙二胺为阳离子型取代基，甲基丙烯酸羟乙酯或烯丙胺为共取代基，制备了同时带有pH响应性侧基和不饱和双键侧基的聚膦腈。

Depending on the machine's design, either an anionic or cationic detergent is used.

根据对机器的设计，无论是一阴离子或阳离子洗涤剂的使用方式。

The effects of 19 anionic and 36 cationic species in aqua phase were examined.

考查了水相中存在19种阴离子和36种阳离对测定的影响。

The effects,advantages and disadvantages of anionic and cationic membranes and their combinations under different conditions were compared.

结果表明单阴膜法在处理pH值为0.5～1.0，初始镍的质量浓度为1000～2000mg／L的废水应用中有更好的处理效果。

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。

It was suggested that vesicles were formed by non-ideal mixing of cationic and anionic surfactants.

在实验结果和文献总结的基础上，说明了在正负离子表面活性剂混合体系中囊泡形成的非理想混合机理的合理性。

The invention relates to a preparation and purification method of bicaudal gemellus quaternary ammonium salt type cationic surfactant.

本发明涉及一种双尾双子季铵盐型阳离子表面活性剂的制备及纯化方法。

Then VIII reacted with hydrochloric acid and bromoethlane respectively to get tertiary ammonium chloride and quaternary ammonium bromide cationic surfactants, and the properties of cations were detected by the method of bromophenol blue.

然后再与盐酸和溴乙烷反应，合成铵盐和季铵盐型含氟阳离子表面活性剂，利用酸、碱性溴酚兰实验和铁氰化钾法分别对表面活性剂进行了定性和定量分析。

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。