查询词典 cationic

The color reaction of the cationic dye crystal violet, with anionic surfactant, sodium dodecyl sulfate was studied in this paper.

本文研究了碱性染料与阴离子表面活性剂十二烷基硫酸钠的显色反应。

A cationic near-IR cyanine was used as a chromic probe and its binding reaction with nucleic acids was studied.

以阳离子型近红外花菁染料做为生色探针，研究了该染料与核酸的结合反应。

The results showed that the cross-linking cationic starch was an excellent decolorant for reactive dyes.

对制得阳离子淀粉的脱色性能研究结果表明，交联高取代度阳离子淀粉对活性染料具有优异的脱色效果。

The result indicated that cationic quaternary ammonium salt decolorizer was a kind of effectual decolorizer for leather dye wastewater.

结果表明季胺盐类脱色剂对皮革染料废水具有良好的脱色效果。

The cationic clusters Pt_2~+ and Pt_3~+can dehydrogenate methane efficiently due to remarkable thermodynamic stability of theproducts.

由于最终的生成产物拥有较高的热力学稳定性，Pt_2~+与Pt_3~+阳离子团簇都能有效地和甲烷发生脱氢反应。

This paper deals with the preparation and application of a cationic diamide sizing agent with softening function and discusses some factors affecting the sizing degree and softness .

叙述了一种具有柔软作用的阳离子双酰胺类施胶剂的制备及应用，讨论了多种因素对施胶度及柔软性的影响。

This paper deals with the preparation and application of the cationic diamide softening agent ,which is synthesized by using cattle oil,Diethylenetriamine and dimethyl sulfate.

以牛油、二乙烯三胺和硫酸二甲酯为主要原料合成了一种新型阳离子双酰胺类纸张柔软剂。

The cationic diamide softener was prepared from stearic acid, diethylenetriamine and expoy chloropropane.

陕西科技大学化学与化工学院，陕西西安，710021

The influences of the amount of 1,2-diaminoethane, temperature, molar ratio of epichlorohydrin and dimethylamine, and time on the viscosity and cationic degree of polyamine flocculants were investigated.

以环氧氯丙烷和二甲胺为原料，乙二胺为交联剂，制备有机阳离子聚合物，研究乙二胺加入量、反应温度、环氧氯丙烷和二甲胺的摩尔比、聚合时间等对聚合物粘度和阳离子度的影响。

The results show that when molar ratio of epichlorohydrin and dimethylamine is set as 1.5:1 and the amount of 1,2-diaminoethane is 3%, polyamine flocculants get the best viscosity and cationic degree and have excellent decoloration efficiency through the adsorption and subsequent formation of particle-polymer-particle bridges.

结果表明，环氧氯丙烷和二甲胺的摩尔比为1.5：1，乙二胺加入量为3%时，聚合物的粘度和阳离子度最大，具有较强的吸附架桥和电中和作用，对染料废水有较好的脱色效果。

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。