这样我们碰到了结构对反应速度的第一个影响,这种影响是以溶剂粘度的重要性为基础的。
We thus meet the first effect of structure on reaction rate, an influence on the importance of solvent viscosity.
研究了水的用量,醚化温度,溶剂的量对CMS的粘度和取代度的影响。
Study the dosage of the water temperature, etherification, solvent quantity of CMS viscosity and substitution degree.
这些苯胺的双分子淬灭速度常数取决于溶剂的粘度,而且在粘稠的烷烃中可以超过理论上扩散控制的限度。
The bimolecular quenching constants by - these anilines depend on the solvent viscosity and may exceed theoretical diffusion controlled limit in viscous hydrocarbons.
试验结果表明,混合溶剂较单一溶剂对紫胶的溶解性能好,胶液粘度低,漆膜干燥快。
It has shown that mixed solvent is more effective for the shellac than single solvent resulting in a low viscous solution and fast dry film.
所得接枝胶乳粘度较高、粘结性能较好、耐溶剂性能好,且有较好阻燃性。
The graft latex was a new kind of modified latex with high viscosity, good adhesion strength, good resistance of solvent and flame retardation.
低粘度,建议用于无溶剂油漆,抗化学腐蚀。
Low viscosity resin. Recommended for solvent free coatings with high chemical resistance.
而在高粘度极性溶剂中,分子内旋转损耗是主要的非辐射衰减机制。
Whereas in polar media with high viscosity, the internal rotation loss is the majorly nonradiative decay process.
聚酰胺的分子量越大,也就意味着尼龙的分子链越长,其在所选用溶剂里的一定浓度下的粘度就越大。
The higher the molecular weight of the polyamide - that is, the longer the nylon molecules - the higher the viscosity will be at a given concentration in the selected solvent.
活性溶剂加速RD X热分解,惰性溶剂对RDX热分解速率无影响或因其粘度较大而降低了热分解速率。
Active solvents accelerate RDX decomposition rate, inertial solvents do not affect RDX decomposition rate or inhibit RDX decomposition because of their large viscosity.
探讨了以异丙醇-水作溶剂,通过一次醚化,制备高取代度、高粘度羧甲基淀粉醚的最佳条件。
This paper discusses the optimum condition for preparing carboxymethyl starch with high degree of substitution and high viscosity by using the solution isopropanol-water through etherification.
能与选定的溶剂形成高浓度低粘度体系。
Work with selected solvents of low viscosity of the formation of high concentration.
墨水溶液粘度、表面张力及耐溶剂性能、粘附性能均较佳。
The prepared ink has good solution viscosity, surface force, solvent resistance and adhesive capacity.
低粘度,高强度,耐冲击、耐振动、耐溶剂性优良。
Low viscosity, high strength, resistant to impact, vibration and solvent.
前言: 概述了凹凸棒土在高颜基比溶剂型涂料中的应用与对比,结果表明可改善溶剂型涂料的储存沉淀性,并对油漆光泽和粘度影响也不大。
The result of the study is: precipitation in storage was improved, less influence on the viscosity of the coatings and gloss of the film.
溶剂起到稀释的作用,有利于聚合反应热的传递,同时由于溶剂使反应混合物的粘度降低,使得搅拌较为容易。
The solvent ACTS as diluent and AIDS in the transfer of the heat of polymerization. The solvent also allows easier stirring, since the viscosity of the reaction mixture is decreased.
分析了表饰剂中溶剂的组成变化,测定了溶剂的挥发率对表饰剂粘度、形成絮凝结构强弱及平行板粘度表征的表饰剂的流动性的影响。
The indigrient's change in coating finishing, the ink viscosity and flocculate structure were analysed. The experiments also showed the effect of parallel viscometer on fluidity.
少量成功的工艺使用大量的溶剂以避免连续相的高粘度,尽管这与实验室制备有时使用的方法接近。
Few successful processes have used the very large amounts of solvent needed to avoid high viscosities in the continuous phase, although this approach is sometimes used for laboratory preparations.
采用溶液聚合法合成了高固体分低粘度的羟基丙烯酸树脂(HAR),详细讨论了引发剂、链转移剂、反应温度、溶剂等对HAR粘度的影响。
Hydroxyl acrylic acid resin (HAR) with high solid and low viscosity was polymerized from an appropriate acrylic acid monomer in solution.
结果表明:选择自身粘度较小且溶剂化能力较弱的增塑剂及随增塑剂用量增加,PVC增塑糊粘度下降、粘度稳定性逐渐变好,有利于PVC增塑糊的排气性能提高,延长PVC增塑糊的凝胶化时间。
The results show that the viscosity of PVC plastisol is decreased and the viscosity stability is improved when self - viscosity and the property of solution of PVC plasticizer are poorer.
中粘度,主要用于无溶剂油漆和建筑。
Medium viscosity resin. Used mainly for solvent free coatings and building applications.
采用粘度法分析了不同溶剂对壳聚糖粘度的影响,用光散射法测定了超声波分级的壳聚糖的相对分子质量。
The relative molecular mass of chitosan fractionated by ultrasonic wave was measured by the light scattering method.
采用粘度法分析了不同溶剂对壳聚糖粘度的影响,用光散射法测定了超声波分级的壳聚糖的相对分子质量。
The relative molecular mass of chitosan fractionated by ultrasonic wave was measured by the light scattering method.
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