查询词典 viscosity

The viscosity of the polymers increased rapidly with addition of SDS and reached maximum value, then decreased with further addition of SDS. Furthermore, the mixed solution apparent viscosity of P AM/NaAA/DiAC(subscript n/SDS increased with the increasing of side chain length.

水溶液的表观粘度随SDS质量浓度的增加急剧上升，超过一定浓度后又急剧下降；粘度增加的幅度随疏水链长度增加。

Apparent viscosity,non-Newtonian index and structural viscosity index were obtained as a function of nonsolvent contents and temperatures.

摘 要：研究了聚丙烯腈/二甲基亚砜/水三元混合纺丝原液在不同的含水量和温度下的流变性能，获得了表观黏度、非牛顿指数和结构黏度指数对于含水量和温度的依赖关系。

The shear viscosity of interfacial films containing nonionic surfactant, polyoxyethylene(4)nonyl phenyl ether (0.04 % mass fraction) and anion surfactant, sodium oleate (0.04 % mass fraction) decreased with the increase of time, and finally inclined to a constant. But the shear viscosity of interfacial films containing montmorillonite increased with the increase of t...

结果表明非离子表面活性剂壬基酚聚氧乙烯(4)醚polyoxyethylene(4nonylphenylether、阴离子表面活性剂油酸钠在0.04%浓度下其界面剪切粘度随时间延长而逐渐降低，然后趋向恒定；而蒙脱土界面剪切粘度随时间延长而逐渐上升，然后趋向恒定。

A method to establish the relationship between temperature and viscosity, which is high precision and simple operation, was presented, and the empirical formula of more than 10 species lubricants kinematic viscosity, expressed by quartic polynomial of logarithm of absolute temperature, was described.

提出了一种精度高、操作简便的润滑油温度—粘度关系式的建立方法，给出了用绝对温度的对数的四次多项式表示的十余种润滑油运动粘度经验公式。

In this study, viscosity method measuring viscosity-average molecular weight of ramie fiber was investigated.

本文采用粘度法测出了苎麻纤维的粘均分子量，分析探讨了不同整理液浓度、焙烘温度与纤维分子量之间的关系。

The effect of coconut amine on the viscosity and stability of residue asphaltene system was studied and the change in viscosity and colloid stability with coconut amine content was discussed briefly.

考察了表面活性剂椰子胺对石油沥青质体系粘度和胶体稳定性的影响，初步探讨了粘度和胶体稳定性随椰子胺质量分数变化的原因。

The flow properties of shaddock peel pectin solutions were studied and the intrinsic viscosity of pectin was determined and thus the viscosity-average molecular weight of pectin was obtained.

研究了柚皮果胶溶液的粘流性能，测定了果胶的特性粘度并由此计算出果胶的分子量。

In classic theory,it is held that, in Sobolev Space ［H1］3, there is the upper bound of the norm of the constant rotating flow of the incompressible viscous fluid between two closed surfaces. It is inversely proportional to the viscosity of the fluid, and it will go to infinity when the viscosity goes to zero.

经典理论认为，不可压缩粘性流体定常旋转流在Sobolev空间［H1］3中的范数的上界与流体粘度成反比，随着流体粘度的减小，这一上界会无限地增大。

For Golden-Brand Series synthetic compressor oil , kinematical viscosity is 7.6mm2/s(at 100℃), flash point is 258℃, solidifying point is -55℃,viscosity index is 135, which all reach the specification of ISO DAC/DAJ.

金牌合成油运动粘度7.6mm2/s(100℃)，闪点258℃，凝点-55℃，粘度指数135，均主要指标均达到了ISO DAC/DAJ 水平！

We add water-soluble polymer to the injecting water and enhance the viscosity of solution, so we can reduce the gap of viscosity between raw oil and injecting water and enhance the fluidity rate and the sweep efficiency.

聚合物驱油主要是在注入水中加入一定浓度的水溶性高分子聚合物以增加溶液的粘度，减小油水粘度差，改善流度比，扩大波及系数，以提高原油采收率。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。