粘度

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 rheological behavior of polyamic acid solution and the influential factors on its viscosity were studied with a cone-plate rheometer.

采用锥板粘度计研究了聚酰胺酸溶液的流变性能及其粘度的影响因素。

Saccharose could decreases the viscosity of 0.10%xanthan gum and 0.10%agar solutions, but when it mix with 0.25%guar gum and 0.30%sodium alginate, it has the opposite effect.

蔗糖能明显提高0.25%瓜尔胶和0.30%海藻酸钠溶液的粘度，但使0.10%琼脂及0.10%黄原胶溶液的粘度略为降低。

A uniform fast calculation model for R22 thermodynamic and transport properties on Saturation curve, covering temperature from the three-phase point (115.8K) to the critical point (369.3K), is rendered.

在马丁侯系列方程的基础上提出R22在饱和线上热物理性质统一的显式计算模型，并且达到已知饱和线上13个热物理参数（温度，压力，比体积，密度，焓，熵，定压比热容，定容比热容，动力粘度，运动粘度，热导，音速，表面张力）的任意一个，即可求得其它所有参数。

Uniform fast calculation model for R22 thermodynamic and transport properties on Saturation curve, covering temperature from the three-phase point (115.8K) to the critical point (369.3K), is rendered.

bstract 在马丁侯系列方程的基础上提出R22在饱和线上热物理性质统一的显式计算模型，并且达到已知饱和线上13个热物理参数（温度，压力，比体积，密度，焓，熵，定压比热容，定容比热容，动力粘度，运动粘度，热导，音速，表面张力）的任意一个，即可求得其它所有参数。

There is a mature process with silk fibroin descending down the gland and the structure of silk fibroin changes gradually, and forms a high viscous gel with some oriented structure finally.

随着丝素蛋白水溶液在腺体内的前移，丝素蛋白分子逐渐沿移动方向取向而呈有序态，最终成为粘度非常大的各向异性的凝胶体，而再生丝素蛋白水溶液是粘度非常低的各向同性溶液。

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。

This is due to the rising temperature, caused by substances increases the distance and reduce the Intermolecular force of gravity, so with the solation rising temperature, surface tension is gradually reduced.

粘度：蚀刻历程洋，随着铜的不停凝固，蚀刻液的粘度不离会增增，使蚀刻液在基不活铜箔暗地上变不静性不离不不对，间接感化蚀刻成果。

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！

The result shows that the viscosity was improved with the increase of the molecular mass of the product, the viscosity at 100℃ was between 17.827.6 mm^2/s, the viscosity index was more than 125, solidifying point was below -27℃, the oxidative stability was also improved with the increase of the molecular mass of the product. The biodegradabilities of complex esters were more than 70%. The value of PB was 784 N, the value of wear diameter was 0.41 mm, the temperature of thermal decomposition was above 250℃. The complex esters can be used as excellent green lubricants.

结果表明，复合酯的粘度随着分子量的增大而增大，粘度指数大于125，凝点低于－27℃，氧化稳定性随分子量的增大而提高，生物降解率＞70%，最大无卡咬负荷为784N，磨斑直径0.41mm，热分解温度＞250℃，因此目标产物是性能良好的绿色润滑剂。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐