查询词典 viscosities

The intrinsic viscosities , weight average molecular weights M w , number average molecular weights Mn were determined by viscometry,light scattering and memberane osmometry.

由粘度、光散射和膜渗透压法测定了特性粘度［η］、重均分子量Mw及数均分子量Mn，GL2、GL3和GL5多糖的Mw值分别为124×104、12.8×104和5.8×104。

In the paper, more than 1500 data points about the densities and viscosities and capacities for five binary systems related TPA at atmospheric pressure were measured using the pycnometer, Ubbelohde viscometer and the differential scanning calorimeter.

首先利用比重瓶、乌氏粘度计和差示扫描热量计测定了对二甲苯和醋酸、醋酸和水等五个二元体系在常压下的1500多个数据点的密度、粘度、比热数据。

And more, the experimental densities, viscosities and interfacial tension data of MPO+H_2O binary system at 298.15K～367.15K were presented under atmospheric pressure, which Ostwald-Sprengel-type pycnometer used for determination of density, Ubbelohde capillary viscometer for viscosity and Maximum Bubble Method for surface tension.

结果表明：纯液体MPO的密度与温度关系符合Francis模型ρ／g.cm~(-3)=1.032-6.90×10~(-4)t／℃；一定温度下MPO+水二元体系的密度随浓度变化大约在70％处出现了一极大值；纯液体MPO的粘度与温度关系符合Andrade方程1n=-14.526+5854.9／T。

Transport properties including the coefficients of self-diffusion, viscosities, and conductivities were also studied and compared.

系统地研究并比较了离子液体的扩散性质，包括体系阴阳离子的自扩散系数、粘度及电导率。

Such estimate of viscosities do give us some concept of the sluggishness of debris flows.

这种对泥石流粘度的估计确实给我们提供了一些泥石流惰性方面的概念。

A sharp-edged stainless steel orifice provides excellent measurement stability for viscosities from 0-500 SSU.

阿锋利的不锈钢孔从0-500语常会办事处提供的粘度测量的稳定性良好。

A sharp-edged stainless steel orifice provides excellent measurement stability for viscosities ranging from 0-500 SSU.

阿锋利的不锈钢孔提供从0-500亚基等优秀的粘度测量的稳定性。

The viscosities of tellurite glasses containing different alkali metals were studied, and the curves were fitting by Levenberg-Marquardt method.

研究了不同碱金属离子的碲酸盐玻璃在较低温度范围内的粘度曲线，并采用麦夸特优化算法对曲线进行拟合。

Based on Prandtl's momentum transportation, this paper calculates in detail the physical quantities such as eddy viscosities, and ratio of eddy viscosity to motion viscosity, total stresses with respect to relative position in three regions of viscous sub-layer, buffer layer, and main turbulent stream for non-Newtonian fluid flowing turbulently in ducts, which according to Karman's three layer models and measurement of fluid parameters in evaluation apparatus, discusses the influence of polymer drag reduction on flowing properties of non-Newton fluid, analyzes quantitatively principle of turbulent reduction phenomenon and condition of increasing reduction rate.

摘要以普兰德动量传递理论为基础，按照卡门的三层模型，通过室内模拟环道用0号柴油及加入减阻剂在圆管内的流动参数的测定，计算了非牛顿型流体管内湍流边界层的层流内层、过渡层、湍流中心的涡流粘度，涡流粘度与运动粘度比、总应力随相对位置的变化等定量参数，探讨了高分子减阻剂对非牛顿流体流动特性的影响，对湍流减阻现象的机理与增大减阻率的条件进行了定量分析。

At the range of 313 to 413 K,viscosities of Ethylene Glycoland Diethylene Glycolwith NY2 catalyst were measured under atmospheric pressure by using a NDJ-1 circumrotation viscometer.

乙二醇是最简单的脂肪族二元醇，也是重要有机化工原料，主要用于生产单体聚酯和汽车防冻剂[1]。

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