多孔性

Mixed cellulose ester membranefor hydrophilic is a mixture of cellulose acetatecellulose nitrate.

混合纤维素酯膜由硝酸纤维素酯和醋酸纤维素酯制成，是一种多孔性的精密过滤材料，滤膜表面孔径分布均。

Using a perturbation method, these linearized equations are solved for a composite sphere with the charge densities of the rigid core surface and of the surface layer as the small perturbation parameters. Analytical expressions for the settling velocity and electrophoretic mobility of the composite sphere in closed form have been obtained from a balance among its hydrodynamic, electrostatic, and/or gravitational forces.

以复合粒子之固体核心表面的电荷密度和多孔性表面层内的固定电荷密度为二个微小扰动参数，应用正规微扰法来求解这些已线性化之主导方程式，再藉平衡作用於复合粒子的重力、静电力和流体阻力等三种力后，可得到带电球形复合粒子的沉降速度及电泳可动度的解析形式表示式。

In this study, porous conductive films were grown on glass substrates, metal substrates and nickel bowl-like array substrates by using glancing angle deposition of aluminum, copper and titanium.

本研究利用斜向沉积法沉积Al、Cu及Ti於玻璃基板、金属基板及镍碗状阵列基板上制备多孔性电极基板。

Oil is usually found in porous rock under a layer of impermeable rock which prevents it from escaping.

石油通常存在于多孔性的岩石中，上面覆盖着不可渗透的岩层，使石油不致散失。

The results show that inclusion of nonsolvent cause the polymer solution separated into two phases at high temperature easily.

实验主要在探讨材料分子量、浓度、成型温度、成型时间等参数，对多孔性支架形态的影响。

It was discovered that the lower polymer concentration, appropriate nonsolvent content, small molecular weight PVP additive and litter longer dry journey were propitious to obtain the porosity and high flux separation membrane.

聚合物浓度低、添加适量的非溶剂、以小分子量PVP为添加剂及干程稍长都将有助于得到多孔性、高通量的分离膜。

Porosity is one of the most common weld defects.

多孔性是最为常见的焊接缺陷之一。

The porousness of snow makes it absorb sound.

雪的多孔性使它能够吸收声音。

The results indicated that the proton transport number and fuel cell performance of BaCe_(0.8)Y_(0.2)O_(3-α) synthesized by sol-gel method could be obviously affected by sintering temperature.

以烧结体样品为固体电解质、多孔性铂为电极，组成氢及氧浓差电池、氢-空气燃料电池，测定了BaCe_(0.8)Y_(0.2)O_(3-α)烧结体的质子和氧离子迁移数以及燃料电池的性能，并与高温固相反应法合成的样品进行了比较。

This paper describes a bench scale experiment that relates to the preparation of porous spherical sponge iron with the diameters from 1 to 5 mm and a series of static adsorption tests.

利用铁精粉造球和直接还原工艺制备了粒径1～5mm的多孔性球形海绵铁，对该球形海绵铁处理模拟硝酸盐污染水体进行了静态实验研究。

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