查询词典 porous

The discrete heat and moisture transfer equation and control conditions are obtained with finite volume method. The temperature and moisture distribution and transient heat and moisture absorbing and desorbing of porous envelop are calculated with numerical method. The program for porous envelop heat and moisture transfer are developed by use of FORTRAN. The heat and moisture transfer model is verified using the examples given out in the reference [41] and testing data of funk hole located in A zone Chongqing university.

采用有限体积法对多孔材料热湿传递方程及控制条件进行离散，用数值方法求解多孔围护结构温湿度分布和壁面的瞬时热湿吸放量，采用FORTRAN语言编写了围护结构热湿传递计算程序，并用文献[41]给出的算例和重庆大学A区防空洞的测试数据对模型进行了验证。

Methods: The PP/porous PTFE/PP composite electret film was prepared with porous PTFE,polyethylene and PP by heat melting technique.The charge storage stability of the electret film and transportation were evaluated by using the methods of isothermal surface potential attenuation and open-circuit thermally stimulated discharge current spectra.

利用热融法将多孔PTFE、聚乙烯和PP制备成PP/多孔PTFE/PP复合膜驻极体，利用等效表面电位衰减和开路热刺激放电电流谱方法研究PP/多孔PTFE/PP驻极体的电荷储存稳定性及其输运规律。

Methods: The PP/porous PTFE/PP composite electret film was prepared with porous PTF'E, polyethylene and PP by heat melting technique. The charge storage stability of the electret film and transportation were evaluated by using the methods of isothermal surface potential attenuation and open-circuit thermally stimulated discharge current spectra.

利用热融法将多孔FTFE、聚乙烯和PP制备成PP/多孔PTFE/PP复合膜驻极体，利用等效表面电位衰减和开路热刺激放电电流谱方法研究PP/多孔PTFE/PP驻极体的电荷储存稳定性及其输运规律。

Based on the composite bounded reservoir model with two porous media, the Laplace solution of dimensionless pressure distribution under inner boundary condition (considering the wellbore storage and the skin effect) has been studied, and through analyzing the structures and interrelations of Laplace solution, the correlations with usual composite, two porous media and homogeneous reservoir pressure distribution have been found.

针对双孔介质复合封闭储层模型，研究了两种内边界条件(是否考虑井筒储存和表皮效应)下的变流率问题的无因次内、外区储层压力分布的Laplace空间解，在深入剖析了解的结构和相互联系的基础上，找出了它与常见的复合、双孔、均质储层压力分布间的相互关系。

This paper establishes mathematical models of unsteady and Non-Darcy low speed flow through the porous media and the double porous medium, and has obtained their solutions in an infinite reservoir through Laplace transformation, and their long time asymptotic solutions has been worked out, solutions on a bounded reservoir has also obtained through finite integral transformation and Laplace transformation.

从现场上各种水淹的实际资料来看，同一水动力的非均质油层系统中，渗透率相对较高的部分水洗之后，渗透率相对较低部分的油层却可以原封不动。而且，其渗透率可达达西级，含油饱和度可达80％以上。相对流动比(即同一水动力的非均质油层系统中，小层平均渗透率的最大值与其中不流动部分的小层平均渗透率的最大值相比)的比值在各种油层的生产实例中十分相近。一般的分布范围为3—7，常见的为4—6。实验室结果和生产实践基本相同。简单的注水和压裂对这一比值几乎无影响。

A preparation method of nickel oxide-base cathode of fused carbonate fuel cell is to select alkali earth metal oxide, transition metal oxide and rare-earth metal oxide, mix with carbonyl nickel powder in the proportion of 0.01-15.00 mol%, add assistant and mix even into a slurry; after the slurry is formed into a biscuit by doctor-blade casting, sinter it into a multi-porous nickel plate; dissolve lithium nitrate and cobaltous nitrate with mole ratio of Li:Co-1:1 and citric acid or PVA in the distilled water to make a solution with Li of 0.00-0.5 mol/L; immerse the multi-porous nickel plate or nickel oxide plate in the solution, keep for 10-60 minutes under vacuum below 200 millibar, then dry in an oven at 75 degrees centigrade further transfer to a crucible electric furnace preheated 650 degrees centigrade for keeping the temp.

要約 熔融碳酸盐燃料电池氧化镍基阴极的制备方法属于燃料电池领域。选取碱土金属氧化物、过渡金属氧化物和稀土金属氧化物，按0.01－15.00mol％的比例与羰基镍粉混合，加入助剂，混合均匀成浆料；混合浆料流延成型为素坯后烧结为多孔金属镍板；将摩尔比为Li∶Co＝1∶1的硝酸锂和硝酸钴以及柠檬酸或聚乙烯醇溶于蒸馏水中，制成为0.005－0.5mol/L的溶液；将多孔金属镍板或氧化镍板浸入溶液中，在真空度低于200毫巴下保持10－60分钟；置于75℃的烘箱中烘干，转移至预热到650℃坩埚电炉中保温1－10小时；将此过程重复一次或多次即可。

The results show that the porosity of porous silicon increased with the increase of etched time, which lead to the decrease of minority carrier life and the increase of luminescent efficiency of porous silicon.

多孔硅的空隙度随腐蚀时间的延长而增大，这也导致了多孔硅的少子寿命的降低，从而造成多孔硅的光致发光效率随多孔硅空隙度的增大以及少子寿命的降低而提高。

Ozonization with enhancement of hydrodynamic cavitation was used in the degradation of phenol,and the influences of ozone flux,parameters of porous plate,inlet pressure of the porous plate on phenol degradation were investigated.

研究了在水力空化强化臭氧降解苯酚时臭氧通入量、多孔板的参数、多孔板的入口压力对苯酚降解的影响。

A lab test apparatus was developed into evaluating the noise reduction of the porous cement concrete. A constant head permeameter was developed to ascertain the water permeability of porous cement concrete, the influence of the porosity and pore size on the water permeability was studied.

另外，对多孔水泥混凝土的透水性能进行了研究，通过建立有效孔隙率、孔径大小与渗透系数的关系，结合其实际透水性能，得出了满足一般排水性路面排水要求的有效孔隙率范围和级配。

An original polarizing plate having a plurality of layers is fixed on a first principal surface of an ultrahigh molecular weight polyethylene porous sheet by drawing from the opposite side. The original polarizing plate is cut by a blade moving across the thickness of the original polarizing plate by using the porous sheet as a cutting mat to obtain a polarizing plate having a plurality of layers.

将由多层构成的偏光原板从超高分子量聚乙烯树脂多孔质薄板(1)的一主面吸引、固定在该主面的相反侧的主面上，以多孔质薄板(1)作为切割垫，将偏光原板(2)用在其厚度方向移动的刀刃(4)切断，得到由多层构成的偏光板(3)。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。