查询词典 porous

Based on the Biot s two-phase theory for fluid-saturated porous media, considering the inertia force of the solid and the liquid, and the coupling function between the solid and the liquid, and the compressibility of the liquid in allusion to the character of the nearly saturated soils. The dynamic governing differential equations are solved by Hankel transform. Then, considering the boundary condition, the dual integral equations of vertical vibration are established which are reduced to Fredholm integral equation of the second kind.

本文基于Biot两相介质动力固结理论，针对准饱和土地基的特点，考虑了流体的可压缩性，土体和流体的惯性及水土之间的耦合作用，运用Hankel变换技术求解动力控制方程，然后按混合边值条件建立起对偶积分方程，并将其化为易于数值计算的第二类Fredholm积分方程，分别研究了准饱和土半空间地基、上覆单相弹性层的准饱和土地基和准饱和粘弹性地基上刚性基础的竖向振动特性。

The primary contents are as follows:(1) Based on the fundamental seepage physical equation, the basic differential equation of saturated-unsaturated seepage in porous mediums has been deduced, in which the pressure head is the fundamental unknown quantity.

总体说来，本文主要从以下几个方面开展了研究：(1)由基本渗流物理方程出发，以压力水头为基本未知量推导多孔介质三维饱和—非饱和渗流微分方程，在此基础上分析了边坡在有降雨入渗条件下渗流的定解条件和计算模型。

B ased on capillary pressure data from sem i-permeable clapboard, relationship betw een T2 geometric average value and po rous structure parameters can be obtaine d, and also a method to determine porous structure parameters be found by using MRIL data.

本研究以半渗透隔板的毛管压力资料为基础，建立了核磁共振测井中的T2几何平均值与孔隙结构参数之间的关系，并建立了应用核磁共振测井资料确定储层微观孔隙结构参数的方法。

The relationship between the light transmission and the porous structure of the membrane can be explained by the geometrical optics principles.

设计了透光率测试装置，以光在不均匀介质中发生漫反射和漫折射的原理，解释膜内部多孔结构与透光率的关系。

A Si-HA coating was prepared on titanium by a biomimetic method. The surface of the Si-HA coating was porous, and there was coralloid gibbosity on the surface. Si concentration was descent in Si-HA coating from outside to inside. When the Si content increased, the coating became denser and thinner.

钛表面仿生制备的Si-HA涂层表面多孔，有珊瑚状凸起，涂层中的硅由内向外呈梯度分布；随着涂层平均含硅量增加，表面逐渐致密，涂层厚度减小。

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。

In Chapter 2, we discuss the initial boundary problem of a porous equation in half space.

第二章，我们讨论半空间上的渗流方程组的初边值问题。

Vertical vibration of a rigid body on fluid saturated porous half space is studied.

研究圆柱形刚体在多孔饱和半空间上的垂直振动。

Based on the general harmonic mean difference scheme, a program is coded for the flow and heat transfer in a porous media with three phases and two components. The developments of the temperature, pressure and the fluid saturation are computed.

利用文中提出的广义调和平均差分格式，建立了孔隙介质中三相两组分数值模拟程序，模拟计算了温度场、压力场和流体饱和度场的发展。

At 12–15 years, Charnley reported continuous radiolucent demarcation around cemented cups in 14% of patients.40 The failure rate was greatest in young patients, and Barrack and colleagues reported 44% loosening of cemented sockets at 12 years in individuals younger than 50 years.54 Cementless acetabular cups are hemispherical in shape and most are entirely porous-coated for bone ingrowth.

术后12-15年时，Charnley在14%患者中发现骨水泥髋臼杯周边存在连续的透亮线。年轻患者中假体失败率最高，Barrack报道为小于50岁的患者中术后12年时44%发生骨水泥套松动。非骨水泥髋臼杯为半球型，大部分全层喷涂多孔表面以促进骨长入。

The production moved off-Broadway to New York City, where she won the Joseph E. Calloway award for her performance, and was profiled in American Theater Magazine as one of ten young theater artists to watch.

生产提出过百老汇的新的纽约市，在那里她赢得了约瑟夫calloway奖，她的表现，并于异型在美国的战区杂志之一， 10战区的青年艺术家观赏。

It's a risk tradeoff, and I believe that adding test support code usually wins.

这是一个风险的权衡，我相信添加测试代码通常会占上风。