渗透

Raise concrete impermeability to have line of two kinds of technologies normally, one kind is the impermeability; that the contact that cuts off infiltration and concrete through the 3rd medium will come to raise concrete another kind is the impermeability that will raise concrete through raising the close-grained sex of concrete oneself.

提高混凝土抗渗性通常有两种技术路线，一种是通过第三介质隔断渗透物和混凝土的接触来提高混凝土的抗渗性；另一种是通过提高混凝土自身的密实性来提高混凝土的抗渗性。

The process of constructing the discourse of professionalism is constituted by three micro-mechanisms, the mutual influences of the formal and informal fields of gaining professional fame, the exercises of power via both coercion and co-optation, and the dynamics of interactions at three levels: organization, profession, and media system.

专业主义的话语建构的过程包括正式与非正式成名场域的区分和相互渗透，以强制和"收编"两个相辅相成的方式形成的权力行使，以及组织、行业和体制内外的互动。

Results reveal that alum as the coagulant made a beneficial contribution to the limit permeate flux.

结果表明，明矾作为凝固剂作出了有益的贡献到了极限渗透通量。

This study is beneficial to the testing of coalbed gas content in the course of coalfield explorat...

对煤层气含量和煤层渗透率的研究有一定的现实意义。

It has been found that the enveloping line of the average methane content to coal rank develops in the coalification stages, that the remarkable developments of the maximum average methane content coincide gr...

指出不同煤化作用阶段控气作用的实质在于煤物理结构和化学结构的演化，沉积作用控气的思路对煤储层渗透率非均质性预测具有一定实践意义。

Penetration of fire protection bulkheads or decks of steel structures shall be protected by pipes, cable glands or coaming stuffed with fire resistant compound or MCT according to the fire protection class and number of cables.

由于消防甲板的渗透和金属甲板的结构电缆必须用管路保护，电缆轴封，舱口栏板必须用耐火性材料堵住，或 MCT 依据防火类别和电缆的型号来进行保护。

To get the concentration of elements on the different coating is very important for the study of the new material.

探讨各种元素在基体材料表面的分布和渗透行为，对新材料的研究具有十分重要的意义。

Secondly, the article discusses the fundamental theories and methods to optimize seepage coefficient inverse problem. It develops computer program in seepage inverse problem-optimize arithmetic.

探讨了渗透系数优化反演分析的基本原理和方法，研制了稳定且精度较高的变尺度的优化反演程序。

A numerical calculation program is written up for the various solution methods in this paper and the program is being used in various aspects of inverse problem of environmental hydraulics, including inverse problem in reverse process of one-dimensional unstable diffusion, inverse problem in reverse process of convection-diffusion, inverse problem for the dispersion coefficient in water quality model, The inverse problem of coefficient identification for nonlinear Boussinesq equation, parameter identification inverse problem for water quality model, the inversion of parameter of BOD-DO water model, the inverse problem of the source of convection-diffusion, identification of the steady-state permeability for two dimensional isotropic medium, two-dimensional steady inverse problem of convection-diffusion and parameter identification inverse problem for two-dimensional parabolic equation, etc.

对本文提出的各种算法，编制了数值计算程序，并把它应用于环境水力学反问题诸多领域，包括污染物一维非恒定扩散逆过程反问题，对流扩散方程逆过程反问题，河流水质纵向弥散系数反问题，非线性Boussinesq方程反问题，河流水质多参数识别反问题，BOD-DO水质模型参数反演问题，对流—扩散方程源项反问题及二维恒定各向同性介质渗透系数反问题，二维定常对流——扩散方程及二维抛物型方程参数控制反问题等。

Coefficient of permeability is one of a key parameter of soil.

渗透系数是土的重要参数之一。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。