孔径

Because steam activation carbon has a narrower and more extensive microporosity than carbon dioxide activation carbon, stream is the only oxidising agent in this paper.

考虑到水蒸气活化活性炭比二氧化碳活化活性炭具有更小空隙结构和更宽的孔径范围，所以本文中只选用水蒸气作为活化剂对热解炭进行了活化。

By utilizing this concept, highly ordered mesoporous silica SBA-15 materials with low microporosity have been synthesized under low temperature and low surfactant concentrations; the quality of resulted mesostructure or pore size distribution can be greatly improved in the cases of EO〓BO〓EO〓, EO〓BO〓EO〓, EO〓BO〓EO〓, EO〓BO〓EO〓, EO〓PO〓EO〓 and EO〓PO〓EO〓 block copolymers.

利用盐效应，在低温或低模板剂浓度条件下合成出高度有序、微孔孔容小的介孔分子筛SBA-15；大大提高了利用嵌段共聚物EO〓BO〓EO〓，EO〓BO〓EO〓，EO〓BO〓EO〓，EO〓BO〓EO〓，EO〓PO〓EO〓和EO〓PO〓EO〓等导向合成介孔材料的有序度或孔径分布。

During course of in situ stress measurement, some problems such as core discing, minification and caving of borehole due to horizontal stress are appeared, and their mechanism is studied.

在现场地应力测量过程中发现了岩芯饼裂、钻孔径缩和钻孔破碎塌孔等现象，分析了这些现象的力学机理。

Diffractive characteristic of periodic structure objects were analyzed and generalized by the principle of the recordation and reappearance for spatial information of object by photons. Ordinary Moire effect can be regarded as the limit of the coherent Moire effect.

为拓展周期结构成像的应用领域，论文在分析了信号与系统关系的基础上，提出将扩大系统综合孔径实现超分辨成像方法延伸到亚波长段，用Talbot效应和莫尔条纹技术实现亚波长周期结构超分辨成像。

Since zeolite has regular porous structure with uniform pore size distribution, the membrane can realize the separation in molecular level. Therefore, the research and exploring of zeolite membrane are of the potential significance for industrial application.

由于分子筛具有分布单一的规整孔道，其孔径尺寸处于微孔范围内，由分子筛构成的分子筛膜有望实现分子水平上混合物的分离，因此，研究和探索分子筛膜对于其工业应用具有重要的意义。

Furthermore, the point scattering model is given to form basic scattering structure of the distributed target, and the multiplicative noise model is used to describe statistical characteristics of the distributed target simulation, and illustrate that the spaceborne SAR raw signal is a process of the multiplicative noise.

经过进一步分析研究确定了采用点散射模型来形成目标仿真的基本散射结构，同时应用乘性噪声模型来描述分布目标的统计特性，指出星载合成孔径雷达的目标回波是一个乘性噪声过程。

The pore size of Na_2SO_4 rejection ranges negligibly when reaction time prolongs, while thickness and charge density increase.

界面聚合时间对复合膜孔径影响不大，随着反应时间的延长，膜的厚度和电荷密度增加。

The results indicate that for the same aperture Φ of the prism,Ahrens Nicol prism has the least beam translation,and Thompason inversed Nicol prism has the biggest beam translation.

结果表明：对于相同的棱镜孔径Φ，阿伦斯尼科耳棱镜产生的光束平移量最小，而汤普逊倒尼科耳棱镜产生的光束平移量最大。

In untreated nitrocellulose membranes, the hydrophilicity of the material is a direct function of its pore structure.

对于未处理的NC膜，它的亲水性是其孔径结构的直接功能。

The body of its kill, and slunk noiselessly from the hut through the aperture

身体的杀人， slunk悄悄从小屋通过孔径通过它进入。

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。