孔径

In group A,6 weeks postoperatively, a great deal of neogenetic cartilage was observed and in 12 weeks postoperatively, the shape and maturity of neogenetic cartilage were observed close to normal level in group A, which had advantages over those in group B、C.

结果Ⅱ型胶原海绵与Ⅱ型胶原膜在材料特性上有显著差异，胶原自发荧光分层扫描通过图像分析得出A组平均孔径为(93.26±38.41)μm，弹性模量(0.098±0.0 017) MP/m2，均较B组更为理想。

Based upon the analysis and study of the signal-to-noise ratio of SAR imagery, this dissertation developed the coherent and noncoherent multilook imaging approach which suits various types of ground feature and target.

本文在回顾合成孔径雷达的发展历史、综述SAR的各种工作模式和条带SAR的各种数字成象方法后，研究了SAR实时成象中的一些问题，提出了解决的方法。

In the situation of varied water quality of influent, membrane permeate COD was all less than 20mg/L, NH〓-N was less than 1mg/L and turbidity was less than 1 NTU. Because the membrane surface formed gel layer in the filtration process, which reduced membrane pore size efficiently removed nosogenetic germ and virus and attained the demand of water quality standard in wastewater reuse.

在进水水质波动的情况下，膜出水COD值均小于20mg/L，NH〓-N小于1mg/L，浊度小于1NTU；由于在过滤过程中膜面形成了凝胶层，起到了减小膜孔径的作用，从而达到致病菌和病毒的有效去除，能够满足污水回用于杂用水时对水质的要求。

With the addition of octadecyl amine, the pore sizes and thespecific surface area of the samples are increased evidently.

添加十八铵与CTAB共同作用，可以使产物的孔径和比表面积有明显增加。

This NS-MCM-41-Pd proves to be an efficient heterogeneous catalyst to catalyze aryl bromides with organozinc reagents for Negishi reaction. In the third suject, fluorescent surfactants with different conjugated aromatic moieties and changeable and gradually extended hydrophobic lengths were successfully synthesized by multiple synthesized manipulations.

首先利用颗粒大小为奈米尺度(约100 nm)、表面积约 660 m2/g 与孔径大小约 2.6 nm 且孔道分布为虫洞结构之孔洞材料，NS-MCM-41，作为异相触媒担体，稼接上钯错合物形成异相催化剂 NS-MCM-41-Pd，催化 aryl bromides 与 organozinc reagents 进行 Negishi reaction，并探讨触媒反应后再回收活性测试。

A kind of spherical microporous silica was synthesized by precipitation with the tetraethyl orthosilicate as a silica precursor and the block ploymer P_(123 as a template. The characterizations by the BET, FSEM and XRD showed that the spherical microporous silica has diameter of 3～4 μm, amorphous pore size of 0.9～1 nm and the specific area of 216±

以正硅酸乙酯作硅源，嵌段共聚物为模板剂，采用沉淀法合成均匀的实心球形二氧化硅微孔材料，BET、FSEM和XRD等表面分析手段表征表明，我们合成的二氧化硅微孔材料具有3～4μm的粒径和不规则分布的0.9～1nm的孔径以及216±3.5m2/g的比表面积。

The particle diameter, per-surface area of the prepared catalyst particles will enhance photoactivity in the degradation of phenol.

Ce4+可显著提高TiO_2的活性，主要归因于锐钛矿结晶度、比表面积、孔径和孔容的提高，特别是表面缺陷的增加。

Pillared clay is a kind of the mineral materials, which is synthesized by pillaring inorganic polycations or organic ionic groups into clay minerals. Modified clay is a two-dimensional mineral material with large surface area, high thermal stability, strong surface acidity and variable pore size, therefore it is widely used in such fields as catalyst, sewerage treatment, antibacterial material, photic functional material, ionic conductor, pharmacy, nano-complex preparation and nuclear scrap treatment.

柱撑粘土是矿物材料的一种，它是一种由聚合无机阳离子或有机离子插入粘土矿物中而形成的一种具有二维孔洞的矿物材料，具有比表面积大、热稳定性好、表面酸性强以及孔径可变等特性，因此在催化、污水处理、抗菌材料、光功能材料、离子导体、制药、纳米级复合材料制备、核废料处置等领域有着广阔的应用前景。

Chromia-pillared zirconium phenylphosphonate and phosphate were prepared via preswelling the layered phosphates by ethylamine prior to the intercalation of the pillaring species.

采用乙胺预胶体化方法合成了一系列氧化铬层柱苯膦酸锆和氧化铬层柱磷酸锆催化剂，其铬含量达到22.5%-36.5%，比表面为316-462m^2/g，中孔孔容占总孔容的70%以上，孔径集中在2nm左右。

As a novel porous material, pillared montmorillonite is one of hotspots for mineral material research. Because of its big surface-to-volume ratio, variable apertures and strong acidity, PILM can be used as an excellent adsorbent and catalyst in petrochemical and environmental protection fields, and catch many scientists attention in recent years.

柱撑蒙脱石作为一种新型的多孔材料是当前矿物材料学研究的热点之一，因其具有大的比表面积、大小可调的孔径、较强的酸性而成为性能优异的吸附剂和催化剂，在石油化工和环保领域具有广阔的应用前景，近年来成为国内外广泛关注和研究的热点。

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。