查询词典 surface area

By means of contrasted immobilization of denitrifying bacterium on several kinds of carbon fibers, the effect of physical and chemical characteristics such as specific surface area, precursor and recycle, especially the surface oxygenic functional group on these carbon fibers was investigated.

通过对比反硝化菌在不同基体碳纤维表面的固着化及碳纤维表面含氧官能团对菌种的固着化实验，研究了碳纤维(基体、比表面积、循环利用性等)特性，尤其表面含氧官能团对反硝化菌固着化的影响。

Morphological structures of TiO2 such as crystal structure, particle size, surface area and surface state properties which influence photoactivity of the catalyst have been discussed.

本文介绍了TiO2多相光催化剂的作用机理及其结构特性对光催化活性的影响，并对TiO2的晶相组成、晶粒尺寸、比表面积、表面形态与光催化活性的关系作了综述。

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。

Firstly, the specific surface area of nano-coated particle is much larger than that of ordinary wollastonite, and the edges formed in comminuting is passivated, which made the slippy crystal surface coarsened. At the same time, the color of nano-coated particle became whiter, which fit for light ware. Secondly, if the coated wollastonite hasn't been modified by coupling agent, the toughness of PP/ wollastonite composite couldn't be improved.

在硅灰石表面包覆上纳米级SiO2小颗粒对硅灰石的应用特性有重要影响：①纳米包覆粒子填料的比表面积比普通硅灰石大，纳米级SiO2小颗粒钝化了由于机械力粉碎造成的硅灰石的棱角，使其平滑的晶体解理面变得粗糙，同时硅灰石粉体白度增大，可应用于浅色制品。

Provided are carbide derived carbon materials prepared by thermochemically reacting carbide compounds and a halogen containing gas and extracting all atoms of the carbide compounds except carbon atoms, wherein the intensity ratios of the graphite G band at 1590 cm -1 to the disordered-induced D band at 1350 cm-1 are in the range of 0.3 through 5 when the carbide derived carbon is analyzed using Raman peak analysis, wherein the BET surface area of the carbide derived carbon is 1000 m 2 /g or more, wherein a weak peak or wide single peak of the graphite (002) surface is seen at 2 = 25 DEG when the carbide derived carbon is analyzed using X-ray diffractometry, and wherein the electron diffraction pattern of the carbide derived carbon is the halo pattern typical of amorphous carbon when the carbide derived carbon is analyzed using electron microscopy.

提供了得自碳化物的碳，其通过热化学反应碳化物化合物和含卤族元素的气体并提取除了碳原子之外的碳化物化合物的全部原子制备，其中当使用拉曼峰分析法分析该得自碳化物的碳时，在1590cm -1 的石墨G波段与在1350cm -1 的无序引发的D波段的强度比为0.3至5，其中该得自碳化物的碳的BET表面积是1000m 2 /g或更大，其中当使用X射线衍射法分析该得自碳化物的碳时，在2θ＝25°观察到石墨(002)面的弱峰或宽单峰，以及其中当使用电子显微法分析该得自碳化物的碳时，得自碳化物的碳的电子衍射图是代表无定形碳的晕图案。该发射体具有良好的均匀性和长寿命。可以使用比用于生产常规碳纳米管的方法更廉价的方法制备发射体。

It was shown that the area-averaged temperature profile also can not be obtained by means of a system with multi-laser sources in the unhomogeneous atmospheric surface layer.

标 签 折射温度梯度大气近地面层非均匀 refraction temperature gradient atmospheric surface layer unhomogeneous

They are widely used in the fields such as catalysis, catalytic supports, selective sorbent, molecular screen, film, electrochemistry, optical element, zymic counterfeit and dyestuff base materials for their good properties of large BET surface area, porosity and large surface activity.

它具有大比表面积、多孔和高表面活性等性能，在催化剂及催化剂载体、选择吸附剂、分子筛、膜、电化学、光学元件、酶仿制品和染料基质等领域显示出广阔的应用潜力。

The average diameter of atomized droplets of such system, is 10 microns or so, and so they have enormous surface energy and surface area which can be effective on odor adsorption and substances dissolvement to purify the air.

该系统雾化后的液滴平均直径大约为10微米左右，因而具有巨大的表面积和表面能，能够有效的吸附和溶解恶臭物质，达到净化的效果。

The results shown that the surface was covered and the pores were blocked obviously for the coked catalysts, the specific surface area and pore volume lost greatly, pore size distribution shifted to small pore end.

结果表明，结焦催化剂表面积炭沉积和孔道堵塞现象严重，比表面积和孔容大量损失，孔分布向小孔范围迁移，催化剂孔径越小，损失越严重。

Many factors such as surface area, amount, chemical characterization, surface-coated condition, freshness and variety and category of experimental animal all affect their toxic intensity. This article studied the acute toxicity of Fe3O4 nanoparticles of non-modified and modified on ICR-mouse by douching stomach.

纳米颗粒的表面积、数目、化学性质、表面包被情况、新鲜度及试验动物的品系、种属等等方面的差异均影响纳米颗粒的毒性作用，本实验将自制的未经改性和经油酸钠改性的Fe3O4纳米颗粒对ICR 小鼠的口服急性毒性进行了研究。

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。