The measure method of specific surface area and microparticle diameter of colloidal silica by titration with sodium hydroxide was introduced in this paper, which is a simple method.
本文介绍一种简单、方便、快捷的测定胶体硅微粒比表面积、粒径的方法——碱滴定法，适合工厂及研究中使用。
Specific surface area and pore size distribution of alkali modified kaolins were determined by BET method.
采用BET法测定了碱改性高岭土的比表面积和孔径分布。
The CO2-reactivity of char samples fromcoal macerals is related to specific surface area (SN2) measured with N2 adsorption method.
煤岩显微组分富集物焦的CO_2反应性与N_2吸附测得的比表面有关。
PAN pulp with high specific surface area has been obtained by precipitation method. Effects of parameters during precipitating process on the properties of PAN pulp have been studied.
采用沉析法制备得到了高比表面积的聚丙烯腈(PAN)腈纶浆粕，系统地研究了沉析过程中各工艺参数对PAN浆粕成形的影响。
The results shows that the preparation method significantly causes the change of phase composition, pore size distribution and specific surface area, but has little effect on its morphology.
实验表明，制备方法对催化剂的相组成、孔径分布、比表面积等有明显影响，但对其形貌的影响不大。
A method for measuring the specific surface area and pore volume of ion-exchange resin by N_2 absorption apparatus is introduced.
介绍了用氮吸附仪测定离子交换树脂的比表面、孔容的方法。
The carbon doped niobium pentoxide prepared by the method possesses the co-existing structure of a nanometer flake and a nanometer particle, thereby the specific surface area is big.
使用本发明方法制备的碳掺杂五氧化二铌具有纳米片和纳米颗粒共存的结构，比表面积大。
The special surveying method of SAR system(side-looking imaging) and specific surface condition of mining area lead to many influence on high precision.
但由于SAR系统的测量方式（侧视成像），以及矿区的特殊地表情况，导致影响其测高精度的因素很多。
An integral type high specific surface area porous sorption agent and a preparation method thereof belong to the technical field of porous sorption agents.
一种整体式高比表面积多孔吸附剂及其制备方法，属于多孔吸附剂技术领域。
The method has such advantages as low reaction temperature, short reaction time, no protective atmosphere and large specific surface area of the obtained activated carbon.
本发明反应温度较低，反应时间较短，无保护性气氛，活性炭比表面积较高。
The method has such advantages as low reaction temperature, short reaction time, no protective atmosphere and large specific surface area of the obtained activated carbon.
本发明反应温度较低，反应时间较短，无保护性气氛，活性炭比表面积较高。
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