It is possible to raise the modulus of normal low modulus sodium silicate by adding some quantity of amorphous silicon dioxide (white carbon black), however the author's investigation showed that the quality of the hi-modulus sodium silicate obtained such way is not ideal for casting production.
一般低模数的水玻璃可以通过在其中加入一定量的无定形二氧化硅来提高模数,但研究表明,用这种方法调得的高模数水玻璃质量并不十分理想,在使用上存在很大问题。
However to convert kaolin into amorphous silica is a practicable and utilizable method.
采用常规的选矿方法不能有效地改善其色质状况，而将它转化为无定形二氧化硅产品是一种可行的利用途径。
In this paper, the method of preparation of amorphous silica from serpentine and bentonite by sulfuric acid leaching in microwave field was investigated.
本文研究了微波辐照作用下，由蛇纹石、膨润土硫酸浸出制备无定形二氧化硅的方法；考查了反应时间、微波辐照强度、液固比、硫酸浓度、矿石粒度等因素对矿物浸出过程的影响；确定了酸浸最佳工艺条件；分析了制得的无定形二氧化硅的化学组成；研究了微波作用下蛇纹石的硫酸浸出动力学。
The methods of preparation of organosilicon from amorphous silica have been studied.
本文研究了由无定形二氧化硅直接合成有机硅化合物的方法。
Factors influencing pore structure of amorphous silica-alumina prepared by carbonization were investigated.
系统考察了影响碳化法制备无定形硅铝孔结构的因素。
DEVELOPMENT OF AMORPHOUS SILICON SOLAR CELLS WITH EFFICIENCY OVER THAN 10%
效率高于10%的无定形硅太阳电池的研制
Study of SHG on PbO-B_2O_3 Glasses and P-N Junction Amorphous Silicon Thin Films;
铅硼玻璃及P-N结无定形硅薄膜的SHG研究
Factors influencing pore structure of amorphous silica-alumina prepared by carbonization were investigated.
系统考察了影响碳化法制备无定形硅铝孔结构的因素。
The Preparation of Amorphous Silica and Its Applications in Organosilicon Synthesis by Microwave Irradiation;
微波作用下无定形SiO_2的制备及其在有机硅合成中的应用
The Analysis of the Silca-Based SiO_2 Waveguide Passive Ring Resonator;
硅基二氧化硅光波导无源环形谐振器研究
Simulation of Hot Rolling Behaviors in W1300 Non-oriented Si Steel
W1300无取向硅钢热变形行为的模拟分析
Texture evolution of semi-processed non-oriented silicon steel with temper rolling
半工艺无取向硅钢加临界变形的织构演变
Silicon wafer cleaning method without surface morphology change by sulfuric acid /hydrogen peroxide oxidation
硅基表面无形貌改变的硫酸/过氧化氢氧化清洗
Study on Synthesis of Organosilicon Compounds Directly from Amorphous Silica;
由无定型二氧化硅直接合成有机硅化合物的研究
Study on Rolling Stability of Silicon Steel in Hot Continuous Rolling
提高热连轧无取向硅钢轧制稳定性研究
Analysis on Evaluation Methods of Activity of Inorganic Cementitious Materials with Silicon-Aluminum Character
无机硅铝质胶凝材料活性评定方法分析
The condition of willemite formation in the glaze melt and the range of glaze composition are determined.
确定了釉中硅锌矿的形成条件和釉料组成范围。
Formation and thermal stability of compound stucture of carbon nanotube and silicon nanowire
碳纳米管-硅纳米线复合结构的形成和热稳定性
Gases have neither definite size nor definite shape .
气体既无一定的体积，又无一定的形状。
an amorphous or indefinite shape.
一种无定形或模糊的不确定的形状。
A soft, amorphous mass.
一柔软、无定形的块状物
Effect of Roll Gap Geometry and Rolling Temperatures on the Evolution of Deformation Textures and Microstructure in Rolled Non-oriented Silicon Steel
轧制几何和温度因素对无取向硅钢轧制形变织构及组织的影响
It is an amorphous colorless or white powder.
它是一种无定形的无色或白色粉末。