Cordierite powder was prepared by the polyacrylamide gel method using silica-sol as starting material.
利用硅溶胶作为合成原料，通过高分子网络凝胶法制备了堇青石粉。
This product is a nutrimental food, used spirulina drier powder, silica gel powder as its principal ingredient, it has the function of boosting up immunity after the functional test.
本品是以螺旋藻干粉、微粉硅胶为主要原料制成的保健食品，经动物功能试验证明，具有增强免疫力的保健功能。
Objective This paper introduces a new method for removing the organic impurities in silica gel powder used for thin layer chromatography.
目的本文介绍了灼烧去除薄层色谱硅胶粉中有机杂质的方法。
Nanocrystalline SiC powder was synthesized by carbothermal reduction of the precursor of carbon black and silica gel prepared by precipitation-spray drying slurry of carbon black and water glass.
以廉价的水玻璃和炭黑为原料，采用沉淀-喷雾干燥法制备反应前驱体，经碳热还原合成碳化硅。
The life of white LED using epoxy resins to mix fluorescent powder is shorter than silica gel, hut initial luminous flux is higher about 25 %.
使用环氧树脂作为配粉胶比用硅胶寿命短，但初始光通量相对高出25％。
The life of white LED using epoxy resins to mix fluorescent powder is shorter than silica gel, hut initial luminous flux is higher about 25 %.
使用环氧树脂作为配粉胶比用硅胶寿命短，但初始光通量相对高出25％。
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