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。
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