研究高分散无凝胶白炭黑在轮胎胎面胶中的应用，并与普通沉淀法白炭黑进行对比。
The application of the high dispersive gel-free silica in the tread compound was investigated and compared to the conventional precipitated silica.
实验结果表明，等电点沉淀、凝胶柱层析法和阴离子交换法适合于分离水牛乳中主要过敏原成分。
The results showed that the methods of isoelectric precipitation, gel-filtration chromatography and anion-exchange chromatography were suitable for purifying the major allergens in buffalo milk.
应用化学共沉淀法和溶胶-凝胶法制备了钇铁石榴石(YIG)多晶粉体。
The powders of YIG crystal have been prepared by coprecipitation method and sol-gel (method).
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