按分散相介质不同而分为水凝胶(hydrogel), 醇凝胶(alcogel)和气凝胶(aerogel)等, 而沉淀物(precipitate)是由孤立粒子聚集体组成的。
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The IR spectra of hydrogel, alcogel and aerogel of BaFe12O19 were studied.
对钡铁氧体的水凝胶、醇凝胶以及气凝胶的红外光谱进行了研究。
The IR spectra of hydrogel, alcogel and aerogel of BaFe12O19 were studied, and the ones of the powders calcined at different temperatures for different time were also studied.
对钡铁氧体的水凝胶、醇凝胶以及气凝胶的红外光谱进行了初步的观察，同时对不同焙烧温度及时间所得粉末的红外吸收光谱进行了考察。
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