利用超声波乳化技术，结合溶胶-凝胶反应制备了间苯二酚-甲醛有机气凝胶粉末和碳化气凝胶粉末。
Organic powder and carbon aerogel powder were prepared by sol-gel method with the help of ultrasonic emulsification technology using resorcinol and formaldehyde.
对凝胶多糖的酸降解法、酶水解法、超声波降解法及凝胶渗透色谱(GPC)分级法制备低分子量凝胶多糖的研究进展进行综述。
In this paper, the research progress of acid hydrolysis, enzymatic hydrolysis, ultrasonic degradation and GPC fractionation of curdlan are reviewed.
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