通过流变仪研究了几种表面活性剂对十六烷基羟乙基纤维素（ CHEC ） 溶液黏度的影响。
Effects of surfactant on viscosity of cetyl hydroxyethylcellulose ( CHEC ) solution were investigated by rheometer.
该固体酸可用作纤维素的水解、烷基化反应、生物柴油制备等反应的催化剂。
The solid acid can be used as the catalyst of hydrolyzation of cellulose, alkylation reaction, biodiesel preparation and other reactions.
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