Screened of strain producing cold adapted pectinase and studied on the condition of producing enzyme, characterization of cold adapted pectinase, purification and kinetic constant in this paper.

本论文进行了低温果胶酶产生菌的筛选，并对菌种的产酶条件，低温果胶酶的酶学性质，分离纯化及动力学常数进行了研究。

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The industrial scale purification of glycerin using ion exchange resin have been investigated. The optimum operation condition under constant temperature and speed velocity was given.

本文通过模拟工业生产提纯甘油恒温、恒速条件，用离子交换法提纯甘油，选择出最佳提纯工艺。

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