The physical, chemical and biological pretreatment, enzyme saccharification, alcohol fermentation technology and research development were stated in this paper.

该文简述了纤维素物理、化学、生物预处理、酶糖化、发酵酒精生产工艺及研究进展。

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For the hot sensitive substance such as antibiotic, the vaccine, the blood product, the enzyme hormone and other biological preparations, the freeze-drying technology can demonstrate its advantages.

对于热敏物质如抗菌素、疫苗、血液制品、酶激素和其它生物制品，冷冻干燥技术更能显示其优越性。

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The present biological technology includes genetic engineering, cell engineering, enzyme engineering and fermentation engineering.

基因工程和细胞工程是生物技术的主导领域，是发酵工程、酶工程的基础；

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