本文介绍了超氧化物歧化酶的分类和活性中心分子结构，阐述了超氧化物歧化酶的制备工艺及其医学应用。
The classification and active site structure of molecular of superoxide dismutase were introduced, and preparation technology and application of superoxide dismutases in medicine were elucidated.
本文着重对淀粉酶的性质和分类进行综述。
This essay mainly summarizes the classification and properties of amylases.
对酶膜反应器的不同分类方式及应用研究进行了综述，并加以展望。
Different classification and application research of enzymatic membrane bioreactor are reviewed and future prospects are forecasted.
应用推荐