The removal rate of NH_4~+—N,NO_2~-—N,COD increased significantly after aeration,and the aeration could improve outlet water quality,which is a good measure for improve purifying the fish cultivating pond effluent.2:The substrate enzyme activities of constructed wetlands were studied.
2.对湿地基质酶及其活性进行了研究。
参考来源 - 人工湿地基质酶及其活性与净化养殖废水效果相关性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Different substrate and concentration from Portunus trituberculatus will affect digestive enzyme activity.
不同的三疣梭子蟹的底物和浓度会影响消化酶活力。
The catalytic center of an enzyme is composed of a set of amino acids whose three-dimensional arrangement forms the "active-site" that allows them to efficiently bind and modify the substrate.
酶的催化中心是由一组氨基酸组成，其三维结构形成活性位点，允许它高效地结合或修饰底物。
When the product accumulates beyond an optimal amount it binds to a site (ALLOSTERIC site) on the enzyme, changing the shape so that it can no longer react with its substrate.
当产物积累超出最佳数量时，它将与酶的一个氨酰基位点(变构位点)结合改变其形状，使其不能长时间与底物发生作用。
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