土壤微生物活度在水稻生长过程呈增加的趋势，前茬冬季覆盖作物区明显高于冬闲田。
The former-stubble crop treatments were higher amount of microbe than winter fallow stubble during early rice growth.
讨论了水分活度对微生物生长、食品中油脂的氧化、酶活力、食品的质构、食品中蛋白质和维生素的影响。
The effect of water activity on growth of microorganisms, lipid oxidation, enzyme activity, food texture as well as protein and vitamins were also discussed.
从酶活、底物、产物、应用及空间结构等方面论述了葡糖淀粉酶的一般生物学特性及应用，分析了其不同来源的基因同源度。
The general biology properties and applications of glucoamylase were discussed, and its enzymatic characteristics, such as substrates, products and structure were briefly introduced.
重点介绍了生物技术方法对其改性的优越性及在生物改性过程中反应介质、水活度、 生物催化剂选择上所面临的挑战。
Utilizing biological technique on modification of them was emphasized and the choices of reaction media, water activity and biocatalyst by biological method were introduced.
重点介绍了生物技术方法对其改性的优越性及在生物改性过程中反应介质、水活度、 生物催化剂选择上所面临的挑战。
Utilizing biological technique on modification of them was emphasized and the choices of reaction media, water activity and biocatalyst by biological method were introduced.
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