There is a barrier between reservoir and atmospheric water of basin margin forming reducing environment with low sulphate which is favorable to methane bacteria activity.
储层与盆地边缘大气水渗滤带隔绝，形成了低硫酸盐的还原环境，有利于甲烷菌活动。
From low degree to middle de-gree of water stress, the activity of superoxide dismutase(SOD) strengthened, and the content of malondialdehyde(MDA) decreased.
在轻度胁迫至中度胁迫中期，超氧化物歧化酶（SOD）活性升高，丙二醛（MDA）含量下降；
Selection of water activity lowering agents for low sugar preserved fruit and vegetables were studied in this paper.
对低糖果蔬脯水分活度降低剂进行了选择研究。
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