细菌的还原作用和歧化作用都能造成明显的硫同位素分馏。
The result shows that the sulphur and sulphide mainly result from the reducing action of sulfate reducing bacteria.
超氧化物歧化酶(SOD)有重要的歧化作用，被广泛地应用于食品，日用化学品等领域。
Superoxide dismutase has an important role in disproportionation reactions. It has been widely used in food, daily chemical products and other fields.
目的探讨长期低铅染毒对大鼠内分泌脂质过氧化作用及超氧化歧化酶活性的影响。
Objective To observe effects of lipid peroxidation and superoxide dismutase of endocrine in rats chronically poisoned with low levels of lead.
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