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Kinetic characteristics of valonia tannin biodegradation using natural microorganism groups were studied.
研究了微生物菌系对橡单宁的生物降解能力.
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Method of colloidal titration was adopted to determine tannin content of valonia tannin extract.
用胶体滴定法测定了橡椀栲胶中的单宁含量.
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