Screening of Bioflocculant-Producing Strain by Ion Implantation and Flocculating Characteristics of

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<正> A bioflocculant-producing mutator strain,NIM-192,was screened out through nitro-gen ion implanting into FJ-7 strain.The results showed that NIM-192 had good genetic stabilityand high flocculating activity,and the flocculating rate increased by 3
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