The biodegradability of tapioca starch was studied by using micropopulation symbiotic cocultures.
利用微生物种群共生共培养来研究木薯淀粉的生物降解性。
Researched the fundamental distribution of microorganism of book collection of library. The result show that the most micropopulation was mould and the next were bacteria.
研究了微生物在图书馆藏书中的基本分布，结果表明：污染图书资料的主要优势菌为霉菌，其次为细菌。
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