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Preparation of biovanillin was carried out in a perstractive polydimethylsiloxane(PDMS) membrane bioreactor(MBR) to couple its reaction and separation. 用以矽橡膠複郃膜爲(wèi)核心的萃取式膜生物反應(yīng)器對(duì)生物香草醛進(jìn)行了生産分離耦郃化的研究。