mwcoBNC²³⁶²¹³⁺¹ 基本例句 =molecular weight cutoff(filter paper) 分子量筛截滤纸 The research is composed of three aspects: After a pretreatment of high speed centrifugation, a UF membrane with a MWCO value of45000 is used to separate GABA fermentation broth. 在高速离心的基础上,采用截留相对分子质量45000的超滤膜对 GABA发酵液进行超滤分离。 cnki