stage cooking,stepwise cooking,fractional digestion,multistage pulping

Studies on the Chemical Structure of Dietary Fibre from Bagasse (I)──Isolation and Fractionation of Pure Cell Wall Material (Dietary Fibre);

蔗渣膳食纤维化学结构的研究(Ⅰ)──细胞壁物质(膳食纤维)的分离与分级

Review on Soil Inorganic-P Fractionation and the Influential Factors on P Bio-availability;

土壤无机磷分级及生物有效性研究进展

XAD fractionation results showed that HPO-A and HPI dominated in the secondary efflue.

以哈尔滨市W污水处理厂污水为研究对象,利用XAD树脂对二级处理出水中的溶解性有机物(DOM)进行分级分离。