The preparation of activated carbons from xylogen by steam activation method is reviewed.

以烟秆为,炭化后用水蒸气活化制备活性炭。

The chemical constituents of pod of Gleditsia sinensis Lam. have been studied.The saponin, fibrin, half fibrin, xylogen and proteins of it have been mensurated.

初步研究了荚中所含的化学成分,测定了甙、纤、半纤、质、果胶、蛋白质相对于绝干荚的质量百分含量。