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

以烟秆为原料,经炭后用水蒸气活活性炭。

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学成,了甙、纤维素、半纤维素、木质素、果胶、蛋白质相对于绝干荚的质量百含量。