The hydrogenation of diene compound and carbonyl group with yeasts was studied.对几种酵母细胞催化双烯和羰基的加氢反应作了一些初步研究.Food which is kept too long decays because it is attacked by yeasts, molds and bacteria.保存得太久的食品会变坏,是因为受到酵母菌, 霉菌和...
Cyclobutane exists predominantly in a " butterfly " conformation.环丁烷主要成 “ 蝶式 ” 构象存在.On the other hand , cyclobutane pyrimidine dimmer ( CPD ) just has an effect of cell cycle arrest.而CPD光 产物 ( cyclobutanepyrimidinedimmer...