Aim To synthesize gastrodin via biotransformation of microorganism using p - hydroxybenzaldehyde as substrate.目的以对羟基苯甲醛为底物,通过微生物的转化作用生物合成天麻素.TLC densitometry of polyhydroxysteroids in biotransformation of steroids was es...
Riot police hurled tear gas canisters and smoke bombs into the crowd.防暴警察向人群中投掷了催泪瓦斯罐和烟幕弹。...canisters of commercial fuel.商用燃料罐She bought a travel-bag large enough to contain the film canisters.她买了一只能装得下那些胶卷筒的旅行包。Certain...