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...
先试解释一下问题再作回答。Try to paraphrase the question before you answer it.我反对不先试一下闸就骑机动脚踏两用车。I would advise against riding moped without testing the brakes first .这就是为什么要先试梅花的道理.That is why the clubs should be tested first....