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.Aim To synthesize gastrodin via biotransformation of microorganism using p - hydroxybenzaldehyde as substrate.方法: 以甲醇为溶剂,以对羟基苯乙酮和溴为原料制备了α - 溴-4-苄氧苯基苯乙酮.Methods: α - Bromo - 4 - benzyloxy ac...
用交错的小竹竿架起一排排的豆荚。Support rows of beans with criss-crossed canes.保尔找到的是一只又薄又宽、上面刻着交错的花叶的金戒指.Paul had found a thin wide gold ring carved with intricate flowers and leaves.这个过滤器(滤镜)对无交错的视频可能没什么效果.This filter should not be us...
'shao - Shao is tolerating the banding very well, " he said.“ 笑笑现在扎上绷带,一切正常, ” 他说.The Sun Ray decision follows the federal pattern of tolerating broad delegations but insisting on safeguards.“阳光”案的判决仿效联邦容许广泛授权的做法,但又...