The relationship of Bdellovibrio and microbiological pollution was observed in laboratory.本文在实验室条件下动态观察了蛭弧菌含量与微生物污染的相互关系.For determining potency and residues by microbiological assay technique . Especially for Lincomycin...
加玉米面使汤变稠。Thicken the broth with the cornflour.不停地搅,一直搅到调味汁变稠。Keep stirring until the sauce thickens.把调味汁煮沸十分钟,使之浓缩变稠.Reduce the sauce by boiling it for ten minutes....