冷链运输对哈密瓜品质及腐烂率的影响杨军;廖新福;沙勇龙;程卫国;李学文【摘 要】[Objective] The purpo of this project was to study the effect of the low temperature chain transportation (LTCT) on qualities, decay rate and shelf life in or
超级感受态实验步骤:1、Pick a single bacterial colony (2-3 mm in diameter) from a plate that has been incubated for 16-20 hours at 37oC. Transfer the colony into 25 ml of LB broth or SOB medium in a 250-ml flask