查询词典 vinegar bacteria

The average kill rate against natural bacteria on kitchenware, such as table top, chopping block, knife, cupboard, porcelain bowl and the surface of refreshing box of the refrigerator were all above 0.972 0 when cleaning and polishing with vinegar solution for 10 min.

结果 不同浓度的食醋溶液作用不同时间对金黄色葡萄球菌、大肠杆菌和白色念珠菌的杀灭效果不同，浓度越大、作用时间越长杀菌效果越好（F=6.89～156.83，P.05）；对手自然菌作用2 min，平均杀灭率为0.991 5±0.003 2；对厨房内台面、砧板、菜刀、碗柜、瓷碗、冰箱保鲜室表面擦拭消毒10 min，对自然菌的平均杀灭率在0.972 0以上；对室内空气自然菌的杀灭率随熏蒸时间的延长而提高（F=121 2.13、502 4.46，P.05），当室内有人时，杀灭率有所降低（t=5.08～30.48，P.05）；置于54 ℃恒温箱（相对湿度≥0.75）存放14 d，醋酸总含量下降

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。