A count made of the numbers of coliform bacteria present as part of most standard analyses of water intended for potable use. The number of organisms present is normally expressed per 100 ml of water.
科学参考收录了60776条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。