Calculative principle & Formula 计算原理与计算公式
This article introduces the basic principle, instrument, analysis and calculative method on how to take count of bacteria by fluorescence microscope.
介绍了细菌荧光显微镜直接计数法的基本原理、仪器设备、分析和计算方法,并对水样过滤操作方法作了一些改进。
This article elaborates the structural feature and operating principle of the high performance stop valve and to introduce the calculative formulas of working movement of the globe disk.
阐述了高性能截止阀的结构特点及工作原理,介绍了球形阀瓣工作行程的计算公式。
应用推荐