Conclusion : The method is suitable for the quality control of PF.
结论：该法准确、灵敏，结果可信，适用于注射用葛根素的质量控制。
Based on the practices and improvement of A-type flotator in aeration rate control by inns of pulp cycling, a new PF-type flotator and its sortal products are designed and put into production.
经过多年的浮选实践，对A型浮选机进行了改造，发现用矿浆回流的方法可以有效地控制浮选机的充气量。在此基础上设计出PF型浮选机，并已向系列化产品迈进。
It analyzes timing errors on PF power control system to find out some key factors affecting the time performance.
以极向场电源控制系统为研究对象进行时间错误分析，找出影响时间性能的关键因素并提出几种解决措施。
Introduction: As a simplified model of PF tilting-pan filter, DF single disk filters is composed of motor and speed reducer, and operated by a control system.
产品简介：DF系列单盘过滤机是PF型翻盘过滤机的简化机型，由电机、减速机通过控制系统操作。
Principle pf strengthening pest control.
加强防疫的原则。
Principle pf strengthening pest control.
加强防疫的原则。
应用推荐