With increasing the pressure of internal quench medium, the water flux of PES hollow fiber membrane increases and the degree of orientation decreases.
研究了聚醚砜/二甲基亚砜(PES/DMSO)体系中填充液压力的变化对PES中空纤维结构及性能的影响,。
Discusses the volume calculation of expansion tank in air conditioning water systems and the determination of installed position of water tanks, pre-charging pressure of closed water tanks, constant pressure value of pumps.
介绍了闭式水系统的特点 ,讨论了空调水系统膨胀水箱容积计算、水箱安装位置、闭式水箱的预充气压力值、水泵定压值的确定等问题。