Standard for smoke - control systems utilizing barriers and pressure differences 利用屏蔽和压差的烟控系统标准
Note pressure differential and enter flow rate chart at pressure differential noted 注意所标注的压差和对应压差的进口流量表。
These pages also show torque for differential pressures at full and half maximum cold working pressure for carbon steel valves 这些内容也包括碳钢阀门在最大或一半的冷工作压力下压差的扭矩。
Abstract : a formula for calculating the minimum underbalance in lower permeability reservoir is obtained by applying a drag force function to testing data 文摘:通过将拖曳力函数用于油田测试数据,提出了确定低渗透地层最小测试压差的公式和方法。
( 4 ) constructs fiber optical vacuum sensing system for microbent modulation , carries out vacuum measuring using elastic deformation of flexible tube 设计了微弯式强度调制型光纤真空度传感系统,并利用弹性管压差的弹性微形变实现了微弯式光纤真空度检测。