| 1. | Research on condensation heat transfer with presence of non - condensable gases
具有不凝结气体存在的凝结换热研究 |
| 2. | Non - condensable gas
不可凝气体 |
| 3. | These manifolds are connected to the vacuum system through air take - off lines in order to remove the non - condensable gases from the condenser
这些集管通过空气管线与抽真空系统相连，以便从空冷凝汽器内抽走不可冷凝的气体。 |
| 4. | The non - condensable gases accumulate near the top of the secondary condensing bundles and are drawn into the air take - off manifolds running along the top of these secondary bundles
不可冷凝的气体在二次冷凝管束顶部附近汇集，被吸入二次冷凝管束顶部布置的空气集管内。 |
| 5. | Analyses the source of non - condensable gas and its bad impact on lithium bromide absorption chillers . presents the management methods of air tightness and vacuum degree
摘要分析了机组不凝性气体的来源，并阐述其对机组的不利影响。介绍了机组气密性管理和真空度管理的方法。 |
| 6. | The series h ? 2h ? h3 rotary piston vacuum pump is a sort of vacuum pro - duction equipment suitable for pumping ordinary gase and condensable gases ( when a gas ballast used )
H3型系列滑阀式机械真空泵是抽除一般性气体或含有少量可凝性气体（此时应使用气镇）的真空获得设备之一。 |
