vacuum tightness

Acceptance standard investigation of vacuum tightness of direct air cooling generating unit;

直接空冷机组真空严密性验收标准探讨

Thorough demonstration was made on various factors affecting on the vacuum tightness of the unit during overhaul and minor repair of the unit,and plenty of tough,careful work was conducted during the repair to make out an effective overhaul inspection and repair scheme.

在机组大、小修中针对影响机组真空严密性的各种因素进行周密的论证,并在检修中作了大量艰苦细致的工作,制订出一套行之有效的检修方案,机组真空严密性试验合格率有很大幅度的提高,使1号~3号机真空严密性均达到合格标准,提高了机组运行的经济性。

Vacuum system is important to the turbine s economy operation,and vacuum tightness is the main factor that affects vacuum of steam turbine.

汽轮机真空是汽轮机经济运行的关键,真空严密性是影响汽轮机真空的主要因素。

The obturation of vacuum in the crystal grower is one of the most important factors to judge the equipment capability.

单晶炉炉室真空密闭性能是衡量单晶炉设备性能好坏的重要因素。

Growth of Ce~(3+):LiYF_4 Crystal under Non-vacuum Closed Atmosphere

非真空密闭条件下的Ce~(3+):LiYF_4晶体生长

The Leakage Convention Diffusion Simulation in the Airtight Space under Ventilation Condition

在通风条件下密闭空间漏气的对流扩散仿真

Simulation and Application of Detecting Air Tightness of Sealed Container;

密闭容器气密性检测方法的仿真研究及应用

Experimental Studies on the Characteristics of Magnesium and Aluminum Dust Explosion in Closed Room;

密闭空间镁铝粉尘爆炸特性的实验研究

Experimental Studies on the Characteristics of Dust Explosion in Closed Rooms and Relief Calculation;

密闭空间粉尘爆炸特性的实验研究与泄放计算

Ref. Freon piping to be done air-tightness test and vacuum test.

冷藏氟利昂管系密性试验和真空试验。

Accommodation air-condition Freon piping to be done air-tightness and vacuum test.

房舱空调氟利昂管系密性试验和真空试验。

A Research of the Causes of the Vacuum Leak in Steam Turbine and of Measures of Improvement;

汽轮机真空系统漏空原因及提高严密性的措施

QUANTITATIVE RELATIONSHIP BETWEEN THE VACUUM TIGHTNESS AND THE LEAKING AIR FLOW RATE INTO CONDENSER

真空严密性与凝汽器漏入空气流量的定量关系

Presents the management methods of air tightness and vacuum degree.

介绍了机组气密性管理和真空度管理的方法。

THE METHODS TO STRENGTHEN THE VACUCM TIGHTNESS OF IOW TEMPERATUISE USED FRP

提高低温玻璃钢真空气密性的方法之研究

Means to Promoting vacuum Tightness for 300 MW Unit

300MW汽轮机组真空系统提高严密性的措施

Vacuum Tightness Effect on Condenser Retrofit Test Result

真空严密性对凝汽器改造试验结果的影响

Discussion on the Control Technique of Leakage Rate of Vacuum System

汽轮发电机真空系统严密性控制的研究

Laboratory tests on saturated hydraulic fill sandy soil by high vacuum densification method

高真空击密法加固后饱和吹填砂性土室内试验

Heating:Process of raising the temperature of an enclosed space.

供暖:提高一个密闭空间的温度的过程。

Research on Methane-Coal Dust Compound Explosion Intensity in Enclosed Vessels;

密闭空间甲烷—煤尘复合爆炸强度研究