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1)  low vacuum pressure
真空度低
2)  low vacuum
低真空度
3)  low vacuum
低真空
1.
Economic analysis on heat supply at low vacuum operation of condenser
凝汽器低真空供热经济性分析
2.
In this paper the advantages of pulse low vacuum chemical heat treatment,classification,structure characteristics,Usage,process characteristics,penetrating agents and application prospect of such furnaces have been discussed.
介绍了脉冲低真空化学热处理的优点 ,脉冲低真空化学热处理炉的分类、结构特点、用途、工艺特点、渗剂及应用前
3.
This paper introduces the operating status of low vacuum system,analyzes the problems existed in it,proposes its reforming scheme in light of the characters of low-vacuum heating system,and points out the conditions to fulfill low vacuum,in order to make the system operate steadily and achieve well effect.
介绍了低真空系统的运行状况,并就低真空系统目前存在的问题进行了分析,针对低真空供热系统的特点,提出了低真空系统的改造实施方案,同时指出了实现低真空必须具备的条件,以使其运行稳定,达到很好的效果。
4)  vacuum cryogenic
真空低温
1.
Design of large-aperture lightweight elliptical plane reflecting mirror used in the vacuum cryogenic environment;
真空低温环境用大口径轻量化椭圆平反镜设计
5)  low vacuum
真空低
1.
1 heat power plant of Taiyuan City occurring at the same time,this paper analyzes on the reasons ofthe low vacuum of the condenser,and advances some measures for solving the lowvacuum of the condenser.
针对太原第一热电厂六期扩建工程安装的两台300MW汽轮机组同时出现凝汽器真空低的问题,分析了引起凝汽器真空低的原因,提出了解决凝汽器真空低问题的措施。
2.
Aiming at the problem of low vacuum in No.
针对神头二电厂1号机组凝汽器真空低的问题,根据现场经验和对运行参数的理论分析,找出了导致凝汽器真空降低的主要因素,提出了相应的解决和改进措施,实施后效果显著,确保了机组经济、安全和稳定运行,同时为同类机组解决真空低问题提供了方法。
3.
Low vacuum is a general problem existing in homemade 300 MW turbine units that have been put into operation recently in Tieling Power Plant.
通过大量的调查研究 ,分析了真空低的原因及危害 ,并提出整改措施 ,提高了真空
6)  LV(low vacuum)
LV(低真空)
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性质:是指在给定的空间内,维持低于周围大气压(或小于周围大气密度)的稀薄气体状态。真空度表示处于真空状态下气体的稀薄程度,通常用压强值来表示。真空度愈高,就意味着气体的绝对压强愈低。

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