Mechanism about gas seal and main parameter were studied.
从理论上对干气密封的机理及影响参数进行了研究。
The article for lubricating oil into dry gas seal reason is analyzed.
本文针对干气密封一次进油事故原因进行了分析。
In short: the occasion where the use of mechanical seals can be used dry gas seal.
总之：凡使用机械密封的场合均可采用干气密封。
Reasons of leakage were analysis, and application of dry gas seal was introduced particularly.
为了解决泄漏问题，分析了泄漏的原因，详细地介绍了干气密封的应用实例。
Valve can turn 90 degree working in testing course, especial suitable for property experiments of gas seal.
阀门在试验过程中可翻转90度工作，特别适用气密封性能试验。
Theoretically study the dry gas seal mechanism and main parameters effect the performance of the dry gas seal.
从理论上对干气密封的作用机理及影响干气密封性能的主要参数进行了研究。
As a seal test, sensitivity of helium leak test is higher than other test methods as gas seal and NH_3 leak test.
氦泄漏试验作为一种致密性试验，它的检漏灵敏度远远超过了气密性试验和氨渗漏等试验方法。
A new type of dry gas seal structure and working principle applied on high pressure ammonia pump were recommended.
介绍了一种新型高压氨泵采用干气密封的结构及工作原理。
A theory model considering the isotropy roughness and static stator angular misalignment of dry gas seal was given.
建立了考虑低速干气密封端面各向同性粗糙度和静环静态角偏差的理论模型。
The dry gas seal fundamentals and the technique characteristics of herringbone spiral groove dry gas seal were introduced.
对干气密封原理和人字形螺旋槽干气密封技术特点进行了介绍。
The paper introduces the structure, working principle, advantage of gas seal in centrifugal pump and its application and prospect.
介绍干气密封的结构、工作原理、优越性，以及在离心泵轴封领域的应用情况和前景。
The behavior of the start up process of dry gas seal (DGS), which has great significance in engineering was studied based on the steady state analysis.
鉴于干式气体密封启动过程的重要工程意义，基于稳态分析方法研究了该种密封的开启特性。
The reasons for worn dry gas seal on t slot, leakage and the short life of application were analyzed for the ammonia plant in Jilin Chemical Industry Company.
分析了吉林化学工业公司化肥厂合成氨装置氨压缩机t形槽干气密封磨损、泄漏、使用寿命短原因。
The dry gas seal of compressor is presented and the course of its failure was introduced. The cause was analyzed, and the measures we must take were brought forward.
介绍了干气密封在压缩机上的使用及损坏过程，分析了干气密封的损坏原因，并提出了使用过程中的注意事项。
The vibration characters of the labyrinth gas seal device are analyzed with non-dimensional parameters in ANSYS and the non-dimensional frequencies and modes are obtained.
对各参数进行无量纲处理，借助ANSYS软件分析篦齿封严组件振动的特性，获得结构无量纲频率和振型；
The deficiency of the mechanical seal of ammonia compressor was presented, and the way, the feasibility and the economical efficiency of the gas seal reform were discussed.
对氨压缩机密封存在的问题进行了分析，提出了改进意见，并对现场实施改造的可行性、经济性进行了探讨。
Principle of dry gas seal with screw groove type was introduced. It was applied in the centrifugal compressor to realize zero gas leakage. It has safety operation of the compressor group guaranteed.
介绍螺旋槽式干气密封的工作原理，通过在离心式压缩机上应用使瓦斯达到零泄漏，保证机组的安全操作与运行。
You have to mix oil into the gas in a two-stroke engine because the holes in the cylinder wall prevent the use of rings to seal the combustion chamber.
在二冲程发动机中你必须混和燃料和气体，因为气缸壁上的孔阻止使用活塞环密封燃烧室。
The report indicates that a bad cement seal on the oil well allowed gas and other liquids to flow up the production pipe.
这份报告表示，油井上一个有问题的水泥塞使得天然气和其他液体通过生产管道涌向海面。
Can we seal a comprehensive, equitable and ambitious deal in Copenhagen that will reduce greenhouse gas emissions and limit global temperature rise to a scientifically safe level?
我们能够在哥本哈根达成一个全面、公平而又雄心勃勃的协议，以降低温室气体排放和把全球气温上升限制在科学上认为安全的程度吗？
Soon afterwards, presumably because a seal had failed, natural gas burst out of the well with a shower of mud, knocking birds from the sky.
之后不久，可能由于封井失败，天然气伴着阵阵泥浆从油井喷涌而出，击中了天空中飞翔的鸟儿。
I've seen people do breath control with gas masks whose rubber edges conform to the face and seal well, regulating the bottom's access to air through the breathing hose.
我见过一些人戴防毒面具，密封完好，施虐方通过控制面具下方的呼吸管来进行游戏。
Reformation of nitrogen seal of blast furnace gas compressor is introduced.
介绍了高炉煤气压缩机采用氮气密封的改造。
To avoid shortening seal life, consideration shall be given to evolution of gas and vaporisation in seal flushing streams.
为了避免短缩密封生活，考虑将对密封脸发红的气体和汽化的进化有流。
The GGH seal air fan ensures zero leakage of the raw gas to the environment.
热交换器的密封风机以确保没有原烟气泄漏到环境中。
With the increasing of seal face's positive taper, the stiffness of gas film would obviously increase, but the leakage of seal would also increase.
密封端面正锥度的增加能使密封气膜刚度显著提高，但同时也使密封的泄漏量有所增加。
With the increasing of seal face's positive taper, the stiffness of gas film would obviously increase, but the leakage of seal would also increase.
密封端面正锥度的增加能使密封气膜刚度显著提高，但同时也使密封的泄漏量有所增加。
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