对改造后的密封气系统的经济效益和社会效益做了分析。
The economic results and social benefits of seal gas system after improvement are analyzed.
在有关端面密封气膜压力分布的计算中，采用了对几何结构适应性强的有限元素法。
The adaptable finite element method is used for calculating the pressure distribution of gas film for face seal.
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。
With the increasing of seal face's positive taper, the stiffness of gas film is obviously increased, but the leakage of seal is also increased.
简述了引进的离心压缩机密封系统技术改进的必要性，具体介绍了用塔顶干气作为密封气的改造方案。
The necessity of technical improvement for centrifugal compressor seal system is briefly described. The improving method of taking the overhead tower dry gas as seal gas is introduced in detail.
应用微扰方法和有限元法，对端面气膜密封三自由度微扰下，密封气膜的刚度和阻尼系数进行了数值求解。
The small perturbation method and the finite element method were used to calculate the stiffness and damping coefficients of a gas film with three degrees of freedom for a gas film face seal.
当它们被密封之后，就向其中注入氪气和氩气。
After they are sealed up, krypton and argon gasses are pumped into the space in between.
介绍了膜片式气室的尺寸系列及参数、有效面积的设计、密封要求和装配等方面的内容。
The size series, parameters, calculation of effective area, requirements of sealing and assembling etc. of the diaphram type air brake Chambers are presented.
因此需定期检查整个气路是否密封完好。
Therefore need regular check the gas path is sealed in good condition.
油(气)田测井用密封型放射源放射卫生防护标准。
Radiological health protection standard for using sealed radioactive sources in oil and gas-field logging.
几十年来，美国国家标准学会设计的ANSI法兰已经为石油和天然气工业提供了壹种适用的密封技术，而且卓有成效。
For decades, American national standards institute ANSI flange design has been for the oil and gas industry is provided one of the sealing technology, and effectiveness.
研究表明，启动过程中，密封的特性参数在开启临界气膜厚度附近快速变化；
The results indicated that the sealing parameters changed remarkably near the opening critical film thickness in the start up process.
该蝶阀采用阀体同质材料加工成密封圈，采用电或气传动。
The butterfly valve using the same materials as seals, the use of electric or gas transmission.
密封真空器件内残气的质谱分析，必须解决开管取样技术问题。
It is necessary to solve openning-tube sampling problem for the mass-spectrometer analysis of residual gases in sealed vacuum devices.
在密封条件下，是否药剂处理、气调保鲜与板栗储藏效果无明显影响。
Germination percentage is normal after store in condition of seal, medicament treatment and air regulation for keeping their fresh don't influence clearly store result of Chinese chestnut.
根据开启临界气膜厚度的假设，提出了用于分析干式气体密封开启性能的判据——开启临界转速。
With the hypothesis of critical gas film thickness, a criterion for expressing the opening behavior of DGS, namely the critical opening rotational speed (CORS), was proposed.
所有Y型阀的装配方式都配有密封垫，特别是“浮动”密封垫利用分气箱内的空气压力固定在分气箱表面。
All the Y-type valves are provided with sealing plates, in particular, the "floating" sealing plates which are fixed to the surface of the manifold box by the air pressure in the bag.
空气在向下运动过程中受到浮标向上的推力，使阀球将阀门里的气舱密封住，这样迫使气流进入雾笛。
Air is forced up from the buoy counterweight tube during downward motion causing the balls to seal the air ports in the valve, thus forcing the air to flow into the whistle.
活塞组采用两道压缩环，密封能力强、配气定时准确；
There are two compression rings for the piston group which guarantees good sealing performance and accurate valve timing.
介绍了一种新型气膜密封结构、性能特点及其应用。
The structure, performance and features of a newly developed non-contacting gas film seal were introduced.
介绍了膜片式气室的尺寸系列及参数、有效面积的设计、密封要求和装配等方面的内容。
The size series, parameters, calculation of effective area, requirements of sealing and assembling etc. of the diaphram type air brake chambers a…
本文介绍航空燃气轮机转子叶尖“紧间隙”密封的典型结构型式现状，转子内流系统应用气膜密封的有关研究进展。
The paper introduced typical structure of the close clearance seals for blade tip seals in modern aero-turbine and the research progress of gas film seal for gas turbine.
从理论上讨论了用常规氦质谱仪检漏方法测定两密封件串联密封的气路系统各密封件“单密封”泄漏率的问题。
In the paper, a theoretical analysis is given for the ordinary helium mass spectrometer method used to detect the "single seal" leakage rate of each two seals in a serial two-seal pneumatic system.
由于其无毒、无味、优良的密封性、绝缘性、耐腐性，被广泛应用于水处理、天然气、化工、塑料、电子工程等领域。
Due to its non-toxic, tasteless, good sealing, insulation, corrosion resistance, are widely used in water treatment, gas, chemical, plastic, electronic engineering and other fields.
确保真空除气系统正常运行和二级除盐水箱的密封效果是控制腐蚀的主要手段。
The insurance of the normal operation of vacuum degassing system and sealing performance of the desalted water drum was the important measure to control the corrosion.
由于空压机进气侧轴承箱蜗壳温度探头密封效果不好，使空压机及其后续管道受到油污染。
Poor sealing effects of temperature probe of scroll of bearing box at air inlet side of the air compressor results in oil contamination of following pipeline of air compressor.
密封垫是气相色谱误差的主要来源之一。
One of the chief sources of error in gas chromatography is the septum.
密封垫是气相色谱误差的主要来源之一。
One of the chief sources of error in gas chromatography is the septum.
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