指出了离心空压机气封轴向间隙存在的问题及造成的危害。
The presented problems and resulted harm about air seal axial clearance in a centrifugal compressor are pointed out.
套筒式气封和油封总成，油封之间通密封空气， 油封与气封之间有一通大气的腔室。
Cartridge type air and oil seals-seal air is injected into the oil seal and is vented to atmosphere between the seals.
已经对冷却剂进行测试，没有燃烧气体的迹象。检查冷却系统时，也没发现气封和阻塞的情况。
The coolant has been examined for signs of combustion gases and checks have also been made of the cooling system for air locks or blockages.
然而由于压气机本身的固有结构特点，无法通过设计或者是其他手段彻底消除气封间隙流的影响。
However, because of the features of essential structures, the influence of shrouded stator cavity flows can not be completely eliminated via design or other methods.
同时根据气封间隙泄漏流的流动特性，采用一种针对静叶流道的优化方法，以期改善泄漏流对压气机整体性能的影响。
According to the properties of cavity flows, a certain optimization method is applied on the hub in order to improve the performance of compressors.
因此，研究气封泄漏流动的具体细节和作用机理，对于控制气封间隙泄漏流对压气机性能造成的负面影响有着积极的意义。
Therefore, researches on the details and mechanisms of cavity leakage are significant for control of the negative influences, which are caused by cavity flows, on the compressors'performance.
本文对某亚音轴流压气机的中间三排叶片进行定常与非定常数值模拟，分析在不同的动叶叶顶间隙和静叶气封间隙组合下压气机的流动特性。
One and a half stages of a subsonic compressor were simulated with steady and unsteady calculation, comparing the performance with different combination of tip leakage and seal cavity.
俄罗斯天然气工业股份公司的发言人新年前夕在莫斯科举行的新闻发布会上展示了一封信，他说这封信是乌克兰天然气公司的负责人签署的。
A spokesman for the Russian gas giant, Gazprom, held up a letter at a Moscow new conference on new Year's Eve that he says was signed by the head of Ukraine's gas company.
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。
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.
至于她们的母亲，原来的一般怨气已经被柯林斯先生一封信打消了不少，她倒准备相当平心静气地会见他，这使得她的丈夫和女儿们都觉得非常奇怪。
As for their mother, Mr. Collins's letter had done away much of her ill-will, and she was preparing to see him with a degree of composure which astonished her husband and daughters.
他因为那封信很生你母亲的气。
在不增加气瓶总质量的情况下，得到了提高封头疲劳强度的设计方法。
Design method to enhance fatigue strength of a dome is given without increase of total cylinder mass.
苔丝又气又怕，随即给丈夫写了一封长信，恳求克莱迅速归来保护自己。
Tess also afraid of gas, then to her husband wrote a long letter to implore Klein quickly return to protect themselves.
研究泥岩盖层封气性演化阶段，可以正确评价泥岩盖层的封气能力及其有效性。
The study of gas confining evolution of mudstone seals can be used to evaluate gas confining ability and its efficiency.
北卡那封盆地是澳大利亚最主要的产油气盆地，也是世界上主要的富气盆地之一。
The North Carnarvon Basin is the premier oil and gas producing basin in Australia and one of the world-class gas-rich basins.
他本来打算一鼓作气推进到耐登堡，但一封拦截到的俄军电文使他改变了主意。
His original plan had been to proceed to Neidenburg but this changed due to an intercepted Russian radio message.
天然气水合物是一种具有巨大潜能的新型非常规能源资源，其对常规油气藏可起到很好的封盖作用。
Natural gas hydrate which plays a fair role in sealing the conventional oil and gas reservoirs is a new unconventional energy resources with great potentialities.
成藏期晚和第三系欠压实泥岩形成大面积的压力封盖，有利于天然气的保存。
Late pool forming periods and the Tertiary undercompacted mudstone forming large area of pressure sealings are advantageous to the preservation of natural gas.
煤层气的保存则取决于顶底板的封盖能力、构造活动、水动力环境等条件。
The preservation of CBM pool is mainly controlled by the sealing capacity of roof and floor plate, tectonic activity and hydrodynamic environment.
通过断裂带泥质含量与断裂带封闭天然气所需泥质含量下限值的比较，建立了一种静止时期断层垂向封气性的研究方法。
The method of studying the vertical gas-seal ability of fault at motionless stage was established by contrasting the shale content with its cutoff.
至于她们的母亲，原来的一般怨气已经被柯林斯先生一封信打消了不少，她倒准备相当平心静气地会见他，这使得她的丈夫和女儿们都觉得非常奇怪。
As for their mother, Mr. Collins'; s letter had done away much of her ill-will, and she was preparing to see him with a degree of composure which astonished her husband and daughters.
本实用新型提供一种气动输送装置，包括缸体、活塞杆，活塞封，两侧的储气室，换向器，各内部通路。
The utility model provides a pneumatic conveying device, which includes a cylinder body, a piston rod, a piston seal, air storage Chambers on two sides, a reverser, and each inside passage.
其YGF系列机型适用于不含气饮料的常温，高温灌装、封罐。
Its YGF machines in series are suitable for filling and sealing the juice at normal or high temperatures.
因此对SF6封闭式组合电器各气室因内部电弧引起的压力、温度场研究，成为研究的重点。
Therefore the pressure and temperature distribution in SF6 GIS become the focus of the research.
结果表明，天然气勘探开发中的重大发现井，一旦出现井控严重失控，且存在井身结构及工程缺陷时，需要打超长的水泥塞封井。
The results have indicated that major gas discovery Wells need to be closed by a long cement plug if they are heavily out of control and have shortcomings of hole structure and engineering.
川西须二气藏具有其自身的特点，新851井为川西须二气藏气井，具有高温、高压、高产且含CO2的特征，由于多种原因导致被迫封井。
New 851 well is a T3x2 gas well in the west of Sichuan basin, having the characteristics of high temperature, high pressure, high output and CO2-bearing.
应用效果表明了煤层气抽采钻孔封孔技术优化，能达到提高煤层气抽采浓度和抽采量的目的。
The results of optimization of sealing technology for CMM boreholes have indicated that aim of improving the concentration and quan…
水、电、气安装：安装在通风柜两侧的封板内。
Water, electricity gas installation: installed in the side boards of the draft cupboard.
此产品具有防静电功能好、抽真空效果佳、透明度高、透（氧）气率低、防潮性能好、抗拉强度与耐穿刺强度高、易热封、密封性好、不易老化等特点。
It could be firmly hot sealed and strongly laminated between different layers of material; four cornered solid construction make it also has good function of resistance of the water and oxygen .
此产品具有防静电功能好、抽真空效果佳、透明度高、透（氧）气率低、防潮性能好、抗拉强度与耐穿刺强度高、易热封、密封性好、不易老化等特点。
It could be firmly hot sealed and strongly laminated between different layers of material; four cornered solid construction make it also has good function of resistance of the water and oxygen .
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