查询词典 oil pressure
- 与 oil pressure 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Influences of reaction temperature, hydrogen pressure, space velocity and hydrogen/oil ratio were investigated and optimum condition was obtained.
研究了加氢精制的工艺条件,考察了反应温度、氢压、体积空速和氢油比对聚α-烯烃合成基础油加氢效果的影响,确定了最佳的加氢精制工艺。
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Flow measurement of oil-water two-phase flow was carried out with a Venturi meter using differential pressure method.
利用文丘里管基于差压法来测量油水两相流的流量。
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Currently most domestic break-test-plateform adopt the liquid-pressure-servo technique, which possesses the advantages of higher frequency-response and higher controlling exactness, but in the same time , the disadvantages of higher cost, variation of function with the change of oil viscousness produced by the fluctuation of temperature.
目前,国内的制动器试验台大多采用的是液压伺服控制,这种控制具有响应频率高、控制精度高等优点,主要缺点是系统成本高、油液粘度随温度变化引起工作性能的变化、且液压系统对油液的污染比较敏感,必须要有良好的保护和过滤措施。
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Taking normal circulation of heating furnace walking beam for example, the structure and operating principle of three main current change valves are raised with the emphasis on the pressure oil change under each action.
以加热炉步进梁正循环为例,阐述了三个主要电液换向阀的结构及动作原理;并详细分析其每一动作中控制油路压力油的变化情况;说明了将控制油路由"外控"改为"内控"后系统仍然能正常工
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In our country, waterflood early has been used in most oil field to keeping formation pressure.
在我国,大部分油田均采用早期注水以保持地层压力,水力压裂对注水开发效果的影响成为一个引人注目的问题。
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The solution is to first plate on a layer of absorption of paper air pressure once again that the background color of the ink layer waxiness, non-drying oil quality adsorption off and short-run operation.
解决办法是先在印版上粘上一层吸收性强的纸空压一遍,将底色墨层上的蜡质、不干性油质吸附掉后,再进行烫印操作。
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It is confirmed by laboratory test and field test that both of them have good effect on unplugging in oil well, decreasing pressure and increasing injection rate in water well, profile control at well group, reservoir sweep, and so on.
室内实验和矿场应用结果表明,在油井解堵、水井降压增注及井组调剖驱油等方面都见到良好效果。
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Hydration process and products, crystallization morphology and paste structure as wellas physical and mechanical properties of alite type oil well cement at pressure of 400kg/cm~2and temperatures from 75℃ to 300℃ have been investigated.
研究了在温度75~300℃和压力400kg/cm~2水热条件下硬化的阿利特型纯熟料油井水泥的水化产物、水化过程、结晶形态、水泥石结构及其物理力学性能。
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The steam distillation. 2.Rotary evaporation distillation, 3.supercritical extraction for the extraction of volatile oil oriental arborvitae, the experiment results showed, 1.the best conditions for the extraction by rotary evaporation are NG:water:ethanol=l:4:4 sawdust under the conditions 50 ° C in temperature, atmospheric pressure 0.1 Pa, extract maximum extraction rate of 90 minutes.
对不同方法提取得到的侧柏挥发性物质的粗提物进行了的触角电位测定和行为测定,确定了利用水蒸气蒸馏、旋转蒸发蒸馏、超临界萃取三种方法进行侧柏挥发油的提取,并通过试验得到旋转蒸发仪萃取的最佳方法为:在木屑:水:乙醇=1:4:4;50℃温度;0.1个大气压的条件下,提取90min的提取率最高。
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A marine diesel engine lubricant composition having a TBN of at least 10 and preferably a VI of at least 90, comprises a major amount of oil of lubricating viscosity, and admixed therewith, minor amounts of an ashless antiwear additive and a metal detergent in the form of an overbased metal detergent having a TBN at least 300, preferably at least 330, more preferably at least 400, and comprising a surfactant system derived from at least two surfactants, and/or a metal detergent other than; provided that, if detergent is present, the composition does not contain a minor amount of an extreme pressure additive, being up to 5.0 mass % based on the total mass of the composition.
本发明公开了一种TBN至少为10且优选Ⅵ至少为90的船用柴油机润滑剂组合物,该组合物包含主要量的具有润滑粘度的油、以及混入其中的少量无灰抗磨添加剂和金属洗涤剂,后者的形式为:TBN至少为300,优选至少330,更优选至少400且包含衍生自至少两种表面活性剂的表面活性剂体系的高碱性金属洗涤剂,和/或非的金属洗涤剂;前提是,如果洗涤剂存在,该组合物就不含少量的最高占所述组合物总质量5.0%质量的特压添加剂。
- 推荐网络例句
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But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
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Ah! don't mention it, the butcher's shop is a horror.
啊!不用提了。提到肉,真是糟透了。
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Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。