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- oil tube cooler 管状滑油散热器
- An oil tube in the fruit of certain plants, such as the carrot or parsley. 油道某些植物果实中的油管,如胡萝卜或欧芹
- An oil tube in the fruit of certain plants,such as the carrot or parsley. 油道某些植物果实中的油管,如胡萝卜或欧芹
- An oil tube in the carpel walls of the fruits of the Umbelliferae (Apiaceae). 油道 Vitta(pl.;vittae) 伞形科植物果实心皮壁上的油管。
- Regenerator is one of the key components of pulse tube cooler, and its efficiency can greatly influence the performance of pulse tube cooler. 回热器是脉管制冷机的关键部件之一,其效率对脉管制冷机性能有很大影响。
- The phase shift theory and transmission line model of inertance tube in the Stirling type pulse tube cooler were introduced. 摘要介绍了斯特林型脉管制冷机中惯性管调相的原理和惯性管的传输线理论模型,给出了惯性管尺寸的优化计算方法。
- After a review of the history and recent development of pulse tube cooler and thermoacoustic engine, the theories of pulse tube cooler and thermoacoustics are introduced. 针对目前脉管制冷机设计理论不完善的问题,本文重点围绕脉管制冷机的设计方法和惯性管调相的理论模型进行了深入研究。
- Main products: oil tank, oil tube, oiler support, oil pump, oil applying wheel etc. 产品主要结构:油箱、油管、安装支架、油泵总成及涂油轮等组成。
- Outer thickening oil tube has been applied popular in the petrol production with the problem of many product. 摘要外加厚油管在国内外石油生产中应用比较广泛。
- The cross testing method is applied to analyze and design wearing test of sucker rod and oil tube. 运用正交实验法对抽油杆与油管的磨损实验进行分析和设计。
- The oil tube thread jointer used to conduct coating with the compound lubricant when connect the jointers. 以前在油井管螺纹接头连接时,要进行涂覆复合润滑脂。
- In this paper, results of two kind two-stage pulse tube cooler driven by 55CC 16Hz valveless compressor are reported, and after continue improvement, 25K lowest temperature is got. 然后介绍了两种紧凑型结构的两级脉冲管制冷机实验结果。经过多次改进,发现了无阀型多级脉冲管的一些特性;实验得到了25K的最低温度。
- To add a new unit under the pump,it makes the oil tube telescopes elastically as the oil well pump moves up and down. 在泵下增设一个新装置,使抽油泵上下运动时,油管产生弹性伸缩。
- Using finite element method (FEM), the magnetostatic and transient emulation models of magnetic flux leakage (MFL) of oil tube are established. 采用有限元技术,建立了油管缺陷漏磁场的静态和瞬态仿真模型。
- The former has been mature, its pressure is too high (over 70 MPa) to work safely and the required intensity of oil tube is very high. 第一种模式已经比较成熟,但射孔工作压力太高(一般70MPa以上),作业时不安全,且对油管强度要求很高。
- Finally, the cooling temperature of the thermoacousticlly driven pulse tube cooler is deceased from 83.5K to 81.6K with the acoustic amplifier. 最后采用不同长度的声学放大器进行热声驱动脉管制冷机实验,使单级脉管制冷机制冷温度由原来的83.;5K下降到81
- Compared with static and transient simulation results, the limitation that uses magnetostatic model to simulate MFL of defects of oil tube is concluded. 静磁场模型求解效率高、占用的计算资源少,但是随着检测速度的增大,求解结果明显偏高。
- The reason being unable to reset the main valve in the hydraulic control system of circuit breaker in GIS due to the crack of high pressure oil tube is analyzed in this paper. 本文阐述了GIS中高压断路器用液压机构因高压油管破裂所引起的液压系统中控制主阀不能复位的原因,以及防止和处理类似故障的方法。
- DC Flow and Its Suppression in Pulse Tube Cooler 脉管制冷机中的直流流动
- Through analyzing the force on the oil tube and sucker rod of the pumping well,this paper presents that the impingement displacement of normal productio... 矿场应用表明,机抽井检泵交井后重校防冲距有效地提高了泵效。