• The temperature calculation is conformity with reality. The test showed that the artificial lift method had a better thermal recovery effect.

    试验表明温度计算实际相符举升方法具有好的热力采油效果。

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  • Electrical submersible pump lifted Wells is the main high rate artificial lift method in the high water cut period, but it is difficult to determine the down hole failure during productions.

    油田进入含水所采用的电潜泵作为增大排液量的方法,在生产过程容易出现许多不易判断井下故障

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  • Some problems such as high cost of tripping the tubing string, limited injection pressure and insufficient gas supply will be faced when gas lift is used as an artificial lift method for deep Wells.

    深井伴生气经压缩机增压进行采油,碰到油管作业费用大、地面注气压力有限气源可能不足以满足各井需求问题

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  • Pig lift method with U-shape double strings is easy to be limited by size of casing and very complicated in construction operation process. Thus, the large restrictions exist in the field application.

    球塞气方式采用U型管柱套管尺寸限制,且施工作业较为复杂,应用受到较大限制。

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  • The lift:Update.show tells Lift we want to invoke a method called show on a class called Update.

    show告诉Lift我们希望调用Update上的 show方法

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  • In 1880, German Siemens method using a power lifter, and be worthy of the name "lift" appear formally.

    1880年,德国人西门子发明使用电力升降机,从此名副其实的“升降机”正式出现

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  • The suction effect on separation and lift force are studied by numerical method.

    本文使用数值模拟方法研究了吸气效应分离的控制增升作用

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  • According to the characters of Dynamic Inversion method in making multivariable control system decoupling, we design a set of control law for every direct lift control mode.

    本文针对动态控制方法不足之处提出了相应的改善措施取得了较为理想的效果。

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  • The function of each installation of the lift, safety installation return and method of stoppage examination are introduced.

    介绍了电梯装置功能,电梯的安全装置回路,及其故障检查方法

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  • On the basis of perfecting gas-lift formula method design, this paper presents the design program worked out with PC-1500 computer for gas-lift water withdrawal technology in gas production.

    本文完善公式设计基础上,提出PC-1500计算机编制的气举排水采气工艺设计程序

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  • Voltage lift technique is a popular method that is widely applied in electronic circuit design.

    电压举升技术一项广泛应用电子电路设计的方法

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  • A landing gear drop test method is presented in this paper, in which the lift is simulated by an air actuator and accumulator system with constant pressure.

    结合某型号飞机试验任务,阐述有关空气仿起落架震试验方法

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  • The paper USES finite element method to calculate the whole reel structure of a ship lift and presents the mechanical model of finite element analysis for the structure as a whole.

    采用有限单元升船机卷筒结构进行整体计算提出有限元分析力学模型筒壳、幅板的强度及刚度作了全面分析

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  • This paper analyzes the phenomenon that the lift washes an accident. It discusses practical upward and overspeed problems of the protector main method and solving way.

    本文以在用电梯冲顶事故现象符合标准的角度谈实用上行超速保护装置问题、防范的主要方法解决办法

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  • It was not luck or accident but vision, quiet resolve, and the application of the scientific method that let Orville and Wilbur Wright lift up the human race.

    奥维尔·赖特威尔伯·赖特使人类实现飞跃,不是依靠运气意外而是靠着想象力、坚忍毅力科学方法

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  • As a new installation method for big structures, double girder integral lift is mainly composed of fixed girder, moveable girder, work anchor, moveable anchor, jacks and guide rail.

    整体提升一种新型大型结构安装方法,主要固定梁、活动梁、钢绞线、工作、工具锚、导向装置及千斤顶组成,现在常用的安装方法相比,具有价廉、安全、高效和易推广等特点。

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  • Since this method adopts non-linearized theory of the lift coefficient curve of the blade section and multiple streamtube model, and has revised the aspect ratio influence, so it has wide suitability.

    这个方法采用了升力曲线非线性理论管的理论模型展弦影响进行了修正从而具有广泛的适用性。

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  • The effects on engine CAM lift curve by different smoothing method have been compared.

    比较不同方法发动机配气凸轮升程曲线拟合影响

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  • A new mathematical method of valve theoretic movement rules according to the CAM lift data was introduced.

    介绍了一种根据凸轮升程数据求取气门理论运动规律计算方法

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  • This paper presents the numerical simulation method and calculation results for the flow around a high lift devices of airplane.

    本文给出了飞机增装置气动力特性数值计算方法计算结果

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  • To increase the shear strength on lift joints of the high roller compacted concrete dam (RCCD), a kind of construction method is brought forward.

    理论分析认为这一施工技术对提高碾压混凝土抗剪强度效果显著。

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  • As a numerical example, we used our method to design the vertical transition mode(direct lift control) of a certain active-control aircraft for gust alleviation.

    用该方法主动控制飞机垂直平移态(直接控制)进行了解耦设计,并将其应用于飞机的阵风减缓。

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  • Therefore, this paper design the gas lift technology method fitted for deep wells using nitrogen.

    为此本文建立了一套深井氮气连续工艺设计方法

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  • This paper introduce the application of PLC control system for lift , and describe the method and the process to control automatic cargo lift which are available for reference.

    介绍PLC电梯控制系统中的应用,重点讨论了四层自动货梯的控制方法控制过程

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  • The traditional method for accessing bogies was to lift the car body off the bogies by use of an overhead crane or cranes as shown in the left hand photo below.

    传统检查转向架方法天车车体吊转向架,照片所示

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  • A numerical optimization method of airfoil maximum lift design by solving adjoint equations based on ns equations is studied in this paper.

    使用控制理论方法建立了对翼最大升力优化设计的模型。

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  • Rod pumping is a main artificial lift oil production method in petroleum industry.

    有杆采油石油工业传统而占主导地位的人工举升采油方式

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  • As for tank shell construction of large capacity, wind power lift-up method is adopted for its simpleness, maneuverability and economy.

    对于容积罐体施工采用风力顶升,具有简单、易操作较好经济性

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  • The potential lift is computed by the numerical method of basic solution distribution.

    流升力计算,采用基本解的数值计算方法

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  • To enhance the roughness of the blade's partial area for increasing the lift drag ratio, a new method was given in this paper.

    该文给出了提高栅叶片措施,即采用加大叶片局部粗糙度来提高叶片的升阻比。 实验研究证实这种方法确实有效。

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