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The columnsyn is a new type digital linear displacement sensor. 柱栅是一种新型直线位移数字式传感器。
And WDL linear displacement sensor is used to gain signal of displacement of handcart. 对于手车位移信号的监测，选用了WDL直滑式导电塑料电位器。
Rotating casing is helpful to improve effectively mud displacement efficiency and thus improve cementing quality. 旋转套管可以有效提高水泥浆顶替效率,从而提高固井质量。
A floating system is used to follow liquid level and optical decoder to realize theconversion frem linear displacement to angle displacement. 光通断的变化信号由光纤传输到测量室,并转换为电脉冲,单片机对脉冲记数即测量出液位大小。
HMC1501 is a special linear/angular displacement sensor, a magnetoresistive sensor.The typical application is to sense linear displacement. 摘要HMC1501是一款专门的线位移／角位移传感芯片，属于磁阻传感器，其典型应用方案是用来测量直线位移。
Stepping motors anr DA converting elements that can turn digital pulse signals into mechanical angular displacement or linear displacement. 步进电动机是一种将数字脉冲信号转换成机械角位移或者线位移的数模转换元件。
The relative average error between predicted oil displacement efficiency and actual value is 8.7%, the accuracy meets demand of production. 驱油效率实际值与预测值平均相对误差8.;7%25，精度满足生产要求。
The mathematical expression between angular displacement of these joints and linear displacement of power units is established and the calc... 建立了单自由度关节的角位移与驱动元件伸长量间的数学表达式,并根据示例完成了单自由度关节设计计算。
A compounded system mainly composed of petroleum sulfonate was developed and then an oil displacement efficiency experiment was carried out. 通过大量的室内实验,研制出以石油磺酸盐为主剂的复配体系,并开展了驱油效率实验。
Moreover slag MTC technique is also possessed of the advantages as raising displacement efficiency and cement job quality,etc. 此外矿渣MTC技术还具有提高顶替效率及固井质量等优点 .
Adopting helical flow displacement theory can overcome the disadvantage and greatly improve the displacement efficiency. 使用螺旋流顶替理论能克服这一缺点,大大改善顶替效率。
Under the mathematics model of the Inductosyn guiding and leading by the theories of electromagnetism, it deduced the Columnsyn sensor linear displacement mathematics model. 本文在电磁场理论指导和感应同步器的数学模型引导下，推导柱栅传感器数学模型。
This paper depicts the software and hardware makeup and the work principle of the linear displacement transducer, and analyses the uncertainty of measurement. 本文主要叙述线位移传感器静态校准装置软、硬件组成及工作原理，并对其进行了测量不确定度分析。
The turbulator can be used to improve the centralization of the casing strings, to allow the fluid to form spiral flow, as well as to improve the displacement efficiency. 使用旋流扶正器既可提高套管的居中度,又可对流体进行导流而形成螺旋流,还可以提高环空水泥浆对泥浆的顶替效率。
This paper studies the factors including injection pattern, injection procedure and slug size which influence the displacement efficiency of loam flooding. 针对影响泡沫复合驱驱油效率的注入方式、注入程序及段塞大小等重要因素进行了一系列的研究。
A micro ball screw and PWM(Pulse Width Modulation) servo amplifier based on Smart Power IC SPIC are applied in this system. Higher accuracy, band width, linearity, efficiency and linear displacement output are characteristics of the system. 该系统采用了航空精密微型滚珠螺旋副和基于智能功率集成电路（SmartPowerIC－SPIC）的PWM（PulseWidthModula－tion）伺服放大器，具有精度高、频带宽、线性度好、效率高和线位移输出方式等特点。
The mechanism and the extent of action of polymer solution's depleted layer effect and viscoelastic effect on displacement efficiency and sweep coefficient . 通过聚合物溶液在不同模型中的驱油实验，研究了聚合物溶液的衰竭层效应和粘弹性效应对驱油效率和波及系数的作用机理和作用程度。
It results in changing the downhole flow field and flow status when the energy field passes through the liquid and attenuates，and it improves the displacement efficiency. 这些能量场在液体中传递并衰减，就造成了井下流场和流态的变化，改善了驱替效果。
The plugging ability and displacement efficiency of sodium silicate under high temperature and high salinity are studied with the application of physical simulation of cores. 采用岩心物理模拟方法，研究了水玻璃在高温、高矿化度下的封堵能力及驱油性能。
The casing offcenter is a key factor to effect the displacing efficiency. 套管偏心是影响顶替效率的关键因素。