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principle and device
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  原理及装置
     Study of the New Fiber Differential Protection Principle and Device
     新型光纤纵差保护原理及装置的研究
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     The Principle and Device of Measuring the Pitch Diameter of a large Diameter Sawtooth Thread with Single Ball
     用单球法测量大直径锯齿形螺纹中径的原理及装置
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     STUDY ON UITRASONIC MEASUREMENT PRINCIPLE AND DEVICE FOR WINDING DEFORMATION
     绕组变形超声检测原理及装置的研究
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     It will be analysed that the load driving system which is made up of the engine , hydraulic pressure transmission and load. With the require to the load of every work in different operating mode, how to put forward a most rational control principle and device which is suitable for engine and hydraulic system is the main purpose that thesis study.
     分析发动机、液压传动系统和负荷组成的负荷驱动系统,针对各作业工况不同的负荷要求,提出最适合于发动机和液压系统的最合理的控制原理及装置是论文研究的主要目的。
短句来源
     The operation principle and device to produce acetin and hydroxyethyl acetate for foundry firming agent were analyzed in the paper, and the choice of esterification catalyst and dehydrated agent in the esterifying process also were analyzed theoretically, And finally, the better producing operation device, catalyst and dehydrated agent were obtained.
     分析了铸造用有机酯固化剂醋酸甘油酯和乙二醇醋酸酯合成工艺原理及装置,同时对有机酯合成工艺条件中脱水剂和催化剂的选择的理论依据进行了分析,得出铸造用有机酯固化剂的最佳合成工艺装置和脱水剂、催化剂。
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  原理和装置
     This paper introduced research background, testing principle and device performance of KZNJ-1 respirator Efficiency tester in detail. Experiment results showed that the performance parameters of the tester were all identical to or better than the requirements of national standards-GB 19083 and GB 2626.
     本文详细介绍了KZNJ-1型高效口罩效率检测装置的研制背景、检测原理和装置性能,实验研究结果表明:此检测装置的各项性能指标均达到国家标准GB 19083和GB 2626的要求。
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     This paper introduces laser cleaning principle and device of gold_plating thin film on optical substrate surface.
     介绍了光学基片表面镀金薄膜激光清洗的原理和装置
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     Here we report briefly the principle and device of our laser induced signle molecule detection spectrum instrument. We also report the experimental results on the instrument by using C445 dye,including the affection of sample velocity,energy characteristic,consistence linearity and detection limit. We discuss the effect of photon bleach on experimental results.
     在这里,本文简要介绍了基于激光诱发荧光方法的单分子探测谱仪的原理和装置,以及用C445染料分子在该探测谱仪上进行的若干实验研究结果,包括样品流速的影响、能量特性、浓度线性、检测限等方面,并讨论了光漂白现象对实验结果的影响。
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  “principle and device”译为未确定词的双语例句
     Principle and Device of Fe Removing form Steam Condensing Water
     蒸汽凝结水的除铁原理与设备
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     This paper presents the display principle and device structure of OLED with emphasis on the description of passive and active driving technique.
     基于有机发光二极管(OLED)的器件结构和发光机理的分析,讨论了OLED的无源和有源驱动技术,并对各自的特点进行分析比较。
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     This paper introduces thermodynamic performance testing principle and device of aircooler with room heat balance method.
     介绍了使用房间热平衡法进行冷风机热工性能试验的原理与装置。
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     This paper introduced the principle and device of the small - scale steady - stale (S4) test and examined the effects of temperature and wall thickness on the tracking resistance of the polyethylene (PE) pipe.
     介绍了小尺寸稳态实验(简称S4)的实验原理、实验装置、温度及管壁厚度等因素对止裂性能的影响。
短句来源
     This paper describes the new method for a. c loss measurement in superconductor-The principle and device of double integration method and the result of measuring three samples.
     本文描述了测量超导体的交流损耗的新方法——双积分方法的原理、装置和三个样品的测量结果。
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  principle and device
Principle and device for measuring the amount of heat in a superheated-steam pipe
      


According to the results of the working out of the 74-type outside diameter inspection machine and the 78-type inside diameter inspection machine of bearing rings, in this article , we' 11 put forward our opinioins about the measuring principles and devices, electric circuits, as well as the error analysis and the error determination in the design of the automatic inspection machine for the Ring-Type parts.we'll also make some discussion of ways to reduce the drift of zero and the dynamic errors in the...

According to the results of the working out of the 74-type outside diameter inspection machine and the 78-type inside diameter inspection machine of bearing rings, in this article , we' 11 put forward our opinioins about the measuring principles and devices, electric circuits, as well as the error analysis and the error determination in the design of the automatic inspection machine for the Ring-Type parts.we'll also make some discussion of ways to reduce the drift of zero and the dynamic errors in the design of the measuring devices and electric circuits,

随着生产的发展,近年来国内很多单位开始研制各种环类工件自动分选机,并取得了可喜成绩。本文结合74型轴承套圈外径分选机和78型轴承套圈内径分选机的研制,提出了对环类工件自动分选机设计中测量原理,测量装置,电路特点,误差分析以及分选机误差测定方法等有关问题的一些看法。讨论了设计测量装置和电路时减小分选机零位漂移和动态误差的一些方法。

This puper describes the principles and devices of vibration measurements by laserspeckle heterodyne method.Good heterodyne signals can be seen when using glass microspheres asscatterers.By using their strong backward scattering the vibrations in non-optical axis directionscan be measursd.This method can be used in the measuremenets in which the vibrating body cannot be loaded or in a long distance,

利用激光散斑进行外差振动测量,振动体表面用玻璃微珠作散射体。利用它们的强后向散射特性,还能测量非光轴方向的振动。这一方法可用于不能带负载的振动体的测量,以及某些振动体的远距离监测。

In this paper the basic principles and device design of GaAs FETs for oscillators are discussed. Ku-band GaAs FETs for oscillators have been developed with an output power of 60mW at 15GHz, and 40mW at 18GHz.

本文讨论GsAs FET振荡应用时的工作原理、设计考虑。Ku波段振荡用FET在15GHz下获得60mW输出功率,在18GHz下获得40mW输出功率。

 
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