• 罗盘航向或罗盘航线。未修正磁偏转或磁变。

    Compass heading or compass course, before correction for magnetic deviation or magnetic variation.

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  • 水平分量磁变仪定向与定向检查是保证记录质量的一项重要工作。

    Directing of horizontal component magnetic variometer and directional checkout are important operation to guarantee quality of record.

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  • 本文分析了磁通门磁变仪探头三分量正交度误差对定向的影响并提出了减小其影响的措施。

    Effects on the right-angled error of the three-component Flux Gate Magnetometer exploring head to direction were analysed and some methods to reduce the effect were put foward in this paper.

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  • 计算机仿真结果表明,采用模糊变结构附加励磁控制方法可以提高鲁棒性、解决高频抖动问题,并能够很好地改善电力系统的小干扰稳定性。

    Computer simulation shows that the control of fuzzy variable structure can increase the robustness, solve the problem of shiver at high frequency, and improve the stability of small disturbance.

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  • 这一跳变只发生在铁磁金属态,表明这是一个磁性相关联的效应,可能对应一种新的磁性开关过程。

    This switching phenomenon occurs only in the ferromagnetic metal state and strongly suggesting a magnetic related effect.

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  • 用热退磁和交变场退磁方法对59个采点的619块样品做了磁清洗处理。

    We have carried out magnetic cleaning for 619 specimens from 59 sites by A. F and thermal demagnetization.

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  • 交变漏磁检测方法由于兼具涡流检测和传统漏磁检测的特点,对表面缺陷具有很高的识别率。

    Alternative magnetic leakage flux method was developed from the eddy current testing and traditional magnetic leakage flux testing, and it was advantageous for surface flaw recognition.

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  • 采用变磁阻法改变初级线圈的磁通,在次级绕组上得到相应的感应电势。

    The induced electromotive force at the secondary coil can be got by changing the flux of the primary coil.

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  • 当振管垂直立于磁场环境中时,在交变磁场的作用下产生磁致伸缩,即沿振管的轴向作简谐振动。

    Vibration tube in the magnetic field vertically brings about magnetostriction under the effect of alternate magnetic field, that is axis resonance.

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  • 根据变结构控制理论设计了励磁系统控制器。

    Apply the theory of variable structure system to design an excitation controller.

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  • 铁磁材料在交变磁场的作用下,产生的巴克·豪森效应,可作为无损检测材料残余应力的一种新方法。

    Barkhausen effect is produced by ferromagnetic material under varying magnetic field, it can be used as a new method for nondestructive testing of residual stress.

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  • 探讨了发变组保护与发电机励磁系统的一些相关问题,提出了这两个系统协调工作的方法。

    This article discussed some relative problems between the generator-transformer protection and the excitation system, and provided the coordination methods of the tow system.

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  • 采用计算机仿真的办法,研究和解析了变参数PID调节规律在微机励磁调节器上的应用。

    The regulating rule for parametric variable PID which is successfully applied to the computer excitative regulator is studied and analyzed by means of computer emulation.

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  • 本文采用双逆变技术研制了一种新型的焊接磁搅拌装置。

    A new welding electromagnetic stirring device was developed with the dual inverter technique in this paper.

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  • 介绍了峨口铁矿使用变径型磁团聚重力选矿机的情况。

    The application of diameter-varied magnetic agglomeration gravity separator in Ekou Iron Mine is described.

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  • 介绍基于A3515霍尔元件的交变漏磁检测系统的设计,包括检测系统的组成和测试方法。

    The alternative magnetic flux leakage testing system based on A3515 Hall element was introduced, including its composition and operation.

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  • 根据材料的发热机理和生热条件的不同,经常利用的生热条件是吸收微波生热和在交变磁场作用下的磁致生热。

    On the basis of different generating heat mechanisms and conditions, absorbing microwave and alternating magnetic field are used to generate heat effect.

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  • 以模糊变结构控制理论为基础,把汽门控制、制动电阻控制及附加励磁控制很好地协调起来。

    The turbo generator controller be based on the theory of variable structure control and the theory of fuzzy control.

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  • 应用神经网络识别变励磁电压判据的动作区,提出应用神经网络的发电机低励失磁保护方案。

    Then the author uses a three-layer ANN to distinguish excitation-loss fault, and brings forward a scheme of excitation-loss protection using ANN for generator.

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  • 大部分粗粒金主要赋存在网格状石英细脉和角砾状围岩中的黄铁矿、磁黄铁矿、毒砂和少量贱金属硫化物中和以分散状分布在蚀变围岩中。

    Mainly coarse grained gold, along with pyrite, pyrrhotite, arsenopyrite, and minor base metal sulfides, occur in networks of quartz veinlets, brecciated wallrock, and disseminated in altered wallrock.

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  • 目的研究了利用主动变阻尼控制系统优化方法设计磁流变智能阻尼隔振平台结构,为实际工程利用磁流变阻尼器为结构减振设计提供方法。

    A design procedure for MR smart damping isolation scheme for a platform structure is presented, and a design method for practical engineering using MR damper is given.

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  • 炉底的磁圈能使菜锅变温,烹出令人垂涎欲滴的美味佳肴。而炉顶是凉的,可以安全触碰。

    Magnetic coils underneath the stove-top keep the pan hot enough to fry a mouth-watering meal while the top of the stove remains cold and safe to touch.

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  • 在时域中,磁源近区瞬变场的时间特性取决于场源所含低频谱的分数幂。

    In time domain on the near zone of vertical magnetic source, the transient field form is decided by fractional power of the angular frequencies for field source.

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  • 结果表明,该交变漏磁法对钢管表面较小裂纹具有较高的检出率。

    The result shows that there is high rate of recognition about the little defect on the thin steel pipe by alternative current magnetic leakage flux method.

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  • 依据分立铁耗计算模型,利用时步有限元法计算,提出了磁密波形法和磁密轨迹法两种只采用交变损耗计算系数进行电机铁耗计算的方法。

    Through time stepped finite element analysis, some methods for approximate core loss calculation considering only the alternating magnetic filed were proposed in this paper.

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  • 特别介绍了利用固态致冷剂的磁致变温效应的新技术。

    Magnetic refrigeration is a new technology that makes use of the magnetocaloric effect of solid-state refrigerants.

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  • 本文提出一种非线性变结构励磁控制器。

    A nonlinear variable structure controller is proposed in this paper.

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  • 介绍了一种主电路采用MOSFET和铁氧体磁芯构成单端正激的逆变式多功能焊机;

    The inverter versatile arc welding machine is introduced. The structure of the main circuit is made up of MOSFET and ferrite magnetic core.

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  • 日常生活中,只要稍为注意,就可以避开磁场对手表的危害,大可不必谈磁色变。

    In daily life, as long as a little attention, you can avoid the harm of magnetic watch, no need to talk about magnetic color.

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  • 本文的理论探讨表明,使用磁致变温空调的能耗成本要低于传统的空调。

    The theoretical study shows that the energy costs of magnetocaloric material lay well below the total manufactured costs for vapor compression based air conditioners.

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