• For example earthquake inspection station magnetic variation curve record and so on.

    例如地震监测站地磁变化曲线记录

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

    罗盘航向罗盘航线修正偏转或磁

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  • Two-dimensional model by magnetotelluric data has been obtained and compared with the results by magnetic variation analysis.

    这一结果大地电磁资料计算得到的二维模型剖面是一致的。

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  • The problems to be solved in transplanting the automatic modification program of magnetic variation and the methods for solving them are discussed.

    作者指出实现磁偏角自动修正程序移植要解决问题以及解决一问题的途径

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  • The regular variation of crystallization temperature, magnetic ordering temperature and average hyperfine magnetic field of the amorphous alloys with Nb content were observed.

    观察到合金温度有序温度平均超精细规律性变化

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  • The crust magnetic field, or lithospheric magnetic field, can be deduced by subtracting the main field, variation field and its induced counterpart from the total field.

    全球磁场减去地核磁场和变化磁场及其感应磁场后,得到岩石圈磁场,又称地壳磁场,地磁异常。

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  • The results show that the non-linearity is mainly attributed to a thermal fluctuation magnetic after effect and a numerical variation of the magnetic domain with frequency.

    结果表明非线性主要来源于起伏后效为了降低微涡流损耗而引起数随频率的变化

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  • In order to make sure the magnetic field distribution around the magneto optical trap cold atoms, the weak variation and distribution around the zero point magnet field can be analyzed.

    为了研究原子团所在区域磁场大小,从而得出磁场零点附近磁场微弱变化及其分布

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  • It is pointed out that a large variation in the equilibrium configuration may take place only when the small magnetic perturbations couple with the plasma modes which are almost neutally stable.

    指出只有附加磁场等离子体接近稳定边界的耦合时,才可能引起平衡很大变化

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  • Based on geological, gravity and magnetic, seismic, logging, physical properties of rocks and testing data, the spatial variation pattern of density in Dongying sag is established.

    本文地质地震测井岩石分析测试资料为基础,首次建立了东营凹陷密度空间变化模式

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  • The selection of base value is critical to the geomagnetic diurnal variation correction in Marine magnetic survey.

    地磁选取海洋磁力测量地磁日变改正重要内容

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  • The common principle is the use of the induction of an electromotive force by the variation of the magnetic flux through a coil.

    一般原理使用通过线圈磁通量变化感应电动势

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  • We have also calculated the mean daily variation of K index of 31 stations of high latitude during the relative magnetic quiet period of year 1957 and 1958.

    同时我们统计了1957与1958年高纬度区31个地磁台平静每天平均日变化

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  • This paper report the corresponding variation between the apparent density of magnetic fluid and its applied magnetic field.

    研究磁流体表观密度外磁场变化规律

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  • The variation of rotor magnetic potential has been analyzed detailed when the different places of rotor winding happened the different deep inter turn short circuit fault.

    转子绕组不同位置发生不同程度匝间短路故障,转子变化情况进行详细的推导。

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  • The results show that the non-linearity is mainly attributed to a thermal fluctuation magnetic after effect and a numerical variation of the magnetic

    结果表明非线性主要来源于起伏后效为了降低微涡流损耗而引起磁畴数随频率的变化

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  • A matrix perturbation method for the calculation of errors in precision electro-magnetic measuring circuits caused by small variation of circuit parameters is described in this paper.

    本文提出用矩阵计算精密电磁测量线路参数发生微小变化引起误差

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  • Over the past few decades, the magnetic field has weakened rapidly enough to flip within a few thousand years, but this could also be part of a more limited variation.

    过去几十年里,磁场极速减弱,导致逆转会几千年内发生,可能只是前奏的一小部分

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  • The results show that the distribution of magnetic field differs according to the variation of case-depths and the calculation results well agree with the experimental ones.

    结果表明渗碳层深度不同时磁场分布不同,两者之间有较好的对应关系,计算结果实验结果相吻合

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  • A large number of documents indicate that magnetic acoustic emission (MAE) is very sensitive to stress in materials, thus the latter could be discovered by the intensity variation of the former.

    诸多资料表明MAE强度材料内的应力十分敏感通过测量MAE强度变化,就可以探知材料中的应力状态。

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  • The influences of the electronic induction drag on the variation of the orbital elements of a charged satellite moving in a magnetic-field-free ionosphere are studied.

    研究高空电离层运动带电荷卫星受电感应阻力轨道根数产生的摄动影响

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  • The variation of the texture and magnetic properties of non-oriented silicon steel after being cold-rolled and annealed is studied.

    冷轧退火取向硅钢构及磁性变化进行研究。

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  • Under the action of variation magnetic field, the permanent magnet moving-coil drives the plunger pump to move up and down and lift oil up to ground.

    通过动力电缆给井下直线电机供电后产生交变磁场磁体子在交变磁场作用带动塞上下往复运动,从而达到举升抽油的目的。

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  • Under the action of variation magnetic field, the permanent magnet moving-coil drives the plunger pump to move up and down and lift oil up to ground.

    通过动力电缆给井下直线电机供电后产生交变磁场磁体子在交变磁场作用带动塞上下往复运动,从而达到举升抽油的目的。

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