The circular magnetic permeability and demagnetization energy were calculated.
计算了环向磁导率和退磁能。
The electromagnetic loss property was studied by the relative dielectric constant and relative magnetic permeability of the ferrites.
并测试样品的相对介电常数和相对磁导率，研究了它们的电磁损耗特性。
In this paper, a new method for measuring the microstructure of malleable iron by employing the magnetic permeability is put forward.
提出利用材料的磁导率检测可锻铸铁金相组织及硬度的新方法。
The refractive index of a substance is determined by two properties known as the electrical permittivity and the magnetic permeability.
物质的折射率由两项性质决定，分别是介电常数和磁导率。
The electromagnetic loss property was studied by the relative dielectric constant and relative magnetic permeability of the above three ferrites.
经测试样品的相对介电常数和相对磁导率后，研究了它们的电磁损耗特性。
Based on the classical electromagnetic theory of Maxwell, the expression of the relative dielectric constant and relative magnetic permeability is deduced also;
同时从经典麦克斯韦电磁场理论出发，推导出复相对介电系数和复相对导磁率的表达式；
The three methods are as follows: using magnetic permeability under coordinate's transition to get the components of magnetic field in the quasi-static approximation;
三种方法分别为：利用坐标变换后的磁导率，在准静态近似下求得磁场分量；
The optical recursive formula for stratified medium system becomes more general with the contribution of relative magnetic permeability to the complex refractive index.
文中考虑了材料的相对导磁系数对材料复数折射率的贡献，使分层介质系统的光学迭代法更具普遍性；
With the calculation and measuring experiment methods, the effect of vacuum chamber materials magnetic permeability on field distribution in a dipole magnet is discussed.
通过计算机模拟计算与实验相结合，讨论了真空盒磁导率对二极磁铁磁场分布的影响。
Before regular use of electro-magnet of the magnetic material Alnico, aluminum nickel and cobalt is very low coercivity, high magnetic permeability, however, it is easy to demagnetization.
以前电磁铁的磁性材料常使用的铝镍钴，铝镍钴的矫顽力很低，渗磁高，但是，很容易退磁。
On this basis, as the permeability of permanent magnetism material is non-linear, two gear wheel's magnetic field is simulated with finite element software, and analysis of the result is carried on.
在此基础上采用有限元分析软件对永磁材料的磁导率为非线性时的一对永磁齿轮传动磁场进行了仿真分析，并对结果进行了分析总结。
A measuring method for pulse permeability was briefly introduced in this paper. Pulse permeability of some magnetic materials was measured under different conditions, and the results were given.
本文简要介绍了脉冲磁导率测量方法。在不同条件下测量了某些材料的脉冲磁导率，并给出了测量结果。
Flaky morphology of magnetic alloy particle material can raise its natural resonance frequency because of strong shape anisotropy, which is advantageous to acquiring high microwave permeability.
薄片形状的磁性合金颗粒材料由于强形状各向异性可使其自然共振频率大大提高，有利于获得微波高磁导率磁性合金。
The other is to restrain the reflecting field by selecting a suitable radius as filling with the double-deck magnetic substances, which have great differences in permeability.
当天线器内部为双层磁性介质，且二者磁导率有显著差异时，选择合适的半径可抑制反射场。
Flaky morphology of magnetic metal particle material can raise its natural resonance frequency because of strong shape anisotropy, which is advantageous to acquiring high microwave permeability .
薄片形状的磁性金属颗粒材料由于强形状各向异性可使其自然共振频率大大提高，有利于获得微波高磁导率磁性。
The common methods of drilling rods testing include magnetic particle inspection, permeability testing, radial testing and ultrasonic testing, but these methods all have considerable deficiencies.
检测钻具缺陷的常用方法有磁粉探伤、渗透检测、射线检测、超声波检测，都存在不足。
The resistivity, soft magnetic properties and microwave permeability of multilayer nanogranular films suitable for high frequency applications have been investigated in this work.
研究了应用于微波频段的多层纳米颗粒膜的电阻率、软磁特性和微波磁导率。
The absorbent was analysed by SEM and XRD and the magnetic alloy powder-paraffin sample was made a complex permeability measurement in the radar frequency.
对吸收剂进行SEM与XRD分析，并对磁性合金粉体-石蜡样品进行雷达频带复磁导率的测试。
The effect of magnetic treatment of water on the permeability of mill tailings is studied.
本文研究了载体的磁处理对充填体脱水性能的影响。
Comparison of various permeability equations in conventional logging and nuclear magnetic resonance logging indicates that there is an inter relationship among these equations.
对常规测井和核磁共振测井的渗透率公式进行了比较，发现各渗透率公式存在相互联系。
Research results showed as follows: magnetic energy can make the soil specific surface reduce, permeability coefficient and fast netrogen of soil increase;
研究结果表明，在磁场作用下，土壤比表面减小，渗透系数增加；
Relative volume percentage of movable fluid of more than one hundred of super-low permeability core samples is tested by using nuclear magnetic resonance technique.
利用核磁共振无损检测技术对一百余块低渗、特低渗透岩样进行了可动流体相对体积的实验测试。
It is shown that radomes have the most optimized transmission performances if the relative permittivity of organic magnetic material equals to the relative permeability.
数值结果表明，相对介电常数和相对磁导率相等的磁性天线罩具有最佳的电磁传输特性。
It is shown that the slab has the most optimized transmission performances if the relative permittivity of organic magnetic material equals to the relative permeability.
数值结果表明，相对介电常数和相对磁导率相等的磁性平板具有最佳的电磁传输特性。
The axial magnetic force increases with the increment of magnetic annular axial length and decreases with the increment of axial gap, radial off-centre or magnetic annular relative permeability.
轴向磁力增加与增量磁性环形轴向长度和与轴向间隙，径向偏离中心或磁性环形的相对磁导率的增量减少。
It also showed that the complex dielectric constant and complex permeability decrease as the measuring frequency increasing, and maximum dielectric loss was 0.30, but magnetic loss is small.
其介电常数、磁导率基本都随测试频率的增加而下降；介电损耗值最大可达到0.30，磁损耗值较小。
Increasing the granularity of magnetic powder and shaping pressure can increase the permeability of magnetic powder core.
随着磁粉粒度及成型压力的增大，磁粉芯的磁导率增大。
This paper introduced a method for measuring pulsed permeability in magnetic amorphous ribbons under pulsed field.
本文介绍了非晶材料脉冲磁导率测量方法。
This paper introduced a method for measuring pulsed permeability in magnetic amorphous ribbons under pulsed field.
本文介绍了非晶材料脉冲磁导率测量方法。
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