导磁率

对磁场的屏蔽，采用高导磁率的坡莫合金材料，其屏蔽反射损耗R理想；

For the shielding of the electric field f interference , used the metal Cu or the material Al which has high conductance and ideal shielding echo wastage R.

讨论了粉末表面的光滑度对包覆效果的影响以及磁粉芯的品质因数Q和导磁率μ及绝缘介质含量之间的关系。

The influence of the slippery of powder on the coating effect and the relations between the insulation medium concentration and the quality factor Q as well as the permeability of cores were investigated .

本文将细铁粉视为球形、找出了粉末铁心有效导磁率μw与导磁物质的导磁率μ以及充填率p的关系。

In the paper , we consider the fine iron powder to be sphe - rical . The relation among the effective permeability μ _W of the powder , permeability μ of magnetic conductance substance and filling rate p , has been found out .

计算结果表明，在不同频率和模式的激励下，加入平滑电导率和导磁率附加项后，与标准PML方法相比，MPML方法的相对误差降低8~10dB。

Under the excitations of various modes with different frequencies , the relative errors obtained using the M PML method are 8 ~ 10 dB lower than those obtained by the conventional PML method .

铁氧体环的导磁率及其品质因数的测量

Measurement of permeability and Q - factor of ferrite toroids

铁氧体吸收材料复导磁率的测量

The Measurement of Complex Permeability of the Ferrite Absorber

电沉积纳米镍及镍钴合金的结构与性能研究铁耗少的恒导磁率铁镍钴合金

Study on the Microstructures and Properties of Electrodeposited Nanocrystalline Ni and Ni-Co Alloy

非互易媒质的本征导磁率和本征波

The eigen permeability and eigen wave in unreciprocal medium

用两次反射法同时测量微波频率下的复介电常数和导磁率

Measuring the Complex Permittivity and Permeability simultaneously under Microwave Frequencies with twi-Reflection Technique

本文分析了森林的高频有效导磁率和有效介电常数。

The effective constitutive parameters of forests at high frequency range is analyzed .

高镍磁粉芯导磁率温度系数（α）影响因素的研究

Investigation of factors influencing permeability temperature coefficient (α) of magnetic powder core containing high nickel

铁耗少的恒导磁率铁镍钴合金新型的高起始磁导率低矫顽力低铁损铁基非晶态合金

New Fe-Based Amorphous Alloys with High Initial Permeability , Low Coercivity and Low Core Loss

含负磁导率或双负材料的一维光子晶体的全方位带隙中波的反射相位特性导磁率－频率变换器绝对磁导率；绝对磁导率；绝对渗透率；绝对渗透率

Reflection Phase Properties in the Omni-directional Gap of One-dimensional Photonic Crystals with Mu-negative or Double-negative Materials

在换能器的激励线圈外面，加上高导磁率闭合圆桶，有利于换能器耦合系数的提高；

It is propitious to enhance coupling factor by mounting a high permeability closed barrel outside of the exciting turn .

介质常数为50～250，导磁率为50～100以上，适用于低成本的埋入微型无源元件。

Dielectric constant is 50 ~ 250 . Permeability is 50 ~ 1100.It is suitable to burying miniaturization passive component in low cost .

在分析中计入了顺磁物质导磁率的电抗分量对增益带宽的影响。

The influence of the reactive component of the paramagnetic resonance on the gain-bandwidth product has been taken into account in the analysis .

作者根据由强扰动理论推出的颗粒混合媒质等效介电常数和等效导磁率的计算公式，讨论了吸收剂粒子外形对吸波材料电磁特性的影响。

Based on the formulas of effective permittivity and permeability of granular media derived from the strong fluctuation theory , the influence of the shapes of wave-absorbing particles was discussed .

当使用电感式或电涡流式传感器时，由轴的旋转表面导电率和导磁率不均匀产生的噪声可能比位移信号大一个数量级；

The " noise " introduced due to inhomogeneity of magnetic and electric conductances at the rotating shaft surface when inductive and eddy current tranducers are used might be in a higher order comparing with the displacement signals ;

由于磁流体具有较大的导磁率，可提高力矩马达磁路效率、增大力矩马达的输出力矩和位移，从而增加伺服阀的输出流量；

By using the larger magnetic permeability , magnetic fluid was used to improve the magnetic circuit efficiency in torque motor , enlarge the output torque and displacement of torque motor , and the output flow of servo valve .

通过计算，讨论了介质的导磁率（）、介电常数（）、电导率（σ）、介质厚度（d），多层介质的参数组合以及各层的排列次序对微波反射率的影响。

The effects of magnetic permeability ), dielectric constant ), electrical conductivity (σ) and thickness ( d ) of composite , parameter combination and layer arrangement order of multilayer film on the microwave reflectivity have been discussed through the calculation of reflectivity .