磁导率

The appropriate coil structure parameters were presented,and an optimized design scheme was proposed in which pure iron with high magnetic permeability was attached to both ends of the giant m...

给出了合理的线圈结构参数，提出了在超磁致伸缩材料棒两端安装高磁导率的软磁体和减少GMM棒涡流损耗的设计方案，并忽略了气隙的影响。

The magnetic permeability of the stick-like CoFe2O4 is about once and the anisotropy constant is about 5 times larger than those grain-like one in a frequency range of 15~20 GHz.

经测试电磁学性质发现，与粒状的CoFe2O4相比，棒状的CoFe2O4磁导率虚部在高频15~20GHz范围增加了近1倍，各向异性常数Ku则增加了近5倍。

Considering the saltation of magnetic permeability of the ferromagnetic material when its temperature is more than the Curie point, the general solution of Maxwell equation is deduced.

考虑到铁磁性物质在温度跨越Curie点时磁导率的突变，推导了适用于该情况的Maxwell方程一般解。

The static electric screen in the inner side of conductor with high conductivity and the static magnetic screen in the inner side of ferromagnetic medium with high magnetic conductivity are very similar in appearance, yet they are dramatically different in mature.

高电导率导体空腔的静电屏蔽与高磁导率的铁磁介质空腔的静磁"屏蔽"具有相似的外在表现，但有本质的区别。

Experiment research shows that larger magnetostriction coefficient and permeability as large as 178 are obtained in this experiment.

实验发现，Fe83Ga17合金具有较大的磁致伸缩系数和较高的磁导率。

The experimental results of temperature dependence of initial permeability and the change in magnetostriction coeffic.

由退火后试样的初始磁导率与温度的关系及磁致伸缩系数的变化结果表明，当有极少量的-αFe晶体相析出时，可明显改善合金的动态磁性能；当-αFe晶体相进一步析出时，可使合金呈现良好的恒导磁特性。

By investigate the deviation between the tensor and unit matrix and the effects on the devices, the relationship between the non-reciprocity and structure can be obtained.

通过考察磁导率张量与单位矩阵的差别及其对器件性能的影响，可以研究器件的非互易性能和结构之间的关系。

In practice, the ferrite devices work in the frequency range which is far away from the ferromagnetic resonance and the permeability tensor is close to a unit matrix.

由于实际中铁氧体器件工作远离铁磁共振频率，磁导率矩阵接近于单位阵，可以将铁氧体材料的引入看作是一种微扰。

The functional relation between incident angle and refractive angle of energy flow is obtained. According to this relation, we can restructure the refractive angle as negative or positive readily by selecting suitable permittivity and permeability tensors.

导出了电磁波的入射角和能流折射角之间的函数关系，根据此关系可方便地选择合适的介电张量和磁导率张量，使特定入射角所对应的折射是正或是负。

It was found that the pemeability of the dust core was almost a constant in the frequency range from 1KHz to 100KHz,and the quality factor Q of dust core increased with increasing frequency.It was also found that Q became higher at the frequency over 50KHz in comparison with that of permalloy in higher frequency.

结果表明，在测量的频率范围内(1KHz-100KHz)，该粉芯的磁导率几乎不随频率变化而变化；粉芯的品质因数Q随频率的增加而增加，在较高频率时有着比坡莫合金粉芯还要高的值，具有应用价值。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。