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This paper focuses on mathematical model of vibrations of ferromagnetic materials under magnetisation.

探讨如何建立描述正弦电磁场中铁磁材料振动的数学模型。

It is very important in practice to study the susceptibility spectrum of the system consisting of the ferromagnetic particles with single domain .

单畴铁磁颗粒体系的磁谱的研究具有很重要的应用意义。

The magnetic memory effect of ferromagnetic items under the condition of static tension was studied.

研究了静拉伸试验时铁磁构件的金属磁记忆效应。

Ferromagnetic dielectric material from the analysis of the characteristics of the commonly used starting materials of iron magnetic media.

从分析铁磁性介质材料的特性，分析目前常用的铁磁性介质材料入手。

The permittivities of the composites decreased with increase of frequency or ferromagnetic YIG content.

复合材料的介电损耗峰随频率的增加向温度高的方向移动。

The experimental results were discussed in terms of magnetic coupling between the neighboring grains in the ferromagnetic grain systems.

最后运用铁磁颗粒系统中颗粒之间的磁藕合关系对实验结果进行了讨论。

Microstructure and phase transformation behavior of Ni53Mn21Fe1Ga25 ferromagnetic shape memory alloy was investigated .

主要研究了少量掺铁对NiMnGa铁磁性形状记忆合金的相变行为和显微组织的影响。

The main contents of this dissertation are as follows:(1) According to involved theories of ferromagnetics, the microscopic mechanism of domain structure is analyzed systematically; through the movement variation of domain structure, that is the movement of domain wall and rotation of magnetic moment, the magnetization process is illustrated in an applied magnetic field. Meanwhile, by the use of energy methods, a study is performed on influencing factors of domain movement including stress, dope, scattering field, etc. The influence of various energies is dealt with on the magnetic behavior and parameters of ferromagnetic material; the corresponding theories of the spontaneous magnetization and technical magnetization are also discussed.

本文以此为研究背景，通过理论分析和模型试验，系统地研究了钢结构全磁通应力无损检测技术的基本理论和应用方法，主要研究工作如下：(1)根据铁磁学的相关理论，分析了铁磁材料磁畴结构产生的微观机理，并通过对磁畴结构运动变化规律，即磁畴壁移动和磁矩转动规律的研究，分析了外磁场作用下铁磁材料的磁化过程与一般规律，同时采用能量分析方法，研究了影响铁磁材料磁畴运动的主要因素，包括应力、掺杂和弥散磁场等，探讨了各种能量对铁磁材料磁行为和磁参量的影响，研究了相应的自发磁化理论和技术磁化理论等。

After annealing at 225℃for 60 minutes,Mn_5Si_(95) thin films without any ferromagnetic phase show ferromagnetism at thetemperature of 10K.

s的Si生长速率，150℃或200℃的衬底温度时，可以得到表面平整的样品。

In 1956, Meiklejohn and Bean observed that field cooled, partially oxidized, Co particles exhibited hysteresis loops displaced along the magnetic field axis.They attributed this phenomenon to the exchange interaction at the interface between the ferromagnetic Co core and the antiferromagnetic CoO shell.

Meiklejohnc 和 Bean 在 1956 年从成长良好的单晶钴与其表面氧化层的微小颗粒，在强磁场下冷却，观察到磁滞曲线不以磁场零点对称，他们将此现象归因於在内部的 Co核与外部的 CoO 壳之界面产生交互影响。

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。