磁性

Methods: The needle-like magnetic material made of nickel-copper alloy which has low cuir e temperature,was implanted in S180 tumors of mice.Then high frequency el ectrom agnetic field was applied outside body to make the magnetic material produce the hyperthermia.

将镍铜合金制作的居里点温度为60 ℃的柱状磁性材料植入小鼠S180 内，从体外用高频电磁场诱导植入瘤体内的磁性材料感应产热，观察瘤体的温度变化和加热后的病理改变、瘤体大小及动物生存时间等。

The extrinsically electromagnetic loss of 3-dimentional structures was proved by the comparative measurement of parameters between 3DRCs and their same composition disks and exhibited high-temperature and wide frequency characteristics, which was found closely related to their nature materials. The extrinsically loss was higher in magnetic 3DRCs than that of nonmagnetic ones.

通过与同质陶瓷压片的电磁参数对比，证实了三维连通网络结构存在非本征电磁损耗，且这种非本征电磁损耗具有耐高温和宽频带特性，损耗的大小与网络骨架的材质有关，磁性网络陶瓷的非本征电磁损耗比非磁性的大。

Compared with that of magnetic Fe3O4 liquid, the magnetization saturation of the ferrum magnetic liquid is increased bymore than 21%.

复合磁性液体的饱和磁化强度比Fe3O4磁性液体的饱和磁化强度提高21%以上。

Compared with that of magnetic Fe3O4 liquid, the magnetization saturation of the ferrum magnetic liquid is increased by more than 21%.

复合磁性液体的饱和磁化强度比Fe3O4磁性液体的饱和磁化强度提高21%以上。

Interpretation of the magnetic parameters suggests roughly constant proportions of haematite and magnetite with a predominance of ferrimagnetic grains in superparamagnetic and multidomain + pseudo singledomain grain sizes.

各监测点磁性参数的测试结果表明，高矫顽力的&赤铁矿&和低矫顽力的&磁铁矿&的含量之比大致变化不大，在这些气溶胶中，在超顺磁、多畴和伪单畴的矿物晶体颗粒中，以亚铁磁性矿物占优。

In the dehydrogenation process of HD process, the temperature set at 580℃ and pressure set at 100Pa is a perfect parameter, it can make the magnet to have high magnetic performance. In the HDDR process experiment, the paper contrast four HDDR process such as C-HDDR V-HDDR V-HD-S-DR and d-HDDR by the anisotropy and magnetic performance of ternary NdFeB magnetic material. The results show that adjusting the parameter of the d-HDDR process can make the anisotropy and magnetic performance of ternary NdFeB magnetic powders to catch up with the hexahydric NdFeBCoZrGa magnetic powders. At the end the paper discusses the betterment of the equipment which produces ternary NdFeB magnetic with the d-HDDR process.

和580℃的脱氢温度相搭配的脱氢气压选择在100Pa左右是理想的工艺参数，这样的搭配使得最终烧结磁体综合磁性能优异；在HDDR制粉工艺实验中，本文对比了C-HDDR、V-HDDR、V-HD-S-DR和d-HDDR四种HDDR工艺对于三元NdFeB合金各向异性和磁性能的影响，得出结论：通过发展d-HDDR工艺，调整工艺参数和控制水平，可以使三元NdFeB合金磁粉的性能达到或接近六元NdFeBCoZrGa合金磁粉的水平，在文章末尾，还对配合使用d-HDDR工艺设备的改造进行了分析。

The development of magnetic materials was extremely rapid during the 1990's,when magnetic alloys of the rare earth-3d iron group,such as rare earth permanent magnets,giant magnetostriction materials,giant magnetocaloric materials,magnetooptic materials,magnetic amorphous materials,and nanocrystalline magnetic materials,appeared one by one.

稀土-3d过渡族磁性合金材料，如稀土永磁、巨磁致收缩材料、巨磁热效应材料，磁光效应材料等，以及非晶，纳米微晶磁性材料相继问世。1988年巨磁电阻效应的发现已获广泛应用，如读出磁头、传感器以及磁随机存储器等，并发展成为自旋电子学的新学科。

In the last ten years,extensive study has been made on the structure,basicmagnetism,interlayer couplingand its relative effect,for example,giantmagnetoresistanceand magnetooptical effectin magnetic thin films.

近十年来，人们对磁性薄膜的结构、基本磁性、层间耦合及其相关效应，如巨磁电阻及磁光效应等，开展了广泛而深入的研究。

In this thesis several magnetic multilayers(Co/Pb,Fe/Si,and NiCo/Cu)were prepared by rf sputtering,the structure and magneticproperties were studied by using x-ray diffraction,vibrating samplemagnetometer,torquemeter,ferromagnetic resonance,magnetoresistanceand magnetooptical Kerr effect.

本文对用磁控射频溅射方法制备的Co/Pb，Fe/Si，NiCo/Cu等三个系列的磁性多层膜样品的结构和磁性，层间耦合与磁光效应的关联进行了系统的研究。研究中使用了X射线衍射仪，振动样品磁强计，转矩仪，铁磁共振，磁电阻和磁光等测量与实验方法。

Then the nitrogenation conditions from acicular γ-Fe〓O〓 to single phased γ＇-Fe〓N and the key parameters affecting γ＇-Fe〓N formation are investigated.

第一次获得由针状γ-Fe〓O〓得到单相γ＇-Fe〓N的氮化条件，阐述了影响γ＇-Fe〓N生成的关键工艺参数；并用磁性测量研究了产物的磁性。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。