磁性材料

We, the Magnetic Parts Research Institute under the Gansu Province Academy of Sciences, will depend on the high science and technology to develop with innovation confirmedly.

我们——甘肃省科学院磁性器件研究所将依托高科技坚定地走自主创新的道路；依托于稀土永磁材料应用和磁技术研究开发构建事业的平台。

It is found that with doping,thenumber of the iterant eg electrons decreases while the t2g electrons remain localized.

实验上发现随着掺杂，材料的磁性和金属性的出现几乎在同一区域，即x＞0.2左右。

In this thesis, a new kind of carrier magnetic chitosan microspheres with excellent characters was successfully prepared and was used in laccase immobilization.

本文制备了一种优良的载体材料磁性壳聚糖微球，将漆酶固定在微球上，研究了其固定条件及性能。

The laminate composites with magnetic and ferroelectric pieces show the high magnetoelectric coupling coefficients at the appropriate coupling model of applied field.

将磁性和铁电材料进行层状复合，选择合适的外场耦合模式，得到了高磁电耦合系数的复合材料。

The results of the simulation showed that the GMI ratio for a sandwich structured film sandwiching high conductive metal layer was several times lager than that for a monofilm, and the maximum impedance change ratio occurred at the frequency of about 10 MHz which was lower than that of single layer film.

模拟的结果表明，中间夹高导电性材料的F/M/F型三明治薄膜的巨磁阻抗效应比同样厚度的单层磁性薄膜的巨磁阻抗效应要大很多，而且三明治薄膜出现阻抗最大变化时的频率大概在10MHz左右，比单层薄膜要低得多。

The permanent magnets of single-phase exchange coupling Nd 〓N〓 and Nd 〓N〓 with ThMn〓 structure have been prepared by MM and MA process and the following treatments of crystallization、nitrogenation. By means of XRD、SEM、TEM、DTA/DSC and magnetic measurements, the variations of microstructure in each corresponding stage and the related magnetic properties have been studied systematically.

本文采用机械合金化和机械研磨法及随后的晶化、氮化处理分别制备了具有ThMn〓结构的Nd〓N〓单相耦合及Nd〓N〓纳米永磁材料，借助于X射线衍射、扫描电镜、电子探针、透射电镜、差热分析以及磁测量等分析技术系统地研究了上述工艺各阶段对应的组织结构的变化以及它们与磁性能的相互关系。

An advanced non-destructive measurement technique was applied for the first time in the research of two-phase transport of gas-water in coal seam. The home-made triaxial osmoscope which is made up of non-magnetic polycarbonate material and can change confining pressure, axial pressure and pore pressure, was placed into the magnetic cavity of NMRI instrument.

首次将先进的无损检测NMRI成像技术引入煤层中气水两相运移的研究领域，将自主设计研制的、可同时改变围压、轴压和孔隙压的、非磁性聚碳酸酯材料制成的三轴渗透仪置于NMRI成像仪磁体腔中，通过气驱水和水驱气NMRI试验实时观测了气水流动规律。

The magnetic properties of carbonyl iron particle s were characterized by VSM;the apparent viscosities and the magnetic field-induced shear stresses of the magnetorheological fluids above were investigated by an advanced rheometric expansion system;the properties of MR damper were tested by an electro-hydralic servocontrol testing system.

研究了一种新型MR液和MR阻尼器；用振动样品磁强计测试了MPS-MRF-25羰基铁粉的磁性能；用磁流变仪测试了MR液的表观粘度和磁致剪切应力；用静置沉降法分析了MR液的抗沉降稳定性；用电液伺服材料性能试验机测试了MR阻尼器的性能。

Keywords: Domain structure;Microstructure;Magnetic properties; Magnetizing and demagnetized mechanism; Nanocrystalline composite magnets

中文关键词：畴结构；显微结构；磁性能；磁化与反磁化；纳米复合永磁材料

The structure and configuration did not devastated while the hematite hollow particles were deoxidizing to iron hollow particles at 500℃ in hydrogen.

壳层厚度太厚、过快和过慢的升温速率都不利于得到空心结构；500℃氢气气氛还原不改变空心粒子的形貌；空心粒子的粒径取决于聚合物模板粒子的大小，壳层厚度取决于包裹层厚度；空心铁粒子的饱和磁化强度高达到95.26 emu/g，具有较好的抗氧化能力，其磁能积可增大到1.46×103 J/m3，有利于以磁损耗为主要吸波机制的铁磁性空心粒子在吸波材料领域的应用。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。