磁化

We have prepared a series of low saturation magnetization Ti-substituted Li ferrites used in S-band phase shifters.

采用常规的氧化物法制备了用于S波段移相器的低饱和磁化强度锂铁氧体材料。

Our data show that hematite and goethite are the minerals responsible for the red color of the red beds.

漫反射光谱、磁化率和活性铁数据表明，赤铁矿、针铁矿的出现是导致样品由白色向红色转变的矿物学原因。

A magnetization treatment was proposed firstly to improve the electrochemical prop- erties of hydrogen storage electrode alloy in this paper.

提出一种用以改善AB5型贮氢电极合金的综合电化学性能的新方法，即采用一定强度的外加磁场对电极进行磁化处理，以期提高电极合金的综合电化学性能。

The concept of closer interchain coupling with an increase of y is used to illustrate the cause of abrupt changes and the transformation of main elemen...

用链间耦合随掺杂浓度增强的概念，说明了出现上述两个突变的原因和主要元激发的转变，解释了磁化率随掺杂浓度变化的实验规律，讨论了三个区域的导电模型和电导率随温度的变化关系。

In this paper, a total of 56 relatively nonpoint source pollution sediment samples were collected from the tidal flats of the Jiuduansha shoal and the Chongming island of the Yangtze river estuary. The main properties i. e., grain size distribution, contents of DCB (dithionite citrate bicarbonate extracted iron Fe(subscript d, AAO extracted iron Fe(subscript o, total Fe, DCB extracted Mn Mn(subscript d, total Mn, organic matter, magnetic susceptibility of the samples, as well as the concentrations of Cu, Zn, Pb, Cr, Cd and Ni in the samples, were determined. Basing on the data, the relation of the sediment properties to heavy metal concentrations was evaluated with pearson's rank and partial rank correlation analysis.

采集长江口无明显点源污染的崇明东滩和九段沙潮滩56个沉积物样品，测定沉积物原样和粘粒中Cu，Zn，Pb，Cr，Cd和Ni的含量以及沉积物的主要性状（粒径分布、游离铁、活性铁、总铁、游离锰、总锰、有机碳和磁化率等），以相关分析和偏相关分析研究沉积物中重金属含量与沉积物主要性质之间的关系。

The iron hydroxide particles prepared above were coated with cobalt by surface adsorption-precipitation reaction. The low pH and Co〓 concentration of suspended system can prevent the nanoparticle from heterocoagulation. The saturation magnetization of MP particles with uniform cobalt hydroxide layer is 10％ higher than that of the α-Fe. And a close SiO〓 layer can improve the coercivity by about 92％.

铁黄粒子表面吸附-反应沉积钴过程中较低的pH值和浓度有利于形成均匀的钴氢氧化物包覆层，可避免形成异相凝聚现象，使比饱和磁化强度提高10％；表面包覆二氧化硅形成致密的薄膜，使矫顽力提高92％。

Representative susceptibility-temperature curves show 200~350℃ Curie temperature in addition to 580℃ of magnetite which reveals the existence of iron sulphide.

代表性沉积物样品的磁化率－温度曲线除了存在580℃磁铁矿的居里温度之外，还显示200～350℃的居里温度，指示样品中存在铁硫化物。

As nanocrystalline permanent magnets are quite different from traditional permanent magnets, the effect of intergrain exchange coupling on magnetic viscosity has been investigated in nanocrystalline rare-earth permanent magnets.

纳米晶永磁不同于传统的永磁材料，本项目研究了纳米稀土永磁中晶间交换耦合作用对磁粘滞的影响以及材料的反磁化机制与磁粘滞性的内在关系。

In the range of this temperature, the coercive mechanism of NdDyFeB and NdDyFeBSn have been analysed with Gaunt's model on the basis of magnetic viscosity parameters. The coercivity of the former is controlled by weak pinning of domain wall, but the latter is determined by strong pinning.

根据磁后效测量数据，进一步用Gaunt的钉扎模型分析NdDyFeB及NdDyFeBSn合金在150℃以上的矫顽力机制，发现此时，前者的反磁化过程由畴壁弱钉扎控制，而后者由畴壁强钉扎控制。

Aqueous magnetic fluids are prepared by the physical and chemical means, and the influence of the crafts of the preparation on the magnetic fluid characters is discussed. The capillary tube viscometer is used to measure the viscosity of the magnetic fluids in a magnetic field.

本文分别采用物理和化学方法制备了水基Fe铁磁流体和水基Fe_2O_4铁磁流体，并讨论了制备工艺对水基Fe_3O_4铁磁流体样品磁化特性、粘度特性和悬浮稳定性的影响。

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。