查询词典 ferrite

It was shown that, when without magnetic field or MFD lower than 2Tesla, spheric cobalt ferrite nanoparticles was obtained, and when MFD was equal or above 4Tesla, claviform cobalt ferrite nanoparticles appeared.

在强磁场下采用共沉淀-相转化法制备出了纳米级的钴铁氧体颗粒，通过SEM，XRD和VSM等分析手段，考察了磁感应强度对纳米钴铁氧体形貌及性能的影响规律。

With the increase of MFD, much claviform cobalt ferrite nanoparticles was obtained, and the crystallization of cobalt ferrite nanoparticles became better, also the magnetic properties such as remanence magnetism, saturation magnetism and squareness ratio were increased remarkably.

试验结果表明：无磁场及磁感应强度小于2T时，纳米钴铁氧体颗粒为球形形貌；当磁感应强度大于等于4T时，有棒状纳米钴铁氧体形成；随着磁感应强度的增大，棒状纳米颗粒数量增加，纳米钴铁氧体的晶化程度提高，磁性能(Mr、Ms、Mr/Ms)也有大幅度的提高，10T时制备的纳米钴铁氧体颗粒的剩余磁化强度比无磁场下制备的钴铁氧体颗粒的剩余磁化强度增加了近15倍，饱和磁化强度提高1.44倍。

Then the fired kinetics of the ferrite were analyzed to give directions to densify the ferrite under low fired temperature.

然后又从物质迁移的角度探讨了促进 NiCuZn 铁氧体低温烧结和致密化的有效途径。

The insulation of apparatus in the power system is often broken by the very fast transient overvoltagewhich is caused by the operation of disconnector in gas insulate substation In this paper, a new idea for the suppressing VFTO by ferrite is put forward, and the characteristic of ferrite is analyzed.

GIS中隔离开关操作时产生的特快速暂态过电压对电力系统及其设备的绝缘具有巨大的破坏力，本文提出了采用铁氧体来抑制GIS中隔离开关操作时产生VFTO的方法，分析铁氧体抑制VFTO的优点，对VFTO的抑制效果进行了实验研究和仿真分析，探讨了具有理想抑制效果的铁氧体参数的具体要求和对理想抑制参数的铁氧体尺寸的估算方法。

The adopted preparation method comprises the following steps: paper fibre or porous organism is used as a hard template; CoFeFe-LDH is synthesized in the surface and holes of the hard template and roasted to prepare the magnetic cobalt iron ferrite; as the function for fixing the houghite position is produced by the obstruction and adsorption of the hard template, the occurrence of the sintering phenomenon is greatly avoided, thereby preparing the magnetic cobalt iron ferrite with a consistent shape and even granularity.

所采用的制备方法是以纸纤维或多空有机物为硬模板、在硬模板表面及孔内合成Co 2 Fe 2 Fe 3 -LDH，再经焙烧得到磁性钴铁铁氧体，由于硬模板的阻隔和吸附而产生的水滑石位置固定作用，极大地避免了烧结现象发生；从而得到形状一致、粒度均匀的钴铁铁氧体。

When the pH value was about 7.0, and the settling time was 30min, and the dosage was 100mg/L, the removal efficiency of arsenic can achieve 80% as polysilicate ferrite and polysilicate ferrite aluminum being used as coagulation reagents.

在pH 值为7，沉降时间为30min，混凝剂投加量达100mg/L时，聚硅酸硫酸铁、聚硅酸硫酸铁铝、聚硅酸氯化铁和聚硅酸氯化铁铝对砷的去除率达80%以上。

Through the microstructure analysis, it is found that there are ferrite, spiculate bainite in base material, weld metal area and heat-affected zone, and there is much dispersed Fe3C on ferrite and bainite, which indicates that weld joints of steel B610CF have better strength and toughness.

金相分析表明，焊接接头的母材区、焊缝区和热影响区组织均为铁素体和下贝氏体，在铁素体和贝氏体上还弥散分布着渗碳体，说明焊接接头的强度和韧性都较好。

It is necessary for two kinds of controlled cooling processing to possess air cooling phase to separate ferrite from austenite, and, by means of this, polygonal ferrite forms, the carbon concentration of the retained austenite untransformed increases and results in the stability of retained austenite increased.

在二种冷却方式轧后控冷的过程中，必须有一个α/γ二相分离的空冷阶段，使多边形铁素体形成，未相变奥氏体中碳浓度增高，其稳定性增强。

With the increase of DIF, more and more carbon atoms were rejected into the boundaries of ferrite and interfaces of ferrite/untransformed austenite.

DIF析出时碳原子高度富集在铁素体晶界和铁素体/奥氏体界面。

Observation of transmission electron microscope reveals that the f＇me structure of CGHAZ and IRCGHAZ of both in- service welding and routine is ferrite laths and the second phase particles that distribute on or between ferrite laths.

透射电镜下，在役焊接和常规焊接的粗晶区与临界粗晶区的主要形貌都是铁素体板条和分布在板条之间或板条基体上的岛状物，铁素体板条的亚结构都是高密度位错。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。