查询词典 ferrites

At the same time, the growth mechanism of the bismuth ferrites was also discussed.

同时探讨了铋铁系化合物的生长机理。

The all raw meal ingredient and all grog ingredient of cordierite and ferrites were prepared,and the composite ceramics was prepared.

用铁氧体生料和堇青石生料的复合及铁氧体熟料和堇青石熟料的复合，制备了堇青石红外辐射复相陶瓷。

The electromagnetic loss property was studied by the relative dielectric constant and relative magnetic permeability of the ferrites.

并测试样品的相对介电常数和相对磁导率，研究了它们的电磁损耗特性。

We also studied the probability of modulability of light pulse interval in HLS. In 3 years, we have studied the modulators with the switch of thyratron, IGBT and MOSET etc. They are the comparisons between the waveforms, characteristic tests of ferrites made in China, the driver system of MOSET and the design of kicker magnet with the network mode, which have been studied.

三年来，利用重氢闸流管、IGBT、MOSET等开关的调制器，试验能否这样高重复频率快电流的脉冲功率技术，着重进行了脉冲波形成形比对试验研究，国产高频铁氧体性能测试，MOS管驱动控制与网络型冲击磁铁的设计研究。

As the result,the research on the relationship between the properties of spinel ferrites and the corresponding preparation processes is quite important.

因此，研究尖晶石铁氧体的制备过程对其性质的影响就显得十分重要。

The preparation process of Mn-Zn ferrites includes three stapes:powder preparing,shaping and sintering.

锰锌铁氧体的制备包括三个步骤：粉末制备、成型和烧结。

The purpose of this paper is to synthesize nano-microporous ferrites.

本研究的主要工作是纳米微孔铁氧体的合成。

By this simple method, trinary oxides such as several kinds of ferrites were prepared. XRD and SEM were employed to characterize the phase and morphology of the final product. Hysteresis loops of the as-prepared ferrites were given and cobalt ferrite had the biggest magnetism and coercive force.

运用溶液燃烧法一步合成了多种铁氧体等三元氧化物，分别用X-射线粉末衍射、扫描电镜对其相态和形貌进行初步的表征；磁性能研究显示钴铁氧体具有最大的磁能积和矫顽力。

The results show that upper bainite of 9Cr2Mo Steel and GCr15 steel is feathery and the upper bainite carbide is lamellar or claviform. The upper bainite carbide distributes between the subunits of bainite ferrites by and large parallelly to the axis of bainite ferrites. Lower bainite of 9Cr2Mo Steel and GCr15 steel is in bamboo leaf shape and the lower bainite carbide is in shred or fibre shape. The lower bainite carbide distributes between the bainite ferrites, furthermore, the angles between lower bainite carbonide and the principal axis of the lower bainite ferrites are unequal.

结果表明，9Cr2Mo钢和GCr15钢的上贝氏体组织呈羽毛状，上贝氏体碳化物呈长短不一的薄片状或短棒状，分布在铁素体亚片条或亚单元之间，其排列与贝氏体铁素体片条轴向大体上平行分布；下贝氏体组织呈竹叶状或针状，下贝氏体碳化物呈细片状或纤维状等形状，分布在铁素体片中间，大多数与片条的主轴方向交角排列，但角度不等。

Metallic nickel powder is taken as a matrix; a chemical method is adopted to prepare a product required by cladding ferrites on the surface of the nickel powder; the mass ratio of the ferrites to the nickel compound powder is between 1 to 5 and 1 to 0.01; the grain diameter of the nickel powder is 0.5 to 5 microns; the ferrites are ferrites of spinel type or ferrites of magneto plumbite type.

以金属镍粉作为基体，采用化学方法在镍粉表面包覆铁氧体层制得所需产品，铁氧体与镍复合粉体的质量比为1∶5～1∶0.01，镍粉粒径为0.5～5μm，铁氧体为尖晶石型铁氧体或磁铅石型铁氧体。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。