查询词典 magnetic material

The effects of external magnetic field frequency,material parameters and geometrical parameters of fishtail on the average propulsion produced by swing tail are analyzed.

论文分析了外磁场频率、鱼尾材料参数和几何参数等因素对鱼尾摆动所产生的平均驱动力的影响。

Whereas the study on magnetic property of Co-Cu-B alloy powder was most infrequency in material field.

然而材料界对Co-Cu-B合金粉末磁学性能的研究却尚未见报道。

DSC-TGA thermal analysis and XRD characterization results demonstrate that Fe is precipitated as Fe3O4 during alkaline decomposition of jarosite. The contents of Fe, In and Zn in decomposition residue are 38.81%, 0.23% and 12.89%, respectively. After selective leaching of In and Zn with dilute HCl solution, the iron concentrates obtained from magnetic separation can be used as raw material for iron smelting.

DSC-TGA热分析和X射线衍射分析结果表明：在NaOH分解过程中，铁矾渣中的铁主要以Fe3O4形式沉淀入渣；分解渣中Fe、In和Zn的含量分别为38.81%、0.23%和12.89%；经稀盐酸选择性浸出铟和锌后，进一步磁选富集可作为炼铁原料。

Based on the relevant theoretical researches, the loss property of the magnetic core material and winding were analyzed in this thesis .

因此，高频开关电源变压器的优化设计是实现电源系统小型化、轻量化和提高可靠性的关键。

Magnetic refrigerant material is the core of magneto-cooling technique.

磁致冷材料，是磁致冷技术的核心。

This paper, on the base of the forward circuit, discusses the effects of the circuit topology and material of magnetic core on the efficiency, size and weight of the power transformer.

超微晶材料在一定的工作频率范围内可以减小变压器的体积、重量和损耗，是一种优良的新型磁性材料。

In view of the microscopic mechanism of ferromagnetic material, the influence of internal stresses on magnetic domains and domain wall is studied, and the influence of internal stresses on initial susceptibility is also explored for different variation states of domain movement.

3从铁磁晶体的微观机理出发，研究了内应力对磁畴和磁畴壁的影响机理，讨论了内应力在磁畴运动变化不同状态下对起始磁化率的影响。

Power ferrite material possesses many chracteristics,such as:highly saturated magnetic flux density,high frequency usage and low-power dissipation and so on.

功率铁氧体材料具有高饱和磁通密度、高使用频率、低功耗的特性。

It is a contradiction to achieve a high material removal rate and a super smooth surface in lapping of magnetic head.

同时获得高去除率和超光滑平整的表面是硬盘磁头自由磨粒抛光的矛盾，研究自由磨粒抛光材料去除规律可以优化抛光工艺。

The test shows that the material with high saturation magnetic induction intension can obtain good open response.

试验表明高饱和磁感应强度的材料可获得较好开启响应。

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。