洛伦兹力

为使Si原子的自由能达到最低的自由能，在磁场洛伦兹力作用下，Si原子向试样的边缘部位偏聚。

In order to obtain the lowest free energy , under Lorentz force , Si particle will gather at the edge of the sample .

由于在施加磁场过程中受洛伦兹力影响，高熔点的TiO2被带入熔池，同时在电磁搅拌作用下，熔池内气体容易溢出，因而堆焊层内气孔减少，成形性得到明显改善。

TiO2 with high melting point was brought into the weld pool on the influence of lorentz force , and at the same time the gas escaped easily from the weld pool , as a result , amount of pores was decreased in hardfacing layer and formability was improved significantly .

感生电场力和洛伦兹力之间的关系

The relationship between the induced electrical field force and the Lorentz force

洛伦兹力的相对论解释

Explanation of Lorentz Force by The Theory of Relativity

洛伦兹力和恒力共同作用下带电粒子的运动

The Motion of Charged Particle Acted Upon by Lorentz force and Constant Force

磁单极与磁洛伦兹力

Magnetic monopole and magnetic Lorentz force

从洛伦兹力公式和运动电荷磁场出发，导出了两惯性系间电磁场的变换关系。

Transformation of electromagnetic field is derived from lorentz force formula andmagnetic field of moving charge .

本文研究了基于洛伦兹力机理的电磁超声换能器建模及仿真分析。

Modeling and simulating of Electromagnetic Acoustic Transducer ( EMAT ) based on Lorentz mechanism has been studied .

电磁场对高速运动电荷的作用力&洛伦兹力公式的新形式

The force on a high speed moving charge in electromagnetic field ─ The new form of the Lorentz force formula

当激励电流等于528.9A时，静磁场洛伦兹力和交变磁场洛伦兹力激发的表面波幅值相等。

When excitation current is 528.9 A , surface wave amplitudes due to static and dynamic magnetic fields are equal .

施加轴向磁场以后，熔体内部的两个流胞均会受到洛伦兹力的抑制作用。

When axial magnetic field is applied , both toroidal roll cells in the melt will be inhibited by the Lorentz force .

因此，为获得优化的设计，计算洛伦兹力和磁致伸缩力以及选择合适的工作方式变得尤为重要。

It is important to determine both the Lorentz and magnetostriction forces and select the appropriate working manner for achieving an optimized design .

水平式隧穿磁强计是一种新型隧穿磁强计，其特点是反映磁场变化的洛伦兹力与敏感元件在同一水平面内。

Horizontal tunneling magnetometer is a new kind of tunneling magnetometer in which Lorentz force is in the same level of sensitive element .

水平径向洛伦兹力主要产生沿深度方向传播的横波，垂直方向洛伦兹力主要产生沿深度方向传播的纵波。

Radial Lorentz force mainly generates shear wave propagating along depth , while vertical Lorentz force mainly generates longitudinal wave propagating along depth .

由洛伦兹力公式出发，分析带电粒子在相互垂直的恒定电磁场中运动的方程，由此得到一些常见的运动轨迹，并给出带电粒子在电磁场中的一种新的轨迹&长辐旋轮线。

The motion of a charged particle in electric and magnetic fields perpendicular to each other is analysed , a new type of orbit is obtained .

磁场对导电性的影响有两个方面，分别是洛伦兹力增加电子散射和晶体自旋极化降低电子散射。

The effect of magnetic field on the conductivity has two parties which are electron scattering increased by the Lorentz force and electron scattering decreased by polarized spin .

静磁场洛伦兹力激发的表面波幅值与激励电流大小成正比，而交变磁场洛伦兹力激发的表面波幅值是激励电流大小的二次方函数。

The surface wave amplitude due to static magnetic Lorentz force is proportional to excitation current , while that due to dynamic magnetic field is a quadratic function of excitation current .

强磁场的磁化力和洛伦兹力通过控制初晶硅颗粒迁移行为来改变其在合金基体中的分布状态，通过影响凝固过程中的对流现象改变合金的凝固组织。

The results indicate that it is possible to control the behaviors of reinforced particles in the metal matrix by using intense magnetic fields in the solidification process of metal matrix composites .

但是，随着偏置磁场的逐渐增强而使材料达到磁化饱和时，磁致伸缩逐渐消失，对产生超声不再有贡献作用，洛伦兹力变成是激发超声的惟一原因。

But , with the bias magnetic field increasing and saturation , the magnetostrictive terms will make no contributions to the ultrasonic generation and the Lorentz force becomes the only exciting mechanism .

理论分析表明：强磁场增加金属熔体粘度，降低自然对流，诱生洛伦兹力阻力来抑制颗粒上浮和聚合。

Theoretical analysis showed that magnetic field could increase viscosity of melt and restrain natural convection ; also induce Lorentz resistive force to reduce rising velocity and growth rate of second phase particles .

感应电流又在磁场的作用下受洛伦兹力，根据理论分析可知，所受洛伦兹力存在一个与来流速度方向相反的分量，使得激波后区域的流动减速。

Obviously the current suffer the Lorenz force in the magnetic field . It is known that one element of Lorenz force is in the opposite direction of the velocity of the coming flow by analysis .

电磁场中相对论带电粒子的经典轨道运动受到洛伦兹力和辐射阻尼力的影响，在一定条件下会达到受力平衡状态。

The classical orbital motion of a relativistic charged particle in electromagnetic fields is influenced by the radiation damping force as well as the Lorentz force , and the particle may be in equilibrium of forces in certain conditions .

采用数值法和解析法相结合，计算了电磁超声换能器的声场特性，为电磁超声换能器优化设计奠定了理论研究基础。首先根据电磁场理论推导了洛伦兹力产生机理。

The sound field characteristic of EMAT has been calculated by the combination of numerical calculations and analytical solutions , building theoretical foundation for optimization of EMAT . First , Lorentz mechanism has been deduced according to electromagnetic theory .

并在此基础上导出了适用于任意速度的新的洛伦兹力公式，它在低速情况下转化为通常的洛伦兹力公式。

The new form of Lorentz Force Formula , that will be suitable for the charge at any speed , has been derived , and it can be transformed into the general Lorentz Force Formula in any case at lower speed .

百年以前，由洛伦兹建立的电磁场对电荷的作用力公式－洛伦兹力公式，是在低速情况下得到的，后来被推广到了任意运动速度。

One hundred years ago , the formula of force on a charge in electromagnetic field was established by Lorentz in the case of a charge at lower speed . That formula was extended for charge at any speed afterwards .