查询词典 magnetic field

After analyzing the magnetic field distribution of arbitrary shape coil, we study the distribution of analytical model of traveling magnetic field, rotating magnetic field and electromagnetic force in difference case in the electromagnetic crystallizer.

2在分析任意形状线圈的磁场分布基础上，在电磁结晶器内，研究了不同情况下行波磁场和旋转磁场及其电磁力的分布解析模型。

The numerical results indicated that the mixing time decreases about linearly with increasing current intensity. The mixing time decreases first then increases with increasing current frequency and comes up to its minimum value at 30Hz. Applying the traveling magnetic field to the uptake or downtake when the exciting current intensity is 200 A at 10 Hz, the mixing time can be shortened by 9%~17%. With the operating conditions kept unchanged, shorter mixing time is available if applying the traveling magnetic field to the uptake instead of downtake, and the time can be shortened by 18%~26% if applying the magnetic field to both the uptake and downtake. Moreover, the mixing time decreases with increasing argon blowing flowrate, and the time comes down to its minimum value if the argon blowing flowrate is 1 600 NL/min. After the moment, the mixing time increases with argon blowing flowrate.

计算结果表明：混匀时间随电流强度的增大而减小，并且近似成线性关系；混匀时间随电流频率的增加先减小后增大，并且在30Hz 时达到极小值；在励磁电流强度为200A ，频率为10Hz 的条件下，在上升管或下降管施加行波磁场混匀时间可缩短9%~17%；在相同操作条件下，在上升管处施加行波磁场混匀时间小于在下降管施加行波磁场的混匀时间；同时在上升管和下降管施加行波磁场，混匀时间可缩短18%~26%；混匀时间随吹氩量的增大而减小，在吹氩量为1600NL/min 时混匀时间达到极小值，吹氩量继续增大时，混匀时间反而增大。

Analytical results indicate that AC magnetic field should be below the penetration magnetic field of superconducting tape and frequency of magnetic field should be low (200Hz)enough in order to reduce the influence of eddy current loss in metal matrix and coupling loss among superconducting filaments and the matrix.

在测量过程中交变磁场必须低于带材穿透磁场；磁场需要保持在低频（200Hz以下）以减少基材的涡流损耗和超导芯间的耦合损耗对测量损耗电压的影响。

In Newtonian mechanics, the motion of the charge in magnetic field is in equidistance helical line. It is composed of the uniform motion in magnetic field and the circular motion vertical to the magnetic field.

带电粒子在磁场中的运动，如果用经典力学分析，它做等距螺旋运动，是在垂直磁场平面内两个相互垂直方向的简谐振动和沿磁场方向匀速运动的合成。

Permanent magnet can provide for a maximum intensity of the magnetic field around Tesla, Helmholtz coils and solenoids can provide alternating magnetic field or relatively uniform magnetic field, and solenoids can also be used to provide strength for the solenoid around 10 Tesla.

其中永磁铁能够提供强度最大为1特斯拉左右的静磁场，亥姆霍兹线圈和螺线管可提供交变磁场或相对均匀的磁场，也可用螺线管提供强度为10特斯拉左右的超强静磁场，电磁铁则可产生强度为几百毫特斯拉或特斯拉级的静磁场。

In order to verify the conclusions, need to design a uniform magnetic field strength devices, and can control the temperature of the magnetic field area. this combination of knowledge, we related knowledge, and design the magnetic field devices.

为了进一步验证理论推导的结论，需要设计一个强度可调的均匀磁场发生装置，并能控制磁场区的温度，本文结合相关知识，设计了实验所需的磁场发生装置。

In this paper an analysis has been made to some regions of magnetosphere, including the Nightside, Cusp and Duskside. By applying the Curvature Radius Method to the magnetic field data measured by four satellites of Cluster, the geometrical structure of Magnetic Field Lines, including the curvature radius, directions of curvature and normal of the osculating planes of the Magnetic Field Lines have been investigated.

本文采用曲率半径分析方法，结合Cluster立体探测的相关知识和背景，利用Cluster立体探测的优势，通过对Cluster 2001年的立体探测数据的研究，分析了磁层各区域的磁力线结构，包括背阳面、Cusp区以及昏侧，得出各区域中磁力线的曲率半径大小，曲率矢量以及磁力线密切面的法线矢量的方向。

These systems include neutral particles with general spin and magnetic moment moving in an arbitrarily varying uniform magnetic field or in the field of a circularly polarized electromagnetic plane wave, the generalized time-dependent harmonic oscillator, and Heisenberg model in a rotating magnetic field.

包括具有一般自旋和磁矩的中性粒子在任意时变均匀磁场中的运动、在圆偏振平面电磁波场中的运动，一般含时谐振子体系，旋转磁场中的 Heisenberg 模型等。

Detailly,signals of background magnetic field is filtered by fixed frequency of sample and hold circuit which is supplied by logic circuit,and the signals before objects appear are tracked dynamically which are then compared with the ones after objects appear by comparator circuit,in order to furthest obtain the signals of target magnetic field on the basis of background magnetic field compensation.

运用逻辑脉冲电路为采样保持电路提供固定频率滤除背景磁场信号，并对目标未出现时的信号进行动态跟踪，运用比较电路将目标出现前后的信号进行比较，从而在补偿背景磁场的基础上最大限度地获得目标磁场的信号。

Fix a super intense magnet at the north pole of the terrestrial globe, the top of the terrestrial globe is the magnetic field controller which senses the distance between the terrestrial globe and the controller through the sensor; when the distance becomes shorter, the controller will automatically reduce the magnetic field; on the other hand, when the distance becomes greater, the controller will automatically increase the magnetic field and, in this way, guarantee a certain distance between the terrestrial globe and the controller.

在地球仪的北极固定一个超强磁铁，地球仪上面是磁场控制器，通过传感器感知地球仪与控制器的距离。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。