查询词典 magnetic field

The characteristics of the waves guided along a plane interface which separates a semi-infinite region of free space from that of a magnetoionic medium are investigated for the case in which the static magnetic field is oriented perpendicular to the plane interface.

沿平面界面分开的磁离子中，一个半区的空间是无限的，其中静态磁场导向的垂直平面接口个案调查指导波的特点。

So, only the orthogonal component of the magnetic field of the magnets is used.

因此，只有正交组成磁场的磁体是用。

It is predicted that the function of mold oscillation can be substituted by imposition of an intermittent high frequency magnetic field in continuous casting of steel.

在间歇式高频磁场作用下，通过高速数码摄像机观测并研究了熔融金属弯月面的形状及其波动行为，建立了保护渣浸入深度的理论计算模型。

To provide optical fiber: Fiber Distributed Temperature Stress Test System, Fiber Distributed Temperature Measurement System, Fiber Bragg Grating Health Monitoring System, fiber optic geophone systems, fiber Bragg grating wavelength calibration instrument and so on, which sensor product line is extremely rich and has industry representation, including: fiber optic temperature hygrometer, fiber-optic gas alarm, fiber-optic magnetic field sensors, optical fiber vibration sensor, fiber-optic high temperature pressure sensors, fiber-optic WIM system , fiber optic strain gauge welding, fiber optic embedded strain gauge, optical soil pressure gauge, fiber reinforcement meter, fiber optic pressure ring, fiber-optic displacement meter, fiber cracks meter, fiber optic osmometer, fiber-optic temperature sensor high temperature , optical fiber cable meter and so on.

北京达卡科技有限公司光纤方面提供：光纤分布式应力温度测试系统、光纤分布式温度测试系统、光纤光栅健康监测系统、光纤地震检波系统、光纤光栅波长校验仪等，其中传感器产品线极为丰富和具有行业代表性，包括：光纤温湿度计、光纤瓦斯报警器、光纤磁场传感器、光纤振动传感器、光纤耐高温高压传感器、光纤动态称重系统、光纤焊接式应变计、光纤埋入式应变计、光纤土压力计、光纤钢筋计、光纤压力环、光纤位移计、光纤裂缝计、光纤渗压计、光纤耐高温温度传感器、光纤钢索计等。

The results show that the equiaxed zone ratio of the casting billet is greatly increased,with its soidification structure is obviously improved,and the momentum values of the electromagnetic forces both parallel to and perpendicular to the direction of the traveling magnetic field pulsate periodically with time.

采用三相通入不同电流的非平衡线性电磁搅拌技术进行了铸坯的静态浇铸实验，并对电磁搅拌过程中钢液内的电磁力各分量的瞬时值进行了理论分析·结果表明，当采用将电磁搅拌器的三相通入不同电流的非平衡线性电磁搅拌时，在钢液内所产生的电磁力是脉动的，其大小呈周期性变化，尤其是垂直于磁场运动方向上的电磁力，其脉动的幅度很大·由此认为，当采用将搅拌器的三相通入不同电流的非平衡线性电磁搅拌时，所产生的垂直于磁场运动方向上的脉动电磁力是提高等轴晶比率，改善铸坯凝固组织的一个重要原

This paper presents a new spectrograph of electronic paramagnetic resonance. Its character is the application of combined frequency and magnetic field modulation.

本文叙述一种新型的电子顺磁共振波谱仪，它的特点是采用了调频调场结合的方法，因而简化了结构。

Paramagnetism usually contributes only a few gammas to the magnetic field at the earth's surface.

参照反磁性的铁磁性的反磁性的和铁磁性的反磁性的铁磁性的。

This research is to provide a new ＂drug＂ that the paramagnetic radioactive isotopic nanometer-iron for treatment tumor, it have some characteristics comprising the paramagnetism and the radioactive activity, it can be located to the position of focus with three-dimensional rotating magnetic field.

本文提出一种新型的抗肿瘤药物——顺磁纳米铁核素，它具有超顺磁性、放射性活度和较好的磁导向功能的特点，在引导磁场的作用下可有效定位于靶区。

Design consideration and design methods for periodic reversal permanent magnet focusing system are presented ,special technical problems met in design of multi-beam electron gun with controlling electrode are discussed.2D computer software or magnetic field and electron trajectory of electron optics system has been established,and applied to calculate the electron optics system of S-band 200 kW multi-beam klystron.

给出了周期反转永磁聚焦系统的设计方法和设计考虑，讨论了控制极调制多注电子枪设计中遇到的特殊问题和解决方法，建立了计算电子光学系统的二维磁场和电子轨迹计算软件，并应用这些软件设计和研制了S波段200kW多注宽带速调管的电子光学系统。

And it should be noted that the periodic oscillations are disappear at high magnetic field.

然而值得注意的是在高磁场的情况下，并无周期振荡的情形。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。