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- With this idea the modern notion of the electromagnetic field was born. 紧接着这种见解的出现,关于电磁场的现代观念随之诞生。
- An aura is the electromagnetic field surrounding an object. Some people refer to this field as a bio-energy field. 光环就是一个物体周围的电磁场。一些人把这种场称之为生物能场。
- For an active corona, a system consisting of the electromagnetic field and particles, the only open surface is the solar photosphere. 活动日冕,作为由电磁场和粒子组成的系统,其唯一的开场表面是太阳光球。
- Relay which uses the electromagnetic field of a coil to attract an armature and close the contact points. 继电器:利用吸引线圈产生磁场,吸引衔铁并闭合触点。
- Energy and momentum transfer in the electromagnetic field were tied together neatly by the Poynting vector theory. 能源和动力传递在电磁场捆扎起来整齐地通过坡印廷矢量的理论。
- The mathematical equations of this theory express the laws governing the electromagnetic field. 这一理论的数学公式所表达的是电磁场所遵循的规律。
- In recent years, metallurgists have paid close attention to the application of the electromagnetic field in metallurgy. 电磁场在冶金中的应用是近来冶金工作者致力研究的重要领域之一。
- Line of magnetic induction is densest near the coil from the distributing result of the electromagnetic field. 从电磁场分布情况来看,电磁场的磁感线在靠近线圈附近的区域最密集。
- It is necessary to correct the inside dimensions of the cavity for the small penetration of the electromagnetic field into the surface of the metal. 由于电磁场会稍稍透入空腔的金属表面,必须对腔的内部尺寸作出修正。
- The circuits of dumbbell-shaped DGS and spiral-shaped DGS are analyzed and simulated by using the analysis method of the electromagnetic field. 摘要文章对目前应用于微波平面电路设计领域的DGS结构进行了研究,通过电磁场分析软件对各种DGS结构进行分析和优化;
- Sound generated by the vibration of laminations in the electromagnetic field that transforms the current for discharge lamp use. 由电感镇流器中铁芯片的震动所产生的声音。
- The near and far electromagnetic field are synthesized by summation of the electromagnetic field of short current segments or Hertz dipoles. 以很多小段赫芝偶极之完整电磁场合成一任意线电流之近场与远场电磁场。
- High Power Microwave (HPM) source is a nonlinear system composed by the electromagnetic field and relativistic electron beam. 高功率微波(HPM)源是一个由电磁场和相对论电子束组成的非线性系统。
- In order to design a high accuracy geophone with high sensitivity and low-distortion,the electromagnetic field in a geophone is studied systematically. 为使检波器获得高灵敏度、低失真度,对检波器内的电磁场进行了系统的研究。
- There are essentially three kinds of energy of direct significance in chemistry: kinetic energy, potential energy, and tile energy of the electromagnetic field. 有三种基本能量对化学有直接的重要意义:动能、电能和电磁场能。
- Other recent WHO projects include campaigns to reduce tobacco use worldwide, and research on the health effects of the electromagnetic field surrounding cell phones. 除此之外,近来WHO更展开降低全球烟草使用的行动,以及研究手机电磁波对人体的影响。
- Based on the special properties of the metal contact surface, on certain conditions the electromagnetic field components of the half-round waveguide are given. 根据金属界面的特殊性质,在一定条件下运用叠加法的延拓求出半圆形波导的电磁场分量。
- In this paper, Marcatili's method and finite-element method were used tocalculate the electromagnetic field in rectangular dielectric optical waveguide. 本文先对正方形波导的内部模场采用了马可梯里法和有限元法进行了数值计算。
- A class of exact solutions of the Dirac equation are obtained for an electron in the electromagnetic field of a wave guide formed by two pairs of hyperbolic cylinders. 摘要研究了位于由两对双曲柱面构成的波导管电磁场里的单电子的性质,得到了单电子在场中狄拉克方程的新一类精确解;计算了极化算符的本征函数。