查询词典 ab-ampere

We derived Gauss law and Ampere circuital theorem using the concept of solid angle.

用立体角概念和计算式导出高斯定律、安培环路定律，并举实例说明对具有一定对称性的静电场与恒定磁场的场强分布可以较简捷地求

This paper is intended to discuss the fact that the electromagnetic field S space symmetry is the essential condition for finding the solution to the electrostatic and static magnetic fielde E、B by the direct use of Gauss law and Ampere s circuital law.

本文叙述了电磁场空间对称性是直接用高斯定理及安培环路定理求解静电，磁场中E、B的必要条件。

Non-linear resistance;volt-ampere characteristics;Clairaut equation; power matching

非线性电阻；伏安特性；clairaut 方程；功率匹配条件

In the basis of the coulomb's law of magnetic charge which has the same form with coulomb's law and Ampere's assumption of molecular electric current, the fundamentallaw of magnetism-Biot-Savart law is obtained.

公式(8)是一般形式的毕-萨定律，它是磁荷库仑定律和安培分子电流假说的推论。

This paper starts from the rules of Coulomb's law, Ampere's power Law and the D'Alembert equation, hai Muhuo equation and so on, reveals the mechanical essence and divergent characteristic of electromagnetic interaction; it follows the rule shown in d'Alembert equation and transmits in the form of electromagnetic waves and spherical waves in electromagnetic field.

文章从库仑定律、安培力定律和达朗贝尔方程、亥姆霍次方程等规律出发，揭示了电磁相互作用的力学实质和发散特性；它遵循达朗贝尔方程所示的规律，以电磁波的形式和球面波的方式在电磁场中传递。

The coulomb is then defined as the charge transported in one second by a current of one ampere.

库仑则定义为在一秒钟内1安培电流所传输的电荷。

In order to study the primary resonance and primary parametric resonance of current-carrying conductor subjected to harmonic excitation and ampere force, the Mathieu-equation of the system is derived first.

研究受简谐激励的二长直电流间载流导线的主共振主参数共振问题，应用动力学方法建立载流导线受外部激励和安培力的Mathieau方程。

The secondary current and the resulting ampere-turns will change the flux, tending to demagnetize the core, reduce and with it .

二次侧电流及其总安匝将影响磁通，有一种对铁芯产生去磁、减小和的趋向。

Building of the operation rules of curl and divergence for vector field in R 3 space;2. Analysing by mathematics and the concepts of flux and curl , we can get the differential form of gauss s theorems in electrostatic field and ampere s cycle theorem in electrostatic field.

电动力学中的内容一般是从电磁学最基本的实验规律出发，由静电场中的库仑定律得到静电场的高斯定理和环路定理，利用通量与散度、环流与旋度的关系，得到静电场的高斯定理和坏路定理的微分形式。

Held in place by clamps, braided aluminum terminal straps in 25, 50, 100, and 200 ampere ratings, are available in two primary styles: Single Loop (for connecting binding post to element) and Double Loop (for connecting element to element).

用夹子固定，终端喷铝部有25，50，100和200等四种额定安培电流，可有三种形式：单环，双环，还有接线柱间的连接。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。