| 1. | Electrical connectors and electrical contacts - magnetic permeability test 电连接器和电触点.导磁性试验 |
| 2. | Magnetic adsorption can only be applied to the wall which surface is magnetic conductor 磁吸附只适用于导磁性壁面。 |
| 3. | Elements of electrical and optical connection - test methods - magnetic permeability 电气和光学连接元件.试验方法.导磁性 |
| 4. | Magnetic materials - specification for steel sheet and strip with specified mechanical properties and magnetic permeability 磁性材料.具有特定的机械特性和导磁性的钢薄板材和带材规范 |
| 5. | Inductive measurement method has been widely used in strip guiding system due to its particular advantage 电感式纠偏检测方法以其独特的优点已广泛应用于各种导磁性带钢纠偏控制系统中。 |
| 6. | Precision forged claw poles are made of purified iron bars and steel 08 with better magnetoconductivity absolutely preceding the previous casting parts 精锻“爪极”原材料采用纯铁棒料和08号钢棒料,导磁性能绝对优于原有的精铸件。 |
| 7. | What is an active protection , elementary : mike or receiver of the signal - an amplifier , 1 transistor - a capacitor with changeable resistor - an output on speaker or emitter 频率范围超过100千兆赫,采用材料反射体屏蔽,具有高介电常数,导磁性,水或镁7分水作为遮盖金字塔,填充物- - -一个吸收器- - -石墨,碳。也可以建造积极保护方式电容器。 |
| 8. | Considering that the ferrite core is often made from good permeable material , the dissertation presents the condition that the normal component of the magnetic field strength is zero approximately at the inside surface of good permeable material , i . e . bn = 0 to determine the eigenvalues for the separation constant . during the solving process , the solenoid coil is supposed to be wound closely by infinite symmetrical delta - coils 考虑到磁芯通常是由导磁性能非常好的软磁材料构成,本文提出利用靠近良导磁材料内侧磁场强度法向分量近似为零,即b _ n 0 ,这一边界条件,来确定边值问题中的本征值。 |
| 9. | Due to the unsuitable performance of the material used presently in rapid prototyping based on stereolithography ( sl ) process , the technology can not make the practical parts which are good in performances ( such as electrical - conducting , magnet - conducting ) and only used to models . these shortcomings block the generalization and application of this new technology seriously 目前光固化快速成型工艺所用的材料缺乏合适的性能,使得该工艺无法直接成型具有功能性(如导电性、导磁性等)的零件,加工出的零件一般只能作为模型,这严重阻碍了该种先进技术的推广与应用。 |
| 10. | The paper proves that in the 2d non - linear case , the coulomb gauge is been meet naturally . in the paper , the second - order isoparametric fem is adopted in the non - linear transient magnetic field simulating excited by current source and the results of transient field and static field solved by the second - order isoparametric and linear fem are compared and analyzed , besides , the effect of the eddy currents in the magnetic materials of the different conductivity is analyzed , it is obtained that the magnetic material of high magnetic conductivity and low loss should be chosen in designing of pma 文中采用二次等参元有限元法推导出在电流源激磁下的非线性瞬态磁场的计算方法和编制了相应的计算程序,并采用二次等参元有限元法和双线性有限元法分别对瞬态场和静态场进行了计算,并对计算结果进行了误差分析,此外,还对不同电导率的导磁材料中涡流产生的影响进行了分析,得到结论设计永磁操动机构时,应选择导磁性能好,损耗低的导磁材料。 |