| 1. | A fluctuating magnetic field is produced in the iron .
铁心中就产生交变磁场。 |
| 2. | So far we have described the propagation of alternating magnetic fields .
至此我们讨论了交变磁场的传播。 |
| 3. | Cross field welding generator
交变磁场电焊发电机 |
| 4. | Test method for magnetic shield efficiency in attenuating alternating magnetic fields
衰减交变磁场中磁屏蔽效果测试方法 |
| 5. | The alternating current field measurement ( acfm ) technique is a new kind of the electromagnetic non - destructive testing ( not ) techniques , which represents one of the main development directions
交变磁场测量技术是近年来兴起的一种新型电磁检测技术，代表着无损检测领域未来的一个主要发展方向。 |
| 6. | The experiments on the effects of the uniform magnetic field in mice autonomic action and nembutal subthreshold - hypnosis was carried out . the results showed that the field had definite effects of sedation and hypnosis
用均匀交变磁场对小白鼠的自主活动及戊巴比妥钠阈下催眠影响进行了实验研究.结果表明,所用磁场具有一定的镇静、催眠作用 |
| 7. | Thereafter , a new kind of compound rectangular coil is proposed to apply to acfm . after its electromagnetic field distribution is analyzed in detail , the measurement scale is given . all the study can be used as the academic base to study the acfm syste m further
在此基础上，本文提出将一种新型复合矩形线圈应用到交变磁场测量技术中，并重点研究了复合矩形线圈激励下电磁场分布特性，讨论了缺陷检测的数值范围。 |
| 8. | According to numerous experiments of eih for air , the transient magnetic field has exerted certain influence on the thermocouple measurement . it is concluded in this thesis that the influence can be reduced or neglected with appropriate measuring parameters , which are fundamenta
本文进行了电磁感应空气加热试验，研究了交变磁场对热电偶测温的影响规律，得出只要采用适当的测量参数，就可以将其影响减少甚至忽略的结论，为以后试验中的温度测量打下基础。 |
| 9. | In this paper , the application background , the peculiarity and the development home and abroad of acfm are illustrated , and the mathematical model is built up . then the finite element numerical analysis is used as access to the study of the electromagnetic field distribution of acfm system
本文阐述了该技术的应用背景、特点和国内外发展现状，给出了其数学模型，并由此提出了以有限元数值仿真分析为主要手段对交变磁场测量系统的电磁场分布特性进行研究。 |
| 10. | Induced current electrical impedance tomography ( iceit ) is a new branch of electrical impedance tomography ( hit ) . it applies several excitation coils on the boundary of the object . when one of the coils is stimulated by constant alternating current , the magnetic field is established
感应电流电阻抗断层成像( inducedcurrentelectricalimpedancetomography ， iceit )是电阻抗断层成像技术的一个分支，它在被测目标的外围放置若干个激励线圈，对其施加时变电流，在空间产生交变磁场，从而在被测目标内激励出感应电流。 |
