| 1. | Magnetic field distribution caused by length - limited loose helical current
考虑螺距时有限长超导螺线管电流磁场的分布 |
| 2. | Measurement of magnetic field distribution and expression of dosage in magnetic treatment
磁疗磁场分布测量及剂量表达方法 |
| 3. | A proof of the magnetic field distribution feature of the unlimited length current - carrying solenoid
无限长载流螺线管磁场分布特点的证明 |
| 4. | So an reasonable inductance modify coefficient is found . according to the magnetic field distribution , some ameliorations are made , then a reasonable and more accurate analytic formula concerned the effect of end zone is presented
根据磁场计算结果，对非线性磁参数法中的一些公式提出了合理的改进，从而找到一种考虑端部效应、较准确计算最小电感的解析算法。 |
| 5. | Study shows finishing initial design of gun we can optimize the beam performance by adjusting magnetic field distribution , gun geometry , cathode magnetic field , magnetic field compression ratio , anode voltage , cathode emitter temperature and so forth
研究表明,完成电子枪的初始设计后,可以通过调整磁场分布、电子枪结构、阴极磁场、阳极电压等因素,优化电子注的性能。 |
| 6. | According to biot - savart law , the general expression of magnetic field distribution generated by circular current in space has been calculated in this paper , which further discusses the magnetic field in the plane , the central axis and the far space
摘要直接由毕奥萨伐尔定律的计算公式，在更为普遍的情况下，计算出了圆形线电流在全空间的磁场分布，并进一步讨论了其在中心轴线上、平面内及远区的磁感应强度。 |
| 7. | Abstract : this article analyzes the reason and influence of magnetic blow on welding arc during the welding process . through the adjusting and improving of the magnetic field distribution , adopting the anti - magnetic erasing method to eliminate the influence of magnetic blow for welding arc
文摘:分析了磁偏吹在焊接过程中对焊接电弧的影响以及产生原因，通过调整和改善焊接电弧周围磁场分布，并采用反消磁法，克服和消除了磁偏吹对焊接电弧的影响。 |
| 8. | The hybrid claw - pole alternators have magnetic fields contributed by permanent magnet as well as excitation coil , and the advantages are high efficiency , have good low - speed characteristics , excitation adjustable and high flux densities . for the reason of complex claw - pole construction and 3 - d magnetic field distributions , there is lack of the research on the alternators
混合励磁爪极发电机是由永磁体和励磁线圈共同产生电机磁场的一种发电机，与传统的爪极发电机相比有高效、低速性能好和集线圈励磁的电压调节性能与高磁通密度的优点，具有很好的研究前景和使用价值。 |
| 9. | The axial magnetic field distribution on center surface of contact gap and contact piece are calculated when the current is at peak . it can be found that the intensity of axial magnetic field and radial magnetic field uniformity are strengthened after the iron core is put into , this helps to improve the stability of the vacuum arc
计算了电流峰值时触头间隙中心平面和触头片上的纵向磁场分布,可以看出加入铁芯后纵向磁场强度和径向磁场均匀性增强,这有利于提高真空电弧的稳定性。 |
| 10. | According to a russian professor ' s idea , a controllable reactor model with multi control loops has been constituted by this paper . then based on the finite element method ( fem ) and combining with the circuit theory , the mathematical model of nonlinear magnetic field is presented for the numerical analysis of the magnetic field distribution and the inductance of the controllable reactor model
本文基于交流可控电抗器的多绕组结构，加工制作了模拟可控电抗器，运用有限元法，并通过场一路耦合分析法，对此电抗器的场分布及其等值电感参数进行数值计算，得到了符合工程分析精度要求的计算结果，为可控电抗器的工程应用提供了相应的理论分析依据和实验结果。 |
