| 1. | The conservation of energy and the magnetic field energy of temporary duration in rl circuit 电路暂态过程中的能量守恒与磁场的能量 |
| 2. | Quantitative relations between electric potential energy and electric field energy of continuous charged body and point charge system 连续带电体和点电荷系的电势能与电场能的定量关系 |
| 3. | Study on the conservation of electromagnetic field energy and angular momentum when neutral conductor spins in the even magnetic field 中性导体在磁场中旋转时电磁场能量及角动量守恒研究 |
| 4. | We study about how to improve the accuracy of calculating the field energy . such as high order diffracted field , hybrid method , and so on . and getting some useful conclusion 研究了提高观测点场强计算精度的一些方法,如加入高阶绕射、混合算法等,并对此作了一些有益的探讨。 |
| 5. | The theory of diffraction aberrations caused by aero - medium was introduced , a physical model on laser propagation in ordered , random inhomogeneous aero - medium was discussed and analyzed . the far - field energy distributions in two condition were given 介绍了气动光学介质引起的衍射像差理论,分析讨论了一套同时可以用于激光在有序,随机两种非均匀气动介质中传输的理论模型。 |
| 6. | Abstract : based on principle of minimal leakage magnetic field energy for current distribution of parallel coils in the primary side of transformer and also on finite element method , the method for calculating the current distribution of parallel coils in the primary side is studied and solved 文摘:以变压器一次各并联线圈的电流分配一定满足漏磁场能量最小原理为基础,结合有限元方法研究了计算一次各并联线圈电流分配的方法。 |
| 7. | To study the wave field characteristics of 2 - d transversely isotropic elastic random medium , we separately calculated the statistical characterizations ( horizontal center frequency , vertical center frequency and relative magnitude of the wave field energy ) in the five different time sections 为研究横各向同性弹性随机介质模型中的波场特徵,我们在五个不同的时间区段上,分别计算剖面的三个统计特徵(横向中心频率、纵向中心频率、波场能量相对值) 。 |
| 8. | The functions of the non - polarity field energy without polarity are very special . it removes negative disease information and preserves inherited , healthy , and positive information , and so it returns the body to the most positive state . this explains why spiritual practice can heal all diseases 无极能量的功能很特别,它可以消除否定疾病的信息,保留先天的健康的肯定的信息,所以它让人体恢复到最肯定的状态,所以说明了为什么灵修可以治愈所有疾病。 |
| 9. | To study the wave field characteristics of 2 - d viscoelastic random medium , we divide up the theoretic recording sections ( vertical component ) into two different time sectors , and separately calculated and extracted the three statistical characteristics ( horizontal center frequency , vertical center frequency and relative magnitude of the wave field energy ) in the two different time sectors 为研究粘弹性随机介质模型中的波场特徵,我们在理论记录(垂直分量)剖面上选取两个时间区段;在这两个不同的时间区段上,分别计算剖面的三个统计特徵(横向中心频率、纵向中心频率、波场能量相对值) 。 |
| 10. | Against a prototype which is being produced , its three dimension end region entity model of stator is established , and with the aim of simplifying calculation , the theory of how to simplify entity model is studied , then the theory is made use of , and the end region entity model of stator is simplifi - ed ; meshing characteristics of three dimension entity model and shortcomin - gs of end region entity model of stator are studied , then meshing method of three dimension end region entity model of powerformer stator is studied as well , and the simplified entity model is meshed with this meshed model , the distribution of end region magnetic field of stator is analyzed , and the magnetic field energy and reactance of powerformer end region are calculated and compared with design value because the prototype is being produced , in this paper , stator core , gap and eddy equipment are not taken into consideration , and this has a little influence on the result , but through analysis , the result is proved to be good through the example calculation , it is known that the method of this paper is useful and through theoretic analysis , it is proved that end region 针对一台生产中的样机,对其建立了定子端部三维实体模型,而且为了达到简化计算的目的,研究了如何将其简化的理论,并应用这些理论对样机定子端部实体模型进行了简化;研究了三维实体模型的剖分特点和定子端部实体模型存在的缺点,在此基础之上,研究了对简化的powerformer定子端部三维实体模型的剖分方法,并且对简化的实体模型进行了剖分。应用剖分的三维实体模型,用有限元法分析了powerformer定子端部的磁场分布,计算了端部区域的磁场储能,并利用磁场储能计算了powerformer定子端部漏抗,将计算值与设计值进行了比较、分析。由于样机处在设计生产阶段,本文暂时没有考虑定子铁心、气隙和涡流器件对端部磁场的影响,这对分析结果有一定的影响,但是仍然得到较好结果。 |