| 1. | The strain energy density function equals the helmholtz .
应变能密度函数等于亥姆霍兹函数。 |
| 2. | Study on agnetic field of a circular current and helmholtz ' coils
圆电流和亥姆霍兹线圈磁场的研究 |
| 3. | The other kind of mechanism regards the grain as a combined resonator
另一种吸声机理来自亥姆霍兹共振腔。 |
| 4. | Helmholtz function criterion
亥姆霍兹函数判据 |
| 5. | Gibbs - helmhotz equation
亥姆霍兹方程 |
| 6. | It is a member of the helmholtz association of national research centers ( helmholtz - gemeinschaft deutscher forschungszentren e . v . )
它是德国亥姆霍兹联合会国家研究中心联合会成员之一。 |
| 7. | A new coupled - mode theory based on scalar modes is presented for the anisotropic waveguide with random disturbance via helmholtz equation and a modified dielectric tensor
摘要从亥姆霍兹方程出发，得到了各向异性光波导在弱导近似下的耦合模理论。 |
| 8. | Abstract : degree of homogeneity is introduced , thereafter the magnetic field of helmholtz coil is studied , and the best conditions of this coil is investigated by computer
文摘:引入磁场均匀度的概念，对亥姆霍兹线圈磁场的均匀性进行了定量分析，并通过计算机模拟，得出了同一精度下，形成亥姆霍兹线圈均匀磁场的最佳条件 |
| 9. | Abstract : the distribution of axial magnetic field around the centre of helmholtz " coils has been thoroughly analyzed , a numerical method for estimation of the homogeneity of coils " magnetic field had been found , and the homogeneity curve is given
文摘:分析了亥姆霍兹线圈中心区域轴向磁场的分布，找到了一种估计线圈磁场均匀区的计算方法，并给出了均匀区分布曲线图。 |
| 10. | The solving steps are as follows : the field is divided into three regions by the cylindrical surface of the finite - length cylinder and the location of the delta - coils . because " the surface current source is placed at the interface , the non - homogenous restricted equation on the magnetic vector potential is transformed into the homogenous helmholtz equation . by using the method of separation of variables to solve equation and according to the interface conditions and the condition at infinity to determine the unknown constants , the expressions for the magnetic vector potential of the three regions are solved out
在求解过程中，假定放置式圆柱线圈是由无穷多个对称圆环线圈密饶而成，首先求解含有有限长磁芯的通电对称圆环线圈的电磁场：以有限长圆柱磁芯的侧面和圆环线圈所在圆柱面为分界面将场域划分为三个小区域，由于场源放置在内边界面上，使得关于矢量磁位的非齐次约束方程转化成齐次亥姆霍兹方程，利用分离变量法求解，根据分界面郑州大学硕十研究生毕业论文摘要条件以及无限远条件确定待定常数，从而得到各场区矢量磁位的表达式。 |
