The deflecting electric field method we presented has been proved to be valid for inner surface PIII, and can increase retained dose and implant energy greatly.

研究表明，提出的偏转电场法是进行内表面注入处理的有效方法，可以极大提高内表面注入的注入剂量和注入能量。

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Associating problems encountered in teaching of an introduction to electromagnetic fields, two viewpoints concerning spherical mirror method and calculation of electric field energy are pointed out.

结合“电磁场导论”课程教学中遇到的问题，指出有关球面镜像、电场能量计算的两点看法。

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The invention provides a method for controlling direct power of a grid-connected inverter without any non-AC voltage sensor and belongs to the field of electric energy transformation.

无交流电压传感器并网逆变器的直接功率控制方法，属于电能变换领域。

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