Based on this exasperate antenna performance, a new rectifier with high power conversion efficiency and low turn-on voltage is presented.

考虑到单线圈天线的性能降低，设计了一个新的具有高效率低启动电压的电荷泵整流电路。

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In addition, the surface morphology of active composite layer and the interface modification between active layer and electrodes could also influence the power conversion efficiency of the solar cell.

通过对器件活性层和电极界面进行修饰和采用不同溶剂、不同给受体掺杂比例、不同活性层厚度成膜等方法对器件进行优化并研究其与器件性能之间的关系；

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The company boasts that it produces over 300 watts (300W) of power in the C band, with 60% efficiency of power conversion.

公司称，已开发成功C波段，功率为300W，功率转化效率为60%的放大器。

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Sandwiching the solar cells inside the device would block some light out and knock down power conversion efficiency even further, Filler cautioned.

FORBES: Magazine Article

With this combination, 4% power-conversion efficiency for solution-processed and visibly transparent polymer solar cells has been achieved.

ENGADGET: UCLA creates transparent solar cell, dreams of current generating windows

If, on the one hand, you've got biofuels which represent only a half a percent conversion of sunlight, and let's say you've got photovoltaic cells and concentrated solar power systems, the efficiency of solar in terms of pure conversion is 50-100 times greater.

CNN: Biofuels: What do the experts think?