In this paper, a novel zero-voltage and zero-current-switching (ZVZCS) three-level DC/DC converter is presented, which consists of a simple auxiliary circuit in the ...

It's a lot of species, there is a simple circuit products as well as chip-based products more cost-effective., ...

The system circuit is simple which is universal to with high-speed, multi-channel, wide dynamic range data acquisition ...

If the World Bank's projected rates for global economic growth hold steady, global output will have risen almost tenfold by ...

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The New Lefts hold views that are characterized by a fierce nationalism and criticism of the West., 中国的新左派们表现出强烈的爱国主义及反击西方的情节 ...

English-born American colonial administrator chosen as the first governor of the Virginia Company colony. He arrived at ...

In fact, policymakers will shift their focus over the next few months about when and whether inflation concerns should be ...

降低载流子输运损失、提高选择性和最小化非辐射复合是提高钙钛矿/硅叠层太阳能电池效率和稳定性的关键。 研究组使用了一种与工业标准织构硅兼容的混合两步钙钛矿沉积方法，结合基于1,3-二氨基丙烷二氢碘化物的钙钛矿表面处理。该分子与钙钛矿表面的相互作用增加了电子选择性接触处的大部分载流子浓度，从而减少了界面重组。 同时，这种场效应钝化增加了整个本征钙钛矿吸收体的电子浓度，从而提高了电导率并降低了输运损失。