Ieri i funerali di Aurora Maniscalco, hostess palermitana di 24 anni morta a Vienna in circostanze controverse. La Procura ...

VIENNA, July 16 (Xinhua) -- Bashir Bayo Ojulari, CEO of the state-run Nigerian National Petroleum Corporation (NNPC), hailed China's clean energy development and the country's role in driving world ...

Per la morte di Aurora Maniscalco, hostess palermitana di 24 anni precipitata dal terzo piano a Vienna, al fidanzato 27enne è ...

如图所示，是三相 vienna pfc 拓扑的主电路，大致如下： 1. 三相二极管整流桥，使用超快恢复二极管或 sic 二极管； 2. 每相一个双向开关，每个双向开关由两个 mos 管组成，利用了其固有的反并联体二极管，共用驱动信号，降低了控制和驱动的难度。

OPEC Secretary General Haitham Al Ghais said that OPEC believes each country has its own path toward energy transition, and there is no one-size-fits-all solution. "The energy pie is growing. The mix ...

Tehran/Vienna, June 25 (UNI) International Atomic Energy Agency (IAEA) Director General Rafael Grossi said today that nuclear inspectors must return to Iran’s nuclear facilities as soon as possible, e ...