The solar cell is based on the photoelectric effect of semiconductor materials, the energy conversion device. Solar photovoltaic effect: the assumption that the light on the solar cell and light at the interface layer is accepted, the photon with sufficient energy can be aroused from a covalent bond in the electronic P type and N type silicon in silicon, resulting in electronic attack hole pair. The electrons and hol...

Wind energy is a renewable and clean energy source. In the past 30 years, great progress has been made both in theoretical research and applied research in the field of wind energy utilization in the world. The wind power generation technology is improving day by day, and the maximum rated power of the grid connected type wind turbine generator has reached 5MW, and the impeller diameter reaches 126m. As of 2005, the ...

China National Electric Co., Ltd. is located in the town of Shenmu in Shaanxi province. It is adjacent to the world-famous Dongsheng coalfield in the state of God. Its installed capacity is 2×, and 100MW. The company is by Beijing Guohua Power Company Limited and Hongkong well-known listed companies, has hundred years history of the development of the Chinese electric power (China) thermal power enterprise coope...

The Three Gorges hydropower station, namely the Three Gorges water control project, is also called the Three Gorges project. The Xiling gorge section of the Yangtze River and the Gezhouba Dam hydropower station in the lower reaches of Yichang, Hubei, China constitute a cascade hydropower station. The Three Gorges hydropower station is the largest hydropower station in the world and the largest construction project ev...

Qinshan nuclear power station is the first 300 thousand KW PWR nuclear power station designed, constructed and operated in China. It is located in Haiyan County, Jiaxing City, Zhejiang province. By China National Nuclear Corporation 100% holding, Qinshan nuclear power company is responsible for operation and management. Qinshan nuclear power station adopts the currently mature pressurized water reactor in the world. ...

The National Stadium (Bird's Nest) is located in the southern part of the Beijing Olympic Park, the main stadium for the 2008 Beijing Olympic games. The total project covers an area of 21 hectares, the audience seating for 91000. They held the opening and closing ceremonies, the track and field competitions, and the football finals of the Olympic Games, paralympics. After the Olympic Games, it became a large professi...