< p> Although the energy band structure of an amorphous silicon battery is similar to that of crystalline silicon, due to the lack of a long sequence of atomic arrangement, there is no vertical or non-vertical transition for photo-excited electronic transitions, so its light absorption coeffici
Read more“How many illegal outdoor advertisements are in Guangzhou, we are still checking. At present, there are more than 1,300 pieces that do not meet the specifications for outdoor advertising. According to the planning, implementation, and finishing, we will issue a timetable and press the news. R
Read moreFor Yu Yong, the “new head of Hebei Iron and Steel Groupâ€, the largest steel company in China, the biggest problem facing him now is how to fulfill his commitment to “completely turn losses in 2014 and fully profit in 2015†after he took office. As a result, Hebei Iron and
Read more[Author: Dr. Engineering Industry Research Institute Xiaofei] 2013 was an exciting year, due to the rapid development of the lighting industry, driven by the middle and lower reaches capacity into full play, let the excess capacity has slowed. 2013 is also a year of great anxiety for the industry.
Read moreAs a search engine, Yahoo has fallen to the third place in the market, and its gap with the previous two search engines, namely Google and Microsoft, is quite large. According to statistics, Yahoo’s share of the US search market last month was only 11.1%, while Google and Microsoft
Read moreWith the improvement of RGB LED packaging technology, the resolution of the display market has increased, and with the demand of international sports events, LED factories have been targeting the display market. Taiwan's LED packaging factory Hongqi actively launched RGB LED products in 2013. T
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