Ice detecting and measuring technologies used and developed for high voltage transmission lines are introduced in this paper. The Icing Rate Meter developed by
【正】At the end of the last century, Ertan Hydropower Station, China’s largest one in the 20th century, was built on Yalong River. This started the hydro ener
In order to effectively control the acid rain and SO.pollution in the “two controls” regions, the State Environ-mental Protection Administration (SEPA) will t