The process of carbonation conversion lead smelting is shown in the figure below. The lead ore is firstly introduced into air or oxygen at 50-60 ° C in ammonium carbonate solution, and stirred vigorously for several hours. Most of the lead …
According to Chinanews.com, on June 7, Baidu signed a cooperation agreement with Desaixiwei, United Automotive Electronics, Hangsheng Electronics, Botai Electronics and other leading auto parts manufacturers, and will join…
The State is speeding up the development and development of new energy automotive industry and promoting industrial transformation and upgrading. On the 14th, the reporter learned from the Municipal Economic and Information Commission that “Qingdao New Energy…
With the rapid development of national economy, gold demand increases rapidly, increasing production in 2006, China's gold output reached 110t. However, each treatment of 1t gold ore requires 3t of water and nearly 2…
Recently, Bosch Automotive Components (Nanjing) Co., Ltd., which is invested by the world’s top 500 German Bosch Group in Nanjing Economic and Technological Development Zone, was completed and is expected to officially start operations in Marc…
Teljia released its mid-year report that revenue and net profit fell in the first half of 2012. Due to the poor performance, the company’s former director and the first major shareholder, Ling Zhaowei, continued to reduce their holdings and resigned. The stock price of the com…