December 31, 1997, China Light Industry Association, the State Economic and Trade Commission, the Ministry of Internal Trade, Ministry of Foreign Trade and Economic Cooperation, the State Administration for Industry and Commerce, State Environmental Protection Bureau, General Administration of Customs, State Bureau of Technical Supervision, the National Progressive export commodity inspection bureau, etc.
Nine ministries jointly [...]
Posts Tagged ‘inspiron 4100 battery’
Government restricted mercury-containing batteries in 2001
March 11th, 2009
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The kinds of fuel cell
February 26th, 2009
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At present, there are five kinds of known types of fuel cells. Its name and adopted the corresponding electrolyte relevant.
(1), alkaline fuel cell (AFC) using potassium hydroxide solution as electrolyte. The efficiency of this electrolyte (up to 60 1 90%), but affected the purity of the impurities, such as carbon dioxide is very sensitive. [...]
