The pulse pneumatic conveying system has been a important transporting method for grain material, because of lower velocity, higher ratio of blend and a littler gas, as well as shattering less materiel, abrasing pipeline and easy recovery
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Electrically powered dental amalgamators
Natural gas - determination of mercury - sampling of mercury by amalgamation on gold platinum alloy
By using of xrd, mercuiy intrusion porosimetiy, sorption isotherms, micro - hardness and so on, effects of ratio of water and binding materials and of type and content of fine mineral additives on composition, pore structure and interface structure have been studied in this paper