Aluminium, parallel beam construction. 、 ,. . The coating is applied on the surface of the rolled, pressed aluminium plates. 、 . . Economizing on electricity in aluminium electrolysis is one of main research directions in ...
Iron and aluminum compounds precipitate as a voluminous sludge. . Selenium and aluminum are found in vanishingly small concentrations within living things. . The aluminum sheets cannot be too much thicker than 0.04 inches. ...
Aluminum | Uses, Properties, & Compounds | Britannica
aluminum (Al), also spelled aluminium, chemical element, a lightweight silvery white metal of main Group 13 (IIIa, or boron group) of the periodic table. Aluminum is the most abundant metallic element in Earth’s crust and the most widely used nonferrous metal. Because of its chemical activity, aluminum never occurs in the metallic form in nature, but its