| aluminium |
A lightweight silvery grey metal, atomic number 13, atomic weight 26.981538, specific gravity 2.7; discovered in 1825, and used for coins, usually as an alloy, since about 1900.
출처: www.24carat.co.uk/numismaticterms.html
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| alum |
Aluminium sulphate (Al 2 (SO 4 ) 3 ): the most widely used coagulant throughout the world.
출처: www.who.int/docstore/water_sanitation_health/watre...
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| aluminum oxide |
The oxide of aluminum is popularly used for a variety of atomic layer deposition applications. Its advantages in use include low leakage, excellent thermal stability, moderate dielectric constant and high breakdown voltage. back to top
출처: www.genus.com/glossary.html
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| aluminum |
Chemical symbol Al. Silvery white metal; ductile with tensile strength and malleable; resistant to corrosion, but can be attacked by acids and alkalis; good conductor of electricity. Lightweight, strong metal produced from alumina, which is processed from bauxite ore. Commercial use is only 100 years old, yet the metal is second only to steel in tonnage consumed annually. Used extensively in articles requiring lightness, corrosion resistance, or electrical conductivity. ...
출처: www.rollformedshapes.com/metalterms.htm
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| alum |
alum and was used as an astringent in mouthwashes and gargles, dermatological preparations and as the styptic in styptic pencils.
출처: www.antiquebottles.com/apothecary/glossary.html
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