| aluminum |
Aluminum frames are strong and durable. Aluminum maintains its strength, offers low maintenance and resists warping. Aluminum frames and sashes must be designed with thermal breaks to reduce conduction heat loss. Use the ER number to assess the effectiveness of the thermal break.
출처: oee.nrcan.gc.ca/publications/infosource/pub/renova...
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| alumina |
Al 2 O 3 A refractory . Alumina Hydrate is often used to coat kiln bats stopping glazes running and adhering pots to the bats. As a bat wash small additions of a plasticizer such as bentonite or china clay allow easy application.
출처: www.ruffordcraftcentre.org.uk/ceramic/glossary/glo...
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| alum |
An astringent crystalline substance used in rosin sizing to hold paper fibers together and responsible for introducing acid into the paper.
출처: www.nationalartandhobby.com/Paper%20Terms.htm
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| aluminum |
A very hard, protective, and decorative aluminum finish. A sulfuric acid bath is used in an electro-chemical process to convert the surface of an aluminum object to aluminum oxide. Depending on the particular process used, oxide may also be applied on top of the surface
출처: www.tedgodfreys.com/1-GLOSS.html
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