| cementum |
outer surface of a tooth's roots.
출처: www.deborahbeatydds.com/services/glossary/
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| cement |
The gray powder that is the "glue" in concrete. Portland cement. Also, any adhesive.
출처: www.sagewoodhomes.com/index.cfm
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| cement |
Natural or synthetic material that binds rock particles together. In sedimentary rocks this may be silica, carbonate, clay or iron oxide.
출처: www.shef.ac.uk/architecture/main/gallery/gal/diplo...
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| cement |
This is both natural and artificial; the first is that which acts in the formation of the Marble, joining together the different parts; the second is composed by the Marble workers for uniting and gluing the Marbles when worked, and for filling the cavities which are found in some stones and Marbles.
출처: www.cagenweb.com/quarries/articles_and_books/marbl...
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| CEM |
Certified Energy Manager, international professional designation available through training and testing by the Association of Energy Engineers (AEE) CFC (chlorofluorocarbon) - A family of chemicals used as refrigerants that is being tightly regulated and phased out of production due to stratospheric ozone depletion potential. Examples: R-11, R-12, R-113, R-114, R-115.
출처: www.think-energy.net/energy_glossary.htm
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