| crystallization |
An undesirable, but preventable formation of tiny crystals in the uncured nail coating that usually results from unusually cold temperatures or drafts. Liquid will actually freeze and turn into a solid before it polymerizes with the powder (polymer).
출처: www.hooked-on-nails.com/NailTerms.html
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| crystallization |
Deterioration of plastic parts on pens. Crystallization is most common on the translucent ends of the Waterman Hundred Year pen, and on some Wahl- Eversharp Dorics.
출처: www.penlovers.com/res_gbody.htm
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| crystal |
The cover over the watch dial is called the crystal. There are three types of crystals commonly used in watches: acrylic crystal is an inexpensive plastic that allows shallow scratches to be buffed out. Mineral crystal is composed of several elements that are heat-treated to create an unusual hardness that aids in resisting scratches. Sapphire crystal is the most expensive and durable, approximately three times harder than mineral crystals and 20 times harder than acrylic crystals. ...
출처: www.onlinebrandwatches.com/watch-glossary.html
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| crystalline lens |
The natural lens of the eye, located behind the pupil, which helps bring rays of light to focus on the retina. The original state of the lens is transparent, but the lens becomes cloudy with age.
출처: www.ascrs.org/eye/gloss.html
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| crystallization |
Process by which a polymer can form a geometrically regular (ordered) structure to produce a more stress resistant, dimensionally stable polymer that its non-crystalline counterpart.
출처: www.ampef.com/gloss.html
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