Web21 jul. 2024 · 化工词汇acetateyarnaceticacidacetone丙酮acetylchemicalsacrylonitrile丙烯腈amorphouspolyolefins无结晶聚烯烃benzenebiodegradablepolyesters生物裂解 ... Web27 feb. 2024 · In the lithium porcelain stone, 0.1-0.2% Li2O is introduced into the glass. A large number of experimental and technical literatures at home and abroad have proved that replacing the Na2O with a small amount of Li2O in the glass can improve the water resistance of the glass because the Li ion has a small radius and an electric field.
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http://www.ysfrit.com/news/the-benefits-of-lithium-porcelain-stone-in-the-21257935.html Web1 sep. 2016 · Polymeric-based CAD/CAM materials showed significantly higher mechanical properties compared to conventional temporaries 1-5 and can be used for long-term restorations. 6 Standard monolithic CAD/CAM materials for permanent restorations contain lithium disilicate glass ceramics, 7-9 feldspathic silicate ceramics, 10 and feldspar … hopetoun wa 6346 hotel
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