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铝面变色的研究 被引量:1
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作者 胡平瑞 胡存恕 《中国照明电器》 2000年第8期9-11,共3页
关键词 铝面变色 飞机着陆灯 跟踪试验
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Effect of the Thickess on Color of Porcelain Laminate Veneer 被引量:1
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作者 陆支越 章非敏 殷新民 《Journal of Nanjing Medical University》 2003年第2期74-77,共4页
Objective : To evaluate the color change of the two-layer porcelain laminate veneer after adding veneering porcelain of different thickness to the 0. 2 mm thick aluminum oxide. Methods : Ten aluminum oxide disks were ... Objective : To evaluate the color change of the two-layer porcelain laminate veneer after adding veneering porcelain of different thickness to the 0. 2 mm thick aluminum oxide. Methods : Ten aluminum oxide disks were randomized into 2 groups. Each of five disks was veneered with Vita Lumin Shade 54 porcelain of thickness 0/0.4 mm and 0. 6 mm respectively. The L'a'b* color notations of the substrate covered with nan-veneered disks and 2 thickness porcelain veneered disks were measured separately and the color differences (AE) were calculated. Results ?Statistically significant differences in color coordinates of dark substrates were recorded after the substrate was covered by an aluminum oxide disk and also after the addition of veneering porcelain to the aluminum oxide disks in group 1 (P=0. 000 2) and group 2(P=0. 007 5) and between 2 groups (P=0. 000 1). Conclusion -The ability of masking underlying discoloration was increased and shifted to gray when the thickness of veneering porcelain increased. 展开更多
关键词 porcelain laminate veneer thickness COLOR
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