As the opaque thickness increased, the color of restoration based on Ni-Cr and noble metal increased but the color of restoration based on gold sediment decreased.
随遮色瓷厚度的增加，以镍铬合金与贵金属合金为基底的修复体彩度增加，金沉积为基底的修复体彩度略有下降。
Objective: To investigate the effect of firing number on the color of Au-Pt alloy porcelain and Ni-Cr alloy porcelain.
目的：探讨烧结次数对金铂合金烤瓷及镍铬合金烤瓷颜色的影响。
This paper describes the pretreatment technology without cr for color coated strip steel and contrasts it with other pretreatment technology.
介绍了彩色涂层带钢无铬预处理工艺及与其它预处理工艺的对比。
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