The morphology of austenite dendrites in shrinkage porosity in nodular iron is displayed by the color etching technique and the formation mechanism of shrinkage porosity has been analyzed.
采用着色腐蚀技术，金相显示了球墨铸铁缩松区中奥氏体枝晶组织形貌，分析了球铁缩松的形成机制。
Objective This study was to evaluate the influence of incorporation of inorganic antibacterial agents on bonding characteristics and color stability of an experimental self-etching primer ESP.
目的：测试无机抗菌剂的添加对新型自酸蚀处理剂ESP黏结性能和颜色稳定性的影响。
Processing: etching, incised, corrosion intaglio bottom concave, convex, word word etching paint, color code, color card stickers.
加工方式：蚀刻、阴刻、蚀凹纹底、凹字、凸字蚀刻烤漆、上色、卡典贴色。
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