目的：观察义齿基托树脂断面丙酮化学处理对树脂粘接修理后的弯曲强度的影响。
Objective: TO investigate the effect of etching acrylic resin by chemical surface treatment on repair strength.
碳纤维布经过表面处理后与聚苯硫醚的粘接强度大大提高，其中用丙酮浸泡的效果好于高温热处理；
After the carbon fiber's surface treated, the interfacial adhesive strength of the composites increased greatly and the effect of treating with acetone is better than that with heat.
结论：丙酮化学处理树脂断面可提高义齿基托修理后的抗弯强度。
Conclusions: Treating the fractured surface of the acrylic resin denture base chemically with acetone can improve the repair strength efficiently.
该饲料添加剂由丙酮酸盐、钙盐和除去蛋壳后的禽蛋组成；所述禽蛋经真空干燥处理。
The feed additive consists of pyruvate, calcium salt and poultry eggs of which eggshells are removed, wherein the poultry eggs are subjected to vacuum drying treatment;
该饲料添加剂由丙酮酸盐、钙盐和除去蛋壳后的禽蛋组成；所述禽蛋经真空干燥处理。
The feed additive consists of pyruvate, calcium salt and poultry eggs of which eggshells are removed, wherein the poultry eggs are subjected to vacuum drying treatment;
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