A polyurethane (PU) rigid foam was prepared, using PAPI and the polyether polyols deried from starch ethylene glycol glycoside (EGG) as the main materials, and the foaming processing was studied.
以淀粉乙二醇糖甙聚醚、多苯基多次甲基多异氰酸酯(PAPI)为主要原料，对聚氨酯硬质泡沫塑料的发泡工艺进行了研究。
Gently fold beaten egg white foam into egg yolk batter until blended.
把蛋白霜分次加入蛋黄面糊中，轻轻拌均匀成面糊。
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