Some method about synthesis of piperazine with aliphatic amine were introduced.
介绍了由脂肪胺合成哌嗪的几种方法.
Principles of hindered amine adduct, performances and application processes of resulted aliphatic polyurea paints are introduced.
详述了受阻胺加合物的原理以及由此制成的脂肪族聚脲涂料的性能和施工方法.
简答网 · 双语娱乐资讯
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