用生产聚乙烯醇副产的醇解回收液合成N-乙酰乙醇胺的新方法研究
용생산취을희순부산적순해회수액합성N-을선을순알적신방법연구
Study on a new synthesis of N-acetylethanolamine by vice mixture from alcoholysis of PVAc in the production of polyoinyl alchol
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