By using this new process the end product can he obtained with high yield and excellent purity. Tar formation and reaction time can he also reduced thus increasing the economic, results greatly.
采用新的工艺方法,可以高收率地得到高纯度的目的产物,减少焦油的生成量和缩短反应时间,因而可大大提高经济效益。
A new technology for synthesis of N-acetyl-imidazolidone-2 as studied in this paper. The main factors which affect the yield of the product were discussed in detail.
研究了合成n—乙酰基—2—咪唑烷酮的新工艺,详细讨论了影响产品收率的主要因素。
New type liquor had the advantages of soft and clear liquor taste, transparent in color, high liquor yield, high plasticity, and high quality product rate etc.
新型白酒具有酒质柔和、爽净、甘洌,酒体清澈透明,可塑性强, 出酒率高、优质品率高等特点。
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