Effects of process conditions such as different curing temperature, curing time, starting reaction temperature and casting flaw on polyurethane elastomers mechanical properties are investigated.
研究了工艺条件(不同固化温度、固化时间和初始反应温度)以及浇注成型产生的缺陷对聚氨酯弹性体力学性能的影响。
To synthesis of Alkanolamide from the peanut-oil Acid methyl Ester. Some influences of starting burden, reaction temperature and time were discussed.
本文用花生油经甲酯化后，直接与二乙醇胺缩合制备烷醇酰胺，并讨论了反应条件如原料配比、反应温度和时间对产品性能的影响。
To synthesis of Alkanolamide from the peanut-oil Acid methyl Ester. Some influences of starting burden, reaction temperature and time were discussed.
本文用花生油经甲酯化后，直接与二乙醇胺缩合制备烷醇酰胺，并讨论了反应条件如原料配比、反应温度和时间对产品性能的影响。
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