The molar ratio of isobutyl alcohol to oil,time of reaction,catalyst amounts and variety of catalysts were discussed,and the content of isobutyl fatty acid ester was confirmed by the difference of kinematic viscosity under various conditions.
研究植物油在NaOCH3或NaOH作用下与异丁醇进行醇解反应的过程,讨论醇油摩尔比、反应时间、催化剂用量和催化剂品种对反应的影响,通过不同反应条件下运动粘度(20℃)的变化来考查生成脂肪酸异丁醇酯的含量,由原植物油与醇解产物运动粘度、闪点、凝点的差异反映醇解反应过程的进行。
The liquid kinematic viscosity of the binary mixtures of methanol and castor oil are reported over the temperature range from 243～353 K made with a calibrated Ubbelohde-type capillary viscometer.
2的甲醇与蓖麻油混合物的运动粘度进行了实验研究,运动粘度测量结果的不确定度为1。
In this article, the variations of the kinematic viscosity and the index of refraction in weathering process of oil spilled were discussed.
主要对海面溢油风化过程中溢油的运动粘度和折射率的变化进行了探讨。