本文研制了一套高精度振动弦粘度计,测量不确定度为士2%.用新研制的粘度计,对293.15～383.15 K温度区间内的甲基叔丁醚(methyl tert-butyl ether,MTBE)饱和液相粘度进行了实验研究.利用本文实验数据拟合了甲基叔丁醚饱和液相粘度方程,方程和实验数据的平均和最大相对偏差分别为0.49%和1.21%,可以满足工程实际应用.
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