A device for determining molar mass with freezing point depression was improved, which consists of the Dewar bottle, sample container, Beckmann thermometer, and motor stirrer.
介绍一个改进的凝固点下降法测定摩尔质量实验装置，它由保温瓶、凝固点杯、贝克曼温度计、电动搅拌器等几部分构成。
Magnetic Heated Stirrer adopts fine direct current motor and has the advantages of low noise, stable adjusting speed, big moment. Totally enclosed heating tray is used for auxiliary heating purpose.
磁力加热搅拌器采用优质直流电机，噪音小，调速平稳，力矩大等优点，全封闭式加热盘可作辅助加热之用。
Magnetic Heated Stirrer adopts fine direct current motor and has the advantages of low noise, stable adjusting speed, big moment. Totally enclosed heating tray is used for auxiliary heating purpose.
磁力加热搅拌器采用优质直流电机，噪音小，调速平稳，力矩大等优点，全封闭式加热盘可作辅助加热之用。
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