Coefficient of linear expansion of metal and density of liquid are measured by the experiment device which is composed of AC bridge and Joly spring balance.
利用交流电桥和约利弹簧秤组成实验装置,测量了金属的线胀系数和液体的密度。
The coefficient of linear expansion of the body and glaze, the melting temperature range, the whiteness, the microhardness and the heat stability of glaze were tested.
测试了基体和熔块的线膨胀系数、釉的熔融温度范围、釉面的白度、显微硬度和热稳定性等性能。
The measurement of micro deformation is the key in Youn Modulus and linear expansion coefficient experiments.
在杨氏模量、金属线胀系数实验中,微小形变量的测量是关键环节。
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