Coefficientoflinearexpansion 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。
2
The coefficientoflinearexpansion 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。
3
The theory and feasibility is analyzed, for measuring LinearExpansionCoefficientof high temperature material by moiré interferometry.