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水银熔化曲线在高压计量方面是非常重要的,因为:1.水银容易得到,并且纯度可控制;2.水银熔化的动力学特性明确且为人们所熟知;3.活塞压力计适用于1400MPa 以内的压力测量。这个压力范围在水银熔化曲线上所对应的温度为-38～32℃。温度容易控制和测量到0.001℃程度;
Mercury melting curve is very important in high pressure measurement, because: 1. Mercury is easy to get, and the purity can be controlled; 2. The kinetic characteristics of mercury melting are well known and well known; 3. The piston pressure gauge is suitable for 1400MPa Pressure measurement. This pressure range in the mercury melting curve corresponding to the temperature of -38 ~ 32 ℃. Easy to control the temperature and measured to 0.001 ℃ degree;