In this paper, the physical meaning of zero point of charge measured by acid -base potentiometric titration (PT) is discussed and it is considered to be zero point of net charge (ZPNC).
探讨了电位滴定(PT)法测定的零电荷点的物理意义，认为是零净电荷点(zpnc)。
The on-site test results indicate that energy meter's neutral point virtual connection has a great effect on PT secondary voltage drop.
基于对称分量法，对电能表中性点虚接后的电压互感器二次压降进行了分析，得出了正确接线前后的计量误差变化量。
The melting process of Pt nanoparticle starts from the surface into the interior. Finally, it becomes a disordered liquid when the temperature reaches the melting point.
纳米粒子的熔化是从表面层开始的，并随着温度的升高，熔化的表面层会逐渐向内部扩展，最终导致纳米粒子整体转变为液态结构；
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