逐步重新定义SI基本单位
Stepwise redefinition of the SI base units
摘要：
建议分两个阶段重新定义国际单位制的四个基本单位：首先定义千克、摩尔和安培，然后定义开尔文。为了实现用基本物理常数（FPC）重新定义SI的基本单位，提出了它们的物理尺寸重合原则。直接应用这一原则将导致新国际单位制中基本单位集和导出单位集的变化。如果我们想保持新SI和当前SI中基本单位和导出单位之间划分的连续性，则应将该原则推广为包括时间维度因子。摩尔作为基本计量单位的地位在现行和新的国际单位制中得到考虑。建议在提高玻耳兹曼常量的测量精度并使其与分子物理学的其他常数的值一致后，用阿伏伽德罗常数的固定值重新定义千克，然后重新定义开尔文。
英文摘要：
The four SI base units are proposed to be redefined in two stages: first, the kilogram, mole and ampere should be defined, and then the kelvin. To realize the redefinition of a base unit of the SI in terms of fundamental physical constant (FPC), a principle of coincidence of their physical dimensions is put forward. Direct applying this principle will lead to the changing of the sets of base and derived units in the new SI. If we want to preserve the continuity of the division between base and derived units in the new and the current SI, the principle is to be generalized with the time dimension factor be included. The status of the mole as the base unit of measurement is considered in the current and new SI. It is proposed to redefine the kilogram using a fixed value of the Avogadro constant and then to redefine the kelvin, after the measurement accuracy of the Boltzmann constant has been increased and agreed with the values of other constants of molecular physics.
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