YI Kamenskih, SV Medvedevskih… - Measurement …, 2023 - Springer
This article details the combined efforts made by national metrological institutes for the phased distribution of the mass unit that can be traced to the Planck constant, a fundamental …
LS Chao, JR Pratt - US Patent 11,187,571, 2021 - Google Patents
An absolute mass balance determines an absolute mass of an object and includes: a dual diameter wheel including: a balance fulcrum; and a balance beam disposed on the balance …