23 citations · 23 across the 3 of their papers we have counts for
3 papers
physics.ins-det2016
A Five-Freedom Active Damping and Alignment Device Used in the Joule Balance
Jinxin Xu, Qiang You, Zhonghua Zhang +2
Damping devices are necessary for suppressing the undesired coil motions in the watt/joule balance. In this paper, an active electromagnetic damping device, located outside the mai…
physics.ins-det2014
The Improvement of Joule Balance NIM-1 and the Design of New Joule Balance NIM-2
Zhengkun Li, Zhonghua Zhang, Qing He +8
The development of the joule balance method to measure the Planck constant, in support of the redefinition of the kilogram, has been going on at the National Institute of Metrology…
physics.ins-det2014★ 23 cited
Progress on accurate measurement of the Planck constant: watt balance and counting atoms
Shisong Li, Zhonghua Zhang, Wei Zhao +2
The Planck constant is one of the most significant constants in quantum physics. Recently, the precision measurement of the numeral value of has been a hot issue due to its…