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Both are derived notions, meaning that they are defined in terms of fundamental quantities.
One key development in the early history of mechanics was the realization of the need to settle on a set of fundamental quantities.
Perturbation methods are part of the reactor physics foundation devoted to the study of fundamental quantities used in design and safety analysis of nuclear reactors.
Spectroscopy of muonium and muonic atoms gives unmatched determinations of fundamental quantities including the magnetic moment ratio μμ/μp, lepton mass ratio mμ/me, and proton charge radius rp.
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This chapter explains the difference between displacement power factor (DPF) - pertaining to fundamental quantities only- and the concept of the total power factor (TPF) - pertaining to fundamental and harmonic quantities.
The calculation of the fundamental quantities relies heavily on knowledge of the magnitude of electron-collision cross sections, as virtually all physical processes in the discharge are determined or initiated by electron motion through the gas.
From this viewpoint, the general statistically stable properties of cities emerge as a hierarchy of interrelated fundamental quantities.
In conventional torsional vibration measurement, knowledge of two fundamental quantities is needed: a torque applied to the system and the angle of twist thus produced, which are both difficult to measure in experiment.
One of the most fundamental quantities to assess the equilibrium frequency of infections in the population is the R0 of the infectious agent.
Principal component analysis seeks linear combinations of variables that represent underlying fundamental quantities of which the observed variables are expressions.
Gravity's strength, a number called Big G, is perhaps the most elusive of all the fundamental quantities.
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