phase shift 3 - 2 621.313 2 optical potential 2 оптичний потенцiал 2 фазовий зсув 2 621.92 1 681.3 1 681.586 1 Ramsauer–Townsend minimum 1 angular displacements 1 asymmetry 1 circular discrete convolution 1 critical minimum 1 dielectric nonlinearity 1 differential and total cross-sections 1 differential cross section 1 electric 1 ferroelectric 1 ferroelectric phases 1 ferromagnetic elements 1 independent-atom model 1 induction electric drive 1 induction motor 1 induction sensor 1 integral cross section 1 iнтегральний перерiз 1 load mode 1 magnetic and energy parameters 1 mathematical method 1