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Riemann–Hilbert problems for the system of string vibration equations in a domain with a characteristic part of boundaryFor the simplest hyperbolic system of string vibration equations in a special admissible domain

Analytic continuation of the Appell function F 1 and integration of the associated system of equations in the logarithmic case corresponding system of partial differential equations are considered in the logarithmic case when

Bethe logarithm for the helium atomThe Bethe logarithm for a large set of states of the helium atom is calculated with a precision

Bounds on the rate of convergence for one class of inhomogeneous Markovian queueing models with possible batch arrivals and services, and additionally possible batch arrivals and batch service. A unified approach based on a logarithmic norm

An experimental study of dependence of hydro turbine vibration parameters on pressure pulsations in the flow path of low-frequency vibrations on flow pressure pulsations in the hydraulic unit was established

Оценка состояния технических объектов по параметрам вибрационного сигнала. The aim of the research presented in this work is to develop a new method for processing a vibration

Aimed control of the frequency spectrum of eigenvibrations of elastic plates with a finite number of degrees of freedom of masses by superimposing additional constraints for the rods, the introduction of each of which does not change any of the modes of natural vibrations

A mathematical model of vibration combustion in a tube with sudden cross-section changeThe theoretical study of vibration combustion using a model of the pulsejet engine was carried out

System for measurement and control of drill string vibration string vibration. A system for active measurement and control of drill string vibration is presented

Physical basis of rolling bearing vibration formation of structural of vibration of rolling bearings, caused by the different dimensions of the rolling elements and increased

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