Abstract Phase diagrams of systems composed of polyethylene (glycol) (PEG) 1500 + sodium citrate + water and PEG 4000 + sodium citrate + water were determined at temperatures of (10, 35, and 45) °C ...

This paper studies a single-server queueing system with feedback and Erlang distributed service time. Customers arrive according to a Poisson process. Customers' service time distribution is an r-th ...

The paper is devoted to the development of the scientific foundations of automation of the process of ultrasonic spraying and indirect control of the thickness (mass) of the layer of sprayed liquid on ...