Physical and mental effects stemming from COVID-19 have impacted not only people’s lives but also the lives of their pets, which in recent years are often seen as members of the family.This study aimed to explore the impact of the COVID-19 pandemic in Japan on pets and their owners.Participants reported changes in physical activity and mental hea
A solution by the self-adjoint operator method (SAO) (still not widely used in engineering) is presented for a lumped parameter model (LM) of a co/counter-current, indirect heated, diluted, tubular, vertical moving bed heat Hair Clips exchanger (MBHE), with heat loss to surroundings.The self-adjoint formulation of the problem and several mathematic
The ball joints of vehicles are referred to the steering and suspension critical units.Strength calculation of the ball pin under static loading is usually performed in the practice of designing these units.In the article, the ball joint is considered as a tribo-fatigue system in which the zones that are dangerous in terms of bending stresses and w