Lubricating greases are special lubricants with a short shifter rsx wide range of application.The tribologically stressed grease is used as tribological system and finally modeled as an open thermodynamic system.This study investigated the phenomenon of self-optimization and applied to the process of shearing a grease.The conditions for self-optimi
Social anxiety is one of the barriers for children to interact in the social environment.The purpose of this study was to identify the level of social anxiety of adolescents (orphanage/fosterage children) and to reveal how the care provided by the orphanage coaches towards social anxiety problems.This research is a quantitative descriptive study wi
Between 12 and 19 July 2021, a quasi-stationary atmospheric low-pressure system named Bernd caused intense precipitation on already-saturated soil, resulting in severe flooding in Germany, Belgium, and the Netherlands.The Ahr Valley in Rhineland-Palatinate was particularly affected, with approximately 42 000 residents impacted, around 8800 building
Background.The purpose opi all your dreams in vending machines of the study is to investigate the effect of COVID-19 on the structure of endometrium in women who underwent spontaneous early terminationof pregnancy.Materials and methods.Thirty women of childbearing age who had spontaneous abortion and COVID-19 at least 12 months before pregnancy par
Abstract The main advantages of microneedles are precise drug delivery through human skin, minimal tissue damage and painlessness.We conducted structural analysis and skin puncture studies of hollow microneedles using ANSYS for three materials: Hafnium Dioxide (HfO2), Polyglycolic acid (PGA) and Polylactic acid (PLA).Firstly, we selected three leng