Methods and means of controlling the tribological characteristics of lubricants are presented. The advantages and disadvantages of four-ball and three-ball friction machines are considered. The analysis of factors influencing the intensity wear of the tribological conjugation of friction units is carried out. The research results of commercial and working motor oils are presented and their tribological properties are evaluated by the method of controlling the wear resistance of friction pairs.
УО "Витебский государственный медицинский университет», г. Витебск (1) Государственное учреждение «Республиканский научно-практический центр психического здоровья», г. Витебск (2) Произведен анализ и выявлены наиболее типичные актуальные социальнодемографические факторы для девочек-подростков в возрасте 14-18 лет из Республики Беларусь, имеющих проблемы алкогольного аддиктивного поведения. Определены основные социальные паттерны, ассоциированные с алкогольным аддиктивным поведением и прогностическая социальная модель риска у данного контингента. Полученные результаты могут помочь в разработке эффективных адресных профилактических мероприятий. Ключевые слова: алкоголь, девочки-подростки, социально-демографические факторы.
The results of a study of the thermal-oxidation stability of motor oils are presented. The experimental data were obtained and analyzed by means of regression analysis, and graphical dependencies were constructed that clearly demonstrate the reaction of the lubricant to changing environmental conditions and with the help of which it was established that it is possible to determine the temperature of the onset of oxidation processes and temperature conversions, as well as their critical temperatures. As a criterion for evaluating thermal-oxidation stability, a coefficient of thermal-oxidation stability is recommended, taking into account the optical density and volatility of the oil. It shows the effectiveness of the method of predicting the performance indicators of a lubricant among existing research techniques.
В статье приведены данные о психических нарушениях при коронавирусной инфекции и постковидном синдроме (U09.9). Сделан литературный обзор эффективности антидепрессантов различных групп в лечении коронавирусной инфекции. Описаны особенности мультимодального антидепрессанта вортиоксетин как в рамках коронавирусной инфекции, так и при изолированных расстройствах депрессивного спектра. Сделаны выводы о потенциале антидепрессантов в терапии депрессий при инфекции COVID-19.
The article provides data on mental disorders in coronavirus infection and COVID syndrome (U09.9). A literature review about the effectiveness of antidepressants of various groups in the treatment of coronavirus infection was made. The features of the multimodal antidepressant vortioxetine are described both within the framework of coronavirus infection and in isolated disorders of the depressive spectrum. The conclusions are drawn about the potential of antidepressants in the treatment of depression in COVID-19 infection.
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