BACKGROUND The rapid expansion of online video gaming as a leisure time activity has led to the appearance of problematic online gaming (POG). According to the literature, POG is associated with different psychiatric symptoms (eg, depression, anxiety) and with specific gaming motives (ie, escape, achievement). Based on studies of alcohol use that suggest a mediator role of drinking motives betw...

The scientific objective of the Mars Surveyor Program 2005 mission is to return Mars rock, soil, and atmospheric samples to Earth for detailed analysis. The present investigation focuses on design of Mars Ascent Vehicle for this mission. Aerodynamic, aerothermodynamic, and trajectory design considerations are addressed to assess the ascent configuration, determine aerodynamic stability, charact...

It is difficult to imagine modern science, industry, and economics without mass measurements in a wide range: from few tenths of milligram up hundreds or even thousands tons. So, Ukraine, this case, not an exception. National medicine, other fields activity increasingly feel the need for reliable traceable results range more than 1 kg. Considering this, national standard unit 2 kg 20 was establ...

In this article, winter wheat varieties “Andijan-2” and “Andijan-4” were fed with mineral fertilizers under the conditions of irrigated, salinized, light gray soils different degrees salinity in Syrdarya region Uzbekistan. Compared to control option, volume mass soil increased by 0.02-0.03 g/cm 3 , porosity decreased 0.4-1.2%, water permeability 3.8-23.6 m /ha. Depending on level salinity, it w...