This paper presents the impact of coating topography in piston ring-liner conjunction under mixed regime of lubrication using low viscosity oils.The study provides a time efficient analytical model including mixed-hydrodynamics regime of lubrication under different contact conditions.The method modified the expressions of the contact load and area
The article presents the results of an empirical study comparing the socio-psychological adaptation of migrant children and local children studying in secondary school No.20 of Penza.A theoretical analysis was carried out and the problem of adaptation of migrant children at school was justified.Through theoretical analysis, it has been established
Effective antimicrobial strategies are essential adaptations of insects to protect themselves, their offspring, and their foods from microbial pathogens and decomposers.Larvae of the emerald cockroach wasp, Ampulex compressa, sanitize their cockroach hosts, Periplaneta americana, with a cocktail of nine antimicrobials comprising mainly (R)-(-)-mell
Abstract Problem In Zimbabwe, many health facilities are not able to manage serious obstetric complications.Staff most commonly identified inadequate training as the greatest barrier to preventing avoidable maternal deaths.Approach We established an onsite obstetric emergencies training programme for maternity staff in the Mpilo Central Hospital.We
In the manufacturing process of semiconductors, plasma processing is an essential technology, and the plasma used in the process is required to be of high density, low temperature, kenya tree coral for sale large diameter, and high uniformity.This research focuses on the microwave-excited plasma that meets these needs, and the research target is a