Introduction: Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) has emerged among pigs in many countries.MRSA in the pig population constitute a reservoir with risk for transmission to humans in close contact with pigs.Absence of MRSA in the top of the breeding pyramid would prevent spread to the rest of the pig population.
Introduction.Consequences of heroin abuse include organic damage of cerebral structures.The level of impairments is in a direct and positive relation with the length of heroin abuse.Objective.The aim of this research was the evaluation of the reaction time with heroin addicts with different length of substance abuse.Methods.Research method: 90 exam
The current maintenance mode of the subway vehicle traction system does not consider the change of failure rate in the operation of components, and there is an unreasonable maintenance interval and high maintenance cost.To solve this problem, a dynamic preventive maintenance strategy for subway vehicle traction systems considering stages is propose
The optimization of flow control devices (FCDs) for a T-type five-strand billet caster tundish was carried out by water modeling and numerical simulation.In water modeling experiments, flow characteristics of the bare tundish and D3+K2 tundish configurations with designed U-type baffles and a round turbulence inhibitor were analyzed using residence