Salmonella enterica serovar Typhimurium strain 798 has previously been shown to undergo phenotypic phase variation.One of the phenotypes expresses virulence traits such as adhesion, while the other phenotype does not.Phenotypic phase variation appears to correlate with the ability styling of this strain to cause persistent, asymptomatic infections

To solve the problems of higher energy consumption and lower intelligence of traditional hard hose travelers, a new hard hose traveler with the function of electric drive and self-propelled is developed in this paper.The operational energy consumption of a reel and a polyethylene tube is an important part of hard-hose traveler energy consumption.In

Background: Depression is abnormal elaboration of sadness and grief.It ranges from short episodes of sadness to a full blower illness requiring psychiatric intervention.Objectives: To assess depressive symptoms among the elderly residents in nursing homes in Al-Najaf city.As well as to find out the relationship between the depressive symptoms and s

This research aims to optimize the mixing process in gas-lift anaerobic digesters of municipal sewage sludge since mixing and maintaining uniform contact between methanogenic bacteria and nutrients is essential.Wastewater municipal sludge sampling was performed at the Bracelet Ahvaz West treatment plant (Chonibeh, Iran) during the summer of 2022.A

Financial distress is one of the leading reasons for corporate default, foreclosure, and subsequent bankruptcy.Traditionally accounting information-based models have been used to identify the financially distressed firms.Inaccurate identification results in type-I and type- II errors.These errors are attributable to the elements of conservatism and