MIG Handlebar welding and ER5356 welding wire were used for butt welding of 7075 aluminum alloy with a thickness of 3 mm.The joint was subjected to T6 heat treatment after welding.The microstructure, mechanical properties and corrosion resistance of the joints were analyzed by optical microscope, X-ray diffraction, scanning electron microscope and
Abstract Background Osteogenesis imperfecta (OI) is a connective tissue disorder in which the Type 1 collagen is defective.The eye is a structure rich in collagen Type 1 and is heavily impacted by the disease.Many Brake Shoes vision-threatening eye diseases have been associated with OI.The onset of these diseases also tend to occur at an earlier ag
The three-dimensional fixed charge transportation problem is an extension of the Waterproof Bodywarmers classical three-dimensional transportation problem in which a fixed cost is incurred for every origin.In the present paper three-dimensional fixed charge bi-criterion indefinite quadratic transportation problem, giving the same priority to cost a
Bacterial keratitis is an infection of the cornea.This kind of infection can progress quickly and if left untreated, it can eventually cause complete blindness.While Staphylococcus aureus and Pseudomonas aeruginosa are most commonly responsible for this type of infection in the United States, Nocardia spp.is rarely encountered.Here we describe an i