In the sheet metal stamping process, during sliding contact between the tool and sheet, it is expected that severe events such as tool wear or fracture on the sheet generate acoustic emission (AE) burst waveforms.Attempts have been made in the literature to correlate the AE burst waveform with the wear mechanisms.However, there is a need for additi
This article assessed the ability of lyophilized bovine pericardium and acellular ovine esophageal mucosa with fibrin glue to repair induced cerebral dural defects in dogs.Eighteen adult male dogs were used and divided randomly into two groups.A square defect about (1x 1cm) was created in all animals in the dura mater.In the first group, the defect
The study presents integrated data on the crises and ways of dealing with famine and guaranteeing food security in Russia and in the USSR.The article reveals the dynamics of the food crises paying attention to the national peculiarities as well as specific historical, political and socio-economic conditions.Consideration of the issue of famine in r
Autonomous relative navigation is a critical functionality which needs to be developed to enable safe maneuvers of a servicing spacecraft (chaser) in close-proximity with respect to an uncooperative space target, in the frame of future On-Orbit Servicing or Active Debris Removal missions.Due to the uncooperative nature of the target, in these scena
Background and Objective: During the manufacture and storage of probiotic products, there are always possibilities that probiotics be exposed to harmful stresses such as high temperature, low pH, various osmotic pressures and high oxygen levels, which can decrease the number of living cells.Encapsulation is Brixton hats one of the methods used to p