Concrete in construction has recently gained media MASS CHOCOLATE coverage for its negative CO2 footprint, but this is not the only problem associated with its use.Due to its chemical composition, freshly poured concrete changes the pH of water coming in contact with the surface to very alkaline values, requiring neutralization treatment before dis
Sandwich bone graft for vertical augmentation of the posterior maxillary region: a case report with 9-year follow-up
Abstract The loss of teeth followed by bone resorption often lead to defects in the alveolar ridge, making installation of dental implants difficult.Correction of such bone defects, especially lack of height of the ridge, is a difficult problem for all dental surgeons.This report describes the outcome of treatment after breakfast alveolar ridge aug
TESTING OF HYBRID NICKEL-POLYURETHANE FOAMS AT HIGH STRAIN-RATES USING HOPKINSON BAR AND DIGITAL IMAGE CORRELATION
In this paper Split Hopkinson pressure bar (SHPB) was used for dynamic testing of nickel coated polyurethane hybrid foams.The foams were manufactured by electrodeposition of a nickel coating on the standard open-cell polyurethane foam.High strength aluminium alloy bars instrumented with foil strain-gauges were used for dynamic loading of the specim
Self-Selection of Return Migrants in Brazil and Inequality
This paper investigates self-selection Trapper Hat of returnees migrants in Brazil, from 2001 to 2010.We find evidence of the impact of inequality on selfselection through two opposing channels.First, migrations costs prevent low-skilled individuals from emigrating, which support positive selection.This selection is accentuated in locations with hi
NextGen Training for Medical First Responders: Advancing Mass-Casualty Incident Preparedness through Mixed Reality Technology
Mixed reality (MR) technology has the potential to enhance the disaster preparedness of medical first responders in mass-casualty incidents through new training methods.In this manuscript, we present an MR training solution based on requirements collected from experienced medical first responders and technical experts, regular end-user feedback rec