BENCHMARKING THE RECOVERY OF AIR TRAVEL DEMANDS FOR US AIRPORTS DURING THE COVID-19 PANDEMIC



Stabilization of electric-arc furnace dust in concrete

Electric-arc furnace dust (EAFD) is a by-product of steel production and recycling.This fine-grained material contains high amounts of zinc and iron as well as significant amounts of potentially toxic elements such as lead, cadmium and chromium.Therefore, the treatment and stabilization of this industrial residue is necessary.Concrete is a well-kno

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Evaluating the quality of peer interactions in children and adolescents with autism with the Penn Interactive Peer Play Scale (PIPPS)

Abstract Background A core difficulty for individuals with autism is making friends and successfully engaging and interacting with peers.The majority of measures to assess peer interactions are observations in a school setting or self-report.The present study examined the convergent validity of using a teacher rating scale, the Penn Interactive Pee

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