Steel recycling saves energy and time, and is more environmentally friendly.It can help rid the environment of huge amounts of scrap vehicles and huge structures, as well as reducing the mining operations that destroy the natural environment.In this investigation, the steel scrap effect on the mechanical properties of concrete was investigated, in
Objective: The aim of the study was to make an inventory of current literature on the bond strength between zirconia and veneering porcelain after surface treatment of zirconia by grinding with diamond bur and/or with airborne-particle abrasion.Material and methods: The literature search for the present review was made following recommended guideli
Mary E Hawk,1– 3 Ashley Chung,4 Stephanie L Creasy,1– 3 James E Egan1– 3 1Behavioral and Community Health Sciences, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA; 2Center for LGBT Health Vest Top Research, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA; 3Evaluation