TRANSFORMATION OF FREQUENCY-MAGNITUDE RELATION PRIOR TO LARGE EVENTS IN THE MODEL OF BLOCK STRUCTURE DYNAMICS



The hidden risk of ionizing radiation in the operating room: a survey among 258 orthopaedic surgeons in Brazil

Abstract Background This study aims to assess orthopaedic surgeon knowledge in Brazil about ionizing radiation and its health implications on surgical teams and patients.Methods A 15-question survey on theoretical and practical concepts of ionizing radiation was administered during the 23rd Brazilian Orthopaedic Trauma Association annual meeting.Th

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Study the (Wear, Roughness, Micro hardness) of the Electroplated Layers on Low Carbon Steel Improved by Shoot Penning

In this study an electroplating method has been employed (with zinc, nickle).Studying of mechanical, surface, metallurgical properties for each coated systems and made a comparison among them and with shoot penned coated systems.Low carbon steel alloy has been selected as a substrate.Studying of specified properties including coating thickness and

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