A graphene modified epoxy surface tolerant coating was prepared, and the corrosion performance and rust conversion mechanism of safety switch the prepared composite coating on rusty carbon steel substrate was investigated.Scanning electron microscope (SEM), X-ray powder diffractometer (XRD), and infrared (IR) spectrum were used to confirmed the iro
Introduction: stress is a factor that influences in the quality of life and performance of the individual.It appears when a person identifies dangerous situations that exceeds its own resources and endanger its own being-well.Objective: to describe the stress level in university Light Stands students from health departments in Cartagena-Colombia.Me
Over the last decade, many cliff erosion studies have focused on frequency-size statistics using inventories of sea cliff retreat sizes.By comparison, only a few paid attention to quantifying the spatial and temporal organisation of erosion scars over a cliff face.Yet, this spatial organisation carries essential information about the external proce