plastic recycling is the process of recovering scrap or waste plastics and reprocessing thematerial into useful products that sometimes differ completely in form from their original state. an importantissue in plastic recovery and recycling is that plastic waste usually contains a variety of plastics that differ intheir physical and chemical properties. separation of recovered plastics into dis...

background & aim : this study aimed to discover the lived experiences of patients transferred from the intensive care unit (icu) to a general ward, to reach a deeper understanding of this phenomenon. methods & materials: this is a qualitative study with an interpretative phenomenological approach, which is conducted at hospitals affiliated to universities, and private hospitals of tehran in 201...

the separation of olefin/paraffin mixtures is an important process in petrochemical industries, which is traditionally performed by low temperature distillation with a high-energy consumption, or complex extractive distillationand adsorption techniques. membrane separation process is emerging as an alternative for traditional separation processes with respect to low energy and simple operation....