like any other learning activity, translation is a problem solving activity which involves executing parallel cognitive processes. the ability to think about these higher processes, plan, organize, monitor and evaluate the most influential executive cognitive processes is what flavell (1975) called “metacognition” which encompasses raising awareness of mental processes as well as using effectiv...

abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...

Background and Objective: Childhood obesity is considered a major health problem in both developed and developing countries. Regarding the impact of obesity on children, family and society, the aim of this study was to determine the prevalence of obesity and its correlation with life style and possible risk factors among preschool children in Zanjan. Materials and Methods: This cross-section...