in the diesel engine exhaust gas recirculation (egr) components, valve and connecting pipes are the critical components and fails often during new engine development. these components are important for meeting nox emissions norms. therefore design of these components should remain robust. but the challenge in design is compact packaging of complete egr components on the engine consequently vibr...

By the advent of the 20th century, psychologists presented different learning theories; to the extent that one should consider this century as the time of prosperity and evolution of learning theories. Before 1950s, it was generally believed that learning was due to the impact of external stimulus, but from the 1950s onwards, researchers were challenged and conducted a series of studies that sh...

By the advent of the 20th century, psychologists presented different learning theories; to the extent that one should consider this century as the time of prosperity and evolution of learning theories. Before 1950s, it was generally believed that learning was due to the impact of external stimulus, but from the 1950s onwards, researchers were challenged and conducted a series of studies that sh...

Background: Psoriasis is a complex disease with lifelong emotional and social consequences for affected patients. It also reduces the patients’ quality of life and requires a long-term management. Therefore, in addition to appropriate treatment of the disease, self-management strategies to improve patient health and quality of life are essential. On the other hand, smartphone-based applic...

  Background: Self-care is an essential element in treating a person with diabetes; and managing diabetes is of prime importance. The aim of this study was to investigate the predictors of adherence to self-care behavior among women with Type 2 diabetes.   Methods: This cross-sectional study was conducted on 210 female patients aged 30 to 60. Data collection tool was an anonym...

introduction: the diseases and problems due to ageing can affect the quality of life (qol) in the elderly. the aim of this study was to compare the effects of self-care program education run by health volunteers and healthcare staff on the qol in the elderly. methods: in this experimental, field trial study, 150 elderly people living in mashhad were enrolled by multistage sampling in 2014. the ...

background the improvement of self-caring and self-efficacy behaviors is vital in the successful management of asthma. objectives the aim of the research is to determine the relation between self-efficacy of asthma control and quality of life in iranian asthmatic patients. patients and methods this research represents a descriptive-analytical study. the 257 asthmatic patients referred to the cl...