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تعداد نتایج: 21256546 فیلتر نتایج به سال:
Introduction:Diabetes is a significant and expensive health problem which had influenced all the ages in almost all the countries. Increasing prevalence of this disease has been caused by continued changes in lifestyle such as unsuitable nutrition, lack of physical activities and fatness which is often related to modern city life, mechanization and industrialization. It is an expensive disease,...
Constructed wetlands have gained much importance for treating domestic, industrial and agricultural wastes and are considered as an effective secondary or tertiary treatment method. The main characteristics affect the removal efficiency of constructed wetland are the vegetation type, hydraulic residence time and substrate. The aim of the present study is to examine effect of vegetation type on ...
Drug-resistant tuberculosis can be transmitted (primary) or develop during the course of treatment (secondary). We investigated risk factors for each type of resistance. We compared all patients in England and Wales with isoniazid- and multidrug-resistant tuberculosis in two time-periods (1993-1994 and 1998-2000) with patients with fully sensitive tuberculosis, examining separately patients wit...
the main purpose of this study was to investigate any relationship between high school efl teachers metaphorical understandings of their role in class and their self-efficacy beliefs. teachers metaphors were elicited through two different prompts: one picturing what they believed a language teacher should be like in class, and the other demonstrating what they are actually like in class; such...
The purpose of the present study is to investigate the sociological impact of social factors on the electoral behavior of citizens of Mazandaran province by comparing the two age groups of youth and adults. In this regard, a descriptive-analytical cross-sectional study was conducted using a researcher-made questionnaire. Statistical population of this study is men and women over 18 years old th...
Background & Aims: Amputation of a body part is a "life-changing event" . Amputation affects almost all aspects of an individual’s life. Many issues arise following the loss of all or part of a person's limb(s) . Disability as a consequence of amputation has a devastating effect on the quality of life of the disabled people . The aim of this study was to investigate the factors associated wit...
The concept of “Innovation” has changed considerably in recent years. According to new theories, the innovation emerges in a system of interrelated elements and determinants during which the idea changes to a commercialized output or process. The literature on the innovation has concentrated mainly on various aspects of innovation chain separately. In this paper we tried to investigate the gene...
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