نتایج جستجو برای: سال 93
تعداد نتایج: 208214 فیلتر نتایج به سال:
Background and Objective: The present study was carried out to determine the amount and ionic characterization of TSP and PM10 aimed at identifying the potential emission sources of particulates in the ambient air of Tabriz. Materials and Methods: TSP and PM10 samples were collected by two high volume samplers during September 2013 to August 2014. Water-soluble ions in particulate matter we...
مقدمه: پزشکان در بسیاری از موارد اولین گروهی هستند که بیماران به آن ها مراجعه می کنند لذا نقش مهمی در راهنمایی و هدایت بیماران در مورد بیماری های دهان و دندان دارند. ارتباط پزشکان و دندانپزشکان جهت ارﺟﺎع ﻣﻨﺎﺳــﺐ و ﺑــﻪ ﻣﻮﻗــﻊ ﺑﻴﻤــﺎران، تشخیص و درمان بیماری های دهان اجتناب ناپذیر است. این مطالعه با هدف بررسی آگاهی کارورزان دانشکده پزشکی ساری و بابل از بیماری های پریودنتال در سال 93-1392 انجام گ...
Introduction : In universities of medical sciences, teachers are known as key elements in education and research . Therefore, evaluating performance is the best way to quality control academic members in a medical educational system. The current study aimed to investigate students' attitudes towards current teaching characteristics of teachers in Birjand University of Medical Sciences . Method:...
Background and Objectives: Noise pollution in cities, as a widespread and worldwide problem, can cause adverse health effects such as hearing loss. Traffic noise, as the most important source of urban noise, can influence many jobsincluding shopkeepers. The aim of this study was simultaneous assessment of traffic noise pollution and hearing threshold level of shopkeepers in congested area of Be...
Introduction: Injuries from accidents are the major and avoidable causes of illness and death in most countries of the world. Knowledge of the occurrence of accidents is of special importance to health policy makers. The aim of this study was to determine the injuries caused by accidents in emergency department of Hamadan province. Methods: This study is descriptive-analytic from cross secti...
Background and purpose: The pace of population aging is fast, so maintenance of mental health in elderly is an important issue. This study aimed to assess mental health in older adults and some relating factors. Materials and methods: In a cross sectional study, 400 old people were selected by multi-stage sampling in Tehran 2014-15. Data was collected using General Health Questionnaire (GHQ-28...
Background and Objective: Students general health is the most important factor in their education at university. Since the task of university is training committed and efficient human resources, it is also possible with a balanced growth in all aspects of mental health .This study aimed to assess the general health of new students in Zanjan University of Medical Sciences in the first seme...
The requirements of conformal invariance for the two point function of the energy momentum tensor in the neighbourhood of a plane boundary are investigated, restricting the conformal group to those transformations leaving the boundary invariant. It is shown that the general solution may contain an arbitrary function of a single conformally invariant variable v, except in dimension 2. The functi...
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