the present study investigated the effect of the two vocabulary teaching techniques in est, namely the use of translation and the use of visual aids as two separate vocabulary teaching techniques. to answer the question of the study, a pretest (michigan test) was administered to the 58 randomly selected est students at khajeh nasiredin tusi university, faculty of mechanics. after the homogeneit...

Background and Aim: patients infected with HIV are susceptible to opportunistic infections such as candidiasis. In normal individuals, Candida spp. exist as normal flora of the mucous membranes.  In this study we compared the frequencies of different species of Candida between HIV infected patients receiving anti-retroviral therapy (ART) and normal individuals. Materials and Methods: This case...

Objective: This study aimed to compare psychological capital and metacognitive beliefs between drug-dependent students and normal students. Method: The present study was of a causal-comparative nature. The students of Azad University of Tabriz in 2013 constituted the study population. Then, two groups of 50 drug-dependent and normal students were selected through convenience and clustering samp...

Introduction & Objective: The influence of genetic, biological, psychological, social and cultural factors on drug dependency and high rate comorbidity of this phenomenon with psychiatric disorders for example anxiety, depression and characteristics and personality disorders is emphasized. The aim of this study was the comparative investigation of mental disorders and personality traits in pe...

one of the most commonly used techniques to reduce the corrosion rate of rebar in concrete is addition substances named corrosion inhibitors into the concrete. corrosion inhibitor is chemical compounds that were added to concrete to prevent corrosion of steel in concrete. sodium nitrate is a type of anodic inhibitors that this study investigatesthe effect of this inhibitor on the properties of ...

Background: Because bronchial hyper responsiveness (BHR) has been shown to be a risk factor for asthma and lung function decline, interest has focused on diagnosing BHR. The aim of our study was to measure the association between airway caliber relative to lung size expressed as the ratio between forced expiratory flow, mid expiratory phase, divided by forced vital capacity (FEF25-75/FVC) and B...

Introduction: Since the psychological factors are very effective in incidence and severity of chronic disease such as Multiple sclerosis, this study intended to compare stress, coping strategies, type C and type D personality in MS patients and normal individuals Methods: The research method was post facto or cause and effect. The population included all normal and MS patients who referred to ...