This article pursues two tasks. The first is to clarify the value and productivity of Williams’s Keywords: a vocabulary culture society (first edition 1976, second expanded 1983a) for project Cultural Studies. clarification helped, I argue, by reading it alongside Vološinov’s Marxism philosophy language (published in Russian 1929, translated into English 1973). related task speculative developm...

background: the prevalence of metabolic syndrome (mets) is increasing worldwide. limited data are available trying to compare different definitions suggested to identify mets. this study aimed to compare the prevalence of mets and its components based on currently available international and iranian national definitions. methods: the present cross-sectional study was conducted in 2015 among fem...

abstract background and objective: nutritional factors are a matter of debate in the etiology of preterm labor. this study was conducted to assess the association of maternal folic acid consumption with preterm labor .comprised and materials and methods: this cohort study was conducted on 191 healthy pregnant women in 2009, referring to two teaching hospitals in tehran (iran). the folic acid in...

importance of security and sense of peace is a one of the most important factors of urban environment. therefore, the necessity of security in urban spaces has caused the emergence of authentic theories like defensible spaces and crime prevention through environment design (cpted)*. in this paper, various literatures related to defensible space theories have been reviewed and the related keywor...

background and aims: toxoplasmosis is a parasitic disease which may cause some laboratory symptoms in infected individuals. one of the main ways of transmition this organism is placenta to fetus pathway. if this transmission occurs in the 3th month of pregnancy, the abortion, central nerve system and ocular disorder will happen. because of this issue, the precise technique for detection of toxo...

BACKGROUND Dyspepsia is an upper gastrointestinal tract syndrome presenting epigastric pain and discomfort, fullness sensation, early satiety, nausea, vomiting, and belching. The prevalence of dyspepsia has been reported to be high all over the world. In this study, we reviewed studies reporting the prevalence of dyspepsia in Iran and discussed the probable risk factors of dyspepsia to shed lig...

BACKGROUND AND AIMS The aim of the present study was to systematically review fluoride concentration of drinking waters and prevalence of fluorosis in Iran through systematically evaluating results of studies conducted in this regard. MATERIALS AND METHODS In this systematic review study, the required data was collected using keywords including drinking water fluoride, fluoride concentration,...

Energy generated by the force of water in hydropower can provide a more sustainable, non-polluting alternative to fossil fuels, along with other renewable sources of energy, such as wind, solar and tidal power, bio energy and geothermal energy. Small scale hydroelectricity in Iran is well suited for “off-grid” rural electricity applications, while other renewable energy sources, such as wind, s...

BACKGROUND Esophageal cancer is often diagnosed in the last stages where the chance of patient's survival is very low. The aim of this systematic review was presentation of valid estimation of survival in patients with esophageal cancer in different regions of Iran. METHODS A SYSTEMATIC REVIEW WAS CARRIED OUT BASED ON THE RELIABLE DOMESTIC MEDICAL DATABASES INCLUDING: SID, Magiran, Irandoc an...

We study the development of conjunctive keyword searchable scheme which enables one to search encrypted documents by using more than one keyword. The notion of conjunctive keyword searching was presented by Golle et al. in 2004. However, their security model was constructed in a symmetric-key setting which is not applicable for the overall applications in the reality. So Park et al. extended Go...