نتایج جستجو برای: iran were investigated during 2001
تعداد نتایج: 4696910 فیلتر نتایج به سال:
BACKGROUND Injecting drug users (IDUs) and prisoners are considered to be highly vulnerable to human immunodeficiency virus (HIV) infection in Iran. This study was carried out to determine the prevalence of HIV infection among IDUs released from jail in Bahar (Hamadan, Iran). METHODS In a cross-sectional study, 118 IDUs who were prisoners during 2001-07 were evaluated. Their demographic and p...
abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...
leishmaniasis is one of the six important tropical diseases, different aspects of which required to be studied, as recommended by world health organization. cutaneous leishmaniasis is a prevalent parasitological disease with diverse clinical manifestations in iran. this study investigated the status of cutaneous leishmaniasis in poledokhtar district, during 2001-2011. this descriptive survey wa...
BACKGROUND To describe the epidemiological features of pediatric visceral leishmaniasis in southern Iran. METHODS This retrospective study was carried out using local hospital records of VL patients from 2001 through 2009. Data such as age, gender, place of residence, clinical signs and symptoms, treatment, history of recurrence were recorded. The collected data were statistically analyzed us...
BACKGROUND One of the major health policy issues, in the both developed and developing countries, is the equality in the distribution of health resources. The aim of this study was to investigate the disparity in the distribution of health physical resources across the provinces of Iran in 2001 and 2011. METHODS This was a cross-sectional retrospective study which investigated inequality in t...
abstract listening is a key and main tool in second language skill and its development is of prime concern to teachers and learners. furthermore, the application of technology in language classrooms has become more commonplace in the last fifty years. computer and the internet have made foreign language materials easy to access and use. so, the present study is an attempt to examine the effec...
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...
Inappropriate use of drugs is a widespread problem with serious consequences such as increased adverse drug reaction and antimicrobial resistance. Proper interventions would have important financial and public health benefits. Several studies have been performed about Rational Drug Use (RUD) in Iran. To provide a picture of researches were done about RUD and highlight the existing gaps in pract...
Drought phenomenon with different goals including planning, water sources management and dealing with the problems due to water shortage has been investigated by most scholars. This research examined the relationship between drought and the normalized difference vegetation index (NDVI)in Qorveh and Dehgolan region in Kurdistan, Iran. To determine years with meteorological drought, index of Stan...
the world wide web becomes very popular recently and plays an influential role in english learning. by burgeoning role of source-based writing as partial fulfillment of tefl courses and vast use of the internet, lack of empirical studies to explore these areas is obvious. this study aimed to explore the effect of the amount of familiarity with the web (internet literacy) on junior english stude...
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