نتایج جستجو برای: iran during in 2012
تعداد نتایج: 17246143 فیلتر نتایج به سال:
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 ...
GIS-based ordered weighted averaging and Dempster–Shafer methods for landslide susceptibility mapping in the Urmia Lake Basin, Iran Bakhtiar Feizizadeh a b , Thomas Blaschke a & Hossein Nazmfar c a Department of Physical Geography, Centre for Remote Sensing and GIS, University of Tabriz, Tabriz, Iran b Department of Geoinformatics (Z_GIS), University of Salzburg, Salzburg, Austria c Department ...
Introduction: Nowadays, despite socio-economic development of communities and controlling majority of communicable diseases, tuberculosis is still one of the main causes of mortality and disability in developing countries. With respect to importance and high incidence of tuberculosis in marginal provinces, the present study aimed to assess the epidemiology of Tuberculosis in Khuzestan provinc...
this study aimed to investigate the effects of listening strategy training on iranian efl learners listening comprehension and use of such strategies. this work, employing an experimental methodology, was conducted among 60 adult efl learners from a language institute in isfahan, iran, as participants. the participants, who were selected based on the results of a placement test, were assigned t...
تجارت الکترونیکی شیوه اجرای مسئولیتها، تقابل با مشتریان و امور معمول عملیاتی در شرکتها را تغییر داده است. تجارت الکترونیکی در عمل تنها خرید و فروش کالاها را از طریق ابزار الکترونیک نمی باشد، بلکه تمام فعالیتهای لازم جهت انجام فرایند فروش را نیز در بر میگیرد. در اواخر دهه 1990 بسیاری از شرکتها فعالیتهای خود را به منظور دستیابی به مشتریان جدید و یا ارائه فرصتهای جدید به مشتریان موجود گسترش دادند...
specimens of the subfamily milesiinae (diptera: syrphidae) were collected using sweeping net from saqqez region, kordestan province located in the northwestern iran during 2012-2013. in total 25 species in 12 genera were identified. of which eumerus transcaspicus (stackelberg, 1952) is reported for first time from iran. diagnostic characters besides supplementary photos of the new record are pr...
BACKGROUND Elucidating the epidemiological status of injuries is a critical component of preventive strategies in countries with high incidence of injuries, like Iran. Population-based surveys are able to estimate all types of non-fatal injuries. OBJECTIVES This study protocol is the core unit in describing Iran's national cost and epidemiology of non-fatal injuries, and also as a guide for o...
Background: Poisoning is one of the main causes of visits to emergency departments and hospitals in Iran. Drug and Poison Information Centers (DPIC) are reliable sources to guide poisoned patients and provide information about pharmaceutical agents. This study was designed to analyze recorded phone calls to Iran DPICs during 2011-2012. Methods: This was a retrospective study on phone calls to...
126 abstract: in this research we studied the effects of cyclic hydration and dehydration of cysts of artemia urmiana and artemia parthenogenetica on the hatching percentage, survival and growth. the experiment was carried out in 3 treatments (1-3 hydration/dehydration cycles) with 3 replicates for each treatment. later effects of cold preservation at -20°c during three time periods were ...
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