نتایج جستجو برای: time occurrence in ekbatan
تعداد نتایج: 17179499 فیلتر نتایج به سال:
Myocardial infarction is one of the most common diseases with high mortality and morbidity in human beings. Iranian health ministry official statistical analyses show that the most frequent cause of death in the country after accidents is Myocardial infarction (MI). Inappropriately long patient time delay is the main cause for undesirable pre-hospitalization delay. We decided to apply artificia...
Background and Objectives: In studies in which each person may experience an event at different times, they are recurrent events.One of the most popular approaches in analyzing recurrent event is obtaining an estimate of the means/rate of events at different times. In this context,one of the things that could help to better understand the effect of this factor on the response is determining the...
Background & Objectives : Management of time-dependent variables is the advantages of survival analysis. This study compares time-dependent and -independent variables in survival analysis in culling of dairy cows. Methods: In this historical cohort, 7067 dairy cows in the Province of Tehran were recruited. Cows were followed to the next calving or culling. Data on the occurrence of healt...
Here we present LM and SEM data of pollen extant Sciadopitys verticillata, fossil Cerebropollenites from Aptian/Albian strata (Austria, Mongolia) Sciadopityspollenites Campanian/Maastrichtian Oligocene/Miocene (Siberia, Germany). Measurements image comparisons show that the investigated taxa range somewhat comparable to very similar a previous affiliation with Tsuga cannot be corroborated. Addi...
abstract: about 60% of total premium of insurance industry is pertained?to life policies in the world; while the life insurance total premium in iran is less than 6% of total premium in insurance industry in 2008 (sigma, no 3/2009). among the reasons that discourage the life insurance industry is the problem of adverse selection. adverse selection theory describes a situation where the inf...
کانسار فسفات کوه لار (کانسار فسفات آیرما) به وسعت 39 کیلومتر مربع و در دماغه شمال غربی تاقدیسی به همین نام در استان کهگیلویه و بویر احمد واقع است. این تاقدیس در زیر زون زاگرس چین خورده (folded zagros) قرار داشته و سازند پابده را در خود جای داده است. سازند پابده در منطقه مورد مطالعه به جهت دارا بودن افق های فسفات دار با عیار مناسب و میزان ذخیره فراوان از دیرباز مورد توجه بسیاری از زمین شناسان قر...
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