today, scouring is one of the important topics in the river and coastal engineering so that the most destruction in the bridges is occurred due to this phenomenon. whereas the bridges are assumed as the most important connecting structures in the communications roads in the country and their importance is doubled while floodwater, thus exact design and maintenance thereof is very crucial. f...

the purpose of the present study was to investigate the effect of instruction through debate on male and female efl learners’ reading comprehension, to examine the differences between the performance of male and female participants on the five dimensions of cctst including analysis, evaluation, inference, deductive reasoning, and inductive reasoning, and to examine the differences between male ...

it is definitely necessary to understand the concept and behavior of causation of life insurance policies and its determinants for insurance managers, regulators, and customers. for insurance managers, the profitability and liquidity of insurers can be increasingly influenced by the number of causation through costs, adverse selection, and cash surrender values. therefore, causation is a materi...

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

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 ...

چکیده رقابت در بازار محصولات، یک مکانیزم عالی برای تخصیص بهینه منابع تشکیل داده و دارای اثرهای انضباطی بر رفتار مدیران و بی‌کفایتی‌های آنان است و همچنین دارای اثرهای متقاضی بر انگیزه‌های مدیریت در خصوص دستکاری سود و به نوعی مدیریت سودهای گزارش شده باشد. هدف این پژوهش، بررسی نقش ساختار مالکیت بر ارتباط بین ساختارهای رقابتی بازار محصولو مدیریت واقعی سود در بورس اوراق بهادار تهرا...

although there are studies on pragmatic assessment, to date, literature has been almost silent about native and non-native english raters’ criteria for the assessment of efl learners’ pragmatic performance. focusing on this topic, this study pursued four purposes. the first one was to find criteria for rating the speech acts of apology and refusal in l2 by native and non-native english teachers...

   Abstract Accounting earning and its components are the most important accounting items in stock pricing.  If investors do not achieve abnormal returns using this information, the capital market is said to have acted efficiently in reflecting accounting earning information in stock pricing. In other words, pricing stocks is rational. The purpose of this study is to investigate the market re...