نتایج جستجو برای: in year 2007
تعداد نتایج: 17048174 فیلتر نتایج به سال:
background trauma, in addition to mortality and disability experienced by an individual, imposes direct and indirect economic and social costs on a community. traditionally, trauma is a disease of young and middle age adults, an age group which is known to be the most dynamic and economically productive of the community. increasing our knowledge concerning the etiology and patterns of trauma se...
drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...
the central purpose of this study was to conduct a case study about the role of self monitoring in teacher’s use of motivational strategies. furthermore it focused on how these strategies affected students’ motivational behavior. although many studies have been done to investigate teachers’ motivational strategies use (cheng & d?rnyei, 2007; d?rnyei & csizer, 1998; green, 2001, guilloteaux & d?...
this paper evaluates the welfare effects of price changes in the main commodity groups in iran. using the iranian urban households’ data issued by the iranian statistics center over the period 1994-2007 we estimate the subsistence level. in addition, using the results from the linear expenditure system we calculate the price and income elasticities along with the compensation and equivalent var...
Prediction of peak loads in Iran up to year 2011 is discussed using the Radial Basis Function Networks (RBFNs). In this study, total system load forecast reflecting the current and future trends is carried out for global grid of Iran. Predictions were done for target years 2007 to 2011 respectively. Unlike short-term load forecasting, long-term load forecasting is mainly affected by economy...
the extent to which written corrective feedback on linguistic errors can play a role in helping l2 writers improve the accuracy of their writing continues to be an issue of interest to researchers and teachers since truscott (1996) mounted a case for its abolition. while there is growing empirical evidence that written corrective feedback can successfully target some types of linguistic error (...
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