منابع مشابه
the impact of e-readiness on ec success in public sector in iran the impact of e-readiness on ec success in public sector in iran
acknowledge the importance of e-commerce to their countries and to survival of their businesses and in creating and encouraging an atmosphere for the wide adoption and success of e-commerce in the long term. the investment for implementing e-commerce in the public sector is one of the areas which is focused in government‘s action plan for cross-disciplinary it development and e-readiness in go...
Time Average Replicator and Best-Reply Dynamics
where K is the set of pure strategies, ∆ = ∆(K) is the set of mixed strategies (the simplex on K), e is the k unit vector in ∆, xt ∈ ∆ is the composition of the population at time t with x k t denoting the frequency of strategy k. It was introduced by Taylor and Jonker [25] as the basic selection dynamics for the evolutionary games of Maynard Smith [20], see Hofbauer and Sigmund [16] for a summ...
متن کاملthe effect of task cognitive complexity and time limit on the performance of the learners with different proficiency levels in second language writing skill
this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...
15 صفحه اولthe u.s. policy in central asia and its impact on the colored revolutions in the region (the case study of tulip revolution in kyrgyzstan)
چکیده ندارد.
15 صفحه اولthe effects of changing roughness on the flow structure in the bends
flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1932
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.18.1.93