نتایج جستجو برای: directing them towards a uniform system because iran
تعداد نتایج: 13933603 فیلتر نتایج به سال:
this study attempts to investigate the effect of peers’ revision in comparison to that of the teacher, and whether peers’ comments and teachers’ comments facilitate students’ revision? if yes, which one is more effective? also attempts have been made to see which aspects of language are more highlighted by peers versus teachers when commenting. besides, it is investigating the student’s attitud...
although england and the united states are both common law states and their legal systems follow the same rules, each has disregarded certain rules and changed them to suit specific circumstances. for instance, they have both disregarded the common law rule on the insertion of exemption conditions by carriers. regarding carrier’s liability towards passengers, the united states accepts the highe...
The goal of an Evolutionary Algorithm(EA) is to find the optimal solution to a given problem by evolving a set of initial potential solutions. When the problem is multi-modal, an EA will often become trapped in a suboptimal solution(premature convergence). The ScoutingInspired Evolutionary Algorithm(SEA) is a relatively new technique that avoids premature convergence by determining whether a su...
Background: The stigma associated with mental illness adds to the public health burden of mental illness itself. In general terms stigma is the status loss and discrimination triggered by negative stereotypes. To our knowledge, this is not any large scale study of knowledge of and attitudes towards mental illness in Iran. Therefore, the aim of this study was to determine the knowledge and att...
abstract the present study was conducted to examine the effect of proficiency on students interaction while carrying out the grammar-based task(s) in collaboration. in particular, the study examines whether the level of proficiency affects the learners’ focus of attention to grammatical and lexical features. the study takes a further step and examines whether there is any difference in the use...
Cellular communications using high altitude platforms (HAPs) will predominate the existing conventional terrestrial or satellite systems but requires some optimization especially in the cellular radio coverage design. The design of HAPs cellular system suffers from increasing cell area when directing the same beam to cover lower elevation regions and therefore requires some modification in its ...
The wireless cellular base station antenna system employs switched beam technology which suffers from its inefficiency to track the user and limited capacity. The Smart antenna tracks the mobile user more efficiently by directing the main beam towards the user and forming nulls in the directions of the interfering signal. Smart antennas include the design of antenna array and adjusting the inco...
the buyids were originally from among the daylamids of daylam proper (khāṣ), but since the economic situation of this region was not much favorable, they joined various rules (ḥukūmas) such as the alavids of ṭabaristān and zāriyān (during the years 250/222 – 321/222) in their military uniform because of their military skills as a consequence of the circumstances in their geographical homeland a...
These substances, containing hundreds of thousands to hundreds of millions atoms (with leeway at both ends of that range), have rapidly evolved the potential to impact virtually every area of our physical world—health, food, engineering, transportation, energy. In many cases, nanomaterials are already part of our world. Yet unlike chemical and “normal” engineering materials, there is no accepte...
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