نتایج جستجو برای: open system
تعداد نتایج: 2538784 فیلتر نتایج به سال:
Introduction: Megavoltage X-ray beams are used to treat cervix cancer due to their skin-sparing effect. Preferably, the radiation surface doses should be negligible; however, it increases due to electron contamination produced by various field parameters. Therefore, it is essential to provide proper knowledge about the effect of different field parameters on radiation doses. This study sought t...
the application of e-learning systems - as one of the solutions to the issue of anywhere and anytime learning – is increasingly spreading in the area of education. content management - one of the most important parts of any e-learning system- is in the concern of tutors and teachers through which they can obtain means and paths to achieve the goals of the course and learning objectives. e-learn...
Information technology is one of the largest and most important human achievements in the present era whose influence on most human activities is undeniable. The traditional education system is being affected by the information technology and it is now turning into an electronic education system. One of the newest issues in the field of electronic education is the effects of web page a...
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