نتایج جستجو برای: virtual in
تعداد نتایج: 17006192 فیلتر نتایج به سال:
Introduction: Rehabilitation is one of the priorities that should be performed on patients with stroke injuries or accidents leading to disability. This study aimed to evaluate the equipment and designed virtual reality environment to improve the treatment of patients with mobility problems in the lower torso (ankle). Method: The research consisted of three basic parts. In the section of mechan...
this paper proposes improvements and revisions to a recent approach in a voting system, and provides an effective approach with a stronger discriminate power. for this purpose, the advantage of a linear transformation is utilized to rede ne a previously used concept of virtual worst candidate, by incorporating the existing weight restrictions. then, the best score of this virtual candidate is u...
in the last years of the twentieth century and the early years of the twenty first century, globalization with all its aspects and effects, has laid a ground which has originated and/or deepened structural weaknesses of states, their inability to answer the citizens’ demands and functional crisis of states. formation of international institutions, international non-governmental organizations (n...
evaluation of lung density and its dosimetric impact on lung cancer radiotherapy: a simulation study
background: the dosimetric parameters required in lung cancer radiation therapy are taken from a homogeneous water phantom; however, during treatment, the expected results are being affected because of its inhomogeneity. therefore, it becomes necessary to quantify these deviations. objective: the present study has been undertaken to find out inter- and intra- lung density variations and its dos...
the virtual space of internet social networks is one of the most important devices to exert the influence of globalization. this virtual space creates a vast quantity of information and meaning representations. faced with this space and the profusion of sources, people experience suspension (i.e. confusion and indecision) in shaping their identity. the loss of the concepts of time and place and...
Online learning is becoming an increasingly popular request. Many universities are moving fully or partially to this form of study. In the article, the authors considered what is virtual space, what are its criteria, as well as applicability for teaching students and passing research practices. Based on an analysis of existing virtual spaces (platforms), an experiment was conducted. The study s...
The imbalance between water supply and demand in the country has challenged water resource management, especially in the agricultural sector. The virtual water study approach, as an approach that values the use of water inputs in the production and consumption of various commodities, has been established and discussed for almost two decades. Based on this concept, the issue of virtual water tra...
Introduction: Cyberspace covers many aspects of human life and this tendency to cyberspace can be influenced by cognitive and emotional dimensions. So the aim of this study was modeling structural relationships of mind theory with tendency to virtual networks through mediating of social adjustment in Gifted students. Methods: The research method was descriptive-correlation and in particular str...
Information grows very fast and transmission of data from one person to another may not be the most efficient way of learning. Virtual education follows this goal as a relatively new and efficient approach. Although, this kind of education, including using computers and internet has prepared golden opportunities for students problems and barriers exist. Reviewing the benefits and limitations of...
in biaxially strained p-mosfet with si channel, formation of a parasitic parallel channel due to misalignment of energy bands degrades device performance by increasing off-state current. in this paper a new approach has been introduced to eliminate this parasitic channel by increasing the dopant concentration of virtual substrate up to . using simulation the impact of this method on the parasit...
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