نتایج جستجو برای: Virtual

تعداد نتایج: 146744  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده مدیریت و اقتصاد 1391

abstract nowadays, industries cannot play a crucial role in national and international competitions. the tourism industry is no exception. tourism industry development as the most important economic sector and income generation is one of the key challenges of economic development in the world. therefore, countries were successful that take advantage of the capabilities of tourism sector using ...

Journal: :مطالعات مدیریت صنعتی 0
حسین رحمان سرشت استاد مدیریت استراتژیک و نظریه های سازمانی/ عضو هیئت علمی دانشگاه علامه طباطبایی professor of organization theories and strategic management faculty member of allame tabatabaee university

iran’s industry has had a considerable number of difficulties to perform so well as was expected in the post – revolutionary era. unfavorable legal, political environments combined with eight –year imposed war may be singled out as the root causes of such performances. however, this paper argues that our industry’s lack of realization of its dire need to adapt to the emerging unprecedented envi...

Journal: :journal of agricultural science and technology 2015
j. liu p. wu y. wang x. zhao sh. sun

virtual water adds a new dimension to crop trades and provides a new way of thinking about water scarcity. a systematic analysis of virtual water flows requires integration of all critical drivers of virtual water flows under a single consistent framework. the aim of this study was to assess virtual water flows related to trades of grain crops (wheat, corn, rice, and coarse cereals) and their i...

Journal: :مدیریت فناوری اطلاعات 0
محمد فتحیان استاد دانشکدۀ مهندسی صنایع، دانشگاه علم و صنعت ایران، تهران، ایران محمد حسینی مربی گروه فناوری اطلاعات، دانشگاه صنعتی کرمانشاه، کرمانشاه، ایران

in recent years, virtual communities have been significantly popular and almost all of them are targeted for business profitability. in our study, the profitability of these communities for businesses has been analyzed from a commercial perspective. the study considers virtual community as a business model which can have a great impact on consumer purchase decision process. with respect to refe...

Journal: :international journal of information science and management 0
gh. a. montazer ph.d., associate professor of it engineering associate professor of it engineering school of engineering tarbiat modarres university, tehran a. bahreininejad ph.d., school of engineering tarbiat modarres university, tehran

the subject under investigation has been electronic learning (e-learning) or electronic education (e-education), specifically concentrating on virtual university. virtual university has been the subject of much debate in recent years. in short, the concept of virtual university denotes a learning/educational system/environment based on internet where higher education is promoted using tools and...

Journal: :iranian journal of nursing and midwifery research 0
fariba borhani mahboubeh vatanparast abbas abbas zadeh hadi ranjbar reza shojaei pour

background : along with emersion of the internet, virtual education increasingly has been growing. many studies discussed this method and its impact on learning. present study investigated students’ attitude towards virtual education as well as its effect on learning. methods : this was a pretest-posttest quasi-experimental study. the nursing students, who had selected fluids and electrolyte di...

Journal: :مدیریت فناوری اطلاعات 0
منصور مؤمنی دانشیار دانشکده مدیریت دانشگاه تهران، ایران محمود دهقان نیّری دانشجوی دکتری مدیریت تحقیق در عملیات، دانشکده مدیریت دانشگاه تهران محمّدرضا اخوان انوری دانشجوی کارشناسی ارشد مدیریت تحقیق در عملیات، دانشکده مدیریت دانشگاه تهران کامیار رئیسی‏فر دانشجوی کارشناسی ارشد فناوری اطلاعات، دانشکده مدیریت دانشگاه تهران

according to the changing business, nowadays teams are cornerstones of successful organizations, in addition, with the developments and technological innovations in communication and information, virtual teams are playing more critical role in today's business. on this basis, determining factors which affect virtual team's performance are important to both scholars and practitioners. ...

Journal: :international journal of supply and operations management 2014
amir mohammad colabi behrouz zarei

although there are many potential benefits associated with the use of virtual product development teams, exploiting these benefits requires an appropriate management. managing virtual product development team is a critical issue as many of these teams fail to accomplish their goals. review of previous literature shows that body of knowledge in managing virtual product development teams is fragm...

مقدسی, حمید, کامکارحقیقی, مهران,

 Background: ICT development has led to the emergence of virtual organizations phenomenon. Virtual hospital is one of these virtual organizations which present digital version of services and information of a hospital. In scientific literature, the term “virtual hospital” covers other concepts as well as the concept of a hospital. The study aimed at analyzing conceptual and practical ...

Background and Objectives: Virtual inertia control, as a component of a virtual synchronous generator, is used for the implementation of synchronous generator behaviour in microgrids. In microgrids that include high-capacity distributed generation resources, in addition to virtual inertia, virtual damping can also lead to improvement of frequency stability of the microgrid. The purpose of the c...

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