نتایج جستجو برای: centers of excellences
تعداد نتایج: 21168966 فیلتر نتایج به سال:
background: the safety of rehabilitation centers is of great importance to ensure the well-being of patients. the present study aimed to determine non-structural and functional vulnerability of state rehabilitation centers of tehran city welfare organization in disasters using national standard instruments in 2014. materials and methods: this study has a descriptive and cross-sectional design. ...
the muslim scholars, philologists and rhetoricians are unanimous that the eloquence of the holy prophet, peace be upon him and his household, is unparalleled and there is nothing like his style and discourse. to put it in other words, the speech of the prophet is beneath the speech of god but above that of people in that it gathers the most comprehensive discourses and wonders of eloquence and ...
Terahertz (THz) radiation can revolutionize modern science and technology. To this date, it remains big challenges to develop intense, coherent and tunable THz radiation sources that can cover the whole THz frequency region either by means of only electronics (both vacuum electronics and semiconductor electronics) or of only photonics (lasers, for example, quantum cascade laser). Here we presen...
Optimizations on 200 kV electrostatic accelerator have been done in order to increasing ion current on target, improving vacuum condition and reduction in x-rays emission, increasing stability of high voltage power supply and reaching much greater achievable voltage value. The accelerator tube has most important effect on beam tracing in the electrostatic accelerators. So precautions most be co...
belief in the lofty positions and excellences of the shi’īte imams (a.s.) and having faith in their miraculous acts and dominion over the world affairs underlies the authentic doctrine of unconditional guardianship (wilāya al-takwīnī). when the imams’ devotees try to maintain a demigod status for the imams in line with this – possibly loving and devotional – belief beyond the conventional limit...
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