نتایج جستجو برای: موجبر ridge gap
تعداد نتایج: 156732 فیلتر نتایج به سال:
where v, is the initial velocity of the electrons, x j s the distance from the ridge centre into the drift section and V cos mt, is the voltage drop across the ridged gap in the cavity measured at t = to. For a negligible-electron transit time and a very small hole opening of cavity, V = E&’ with Eo the peak amplitude of the electric field at the hole opening. Consequently the hunching current ...
background and aims. autogenous onlay bone grafting is a common procedure for alveolar ridge augmentation. it has been suggested that the amount of healed bone after this technique would be significantly less than the initial quantity. the aim of this study was to determine the relationship between the various parameters influencing the outcome of ridge augmentation procedures. materials and me...
Spallation Neutron Source, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6473, Chemical Sciences DiVision, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6110, Department of Chemical Engineering, Vanderbilt UniVersity, NashVille, Tennessee 37235-1604, Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6496, and EnVironmental...
bilateral finger and palm prints of 500 males and 500 females of the caucasian origin in south iran have been collected and analyzed for both qualitative and quantitative dermatoglyhic features. results show that most of the qualitative features on bilateral and bisexual differences are not significant. however, quantitative features frequently showed significant differences both bilaterally an...
Background Dermatoglyphics could assist in the diagnosis of congenital abnormalities. The aim of this study was to identify the dermatoglyphic patterns (finger print pattern type, total ridge count of each finger, a-b ridge count, and articulotrochanteric distance [ATD angles]) in the parents of cystic fibrosis children. Materials and Methods We recruited 75 parents of children with cystic fibr...
The combination of the Pine Island Ice Shelf (PIIS) draft and a seabed ridge beneath it form topographic barrier, restricting access warm Circumpolar Deep Water to cavity inshore ridge, thus exerting an important control on PIIS basal ablation. In addition, has recently experienced several large calving events further could significantly alter geometry. Changes in ice front location, together w...
در موجبر مستطیلی? به دلیل اینکه دیواره های باریک این موجبر از سطوح pec? تشکیل شده اند شرط لازم برای انتشار مد tem در داخل این موجبر ارضا نمی شود? جهت ارضا این شرایط بایستی دیواره های باریک موجبر مستطیلی با یک هادی کامل مغناطیسی( pmc) جایگزین شود? تحت این شرایط توزیع میدان در داخل موجبر کاملا یکنواخت شده? بنابراین بازده روزنه تک تک شکاف های ایجاد شده افزایش یافته و باعث افزایش کارایی در آنتن های...
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