among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...

هدف اصلی این پژوهش، ارزیابی عملکرد علمی اعضای هیئت علمی دانشگاه خوارزمی با توجه به مقالات منتشر شده در پایگاه web of science از سال 2000 تا 2010 بر اساس معیاهای علم-سنجی است. در این پژوهش از روش علم سنجی که یکی از روش های کمّی است، استفاده شده است. داده های مورد نیاز این پژوهش از پایگاه web of science استخراج شد. ابتدا سیاهه ای از اعضای هیئت علمی دانشکده ها و مشخصات فردی و دانشگاهی آنان تهیه شد...

The article is an extended version of a talk on the issue given in Half-Day Seminar on the Complications of Scientific Publications held by Iranian Academy of Sciences, on July the ninth of 2019. Apparently, science communication, an old tradition and once very popular according to the literature reviewed, is not well advanced along with the magnificent scientific progress happened during the l...