the effect of welding residual stresses that was created in thin infill plate of steel plate shear wall system during constructional processes was studied in this research. residual stresses in a welded structure is the result of the non-uniform expansion and contraction and plastic deformation of the weld and surrounding base metal due to heating and cooling cycle, during welding process, this...

the aim of this research is to investigate the effect of carbon fiber reinforced polymer (cfrp) composite fabric on monotonic and fatigue behaviors of reinforced concrete beams. to control the failure occurrence, a small notch was induced at the middle span in bottom surface for all of the studied rc specimens. totally 12 beams were tested from which 6 beams tested under monotonic and 6 other t...

lead is a relatively ubiquitous heavy metal with particular features such as resistance to corrosion, high malleability and wide variety of industrial applications. in medicine, however, it is considered as a slow-acting toxic substance affecting multiple body systems, specifically functioning as a potent neurotoxin in the central nervous system. lead poisoning may be acute or chronic and can b...

it seems that in spite of huge investments made in history of iranian medicine in recent years, the investments and the perspective of results obtained in studies of history of the islamic era medicine is not what was expected. a reason for this phenomenon can be absence of perspective and theoretical studies in this field. in this study, after explaining the how’s and why’s of the theory devel...

islamic golden age, 9-12 century ad, was the period through which persian scientists and physicians were most influential in improving medical sciences including cardiovascular knowledge. although post-islamic golden age witnessed a number of great persian scholars moving cardiovascular concepts forward, they failed to become as well known as their predecessors. one of these scholars was hakim ...

results bahaodowle razi, a persian physician from the 15th century anno domini (ad), reported two epidemics in harat and one in rey (inold persia) for the first time, one century before baillou. he named it as sorfe-ie-am (meaning public cough). those occurred during his lifetime. explaining about his observations and experiences about this epidemic, bahaodowle razi elaborated on prognosis, sym...

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the phenomenon of western sufi teachers is unique, not just because of the individuals themselves, though they are certainly fascinating, but because of what they represent: the flowering of the western genius, which has discovered eastern traditions, absorbed them and in the process changed them and been changed by them. this paper is a primary outline of the main contours of this phenomenon, ...

Depression, though generally episodic, results in lasting disability, distress, and burden. Rising prevalence of depression and suicide in the context of epidemiological transition demands more attention to social dimensions like gender related stresses, dysfunction, and their role in outcome of depression. Cross-sectional and follow-up assessment of men and women with depression at a psychiatr...