in order to evaluate effect of azotobacter chroococcum strains on yield, yield components and qualitative indices of winter rapeseed (brassica napus l.), an experiment was conducted during 2009-2010 growing season at research institute of rice in rasht. the experimental design was completely randomized block, with three replications. investigated treatments were including control (without seed ...

in this research, the influence of adding micro- and nano- sized calcium carbonate powders to nylon-66 was investigated. mechanical properties of micro and nano- composites, including tensile strength, elongation, and young’s modulus, before and after ageing, were determined and analyzed. for this purpose, micro- and nano-sized caco3 particles were used as fillers to prepare micro-composites (c...

objective(s): lipocalin2 (lcn2) gene is highly expressed in response to various types of cellular stresses. the precise role of lcn2 has not been fully understood yet. however, it plays a key role in controlling vital cellular processes such as proliferation, apoptosis and metabolism. recently it was shown that lcn2 decreases senescence and increases proliferation of mesenchymal stem cells (msc...

cognitive models of obsessive-compulsive disorder (ocd) posit that specific kinds of dysfunctional beliefs underlie the development of this disorder. the aim of present study was to determine whether these beliefs are endorsed more strongly by ocd patients than by those with other anxiety disorders and by community samples. a battery of questionnaires, including the obq-44, moci, bdi-ii, bai, s...

background and purpose: this study intends to identify the numbers and some characteristics of the teachers of various english courses offered at medical universities affiliated to the ministry of health during the second semester of the academic year 2005-6. methods: the methods used in this research were “gathering existing data”, and “descriptive study”. the research was conducted by sending...

background: p e r io d ontal d i s e ase i s a c h ro ni c des t ructi v e d i s e a s e w h ich o ccurs in adults, young people, and children .   perio d ontal disease and periodontal pathoge n s ha v e been associ a ted with se v er a l syste m ic dise a ses and more recen t ly, se v e r a l stu d ies have sug g es te d the relat i o n ship bet w een p e rio d ontal d isease and cancer. stu d...

a case o f the electrical alternans of t he tu wave and peri odic nega t ive u wave associated with c l ini cal symptoms , e lectrocardi ographic a nd postmortem findi ng s o f romano- ward syndrome has been pres ented. no e lec ~ r o l y te d ist urbance was found t o be r esponsible for t his exceptional l y rare situation . changes i n a-v conduct i on and left bu n• d ie branch block could ...

physical activity has physiological, psychological, and social positive effects. however, the relationship between physical activities and depression of the elderly in the country is unknown. this study was designed to examine the relationship between physical activity and depression. the statistical population consisted of the elderly of arak city in 2013 and 263 subjects participate in the st...