The success of e-Learning is largely dependent on the impact of its multimedia aided learning content on the learner over the hyper media. The e-Learning portals with different proportion of multimedia elements have different impact on the learner, as there is lack of standardization. The Learning Technology System Architecture (LTSA) Layer 1 deals with the effect of environment on the learner....

introduction: although patients do not experience sever pain after laparoscopic surgery, most of them experience acute or chronic pain afterward. while conventional pain killers including nsaid and narcotics in laparoscopic surgery have specific side effects, their application is inevitable. this study compares the efficacy of local anesthetic drugs and conventional pain killers in post-operati...

stable isotope analysis, being used in many research areas, has also been applied in archaeology during the last three decades to address questions regarding the paleoclimatology and ancient diet, mobility and migration. despite the growing number of the application of stable isotope analysis in archaeological studies, there is a very few research in this regard in archaeology of iran. this res...