Since one of the most important sources of information for investors and other beneficial is dividends forecast, this study tries to find models for predicting variables effective on dividend.To do this, information from chemical companies listed in Tehran Stock Exchange during the years 2006 to 2010 are used.The independent variables are Tank acco
Spiral-coil-type horizontal ground heat exchangers (GHEs) have been increasingly used in ground source heat pump (GSHP) systems due to their higher heat transfer performance.Many attempts have been made to investigate the heat transfer mechanism and establish design methods for the spiral-coil-type ground heat exchangers.Nevertheless, a leather hea
Two photorespiratory mutants of Lotus japonicus deficient Mask in plastid glutamine synthetase (GS2) were examined for their capacity to establish symbiotic association with Mesorhizobium loti bacteria.Biosynthetic glutamine synthetase (GS) activity was reduced by around 40% in crude nodule extracts from mutant plants as compared with the wild type
Introduction: Macrophages, the cells of the innate immunity play the significant role in immune reactions.In the early stages of inflammatory processes they are the main source of pro-inflammatory cytokines.Cytokines are produced during the interaction of Foot Plate cells with antigen and play an important role in the activation and regulation of i