background and purpose     methods:     results:     conclusion:

increasing growth of population leads to increase in human activities such as agriculture and industry, which these activities increasing and irregular usage of fertilizers, pesticides and insecticides result in soil and groundwater pollution. meanwhile, vulnerability assessment can play important role in the management of polluting activities. in this research a new method has been proposed fo...

this research in order to identify and introduction of  cotton  suitable cultivar  or cultivars for the double cropping of after wheat and canola harvesting  was carried out in the northern region of ardebil province. in this study, eight  varieties  of    imported cotton germplasm resources in recent years were chosen   and   with the iran's cultivars included  mehr  and varamin  were eva...

background: gastric cancer (gc) is one of the most commonly diagnosed malignancies. genetic variation in genes encoding cytokines and their receptors, determine the intensity of the inflammatory response, which may contribute to individual differences in the outcome and severity of the disease. interleukin-10 (il-10) is a multifunctional cytokine with both immunosuppressive and antiangiogenic f...

regional analysis is one of the important methods for estimating the low flow in ungagged regions. investigation of the relations between effective factors of hydrological drought is the most important strategy to contrast and reduction of drought losses. in this study to analyze of low flow, the daily discharge data from 20 gauging stations with 25 years period (1988-2012) in the kashafroud ba...

the district of miyān kūh in the ardal town,chahār mahāl bakhtiari province, because of its high mountains, deep valleys and the fields among small mounts, being placed in the path of the was dering tribes has been the focus of the attention. the rigion has two different viewpoint. one part featuring the mounts chēhēl cheshme and gereh with the altitude of more than 3500 m., has cold winter and...

this study was conducted to evaluate the responses of two greenhouse tomato cultivars to nutrient solutions' electrical conductivity (ec). two cluster type greenhouse tomato cultivars (razan and ergon) were grown in perlite in a glasshouse hydroponic system. the grown plants were daily fed with either constant ec nutrient solutions (ecs 2, 3 ds m-1) or nutrient solutions of alternatively c...

most essential oil extraction from medicine plant have shown the properties of antimicrobial of parasites, bacteria, fungi and viruses. the fungus from genus of fusarium is one of the prevalent crop disease that infect a wide range of crops. fusarium solani is one of the species of this fungus genus that various crops are host for it. a lab experiment was conducted to investigate the effect of ...

abstract: one of the most important and complicated social transitions has been growth of worldwide urbanization. the rapid growth of urbanization and cities has had different consequences which is associated with much urban vulnerability. physical, installation, environmental, economical and social inequalities have been the results of such urban growth. this paper aims to study and identify t...

background: acute myeloid leukaemia (aml) is a cancer of blood-forming cells in bone marrow. c-kit gene is a receptor tyrosine kinase class iii (rtk) that is expressed by early hematopoietic progenitor cells and plays an important role in hematopoietic stem cell proliferation, differentiation and survival. it is known that c-kit is a proto-oncogene and the activating c-kit mutations are likely ...