background & aim: salvia hydrangea is one of the medicinal plants belonging to lamiaceae family. medicinal plants can be marketed as fresh or dried products; however aromatic plants are often dried before extraction to reduce moisture content. the aim of this study was to evaluate the impact of different drying methods on qualitative and quantitative changes in essential oil of sage. experiment...

post-harvest management of potatoes is a major challenge in iran. approximately 30% of the harvest is lostafter a few months of storage. the chemical methods for long term storage are not adequate to controldeterioration and also produce undesirable side effects. to address this issue, a study on radiationpreservation of potatoes was carried out. agria potato bulbs were irradiated using beta be...

eshtehard aquifers are shoor river's catchment basin and water potential in different areas. eshtehard aquifers, because of the diversity of geological formations and structures have different quality and quantity. this paper aims, to determine the relationship between quantitative and qualitative characteristics of water resources with the lithology and structural geological features of t...

the purpose of this study is to investigate the effect of strategic leadership on performance in technology-driven enterprises listed in tehran stock exchange. the research used a mixed methodology for attaining this goal. in the first step, delphi method was used for identification the dimensions and factors of strategic leadership (qualitative). in the next step, the survey method was used fo...