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sediments are generally regarded as the sink for dissolved elements carried out to the sea by rivers. in order to study the source and mechanism of metal transport in sea water, 123 surface sediment samples were taken by using grab sampler in the northwest part of the persian gulf in summer. grain size analysis and geochemical analysis by icp-oes were carried out on samples after sample prepara...

development in the production of agricultural products can take place in two ways: 1) increasing the inputs, which due to limitations in resources is possible only up to a specified level. the second possibility is to increase the productivity of the units by making use of new technologies. technology is defined as, substituting new ways of production for the old ones to increase production per...

some parts of semitropical regions in khouzestan, fars, kohgiloyieh-va-boyrahmad, lorestan, golestan, ardabil, kermanshah and boushehr provinces specified to spring barley cultivation which local or a few improved cultivars are grown there. barley breeding activities in dryland agricultural research institute(dari) are continuously undertaken in gachsaran, kouhdasht, gonbad and moghan to introd...

prosopis cineraria (l.) druce (kahour in persian) is a native and indicative species of saharo-sindian region. prosopis forest in iran extends from the beach of persian gulf and oman sea in boushehr, hormozgan and sistan-baluchistan provinces to south of kerman province. in this research ecological conditions of prosopis such as floristic diversity, climate, soil and the biomass were studied. i...

coastal area sensitivity assessment is in fact, the assessment of an extraordinary ecological rich region, in spite of existing environmental polluting factors. this study has been based on established criteria and values. the aim of this sensitivity assessment has been to give objectivity to the boushehr province coastline region, so as to be able to pinpoint areas requiring ecological conserv...

solid waste management system is a collection of activities used for regulate society waste in the manner of engineering and sanitary. in order to have waste management system in rural areas there should be appropriate building capacity. the status quo of functional elements in rural solid waste management system in iran includes collecting and disposing in the ground. the mean of per capita pr...

objective: mental health is one of the evaluating factors of community indicators, and physical activity is considered an important tool for the importance of public health. previous studies have demonstrated associations between physical activity and mental health, but these studies did not include those populations in which training children have some traditional and religious aspects. method...