نتایج جستجو برای: income and low
تعداد نتایج: 16961512 فیلتر نتایج به سال:
experiment was conducted as split plot in a randomized complete block design with three replications in kermanshah to shed lights on economic analysis of deficit irrigation and integrated application of biological and chemical fertilizer son cultivation of medicinal plant borage (borago officinalis l). irrigation tritments include: a) 30% less water than crop requires invegetative, b) inreprodu...
fluorescence chemical sensors for the highly sensitive and selective determination of pb2+ , hg2+, co2+ and fe3+ ions in aqueous solutions are described. the ion sensing system was prepared by incorporating lipophilic ligand (l) as a neutral ion-selective fluoroionophore in the plasticized pvc membrane containing sodium tetraphenylborate or potasium tetrakis (p-chlorophenyl) borate as a liphoph...
Introduction: A different factors influence family health care expenditures. This paper was aimed to determine these influential factors on the households in Yazd city(Iran). Methods: a total of 20000 questionnaires were designed, pretested, and used in the province of Yazd, Iran during the three months period of 2007 to collect data included household per- capita health care expenditures, insu...
like other economic markets, housing market is comprised of supply and demand dimensions and equality of supply and demand makes the housing market balanced. the aim of this paper is to investigate the characteristics of housing market of tehran city and some deficiencies of this market with fundamental – applied methodology. the variable studied here is the saleable residential unit with minim...
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