background textile dyes are the largest organic compounds associated with some problems for the environment. advanced oxidation process is the most effective method for dye removal from wastewater. objectives the aim of this study was to investigate the efficiency of the photo fenton process for decolorization of direct red 81 (dr 81) dye, and to determine the optimal process conditions. method...

Objective: The aims of this study were to determine energy efficiency and CO2 use pattern of grape production in Zanjan province, Iran by a non-parametric method of data envelopment analysis (DEA). Methods: Initial data were collected using a face to face questionnaire from 42 orchards in Abhar city of Zanjan province which is one of the most important centers of grape production in ...

abstract objectives: this study aimed to determine the effectiveness of schema therapy in the treatment of social anxiety disorder.method: the research method was a single-case experimental design with multiple baselines. five patients were selected by purposive sampling method. they were treated in 20 individual sessions according to young's schema therapy model. the data were collected by tes...

Live pigs are still the mainstay of livestock sub-sector exports inIndonesia. Although pig farming in Indonesia has competitivenessin international market, its productivity shows a decliningcondition. The purpose this research is to measure level oftechnical efficiency small-scale breeding and fatteningbusinesses. data used come from results FarmHousehold Survey conducted by Central Bureau Stat...

the input-oriented data envelopment analysis was used to measure the water use efficiency and productivity indices of tehran over the period 2005-13. meanwhile, the correlation between water uses and regional economic activities was examined using the gross regional domestic product index. the results indicated that the total productivity was improved 1.8% and 1.68% aspect of technical efficien...

conclusions in conclusion, the electrocoagulation process can be used for removing nitrate from water resources because of high efficiency, simplicity, and relatively low cost. results results of the present study showed that the removal efficiency was increased from 27% to 86% as ph increased from 3 to 11 at the optimal condition of 30 v and 75 min operation time. moreover, by increasing the r...