‎in this paper, we present a two-stage model for ranking of decision making units (dmus) using interval analytic hierarchy process (ahp). since the efficiency score of unity is assigned to the efficient units, we evaluate the efficiency of each dmu by basic dea models and calculate the weights of the criteria using proposed model. in the first stage, the proposed model evaluates decision making...

population growth, industrial pollution and high-energy consumption, cause the release of significant amounts of pollutants in the environment. power plants play an important role in the release of pollutants such as sulfur dioxide, nitrogen oxides, and carbon dioxide. if the necessary measures in the field of prevention and control do not be implemented, human health and other living creatures...

several processes have been proposed for natural gas liquefaction due to the vast utilization of lng as a reliable and relatively easy to use fuel. even though the merits and demerits of different process have been studied, a dearth of comprehensive technical and economical comparative investigation of these methods makes further broad examination a necessity. this article is presented to addre...

nurses have long been relied as the major labor force in hospitals. featured with complicated and highly labor-intensive job requirement, multiple pressures from different sources was inevitable. success in identifying stresses and accordingly coping with such stresses is important for job performance of nurses, and service quality of a hospital. purpose of this research is to identify the dete...

qomroud water conveyance tunnel (lot 1&2) with the length of 16 kilometers is considered as one of the greatest development and national projects in iran. since about 2 kilometers of tunnel pass through alluvium and the rest of the tunnel pass through various types of geological units, and due to the complexity of geological condition and variety of effective criteria, suitable selection of...

construction industry is the second most contributor of gross domestic product and the high rates of accidents /fatalities have tarnished the image of construction industry in india. the importance of safety at site cannot be underscored and it needs the combined attention of all stakeholders to address the issue of safety in construction industry in india. although the construction industry pl...

in the way of finding economic and tolerable plant to the arid and semi-arid climatic conditions and prevent desertification in these areas, this study aims to assess agro-climatic suitability for producing saffron in east-azerbaijan province based on geographic information system (gis) spatial analysis technique. for this goal, several criteria including soil conditions, climatological indicat...

petrochemical industries are potentially capable of impacts on environment due to the essence of the activities and producing waste water, pollutant emissions and hazardous wastes. this case study has considered the environmental adverse impacts of petrochemical industries on existing habitats in mahshahr economic special zone with respect to the regional significant biological diversity and ec...

strategic environmental assessment can be viewed as a process to integrate the concept ofsustainable development into planning. in this context, sea can be regarded as a method that regulates theplanning process to a state of sustainable development. however, to reach that goal it is necessary to achieve full integration of planning and the sea process.therefore this paper considers the integra...