in order to standardize sustainable status of environmental management in productive and industrial activities and commercial and economical relationship, the iso 14000 standards series guarantee the minimization of the costs, growth accoptancy of society and trade and environmental quality improvement and natural resources. in fact, these standards will help any organization to improve and sol...

Increasing population in cities demands satisfactory provision of services and infrastructure for the city‘s residents and visitors. The deployment of information and communication technologies to accomplish this objective presents an opportunity for the progress of cities, where management of city and citizens are given access to real-time information about the environment. This paper presents...

educational centers are of those types of organizations to which almost everyone refer during the life to use the services. accordingly, the suitability of safety situation in these organizations is of high importance. the present study aims at investigation of effective factors on safety management in educational-training organizations of metropolises. this study is an applied descriptive rese...

Keywords: Multiple criteria decision making Multiple objective programming Compromise programming Goal programming Analytical hierarchy process a b s t r a c t The intensification of livestock operations in the last few decades has resulted in an increased social concern over the environmental impacts of livestock operations and thus making appropriate manure management decisions increasingly i...

A robust crop model can assist in genetic improvement and cultural management of the crop. The objectives of this study were to describe a wheat (Triticum aestivum L.) model and to report results of its evaluation. The model simulates phenological development, leaf development and senescence, crop mass production and partitioning, plant nitrogen balance, yield formation and soil water and ...