one of the most important steps involved in mining operations is to select an appropriate extraction method for mine resources. after choosing the extraction method, it is usually impossible to replace it with another one because it may be so expensive that implementation of the entire project could be economically impossible. choosing a mining method depends on the geological and geometrical c...

supplier selection is one of the critical activities for firms to gain competitive advantage and achieve the objectives of the whole supply chain. in this paper based on a dea-topsis method for madm problems a flexible strategy for supplier selection is introduced

 The purpose of this study is to identify spouse selection criteria among Islamic Azad university students in Malayer.The research was based on survey method and a questionnaire is used to collect data. The sample size was 365 participants who selected based on classified sampling. The data was analyzed using statistical analysis. Also sociological theories including theories of marriage used t...

background & aim: black seed or black cumin (nigella sativa l.) belongs the family ranunculaceae. black seed is one of these species, which is naturally distributed in different parts of the country. it is extensively cultivated in various regions of iran.  experimental: the experiment was achieved using randomized complete block design with three replications in the research field of islam...

in recent years, acquiring information of remote sensing data, especially satellite data has excessively increased and several methods are presented in order to improve the quality of remote sensing studies in earth sciences. it is possible to manage many projects and provide different types of thematic maps in a short period of time, and a low cost by utilizing satellite data and gis method. r...