نتایج جستجو برای: qualitative and quantitative deficiency of water resources
تعداد نتایج: 24125806 فیلتر نتایج به سال:
Increasing water demand and reducing its contaminations are the main concerns and challenges for water resource managers and planner due to its limited sources and high value. This study aims to assess and understand the factors which threaten the quality of groundwater resources and to achieve this, samples were taken from 14 active wells in District 3 of the Municipality of Tehran. After cate...
the main purpose of this study was to explore the factors affecting optimal management of agricultural water in hamadan's area. the statistical population of the study included all hamadan's farmers. a number of 148 farmers were selected randomly through a proportional sampling method in two phases. both questionnaire and interview techniques were used in order to collect data. the empirical an...
The aim of this study is to design a model based on the paradigm role of education management in the excellence of educational organizations in the twenty regions of Iran. Therefore, the mixed research method was used and data were collected in two quantitative and qualitative stages.In the first stage, interviews with 16 experts of railway training , practical implementation of ten commandme...
The aim of this study was to present a model of talent management in high schools of Tehran. The research was applied and developmental in terms of purpose, and was mixed in terms of data collection. In the qualitative part, the deductive content analysis method was used and in the quantitative part, the survey method was used, specifically based on the structural equation model (SEM). The stat...
The current scientific studies have shown that extensive quantities of synthetic pigments are used worldwide in diverse industries. Synthetic enormous toxicity issues compared to natural colorants and dyes industrial usage. Diverse microbial communities, including fungi, bacteria, archaea, yeast biopigment producers. However, the aforementioned biopigments expensive, least efficient, less eco-f...
iran, for it's socio-economic development is faced with limitations, because of growing population, economic drawbacks and shortcomings in resources. therefore, country planning should be based on considering the limitations. at present, water treatment industry in iran is regarded as one of the major development activities needing a comperehensive management with both quantitative and qua...
The aim of this study is to design a model based on the paradigm role of education management in the excellence of educational organizations in the twenty regions of Iran. Therefore, the mixed research method was used and data were collected in two quantitative and qualitative stages.In the first stage, interviews with 16 experts of railway training , practical implementation of ten commandme...
The aim of this study was to present a model of talent management in high schools of Tehran. The research was applied and developmental in terms of purpose, and was mixed in terms of data collection. In the qualitative part, the deductive content analysis method was used and in the quantitative part, the survey method was used, specifically based on the structural equation model (SEM). The stat...
This research utilises the sustainable livelihood approach to evaluate the livelihood assets and resources and identify key challenges and development opportunities in a village in Southern Lebanon. Primary data using quantitative (structured questionnaire) and qualitative (semi-structured interview) methods were collected. The findings highlight the weak resource management and monitoring of v...
The purpose of the present study was to identify the encountered challenges and problems of undergraduates when passing the training course. The paradigm of the present study was mixed method (qualitative-quantitative). The last year undergraduate students (2015-2016) at Ramin Agriculture and Natural Resources University of Khuzestan considered as the population in both qualitative and quantita...
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