نتایج جستجو برای: today many countries have water shortage problems

تعداد نتایج: 4308633  

Journal: :journal of hydraulic structures 2014
mojtaba rafiee ali mohammad akhond ali hadi moazed steve w. lyon nemat jaafarzadeh

human activities in the recent years have considerably increased the rate of water pollution in many regions of the world. in this case study, the main sources of wastewater discharging into the gargar river were identified. using river and point source flow rates and water quality parameters measured along the river, the river water quality was simulated using a commonly used, one-dimensional ...

2010
Kamal Azrague

Delhi, the capital city of India is facing many problems of water shortage which are exacerbated by the population growth, urbanization, industrialization and migration. As part of the WP 7.9 of the TECHNEAU integrated project, the feasibility of the OBM process combined with river bank filtration to provide a sustainable and safe drinking water supply for Delhi is investigated within this repo...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید مدنی آذربایجان - دانشکده زبانهای خارجی 1391

since esp received universal attention to smooth the path for academic studies and productions, a great deal of research and studies have been directed towards this area. swales’ (1990) model of ra introduction move analysis has served a pioneering role of guiding many relevant studies and has proven to be productive in terms of helpful guidelines that are the outcome of voluminous productions ...

Journal: :علوم و فنون بسته بندی 0
نگین نیک بین سعید مهدوی

in this study, the usage of starch as adhesives in packaging industry and improving the properties of starch on the development of its applications have been discussed. starch is widely used in various industries, but in the celluloses packaging industry it can be just used as a coating binder, sizing agent or adhesive industries. in these industries, high print quality, low water absorption an...

Journal: :international journal of reproductive biomedicine 0
leila alizadeh reza omani samani

the use of donated embryos has offered hope for infertile couples who have no other means to have children. in iran, fertility centers use fertile couples as embryo donors. in this paper, the advantages and disadvantages of this procedure will be discussed. we conclude that embryo-donation should be performed with frozen embryos thus preventing healthy donors from being harmed by fertility drug...

2014
Manish Kumar Gurmeet Singh Tushara Chaminda Pham Van Quan Keisuke Kuroda

1 Department of Environmental Science, Tezpur University, Tezpur, Assam 784028, India 2 Jawaharlal Nehru University, New Delhi, India 3 Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, Galle, Sri Lanka 4Hanoi Architectural University, Vietnam 5Center for Environmental Risk Research, National Institute for Environmental Studies (NIES), 16-2 Onogawa...

Journal: :اکو هیدرولوژی 0
مریم یزدان پرست دانشجوی کارشناسی ارشد آبخیزداری، دانشکدۀ منابع طبیعی و محیط زیست، دانشگاه فردوسی مشهد، مشهد ابوالفضل مساعدی استاد، دانشکدۀ منابع طبیعی و محیط زیست، دانشگاه فردوسی مشهد، مشهد سعیدرضا خداشناس استاد، دانشکدۀ کشاورزی، دانشگاه فردوسی مشهد، مشهد علی گلکاریان استادیار، دانشکدۀ منابع طبیعی و محیط زیست، دانشگاه فردوسی مشهد، مشهد محمد حسین محمودی قرائی دانشیار، دانشکدۀ علوم، دانشگاه فردوسی مشهد، مشهد

today, water resources stored in reservoirs is one of the basic sources of drinking-water. the elements in the sediments of reservoirs are the most important factors affecting water quality. unlike the primary plan, due to water shortage problems, nowadays, almost all the stored water in the kardeh reservoir is allocated to drinking water. from the other side in the catchment area of this dam a...

Behnaz Nejati Mofid Shateri Mohammad Reza Bakhshi

In recent years, farming section of South Khorasan Province faces different limitations such as increasing shortage of water resources and continuous reduction of weather showers.Considering consecutive droughts and water crisis in agricultural plain of the province, it is necessary to use water resources optimally and increase productivity of water shortage input. Comparison of water productiv...

Journal: :International journal of nursing studies 2005
Hong Lu Alison E While K Louise Barriball

The current nursing shortage and high turnover is of great concern in many countries because of its impact upon the efficiency and effectiveness of any health-care delivery system. Recruitment and retention of nurses are persistent problems associated with job satisfaction. This paper analyses the growing literature relating to job satisfaction among nurses and concludes that more research is r...

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