نتایج جستجو برای: consumption water

تعداد نتایج: 747239  

Journal: :اقتصاد و توسعه کشاورزی 0
صمد عرفانی فر منصور زیبایی مهدی کسرایی

in this study, the optimal cropping patterns based on individual aims are presented and followed by a multi-objective cropping pattern with emphasize on the use of conservation tillage methods in darab region presented. individual goals consisted of maximizing gross margin and food secin this study, the optimal cropping patterns based on individual aims were presented and followed by using a mu...

Journal: :CoRR 2017
Gal Oren Nerya Y. Stroh

In this article we introduce the principles to detect leakage using a mathematical model based on machine learning and domestic water consumption monitoring in real time. The model uses data which is measured from a water meter, analyzes the water consumption, and uses two criteria simultaneously: deviation from the average consumption, and comparison of steady water consumptions over a period ...

Water requirements in many large water supply systems are provided by mixing water withdrawal from surface and underground resources with different quantity and quality.Water supply from underground sources requires energy consumption and surface water resources are limited and unstable.The aim of this research is managing optimal supply of required water of system with minimum energy cost and ...

Journal: Desert 2009
A. Ahmadian A. Malekian H. Ghasemi

Shortage of water resources and increasing demand to consumption of this scarce resource, leads to somenoticeable limitations. On the other hand, population growth and consequently, increasing demand for water in aridand semi arid regions , needs production in exchange of little amount of water consumption. To approach thisobjective, an experiment in the complete randomized blocks carried out i...

Since less than 1 percent of world waters are potable, minimizing water consumption is a significant issue. The aim of this study is to present a suitable algorithm for optimization of water consumption in water pinch analysis. In this regard, the results of computer algorithm are verified by the results of previous studies. As a case study, dissolved solid pollutants are taken into considerati...

2016
Jian Yin Huixiao Wang Yan Cai Arjen Y. Hoekstra Ashok K. Chapagain

In the Yellow River basin, China, ecosystems suffer from the overexploitation and utilization of water resources, resulting in various environmental impacts. Consideration must be given to both human and ecosystem water requirements in water resources management. A water footprint (WF) is a tool for estimating industrial, agricultural, commercial and household water requirements and for examini...

Journal: :Public health nutrition 2011
Jenny Veitch Amika Singh Maartje M van Stralen Willem van Mechelen Johannes Brug Mai Jm Chinapaw

OBJECTIVE The Dutch Obesity Intervention in Teenagers (DOiT) is a school-based randomised controlled trial that was effective in decreasing the consumption of sugar-sweetened beverages among adolescents. The present study examined, using mediation analysis, whether this decrease in consumption of sugar-sweetened beverages could be explained by an increase in the consumption of water or diet dri...

Journal: :Journal of environmental science and health. Part C, Environmental carcinogenesis & ecotoxicology reviews 2008
Kannan Krishnan Richard Carrier

In establishing the guideline values for chemical contaminants in drinking water, the contribution of inhalation and dermal routes associated with showering/bathing needs to be evaluated. The present article reviews the current approaches available for evaluating the importance of inhalation and dermal routes of exposure to drinking water contaminants (DWCs) and integrates them within a 2-tier ...

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