نتایج جستجو برای: water system management

تعداد نتایج: 3334288  

2007
Chunjiang Zhao Yunhe Zhang Cheng Wang Xiaojun Qiao Ruirui Hao Yueying Yang

Traditional water-saving irrigation management turns on water pump in a settled interval decided by grower’s experience. The method just saves water on the back of losing yield. In order to result the problem, a kind of greenhouse efficient irrigation management system based on Evapotranspiration has been developed. The system includes greenhouse environmental monitoring subsystem, irrigation a...

Journal: :international journal of civil engineering 0
f. nasirzadeh payame noor university, faculty of engineering, po box 19395-3697, tehran, iran m. khanzadi iran university of science and technology a. afshar iran university of science and technology s. howick starthclyde university

this research presents a dynamic mathematical system for modeling and simulating the quality management process in construction projects. through sets of cause and effect feedback loops, all factors that internally and externally affect the quality management process are addressed. the proposed system integrates fuzzy logic with system dynamics simulation scheme to consider the uncertainties as...

اسدی, فاطمه, ایوانی, علی, درگاهی, عبداله, ستاره, پرستو, سلطانیان, محمد, صالح, الهه ,

Abstract Background and purpose: Geographic information system (GIS) and appropriate statistical method for management and analysis of groundwater has been growing rapidly. New devices and information support system has a significant role in management of water resources, especially in limited and valuable water resources. The aim of this study was to evaluate the changes in the physicochemi...

2015
Y. P. Li

a r t i c l e i n f o In this study, a fuzzy-boundary interval-stochastic programming (FBISP) method is developed for planning water resources management systems under uncertainty. The developed FBISP method can deal with uncertainties expressed as probability distributions and fuzzy-boundary intervals. With the aid of an interactive algorithm woven with a vertex analysis, solutions for FBISP m...

Journal: :DEStech Transactions on Computer Science and Engineering 2017

Journal: :Water 2021

Sustainable water use has become a critical issue for the future of planet in face highly probable climate change. The drinking supply sector made significant progress over last 20 years, although improvements management urban hydraulic infrastructures are still required. proposed system, Integrated Tool Water Supply Systems Management (ITWSM), built on three interconnected modules (QGIS databa...

2006
Trung V. Nguyen

PEMFCs depend on proper water management to obtain high power density and energy efficiency. Traditionally, water management has been addressed by system design and engineering. That is, by adding auxiliary systems to the basic fuel cell system to provide humidification to the anode and remove water from the cathode. This approach adds significant complexities and costs and reduces the overall ...

2012
Xuehua Zhang Hongwei Zhang Baoan Zhang

Over the past decades, controversial and conflict-laden water allocation issues among competing domestic, industrial and agricultural water use as well as urban environmental flows have raised increasing concerns (Huang & Chang, 2003); Particularly, Such competition has been exacerbated by the growing population, rapidly economic growth, deteriorating quality of water resources, and shrinking w...

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