نتایج جستجو برای: water distribution pattern

تعداد نتایج: 1429196  

Journal: :jundishapur journal of health sciences 0
shahram moshashaian khouzestan water and wastewater company, ahvaz, ir iran abdolkazem neisi department of environmental health engineering and environmental technologies research centre, ahvaz jundishapur university of medical sciences, ahvaz, ir iran afshin takdastan department of environmental health engineering and environmental technologies research centre, ahvaz jundishapur university of medical sciences, ahvaz, ir iran afshin takdastan department of environmental health engineering and environmental technologies research centre, ahvaz jundishapur university of medical sciences, ahvaz, ir iran

based on langelier, corrosion index of water in the distribution system was balanced. shadegan is a city and the capital of shadegan county in khuzestan province, iran. it has an area of 3197 m2 and located 84 km south of ahvaz. water distribution system serves 70,000 people in the city and the total consumed drinking water is 28525 m3per day (3,4).this descriptive, cross sectional study examin...

Journal: :تحقیقات مهندسی کشاورزی 0
منصور معیری عضو هیئت علمی بخش تحقیقات فنی و مهندسی کشاورزی مرکز تحقیقات کشاورزی صفی آباد - دزفول ابراهیم پذیرا عضو هیات علمی دانشگاه آزاد اسلامی واحد علوم تحقیقات تهران حمید سیادت عضو هیات علمی دانشگاه آزاد اسلامی واحد علوم تحقیقات تهران فریبرز عباسی عضو هیات علمی موسسه تحقیقات فنی و مهندسی کشاورزی فریدون کاوه عضو هیات علمی دانشگاه آزاد اسلامی واحد علوم تحقیقات تهران

in arid, semiarid, and mediterranean climates, particularly in west asia and north africa, farmers face limited water resources and must develop irrigation management methods to increase crop production while reducing water use. this study examined methods to reduce irrigation water loss and increase maize water productivity at safiabad agricultural research center in dezful, iran in 2007 and 2...

Journal: :تحقیقات مهندسی کشاورزی 0
جواد باغانی عضو هیئت علمی بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی خراسان سید حسین صدرقائن عضو هیئت علمی موسسه تحقیقات فنی و مهندسی کشاورزی امین کانونی عضو هیئت علمی بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی اردبیل (مغان)

to study the effect of planting pattern and water quantity on potato yields under drip irrigation, this research was conducted using a split plot based on a randomized complete block design with four replications in three regions (mashhad, ardebil and damavand, iran) during 2003-2004. nine treatments were used. the main-plots were three levels of irrigation: 100%(i1), 80%(i2), and 60%(i3) of cr...

2012
Julien Bonnel Barbara Nicolas Jerome I. Mars Dominique Fattaccioli

When recorded on an horizontal array, the acoustic intensity of a broadband source presents a striation pattern due to interferences between modes. This pattern is a robust feature of waveguide propagation and is described by a scalar parameter called waveguide invariant. In classical shallow water configurations, this invariant is close to 1 and has been used to perform source localization or ...

Journal: :Journal of Economics, Business, and Accountancy | Ventura 2010

Journal: :The journal of physical chemistry. B 2015
Marcela Gazitúa Patricio Fuentealba Renato Contreras Rodrigo Ormazábal-Toledo

We herein report on the effect that water molecules, present as impurities, in the vicinity of an ionic liquid model structure, may induce on the Lewis acidity/basicity patterns normally observed in these materials. Depending on the position and orientation of water, the Lewis acidity/basicity pattern changes from "normal distribution" (i.e., the basicity located at the anion moiety and the aci...

Journal: :E3S web of conferences 2023

The water-cut rises quickly and the remaining oil distribution is complex when ultra-low permeability reservoir enters high water cut stage. comprehensive use of engineering, dynamic monitoring, numerical simulation, core experiments other methods, this paper systematically summarizes three types water-driving law characteristics oil, which are pore-fracture flow, flow fracture flow. It conside...

Journal: :Review of Economics 2020

Journal: :international journal of civil engineering 0
kourosh behzadian abdollah ardeshir zoran kapelan dragan savic

a novel approach to determine optimal sampling locations under parameter uncertainty in a water distribution system (wds) for the purpose of its hydraulic model calibration is presented. the problem is formulated as a multi-objective optimisation problem under calibration parameter uncertainty. the objectives are to maximise the calibrated model accuracy and to minimise the number of sampling d...

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