نتایج جستجو برای: water distribution system

تعداد نتایج: 3171825  

Journal: :Misr Journal of Agricultural Engineering 2016

Journal: :Çukurova Üniversitesi Mühendislik Fakültesi Dergisi 2022

This paper proposes an optimized, gravity-looped water network for tented camps as a replacement of the trucking method, which depends on conveying from resource to tanks set up within by trucks, allowing people carry through containers their tent; this method is used supply live in with when providing cannot be met other ways. The
 cost installing minimized using Linear Programming select...

Journal: :iranian journal of health sciences 0
ahmad reza yari department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran shahram nazari department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran amir hossein mahvi department of environmental health engineering, school of public health, tehran university of medical sciences, tehran, iran gharib majidi department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran soudabeh alizadeh matboo department of environmental health engineering, school of public health, ardabil university of medical sciences, ardabil, iran mehdi fazlzadeh department of environmental health engineering, school of public health, ardabil university of medical sciences, ardabil, iran

background and purpose: fluoride is a natural element essential for human nutrition due to its benefits for dental enamel. it is well-documented that standard amounts of fluoride in drinkingwater can decrease the rate of dental caries. this study was conducted with the aim of measuring fluoride concentration of drinking-water supplies and urban distribution system in qom, iran. materials and me...

Atefeh Jaleilzadeh Mahdi Toosi Marzyeh Ghaesari Mohammad Safari Zahra Soleimani,

One of the great concerns of potable water consumers regarding its quality is the pollution of potable water with pathogenic microorganisms. Fungi in drinking water are responsible for changing the taste and odor of water. Health problems are possible, originating from mycotoxins, animal pathogens and allergies. Water samples were collected between December 2014 and June 2015 from different sit...

Ahmad Zare Javid, Darioush Ranjbar Vakil Abadi, Maryam Ravanbakhsh, Shirin Ardeshirzadeh, Kambis Ahmadi Angali, Nematollah Jafarzadeh,

Background: Internal corrosion and the formation of scale in water distribution pipes are the most important problems for an urban water distribution system. Physical, chemical, or biological factors can lead to these two processes. Internal corrosion and scale formation can impact health, economy, and aesthetics. This study assessed the physicochemical quality parameters and evaluated the pote...

Journal: :international journal of environmental research 0
m. tabesh center of excellence for engineering and management of infrastructures, school of civil engineering, university of tehran, p.o.box: 11155-4563, tehran, iran b. azadi school of civil engineering, university of tehran, tehran, iran a. roozbahani school of civil engineering, university of tehran, tehran, iran

a methodology is presented in this paper to find optimal location and dosage of chlorine injection in water distribution networks. the objective is to minimize the chlorine consumption while keeping the residual chlorine at each node within the standard range. unfortunately because of wrong water quality management in water distribution networks in many parts of the world, many problems such as...

Journal: :تحقیقات مهندسی کشاورزی 0
علی اصغر قائمی استادیار بخش آبیاری دانشکده کشاورزی دانشگاه شیراز

center pivot irrigation system is used as a modern irrigation method in different parts of iran. unfortunately due to lack of proper design and hydraulic shortcomings of the system in several agricultural lands in iran, the efficiency of the center pivot irrigation system is low or unacceptable. low system efficiency results in non-uniformity of water distribution along the lateral and on the c...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید