نتایج جستجو برای: leakage and consumers water consumption keywords water distribution networks

تعداد نتایج: 17475031  

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی مشهد - دانشکده دندانپزشکی 1390

objective: the objective of this study was to investigate the invitro fluoride release of four new self-adhesive resin cements; set (sdi, australia), breeze (pentron, usa), embrace wetbond (pulpdent, usa), g-cem (gc, japan) and to assess the bonding performance of these self-adhesive resin cements for bonding of orthodontic brackets. materials and methods: for fluoride release experiment, six ...

Atefeh Jaleilzadeh Mahdi Toosi Marzyeh Ghaesari Mohammad Safari Zahra Soleimani,

Controlling the microbiological quality of water is important for its uses. Microbiological requirements of drinking water ensure the absence of coliforms, but may indicate the potential presence of other potentially pathogenic microorganisms and viruses of fecal origin. A total of 36 water samples, representing the drinking water of the whole city of Aradan, Semnan, Iran, were randomly collect...

درخشان, فاطمه, سیاوشی, الهام, کاوسی, زهرا,

Background: Hospitals as major energy consumers can manage their energy consumption by intelligent interventions. Therefore, this study aimed to determine the amount of energy consumption of Water, Electricity, and Gas, and their association with functional indicators in teaching hospitals of Shiraz University of Medical Sciences from 2009 to 2011. Methods: The present study was descriptive ...

Journal: :Sustainability 2021

With the advent of 4th Industrial Revolution, advanced measurement infrastructure and utilization technologies are being noticeably introduced into water supply system to store utilize data. From this perspective, leak detection technology in networks is becoming increasingly vital sustainable resource management clean worldwide. In particular, leakage buried pipelines rated as a very challengi...

Journal: :آب و توسعه پایدار 0
شیوا زارع داریوش حیاتی

according to the current challenges toward low water use efficiency in agriculture, paying attention to the role of public participation in order to improve irrigation efficiency and effectiveness with useful methods and tools is essential. hence, approaches such as participatory irrigation management has been proposed and applied. after the primary investigation in this study, experiences of i...

Journal: :Environmental science & technology 2015
Daren C Gooddy Dan J Lapworth Matthew J Ascott Sarah A Bennett Timothy H E Heaton Ben W J Surridge

Phosphate dosing of drinking water supplies, coupled with leakage from distribution networks, represents a significant input of phosphorus to the environment. The oxygen isotope composition of phosphate (δ(18)OPO4), a novel stable isotope tracer for phosphorus, offers new opportunities to understand the importance of phosphorus derived from sources such as drinking water. We report the first as...

Journal: :تحقیقات نظام سلامت 0
عباس آقاخانی دانشجوی دکتری، دانشکده عمران، دانشگاه صنعتی اصفهان، اصفهان، ایران. محسن سعدانی کارشناس ارشد، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان و مربی، دانشکده بهداشت، دانشگاه علوم پزشکی شهید صدوقی، یزد، ایران مریم فرجی کارشناس ارشد، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. غلامرضا بنیادی نژاد کارشناس ارشد، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران.

background: iran is an arid country and has serious limitations in terms of water recourses. in arid and semi-arid regions this problem is more severe. industry is one of the primary water consumers in the country and appropriate determination of industry water demand is on the most important priorities that should be considered to save water consumption as well as determining the industry wate...

Due to the lack of adequate sources of drinking water and uncertainty about the quality of these sources, along with rising water demand due to population growth, it is important to find a suitable solution to supply drinking water. Rainwater harvesting from roofs and use of natural discharge from springs are among techniques which can replace surface and underground water resources. The city o...

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