نتایج جستجو برای: supplying potable water for tehran city

تعداد نتایج: 10647368  

Journal: :journal of structural engineering and geo-techniques 2012
s. f ashrafi m behzad a naseri h ghafarian malmiri

in this study, the feasibility of using magnetic technology to reduce the dispersion of soil has been investigated. the reference treatment was potable water and 3 magnetic water devices (with different magnetic intensities) were used for magnetizing the potable water. the results showed that the magnetic field has a significant effect in order of 5 percent on increasing of magnesium concentrat...

Journal: :Environmental Health Perspectives 1999
W D Burrows S E Renner

Nearly all known biological warfare agents are intended for aerosol application. Although less effective as potable water threats, many are potentially capable of inflicting heavy casualties when ingested. Significant loss of mission capability can be anticipated even when complete recovery is possible. Properly maintained field army water purification equipment can counter this threat, but per...

Journal: :Applied and environmental microbiology 2014
Andrée F Maheux Dominique K Boudreau Marc-Antoine Bisson Vanessa Dion-Dupont Sébastien Bouchard Martine Nkuranga Michel G Bergeron Manuel J Rodriguez

This work demonstrates the ability of a bacterial concentration and recovery procedure combined with three different PCR assays targeting the lacZ, wecG, and 16S rRNA genes, respectively, to detect the presence of total coliforms in 100-ml samples of potable water (presence/absence test). PCR assays were first compared to the culture-based Colilert and MI agar methods to determine their ability...

Journal: :Journal of environmental quality 2010
Declan Page Peter Dillon Joanne Vanderzalm Simon Toze Jatinder Sidhu Karen Barry Kerry Levett Sarah Kremer Rudi Regel

The objective of the Parafield Aquifer Storage Transfer and Recovery research project in South Australia is to determine whether stormwater from an urban catchment that is treated in a constructed wetland and stored in an initially brackish aquifer before recovery can meet potable water standards. The water produced by the stormwater harvesting system, which included a constructed wetland, was ...

2017
Joanne Vanderzalm Kerry Levett Declan Page Peter Dillon Simon Toze

Urbanisation and the subsequent increase in impervious land use generate increased urban stormwater which can be recycled viamanaged aquifer recharge (MAR) to supplement more traditional surface or ground water supplies. This paper compares the quality of stormwater from two urban catchments in South Australia to assess the risks, in accordance with the Australian Guidelines for Water Recycling...

Journal: :iranian journal of electrical and electronic engineering 0
r. ghaffarpour tehran b. mozafari tehran a. ranjbar tehran

the continuous spread of distributed energy resources (ders) such as combined heating and power (chp), diesel generators, boilers and renewable energy sources provide an effective solution to energy related problems to serve the power and heat demands with minimum cost. moreover, the ders may play a significant role for supplying power and heat in rural areas, where grid electricity is not avai...

2015
Laura A. Onyango Chloe Quinn Keng H. Tng James G. Wood Greg Leslie

Potable reuse is implemented in several countries around the world to augment strained water supplies. This article presents a public health perspective on potable reuse by comparing the critical infrastructure and institutional capacity characteristics of two well-established potable reuse schemes with conventional drinking water schemes in developed nations that have experienced waterborne ou...

The continuous spread of distributed energy resources (DERs) such as combined heating and power (CHP), diesel generators, boilers and renewable energy sources provide an effective solution to energy related problems to serve the power and heat demands with minimum cost. Moreover, the DERs may play a significant role for supplying power and heat in rural areas, where grid electricity is not avai...

2016
B. Cardenas M. D. Dukes

Most soil moisture sensor systems (SMSs) marketed for landscape irrigation respond to the dielectric permittivity of the soil. Compared to potable water (PW), reclaimed water (RW) may contain more salts, which can modify the dielectric permittivity of the soil and, hence, alter the readings of SMSs when measuring the soil water content. The main objectives of this experiment were to evaluate th...

2005
Gregory Bova

The Johns Hopkins Hospital in 1999 began to evaluate the safety and efficacy of chlorine dioxide for Legionella control in a potable water system in an acute care hospital environment. The evaluation includes chlorine dioxide, its by-products and their impact on Legionella and pathogenic bacteria, biofilm, medical and laboratory filtration systems, corrosion rates and the environment. The appli...

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