نتایج جستجو برای: water demand

تعداد نتایج: 686454  

Journal: :International journal of environmental health research 2015
Kenan Okurut Robinah Nakawunde Kulabako Jonathan Chenoweth Katrina Charles

Sanitation improvement is crucial in saving lives that are lost due to water contamination. Progress towards achieving full sanitation coverage is still slow in low-income informal settlements in most developing countries. Furthermore, resources are being wasted on installing facilities that are later misused or never used because they do not meet the local demand. Understanding demand for impr...

2013
S. V. A. R. Sastry B. Sarva Rao

The most important necessity for life is water. Shortage of clean & fresh drinking water leads to suffering. This is mainly contributed by generation of sewage waste mixed with the water bodies, due to unplanned urbanization and has largely contributed to the causing severe water pollution. Pollutants discharged in waste waters can be toxic to aquatic life and cause natural waters to be unfit t...

Journal: :international journal of agricultural management and development 2014
javad shahraki neda aliahmadi

the main goal of this study was to investigate the way of affecting of water in production of cucumber. from aspect of econometrics, mutual relationships of production function and expenses have been analyzed in which translog cost function has been used. this function has been estimated using the conditional input demand functions, the shefard theorem, chemical fertilizer, animal fertilizer, l...

Journal: :آب و خاک 0
راضیه خلیلی راد سیدخلاق میرنیا حسینعلی بهرامی

abstract plant roots absorb water and minerals from soil solution. plant production is a function of root distribution and its activity in soil. by increasing root density in soil unit volume, roots absorb more water and minerals. this implies that knowledge of root development is an important factor for crop production. to determine the most suitable amount of water for the maximum development...

Journal: :international archives of health sciences 0
mostafaii gh.r. “social determinants of health research center” and “environment health department, public health faculty”, kashan university of medical sciences, kashan, iran miranzadeh m.b. no. 1, shabnam 4 alley, police square, kashan, iran khodadadi r. environmental health department, health faculty, kashan university of medical sciences, kashan, iran iranshahi l. environmental health department, health faculty, kashan university of medical sciences, kashan, iran alinejad a. environmental health department, health faculty, shahid beheshti university of medical sciences, tehran, iran hakimi n. environmental health department, health faculty, kashan university of medical sciences, kashan, iran

aims: regarding water as the main source of brio, not only its quantity and being availability is vital, but also its quality must be considered. this study was done in order to determine the correlation between physicochemical bod5 and microbiological parameters (fc and tc) in the kashan university of medical sciences wastewater effluent of activated sludge system.  materials & methods: this d...

Journal: :Journal of water and health 2006
A D Karathanasis T G Mueller B Boone Y L Thompson

This study evaluated the effectiveness of soils with different textures and thickness to treat BOD, N and P eluted from household septic effluent. The assessments were accomplished by leaching undisturbed soil monoliths of 30, 45 and 60 cm thickness and 25 cm in diameter, representing the four different textural groups and hydraulic loadings recommended by the Kentucky Health Department, with d...

2017
Dariush Ranjbar Vakilabadi Bahman Ramavandi Amir Hessam Hassani Ghasemali Omrani

Landfill leachate contains heavy organic pollutants, which pollute ground and surface waters. This dataset applied a newly-introduced catalyst, Cu/Mg/Al-chitosan, for a landfill leachate treatment during a catalytic oxidation. The data of chemical oxygen demand (COD) and colour removal from the leachate was reported as a function of reaction time (20-460 min). Economic evaluation data of the Cu...

2016
Yi Wang Bin He Weili Duan Weihong Li Pingping Luo Bam H. N. Razafindrabe Jun Xu

In this study, in order to determine the efficiency of estimating annual water pollution loads from remote-sensed land cover classification and ground-observed hydrological data, an empirical model was investigated. Remote sensing data imagery from National Oceanic and Atmospheric Administration (NOAA) Advanced Very High Resolution Radiometer were applied to an 11 year (1994–2004) water quality...

2006
Abdullah M. Mohorjy Ahmed M. Khan

This paper presents the results of preliminary assessment of water quality along Red Sea coast adjoining Jeddah, Saudi Arabia. Jeddah is a major city with a population of over 2.6 million and an area 1,200 km. To study the impacts, samples of the Red Sea were collected from 24 important locations near Jeddah and analyzed in the laboratory for various water quality parameters. These parameters i...

2015
Ijeoma Favour Vincent-Akpu Andrew N. Tyler Clare Wilson Gillian Mackinnon

Some physico-chemical properties and the concentrations of the metals Fe, Mn, Ni, Cd, Cr, Co, Cu, Pb, and Zn in water and sediments were examined from September 2011 to January 2012 in Bodo Creek, where oil spills have been recurrent. Temperature, pH, total dissolved solid, conductivity, salinity, dissolved oxygen, biological oxygen demand (BOD), chemical oxygen demand (COD), total hardness, su...

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