نتایج جستجو برای: water and wastewater company

تعداد نتایج: 16945892  

Journal: :مدیریت اراضی 0
کامی کابوسی گروه مهندسی آب، واحد گرگان، دانشگاه آزاد اسلامی، گرگان، ایران

this study was conducted to investigate the characteristics of input and output wastewater of the bandargaz wastewater treatment plant on the basis of the data collected during operation and the samples taken during the study period. for this purpose, three samples were taken from the outflow wastewater and 25 quality parameters were tested. also, four soil samples were taken from the soils whi...

تبرزد, امیر, سلیمی, محمد حسین, قائمی, علی اصغر,

Scarcity of conventional water resources and high volume of wastewaters have increased the important role of crop residues to reduce evaporation from soil surface and optimal use of water, especially in greenhouse cultivation. In the present research, the impact of crop residues and fishery’s wastewater on yield, qualitative characteristics and water productivity of cherry tomato was stud...

Journal: :پژوهش آب در کشاورزی 0
رحیم علیمحمدی استادیار واحد تحقیقات فنی و مهندسی کشاورزی، مرکز تحقیقات کشاورزی و منابع طبیعی چهارمحال و بختیاری.

in order to investigate the effect of domestic wastewater and normal water (well water) on soil chemical properties and alfalfa yield, a research project was conducted for three years in chahartakhteh research station. the experiment was performed in randomized complete blocks design including four treatments in three replications. treatments were as follows: t1: irrigation with normal water at...

Population’s exponential growth along with drought has increased water resources limitation, especially in arid and semi-arid area. Therefore, the use of non-conventional water is an important tool for water resource management. If unconventional water has no negative impact on soil properties and water, it can be used for irrigation coupled with desertification projects. So, this paper tries t...

Journal: Pollution 2016

Population’s exponential growth along with drought has increased water resources limitation, especially in arid and semi-arid area. Therefore, the use of non-conventional water is an important tool for water resource management. If unconventional water has no negative impact on soil properties and water, it can be used for irrigation coupled with desertification projects. So, this paper tries t...

2006
M. H. RAMADAN O. D. EL-SEBAIE F. M. EL-SHARKAWY

Over the past 20 years, the new industrial cities were considered as the main solution to most of the problems facing the metropolitan industrial areas and to assist in the national industrial development. In these new communities, industrial and domestic activities result in the production of vast quantities of wastewater; the improper disposal of which may cause serious environmental hazards....

2015
Hetty Blaak Gretta Lynch Ronald Italiaander Raditijo A. Hamidjaja Franciska M. Schets Ana Maria de Roda Husman Igor Mokrousov

OBJECTIVE The goal of the current study was to gain insight into the prevalence and concentrations of antimicrobial resistant (AMR) Escherichia coli in Dutch surface water, and to explore the role of wastewater as AMR contamination source. METHODS The prevalence of AMR E. coli was determined in 113 surface water samples obtained from 30 different water bodies, and in 33 wastewater samples obt...

حنفی, بهروز, یوسفی, ذبیح اله,

Background and purpose: Fluoride is one of current anions in water and soil, but its level varies in different water supplies. Most of the body's requirement for fluoride is supplied through drinking water, therefore, water utility authorities and monitoring organizations should closely control the level of fluoride in drinking water. The aim of this study was to measure the level of fluoride i...

Journal: :Environmental Modelling and Software 2001
V. G. Mitchell R. G. Mein T. A. McMahon

Current urban water management practices aim to remove stormwater and wastewater efficiently from urban areas. An alternative approach is to consider stormwater and wastewater as a potential resource substitute for a portion of the water imported via the reticulated supply system. A holistic view of urban water resources provides the framework for the evaluation of the demand for water supply, ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده مهندسی صنایع 1387

according to webster and wind (1972) and anderson et al (1987), “organizational buying is a complex process and involves many people from different functional areas, multiple goals and potentially conflicting decision criteria. moreover, the customers of today are also more knowledgeable and selective when making their purchasing decisions. since a key to organizational survival is the retentio...

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