منابع مشابه
the use of appropriate madm model for ranking the vendors of mci equipments using fuzzy approach
abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...
15 صفحه اولChlorination of indicator bacteria and viruses in primary sewage effluent.
Wastewater disinfection is used in many countries for reducing fecal coliform levels in effluents. Disinfection is therefore frequently used to improve recreational bathing waters which do not comply with microbiological standards. It is unknown whether human enteric viruses (which are responsible for waterborne disease) are simultaneously inactivated alongside fecal coliforms. This laboratory ...
متن کاملEndocrine disrupting chemicals accumulate in earthworms exposed to sewage effluent.
Endocrine disrupting chemicals (EDCs) can alter endocrine function in exposed animals. Such critical effects, combined with the ubiquity of EDCs in sewage effluent and potentially in tapwater, have led to concerns that they could be major physiological disruptors for wildlife and more controversially for humans. Although sewage effluent is known to be a rich source of EDCs, there is as yet no e...
متن کاملAlgal Growth Response in Two Illinois Rivers Receiving Sewage Effluent
Phosphorus (P) primarily enters streams in Illinois as effluent released from sewage treatment plants and runoff from agricultural fields. As a result, water quality can be affected and large amounts of algal growth are possible. We determined the growth of periphytic algae (as chla) relative to differing amounts of P (factor of 10) released in sewage effluent in two rivers. The Salt Fork Vermi...
متن کاملThe possible use of Sewage Sludge Ash (SSA) in Self-Consolidating Concrete (SCC) for environmental sustainability
Nowadays, waste production is increased due to the growth of technology and excessive use of natural resources as well as production of new chemicals, among which the hazardous wastes are no exception of that stabilization and solidification method is one of the hazardous waste management methods through which the waste materials are stabilized and confined. High flexibility for various polluta...
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ژورنال
عنوان ژورنال: Journal of Biodiversity & Endangered Species
سال: 2013
ISSN: 2332-2543
DOI: 10.4172/2332-2543.1000106