منابع مشابه
Indicators of microbial water quality
Current guidelines in the three water-related areas (drinking water, wastewater and recreational water) assess quality, in microbiological terms, by measuring indicator organisms. This chapter looks at the history and examines some of the methods used to assess the microbiological quality of water, highlighting the current limitations and also possible future developments. Traditionally, indica...
متن کاملDistribution System Indicators of Drinking Water Quality
Background and Disclaimer The USEPA is revising the Total Coliform Rule (TCR) and is considering new possible distribution system requirements as part of these revisions. As part of this process, the USEPA is publishing a series of issue papers to present available information on topics relevant to possible TCR revisions. This paper was developed as part of that effort. The objectives of the is...
متن کاملWater level forecasting
Water level forecasting through fuzzy logic and artificial neural network approaches S. Alvisi, G. Mascellani, M. Franchini, and A. Bárdossy Dipartimento di Ingegneria, Università degli Studi di Ferrara, Italia Institut für Wasserbau, Universität Stuttgart, Deutschland Received: 29 May 2005 – Accepted: 13 June 2005 – Published: 22 June 2005 Correspondence to: S. Alvisi ([email protected]) © ...
متن کاملConvergence indicators of water crisis management policies: A review study
Background and Aim: Achieving macro goals in countries is always a function of correct policies, which is necessary to create alignment and convergence of responsible agencies through a comprehensive and convergent policy. The water crisis is one of the issues in which the lack of consistent policies can lead to inefficiency of programs and ultimately the loss of opportunities. A prerequisite f...
متن کاملChemical and Physical Indicators in Drinking Water and Water Sources of Boroujerd Using Principal Components Analysis
Abstract Background and Objective: Quality control of drinking water is important for maintaining health and safety of consumers, and the first step is to study the water quality variables. This study aimed to evaluate the chemical and physical indicators, water quality variables and qualitative classification of drinking water stations and water sources in Boroujerd. Material and Methods...
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ژورنال
عنوان ژورنال: Nature
سال: 1879
ISSN: 0028-0836,1476-4687
DOI: 10.1038/019554e0