Results 21 to 30 of about 209,776 (322)

Ecological Risk Assessment in Sediments from the Urbanized Lagoon of the Olympic Park [PDF]

open access: yesIranica Journal of Energy and Environment, 2020
The Jacarepaguá Lagoon (JPAL) is part of a lagoon complex, located in the west zone of Rio de Janeiro city, and has largest drainage area of the complex.
I. Y. D. C. Rodrigues   +5 more
doaj   +1 more source

Forecasting wind speed data by using a combination of ARIMA model with single exponential smoothing [PDF]

open access: yes, 2021
Wind serves as natural resources as the solution to minimize global warming and has been commonly used to produce electricity. Because of their uncontrollable wind characteristics, wind speed forecasting is considered one of the best challenges in ...
A. Rahman, Nur H.   +5 more
core   +1 more source

Assessment of extraneous water inflow in separate sewerage system by different quantitative methods

open access: yesApplied Water Science, 2022
Extraneous water that inflow to the sewage system is basically divided into two streams—accidental water (mainly rainwater) and infiltration water. The aim of the research was to assess the amount of extraneous water inflow to the considered system. Five
Bartosz Bogusławski   +2 more
doaj   +1 more source

Research of Microbiological Indicators of Quality of Surface Waters of Natural Environmental Territories of the Danube Basin [PDF]

open access: yes, 2018
A comparative analysis of the sanitary and ecological state of surface watercourses in the upper part of the Danube basin (on theterritoryofUkraine) was carried out according to microbiological indicators.
Burdeniuk, I. (Ivan)   +6 more
core   +3 more sources

Making asset investment decisions for wastewater systems that include sustainability [PDF]

open access: yes, 2006
Effective integrated water management is a key component of the World Water Vision and the way in which aspirations for water equity may be realized. Part of the vision includes the promotion of sustainability of water systems and full accountability for
Ashley, Richard   +7 more
core   +3 more sources

Hydraulic characteristics of the airlift pump [PDF]

open access: yesActa Scientiarum Polonorum. Formatio Circumiectus, 2018
Airlift pumps are the simplest devices used for lifting and transporting of liquid in water and wastewater systems. They constitute the subject of interest in numerous studies, focusing on their two-phase flow.
Sebastian Kujawiak   +2 more
doaj   +1 more source

Characteristics and Impact of VOCs on Ozone Formation Potential in a Petrochemical Industrial Area, Thailand

open access: yesAtmosphere, 2022
In this study, the ambient concentrations of volatile organic compounds (VOCs) were intensively measured from January 2012 to December 2016 using an evacuated canister and were analyzed using a gas chromatography/mass spectrophotometer (GC/MS) based on ...
Nattaporn Pinthong   +3 more
doaj   +1 more source

Urban Evolution: The Role of Water [PDF]

open access: yes, 2015
The structure, function, and services of urban ecosystems evolve over time scales from seconds to centuries as Earth’s population grows, infrastructure ages, and sociopolitical values alter them.
Belt, Kenneth T.   +6 more
core   +3 more sources

Fecal contamination of drinking-water in low- and middle-income countries: a systematic review and meta-analysis [PDF]

open access: yes, 2014
Background: access to safe drinking-water is a fundamental requirement for good health and is also a human right. Global access to safe drinking-water is monitored by WHO and UNICEF using as an indicator “use of an improved source,” which does not ...
Bain, R.   +5 more
core   +4 more sources

Adsorption of Phenol onto Aluminum Oxide Nanoparticles: Performance Evaluation, Mechanism Exploration, and Principal Component Analysis (PCA) of Thermodynamics

open access: yesAdsorption Science & Technology, 2022
The removal of phenolic compounds from aqueous solutions using novel adsorption techniques becomes a key research item. Of those, nanoparticles in particular, the low-cost and the high-strength aluminum oxide nanoparticles showed promising results in ...
Safwat M. Safwat   +3 more
doaj   +1 more source

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