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202 articles for “Surface Water”

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Research ArticleOpen accessIn the abstractDirect Analysis of Six Pharmaceuticals using Online Solid Phase Extraction Liquid ChromatographySiti Norbayu Mohd Subari, Rozita Osman, Norashikin SaimIn this study, three parameters (sample volume, cleanup and elution step) in large volume injection online Solid Phase Extraction Liquid Chromatography with diode array detection (SPE-LC) were optimized for the determination of six pharmaceuticals in wastewater samples. Preconcentration and separation were carried out using 2 columns, Dionex Ion Pac AG14A and Acclaim Polar Advantage II. Response Surface Methodology (RSM) was … …American Journal of Applied Sciences, Vol. 14, Issue 5 · 31 Mar 2017 · 7,518 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Diurnal Variation of Dissolved Oxygen in a Eutrophic Polymictic ReservoirAnusha BalangodaTo evaluate the diurnal and seasonal Dissolved Oxygen (DO) variations and their effects on water quality, a comprehensive study was conducted in a eutrophic polymictic reservoir under artificially aerated and non-aerated conditions. The effect of aeration among sampling locations and along the water column of DO and DO saturation and diurnal variation of DO, water temperature, pH and conductivity was … …American Journal of Environmental Sciences, Vol. 13, Issue 1 · 24 Jan 2017 · 8,076 accessesView PDFCite
Research ArticleOpen accessIn the abstractBiodegradation of BTEX: Optimization through Response Surface MethodologyAyat E. El Telib, Muftah H. El-Naas, Janice A. AcioResponse Surface Methodology (RSM) was used to optimize the biodegradation of Benzene, Toluene, Ethyl benzene and m-, o-, p-Xylene (BTEX) by Pseudomonas putida immobilized in PVA matrices in a specially-designed novel Spouted Bed Bioreactor System (SBBS). A mixture of 60 mg L-1 of BTEX compounds in air was contacted with the immobilized bacteria in three spouted bed bioreactors in series. … …American Journal of Engineering and Applied Sciences, Vol. 10, Issue 1 · 3 Jan 2017 · 8,285 accessesView PDFCite
Research ArticleOpen accessIn the abstractOptimization, Characterization and Antioxidant Activities of Selenized Polysaccharides from Hypsizygus marmoreusTing Liu, Xue Jiang, Wei Wang, Bing XuIn this study, hypsizygus marmoreus was used as raw material to extract polysaccharides by hot water extraction method. Preparation technology of Selenized Polysaccharides from Hypsizygus marmoreus (SPHM) and its antioxidant activities were investigated. Chelation rate was selected as the index, effects of initial concentration of sodium selenite (mg/mL), the mass ratio of polysaccharide to sodium selenite, chelation time and pH … …American Journal of Biochemistry and Biotechnology, Vol. 15, Issue 3 · 8 Aug 2019 · 7,781 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Variability of Indonesian Throughflow in Sumba Strait and Its Linkage to the Climate EventsAhmad Bayhaqi, Yueng-Djern Lenn, Dewi Surinati et al.As one of the Indonesian Throughflow (ITF) outflow passages, the Sumba Strait is a meeting point for the Pacific and the Indian Ocean water mass. In order to study the long-term variability of ITF flowing via Sumba Strait, this research uses observational data from the Ekspedisi WIdya Nusantara (EWIN) research cruise conducted in August 2016 to validate the altimetric geostrophic … …American Journal of Applied Sciences, Vol. 16, Issue 4 · 12 Jun 2019 · 8,830 accessesView PDFCite
Review ArticleOpen accessIn the abstractMicrobial Degradation of Paracetamol in Pharmaceutical Wastewater: A ReviewYahya Seun Yisau, Naeif Hamoud Al-Makishah, Mohamed Abou El-Fetouh BarakatParacetamol (4′-hydroxyacetanilide or N-acetyl-p-aminophenol or Acetaminophen) is an analgesic and antipyretic over-the-counter commonly used drug. Paracetamol has been detected in, surface waters, wastewater, and drinking water globally because of its significant utilization and unregulated release into the surroundings which have been a great concern and require an urgent approach. Microbial degradation of paracetamol is considered a desirable choice because of … …American Journal of Environmental Sciences, Vol. 20, Issue 1 · 3 Aug 2024 · 6,925 accessesView PDFCite
Review ArticleOpen accessIn the abstractFishing for “16 Psyche”Relly Victoria Virgil Petrescu16 Psyche is one of the most massive asteroids in the asteroid belt. This object has a diameter of over 200 km and contains about 1% of the mass of the entire asteroid belt. It is believed to be the exposed iron core of a protoplanet and is the most massive metallic M-type asteroid. It was discovered by the Italian … …Journal of Aircraft and Spacecraft Technology, Vol. 4, Issue 1 · 10 Sep 2020 · 8,373 accessesView PDFCite
EditorialOpen accessIn the abstractProtecting crop species from biotic and abiotic constraints in the era of Global Change: are we ready for this challenge?Marco Landi, Giovanni BenelliReliable and affordable supply of food is of crucial importance to the progress and stability of human societies. During the last century, we have assisted to an extraordinary increase of crop yields, especially for the most widespread and consumed crop species, such as rice, wheat, corn and soybean. The Broadbalk experiment, one of the oldest continuous agronomic experiments in the … …American Journal of Agricultural and Biological Sciences, Vol. 11, Issue 2 · 4 Jun 2016 · 8,402 accessesView PDFCite
Research ArticleOpen accessIn the abstractModeling the Evolution of Nitrate Pollution of Groundwater in the Plain of Western Middle CheliffNessrine Belmiloud, Naïma BettaharGroundwater constitute a potential source of drinking water supply and should, consequently, benefit from the necessary protection against the various forms of pollutions, particularly those diffuse of agricultural origin. The plain of Western Middle Cheliff which contains an important resource in groundwater supplying the whole population of the province of Chlef and contributing to the satisfaction of the need for … …American Journal of Environmental Sciences, Vol. 12, Issue 1 · 12 Jan 2016 · 7,146 accessesView PDFCite
Research ArticleOpen accessIn the abstractEcological Studies of Epiphytic Microalgae and Epiphytic Zooplankton on Seaweeds of the Eastern Harbor, Alexandria, EgyptN. G. Shams El-Din, N. A. Shaltout, M. Z. Nassar, A. SolimanA qualitative and quantitative study on the epiphytic microalgae and epiphytic zooplankton were conducted in order to follow up their community structures on seaweeds in relation to some physico-chemical variables in the coastal waters of the Eastern Harbor of Alexandria. Water and macroalgal samples were collected seasonally during two years successively: Winter, summer, autumn (2012) and spring (2013). The collected … …American Journal of Environmental Sciences, Vol. 11, Issue 6 · 9 Dec 2015 · 7,591 accessesView PDFCite