Results 21 to 30 of about 81,110 (304)
Hygiene and Environmental Health Advances, 2023 Since ancient times, communities have widely used herbal medicines and their teas for therapeutic properties. In the present study, the concentration, transfer rate, and potential health risks of metal(loid)s (As, Ba, Cd, Co, Cr, Cu, Mn, Mo, Pb, Sr, and ...
Razegheh Akhbarizadeh +6 more
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Applied Sciences, 2019 At present, pollution is one of the most important problems worldwide. Industrial growth makes it necessary to develop techniques to remove pollutant substances from water, since water is an important natural source for life.
Olalla G. Sas +2 more
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, 2023 Radium isotopes, other than 226Ra, and 227Ac are typically present at low activities in the open ocean. The analysis of these isotopes thus requires collection of large volumes of seawater and high sensitivity, low background instruments.
Paul Henderson +12 more
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Solvent extraction of scandium from lateritic nickel- cobalt ores using different organic reagents
E3S Web of Conferences, 2016 Scandium is the most important and strategic metal that can be recovered as a by-product from lateritic nickel-cobalt ores. In this research, different extractants were investigated in order to extract scandium from a sulfate medium by a using a solvent ...
Ferizoğlu Ece +2 more
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Chemical Engineering Transactions, 2016 Microalgae are a valuable source of high-value products and biofuels, however the high-energy cost required for the extraction of their metabolites has kept questioning on possible industrial upgrading. The aim of this study was to evaluate the effect of
B. Garcia-Martinez +5 more
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Metals, 2016 Heavy metals removal/recovery from industrial wastewater has become a prime concern for both economic and environmental reasons. This paper describes a comparative kinetic study of the removal/recovery of copper(II) from aqueous solutions by bulk liquid ...
Loreto León +3 more
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Foods, 2023 This study aimed to develop an integrated approach of deep eutectic solvent-based ultrasound-assisted extraction (DES–UAE) to simultaneously extract five major bioactive macamides from the roots of Lepidium meyenii Walp.
Keke Li +4 more
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Strong Acid Extraction Methods for “Total Phosphorus” in Soils: EPA Method 3050B and EPA Method 3051
Agricultural & Environmental Letters, 2017 The emphasis on controlling environmental phosphorus (P) losses from agriculture has expanded the role of agricultural laboratories in testing a variety of media for P, including soils, waste residuals, manures, and runoff waters.
Clinton Church +2 more
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, 2018 Normalized extraction efficiencies (%) for ultrasound-assisted extractions: (A) extraction without pretreatment, (B) extraction with one boiling water pretreatment and (C) extraction with two following boiling water pretreatments.
Artur Cavaco-Paulo (1532776) +7 more
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Thermodynamic Analysis of a Steam Power Plant with Double Reheat and Feed Water Heaters
Advances in Mechanical Engineering, 2014 A steam cycle with double reheat and turbine extraction is presented. Six heaters are used, three of them at high pressure and the other three at low pressure with deaerator. The first and second law analysis for the cycle and optimization of the thermal
M. M. Rashidi, A. Aghagoli, M. Ali
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