Results 11 to 20 of about 48,064 (252)
Turkish Journal of Forestry, 2023 Congo Red, an anionic dyestuff, is used in many areas of industry today. Contact of anionic and cationic dyestuffs with water sources without cleaning causes serious environmental problems.
Halil Turgut Şahin +2 more
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Adsorption isotherms, kinetics and thermodynamic studies of methylene blue dye removal using Raphia taedigera seed activated carbon [PDF]
Caspian Journal of Environmental Sciences, 2020 This present work revealed the isotherm, kinetic, and thermodynamic behaviour of methylene blue (MB) dye adsorbed onto acidic activated carbon (AAC) and base activated carbon (BAC) prepared from Raphia taedigera seed by carbonization and chemical ...
Emmanuel F Olasehinde +2 more
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Study of Surface Tension and Surface Properties of Non-Ideal Binary Liquid Mixtures [PDF]
شیمی کاربردی روز, 2014 In this research, surface tension and surface properties of binary mixtures of water with a series of aliphatic carboxylic acids (C1-C4)were investigated by different models at temperature range between (288.15 and 328.15) K.
Ahmad Bagheri, Kolsoum Alizadeh
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Slovak Journal of Civil Engineering, 2021 The extensive use of commercial activated carbon as an adsorbent for the purification of industrial effluent is not economical for small and medium-sized enterprises due to its high operational cost.
Akomah Uchechi +3 more
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Observations of narrow bipolar events reveal how lightning is initiated in thunderstorms
Nature Communications, 2016 How lightning is initiated inside storms has been a long-standing and fundamental question. Here, the authors report observations of a previously unrecognized type of discharge, called fast positive breakdown, that is found to initiate many and ...
William Rison +7 more
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SELIMBook review of Poveda-Balbuena, Miguel Luis, and José Belda-Medina. 2023. Armamento medieval inglés (1100–1500): Estudio lingüístico-histórico. Granada: Comares. Pp. 148. ISBN 9788413695983.
Christopher Langmuir
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On Langmuir’s periodic orbit [PDF]
Archiv der Mathematik, 2022 Niels Bohr successfully predicted in 1913 the energy levels for the hydrogen atom by applying certain quantization rules to classically obtained periodic orbits. Many physicists tried to apply similar methods to other atoms. In his well-known 1921 paper, I.~Langmuir established numerically the existence of a periodic orbit in the helium atom considered
K. Cieliebak +2 more
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Fast negative breakdown in thunderstorms
Nature Communications, 2019 Recent studies have shown that lightning is initiated by a newly-recognized discharge process called fast positive breakdown. Here, the authors present observational evidence of fast breakdown but of negative polarity, seemingly contrary to current ...
Julia N. Tilles +8 more
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Adsorption of ammonium, nitrite, and nitrate onto rice husk biochar for nitrogen removal
Ho Chi Minh City Open University Journal of Science - Engineering and Technology, 2021 This study aims to investigate the adsorption capacity of ammonium NH4+, nitrite NO2- and nitrate NO3- onto rice husk biochar (RHB) obtained from 550 °C pyrolysis temperature in the context of using low-cost absorbent for recirculating aquaculture system
Vo Thi Minh Thao +8 more
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Sorption of cd (II) ions by chitosan modified peanut shell biochar from aqueous solution [PDF]
Advances in Environmental Technology, 2019 In this paper, biochar was prepared from peanut shells, and then the pristine biochar (PBc) was modified by chitosan (CBc). The characteristics of the absorbents were investigated using infrared spectroscopy (FTIR), scanning electron microscopy (SEM ...
Hadiseh Shabani +2 more
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