全部文献期刊会议图书|学者科研项目
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作者:I. G. Ezemagu , M. C. Menkiti , V. I. Ugonabo ...
来源:[J].Bulletin of the Chemical Society of Ethiopia(IF 0.417), 2017, Vol.30 (3), pp.377-390
摘要:Adsorptive study of paint effluent coagulation using T. fuscatus coagulant (TFC) is investigated. Effects of pH, dose, time, and temperature were investigated. Functional group, crystalline, morphology and thermal characteristics of samples were determined. Equilibrium data ...
作者:T. B. Demissie , G. Y. Ashebir
来源:[J].Bulletin of the Chemical Society of Ethiopia(IF 0.417), 2017, Vol.30 (3), pp.437-448
摘要:We report the stability and reactivity of the oxidation products as well as L-cysteine and N-acetylcysteine adducts of dopamine studied using quantum chemical calculations. The overall reactions studied were subdivided into four reaction channels. The first reaction channel is th...
作者:Ö. Alver , C. Parlak
来源:[J].Bulletin of the Chemical Society of Ethiopia(IF 0.417), 2017, Vol.31 (1), pp.63-74
摘要:New ferrocene derivatives as N-(3-piperidin-1-ylpropyl)ferrocenamide (Fc-3ppa) and N-(pyridine-3-ylmethyl)ferrocenamide (Fc-3pica) and structural investigations were carried out with 1H, 13C, DEPT 45 or 135, HETCOR, COSY NMR and FT-IR spectroscopic techniques. Characterization of...
作者:M. Agrawal , S. Jain , S. Sharma ...
来源:[J].Bulletin of the Chemical Society of Ethiopia(IF 0.417), 2017, Vol.31 (1), pp.93-105
摘要:Extremely simple protocols based on the reactivity of corresponding oxoketenedithioacetal (4), 2-(dimethylaminomethylene) ketone (5), β-oxoenolether (6) and α,β-unsaturated ketone (7) derivatives of 7-ethyl-3, 4-dihydroazepino[3,2-b]carbazol-2,5(1H,7H)-dione (3) have been de...
作者:A. Ahmadi
来源:[J].Bulletin of the Chemical Society of Ethiopia(IF 0.417), 2017, Vol.31 (1), pp.171-175
摘要:In the search for new potential non-steroidal anti-inflammatory agents, some novel Mefenamic acid derivatives were synthesized and confirmed by spectroscopic data. The anti-inflammatory activities of these compounds were evaluated by the croton oil-induced ear oedema test in mice...
作者:L L. An , Q. Q. Yu
来源:[J].Bulletin of the Chemical Society of Ethiopia(IF 0.417), 2017, Vol.31 (2), pp.253-261
摘要:A furazan-based trinuclear potassium(I) complex derived from the oxy-bridged bis(gem-dinitro)furazan (OBNF) and triaminoguanidinium (TGA) units was synthesized and characterized by elemental analyses, nuclear magnetic resonance (NMR) and infrared (IR) spectroscopy. The singl...
作者:A. Debebe, , S. Temesgen , M. R. Abshiro ...
来源:[J].Bulletin of the Chemical Society of Ethiopia(IF 0.417), 2017, Vol.31 (2), pp.201-209
摘要:In this study, using near infrared (NIR) spectrometry-partial least squares (PLS) calibration model was used for the determination of ethanol content in distilled alcoholic beverages. In NIR, 1660–1720 nm, the PLS modeling and analysis made use of 24 standards which contain ...
作者:A. Naderi , B. Mohtat
来源:[J].Bulletin of the Chemical Society of Ethiopia(IF 0.417), 2017, Vol.31 (2), pp.345-350
摘要:The reactive intermediate generated by the addition of alkyl isocyanides to dialkyl acetylenedicarboxylates was trapped by N-formyl urea to produce highly functionalized dihydropyrimidinones in fairly good yields.
作者:S. Esmaielzadeh , G. Mashhadiagha
来源:[J].Bulletin of the Chemical Society of Ethiopia(IF 0.417), 2017, Vol.31 (1), pp.159-170
摘要:Formation constant (Kf) values of Schiff base ligand, L = methyl-2-{[1-methyl-2-(aceton)ethylidynenitrilo]ethyl}amino-1-cyclopentenedithiocarboxylate, with Co(II), Ni(II), Cu(II) and Zn(II) ions has been determined spectrophotometrically for 1:1 complex formation at constant...
作者:B. Tesfaw , F. Chekol , S. Mehretie ...
来源:[J].Bulletin of the Chemical Society of Ethiopia(IF 0.417), 2017, Vol.30 (3), pp.473-484
摘要:The adsorption of lead(II) ions from aqueous solution onto alkali lignin extracted from Hagenia abyssinica was investigated by electrochemical methods. The effect of solution pH, lignin dosage and contact time were investigated at room temperature in a batch system. Adsorption eq...

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