[ad_1] CHAPTER ONE INTRODUCTION1.1 Background of the studyBiomass, particularly agricultural residues seem to be one of the most promising energy resources for developing countries (Patomsok, 2008). Rural households and minority of urban dwellers depend solely…
Read More[ad_1] ABSTRACT Palladium-catalysed Suziki-Miyaura cross-coupling (SMC) reactions of 6-chloro-5Hbenzo[a]phenothiazin-5-one, 11-amino-6-chloro-9-thio-5H-naphtho[2,1-b]pyrimido[5,4-e][1,4]oxazin-5-one and 6-chloro-5H-naphtho[2,1-b]pyrido[2,3-e][1,4]oxazin-5-one with phenylboronicacid and 3-nitophenylboronic acid were thoroughly investigated. The above intermediates wereprepared by the reactions of 2-aminothiophenol, 4,5-diamino-6-hydroxylpyrimidine-2-thiol and 2-aminpyridin-3-ol respectively with…
Read More[ad_1] ABSTRACT THE SMALL SCALE DYE INDUSTRY INKADUNA STATE: PROBLEMS AND PROSPECTSThis study sought to investigate the operation system ofsome small-scale textile dyeing industries in Kaduna State.This social enquiry investigated the nature of the industriesand…
Read More[ad_1] ABSTRACT This research was experimental in approach. It went through the process of gathering of materials from different locations, iron filings from Buniyaminu Engineering workshop at “Randa Kano” area in Zaria, Kaduna State,…
Read More[ad_1] ABSTRACT Highly electros withdrawing groups, bromine and oyano, weresubstituted into 2′ , and 6′ – positions in the acceptor ring ofazo dyes, with condenesable aldehyde group in the 4-position. Theformyl group of the resulting…
Read More[ad_1] ABSTRACT The divalent metal chelates of Mg,Co,Cu and Zn with 4-acetyl (hpmap), 4-benzoyl(hpmbp),4-butyryl(hpmbup),4-capyroyl(hpmcp),4-propiony(hpmprp) and 4-palmitoyl(hpmpp) derivatives of 1-phenyl -3-methylpyrazol-5-one have been synthesized and characterized by UV ,IR, andconductivity measurements. It is shown that the…
Read More[ad_1] ABSTRACT In the course of the research, three differentdesigns of oil burners were identified for adoption andthe one considered the most viable among the three wascarried through the stage of fabrication. Tests werethen administered…
Read More[ad_1] ABSTRACT Tandem amidation catalyzed synthesis of linear diazaphenoxazine carboxamide derivatives is reported. This wasachieved by the reaction of 2-amino-3-hydroxypyridine and 2,3,5-trichloropyridine in aqueous basic medium whichgave 3-chloro-1,9-diazaphenoxazine as white solid crystals. 3-Chloro-1,9-diazaphenoxazine was…
Read More[ad_1] ABSTRACT The oily seepage from Ugwueme in Awgu L.G.A of Enugu State was characterized by uv, ir and heavy metal contents analyses. Proportions of saturates, aromatics, resins and asphaltenes (SARA) components in the seepage…
Read More[ad_1] ABSTRACT Sulayman Umar Adeika Adeiza, The U t i l i z a t i o n ofLocal Raw Materials for the production of Marbled weresusing the Jigger-Jolley Techniques pagers 107Tables: 13, Figures: 1…
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