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Showing 1 to 20 of 36 for “"N-Butanol"”.
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House Fly Head (Musca Domestica L.) Acetylcholinesterase Activation by N-Butanol
Made available in DSpace on 2014-12-11T18:05:35Z (GMT). No. of bitstreams: 1 7105209.pdf: 1621162 bytes, checksum: d3b13c80b3d596de51ae4224eff964cb (MD5) Previous issue date: 1970
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Technische, ökonomische und ökologische Bewertung der Einsetzbarkeit von biogenem n-Butanol im Raumwärmemarkt
… Arbeit wurde die Einsetzbarkeit von n-Butanol im Raumwärmemarkt unter technischen, ökonomischen sowie ökologischen Kriterien überprüft und den Brennstoffen Heizöl extra leichtflüssig (EL) und Biodiesel (FAME) gegenübergestellt. Das gewählte Vorgehen umfasst eine …
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Investigation of Binary Mixtures of N-Butanol and Biodiesel in Reactive Control Compression Ignition
… obtained by port fuel injection (PFI) of n-butanol and direct injection (DI) of biodiesel was compared with an in cylinder directly injected blend of n-butanol and biodiesel with the same mass ratio of n-butanol to biodiesel which change with respect to load. The combustion and emission …
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Extinction strain rates of n-butanol, 2-butanol and iso-butanol in counterflow non-premixed flamelets
The extinction strain rates of three butanol isomers, (n-butanol, sec-butanol and iso-butanol) were studied experimentally in a counterflow burner, and computationally using a one-dimensional numerical model. The experimental results provided an insight in how the difference between molecular …
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Low Temperature Combustion and Emissions of Diesel with Additions of N-Butanol in a Direct Injection Compression Engine
… hydraulic hybrids, and electric hybrids. N-Butanol may prove to be an effective tool in efforts to reduce petroleum consumption and lessen the impacting emissions. An experimental investigation performed on a single-cylinder heavy-duty diesel research engine operating at low-speed and, low …
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Improvement of Biofuel Fermentation Processes With Use of Poly(vinyldodecylimidazolium bromide) for In-situ Product Removal
… The fermentation processes of ethanol and n-butanol, by Saccharomyces cerevisiae and Clostridium acetobutylicum, respectively, suffer from end-product inhibition, hindering final product concentrations, volumetric productivity, and product recovery. To alleviate these limitations, in-situ …
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ZSM-5/thermoplastic polyurethane mixed matrix membranes for pervaporation of dilute aqueous organic solvents
… (MMMs) for efficient pervaporation of n-butanol and ethanol from dilute aqueous solutions as a cheap and easy to fabricate replacement for the benchmark polydimethylsiloxane (PDMS) membranes. Binary systems of n-butanol-water and ethanol-water were tested along with a ternary system of …
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Aplicação de microemulsões na solubilização de frações pesadas de petróleo
… following systems were studied: UNITOL L 90 n-Butanol - Water - Kerosene (system 1); UNITOL L 90 - n-Butanol - Water - Xylene (system 2); UNITOL L 90 n-Butanol - Water - Kerosene/Xylene 10% (system 3); UNITOL L 90 - Sec-Butanol - Water - Xylene (system 4). In parallel experiments of physical …
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Ameliorative effect of the methanolic Crude extracts of Inula glomerata and Salacia kraussii on erectile dysfunction in Sprague Dawley rats
… Inula glomerata and roots of Salacia kraussii on butanol induced erectile dysfunction. The plant materials were screened for their phytochemical’s composition. The crude extracts were prepared from the plant materials by maceration using methanol. The In vitro antioxidant efficacy of the crude …
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The effect of varying phase velocities and the direction of flow on the mass transfer coefficient in a horizontal extractor tube
… unpacked, extraction tube, for the system n-butanol-water, and for the system 1,1,2-trichloroethane-sectione-water.
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Synthesis, Physicochemical And Biopharmaceutical Characterisation Of Pro-Antibiotic Esters; Free Bases Of Ciprofloxacin
… drug using alcohol co-formers (isopentanol, n-butanol and isobutanol) with a view to improving the physicochemical and biopharmaceutical properties of Ciprofloxacin. Three esters of ciprofloxacin were synthesised, i.e., isopentanoate (CIP), n-butanoate (CNB) and isobutanoate (CIB). The effect …
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Studies in Vapour-Liquid Equilibria
… testing on the system Ethyl Acetate - n-Butanol at 760 mmHg. The modifications proved successful and the modified Cathala still was further used to obtain data on Acetic Acid-Methanol, Acetic Acid-Ethanol, Acetic Acid-n-Butanol, all at 760 mmHg. This still was also run isothermally for …
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Hydrogenase of Clostridium acetobutylicum ATCC 824
… of the neutral compounds (solvents) - acetone, n-butanol, and ethanol. The two metabolic phases are known as the acidogenic and solventogenic phases. The enzyme hydrogenase plays an important role in this bacterium because it converts excess reducing power into hydrogen gas to maintain a balance …
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ΜΕΛΕΤΗ ΤΟΥ ΜΗΧΑΝΙΣΜΟΥ ΠΡΟΚΑΤΕΡΓΑΣΙΑΣ ΓΙΑ ΤΗΝ ΜΕΤΑΤΡΟΠΗ ΤΗΣ ΒΙΟΜΑΖΑΣ ΣΕ ΚΑΥΣΙΜΑ ΚΑΙ ΧΗΜΙΚΑ: ΕΠΙΔΡΑΣΗ ΣΤΗ ΣΤΕΡΕΑ ΦΑΣΗ
… MIXTURES (METHANOL, ETHANOL, ISOPROPANOL, N-BUTANOL). THE EFFECT OF PRETREATMENTS ON THERMOCHEMICAL CONVERSION TO CHARCOAL, ON ENZYMIC HYDROLYSIS WITH ASPERGILLUS NIGER, TRICHODERMA VIVIDE AND FUSARIUM OXYSPORUM CELLULASES AND ON BIOETHANOL PRODUCTION WITH F . OXYSPORUM CELLULASES AND ON …
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The effect of oxygenates on the oligomerisation of propene over zeolite ZSM-5
… of oxygenates such as acetic acid, ethanol, butanol, methyl-ethyl-ketone (MEK), acetone and water. Complex feeds can result in competitive reaction between the feed components and may result in observed selectivities that cannot be predicted from pure component data alone. ZSM-5 has been …
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Determinação da estrutura de pigmentos de feijão e estudo da sua ação na qualidade protéica
… para cromatografia descendente em papel. BFW (n-butanol - ácido fórmico - água) na proporção 15:2,5:2,4 apresentou os melhores resultados e possibilitou a separação das seis frações de antocianinas presentes. Através de reações químicas específicas e métodos espectrofotométricos e cromatográficos …
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Physico-chemical studies of block copolymers in aqueous solution
… and cosolvents (methanol, ethanol, n-propanol, n-butanol and formamide) on the observed phase transition of poloxamers have been investigated using HSDSC. Sodium chloride, phosphate buffer, n-propanol and n-butanol favour aggregation of the copolymer reflected in a lowering the Tm and an increase …
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Combustion quality and regimes for standard and alternative fuels
… of the modern ICE. Alcohols, especially n-butanol, have been studied as potential fuels and have shown to be a possible alternative to pure gasoline. In this work, the intermediate product in bio-butanol production through acetone-butanol-ethanol (ABE) fermentation, ABE, was studied for the …
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Separation of close isomers by enclathration
… including methanol, ethanol, i-propanol, n-butanol, ethyl acetate and dioxane. The crystal structures of the complexes formed were elucidated, and comparisons were made between the packing of the complexes, and the intermolecular interactions between the host and guest components of the …
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Sorption and desorption of the industrial chemical MCHM into polymer pipes, liners and activated carbon
… for sorption of non-polar toluene and polar 1-butanol were conducted as a comparison for MCHM sorption. Additionally, a brief odor analysis was done on the ability of activated carbon to remove odor from contaminated water and on leaching of MCHM from pipe material into clean water. The results …
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