Başlık için listeleme
Toplam kayıt 26533, listelenen: 11572-11591
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Hybrid Models Combining Neural Networks and Nonparametric Regression Models Used for Time Series Prediction
(World Scientific And Engineering Acad And Soc, 2009)In this paper, we proposed the hybrid models whose components are nonparametric regression and artificial neural networks. Smoothing spline, regression spline and additive regression models are considered as the nonparametric ... -
A Hybrid NSGA-II Algorithm for Multiobjective Quadratic Assignment Problems
(Polish Acad Sciences Inst Physics, 2017)In this study, we propose a novel hybrid multiobjective evolutionary algorithm for solving multiobjective quadratic assignment problems. During the last decade, the researchers gave increasing attention to the multiobjective ... -
Hybrid processes for the treatment of cattle-slaughterhouse wastewater using aluminum and iron electrodes
(Elsevier Science BV, 2009)Electrocoagulation (EC) of cattle-slaughterhouse wastewater, which is characterized by (i) high turbidity (up to 340 Nephelometric turbidity units), (ii) increased chemical oxygen demand (COD) concentration (4200 mg L-1), ... -
Hybrid processing and anisotropic sintering shrinkage in textured ZnO ceramics
(Natl Inst Materials Science, 2010)We have studied the combined effects of the templated grain growth and magnetic alignment processes on sintering, anisotropic sintering shrinkage, microstructure development and texture in ZnO ceramics. Suspensions of 0-10 ... -
Hydrated aluminium sulfate precipitation by enzyme-catalysed urea decomposition
(Elsevier Sci LTD, 2000)Hydrated basic aluminium hydroxide precipitates were obtained from aluminium sulphate solution at room temperature and at 92 degrees C by using urea. Enzyme urease was used to decompose urea at room temperature. It was ... -
Hydrogen adsorption on natural and sulphuric acid treated sepiolite and bentonite
(Pergamon-Elsevier Science LTD, 2018)In this study, hydrogen (H-2) adsorption on sepiolite and bentonite and those of acid treated forms were studied at 77 K using volumetric apparatus up to 100 kPa. Both clay minerals were treated with 100 ml of 0.5, 1.0, ... -
Hydrogen bonded networks and a self-assembled 1D water cluster in nickel(II) and copper(II)-orotate complexes
(Pergamon-Elsevier Science LTD, 2010)Three Ni(II) and Cu(II)-orotate complexes with 1,3-propanediamine (pen) and N-methylethylenediamine (nmen), [Ni(HOr)(H(2)O)(2)(pen)] (1), [Cu(2)(mu-HOr)(2)(pen)(2)] (2) and {[Cu(mu-HOr)(nmen)]center dot 3H(2)O}(n) (3) ... -
Hydrogen Bonded Supramolecular Network from a Mixed Valence Cobalt System: Synthesis and Crystal Structure of [Co(H2O)(6)][Co(pydc)(2)(en)](2)center dot 14H(2)O
(Springer/Plenum Publishers, 2012)The [Co(H2O)(6)][Co(pydc)(2)(en)](2)center dot 14H(2)O (1) compound (H(2)pydc = Pyridine-2,3-dicarboxylic acid and en = ethylenediamine) was synthesized and characterized by elemental analysis, magnetic and spectroscopic ... -
Hydrogen bonding and dimeric self-association of 2-pyrrolidinone: An ab initio study
(Kluwer Academic Publ, 1999)Ab initio calculations on the different associated structures of 2-pyrrolidinone with water and with itself were carried out using 3-21G and 6-31G(*) basis sets at the Hartree-Fock level, including electron correlation ... -
Hydrogen from Tobacco Waste
(IEEE, 2017)In order to meet the energy demand and to have a cleaner environment, the interest in new and renewable energy sources has been increasing. In this regard, biomass is one of the renewable energy sources and it can be used ... -
Hydrogen production by electrochemical decomposition of formic acid via solid polymer electrolyte
(Elsevier Science BV, 2009)The aim of this work is to investigate the feasibility of simultaneous hydrogen production by electrochemical decomposition of formic acid via solid polymer electrolyte (SPE) in an electrochemical reactor. Titanium oxide ... -
Hydrogen production by supercritical water gasification of fruit pulp in the presence of Ru/C
(Pergamon-Elsevier Science LTD, 2016)In this work, supercritical water gasification of fruit pulp was conducted in a batch reactor in the presence of Ru/C catalyst. Reaction parameters such as temperature (673-873 K), time (0-60 min), biomass ratio (2.5-10wt.%) ... -
Hydrogen production from tea waste
(Pergamon-Elsevier Science LTD, 2016)Hydrogen production from biomass is gaining more attention due to the depletion of fossil fuel sources. Tea waste as an agricultural waste is a promising feedstock in order to obtain hydrogen-rich gas via gasification. In ... -
Hydrogenation of olefins catalyzed by Pd(II) complexes containing a perfluoroalkylated S,O-chelating ligand in supercritical CO2 and organic solvents
(Elsevier Science BV, 2010)Pd(II) complexes with the tridentate ligands heptadecafluorodecyl-thiophene-2-carboxylate (L-1 = SOSRf1, R-f1 = (CH2)(2)(CF2)(7)CF3) and heptadecafluorononil thiophene-2-carboxylate (L-2 = SOORf2, R-f2 =(CH2)(CF2)(7)CF3) ... -
Hydrogenolysis of Aqueous Glycerol over Raney Nickel Catalyst: Comparison of Pure and Biodiesel By-Product
(American Chemical Society, 2012)The hydrogenolysis of pure and biodiesel byproduct glycerol in the presence of Raney nickel catalyst using an autoclave was studied. The effects of stirring speed, temperature, amount of catalyst, H-2 pressure, and glycerol ... -
Hydrological modeling and forecasting using HEC-HMS soil moisture accounting for a snow dominated basin in Turkey
(Anadolu Üniversitesi, 2017)Artan dünya nüfusu, iklim değişikliği, taşkınlar ve kuraklıklar su kaynaklarının etkin yönetimini hidroloji biliminde kritik bir konu haline getirmektedir. Hidrolojik modelleme, kar modellemesi ve akım tahmini teknolojilerindeki ... -
Hydrological modeling of Seydi Suyu watershed (Turkey) with HSPF
(Elsevier Science BV, 2004)In this study, a mathematical modeling program called Hydrological Simulation Program-FORTRAN (HSPF) developed by the United States Environmental Protection Agency (EPA) was used for the hydrological modeling of the Middle ... -
Hydrophobic cryogels for DNA adsorption: Effect of embedding of monosize microbeads into cryogel network on their adsorptive performances
(Wiley-Blackwell, 2013)As alternative hydrophobic adsorbent for DNA adsorption, supermacroporous cryogel disks were synthesized via free radical polymerization. In this study, we have prepared two kinds of cryogel disks: (i) poly(2-hydroxyethyl ... -
Hydrophobic microbeads as an alternative pseudo-affinity adsorbent for recombinant human interferon-alpha via hydrophobic interactions
(Elsevier Science BV, 2012)Hydrophobic interaction chromatography (HIC) is increasingly used for protein purification, separation and other biochemical applications. The aim of this study was to prepare hydrophobic microbeads and to investigate their ... -
Hydropyrolysis of extracted Euphorbia rigida in a well-swept fixed-bed tubular reactor
(Taylor & Francis Inc, 2002)Tubular reactor fixed-bed hydropyrolysis experiments have been conducted on a sample of extracted Euphorbia rigida to determine the possibility of being a potential source of renewable fuels and chemical feedstock. The ...
