Browsing Makale Koleksiyonu by Publisher "ELSEVIER SCIENCE SA"
Now showing items 1-20 of 56
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Adaptive heuristic temperature control of a batch polymerisation reactor
(ELSEVIER SCIENCE SA, 2004)The purpose of this research is to improve and apply the temperature control of a free radical solution polymerisation of styrene and to examine its performance on the basis of adaptive heuristic criticism (AHC) control. ... -
Application of response surface methodology and central composite rotatable design for modeling and optimization of a multi-gravity separator for chromite concentration
(ELSEVIER SCIENCE SA, 2008)In this study, the application of response surface methodology (RSM) and central composite rotatable design (CCRD) for modeling and optimization of the influence of some operating variables on the performance of a multi-gravity ... -
Bare, gold and silver nanoparticle decorated, monodisperse-porous titania microbeads for photocatalytic dye degradation in a newly constructed microfluidic, photocatalytic packed-bed reactor
(ELSEVIER SCIENCE SA, 2017)Monodisperse porous titania microbeads were synthesized by a sol-gel templating protocol. Gold nanoparticles (AuNPs) synthesized by Turkevich and Martin methods 16 and 5 nm in size, respectively and silver nanoparticles ... -
Burnup characteristics and performance of boron nitride and boron coated urania and urania-gadolinia fuels
(ELSEVIER SCIENCE SA, 2001)In this research the burnup performance of (1) boron nitride (BN) and (2) boron nitride-boron (B), hybrid coated urania (UO2) and urania-gadolinia (Gd2O3) fuels were studied. The behavior of fuel burnup, depletion of BN ... -
Calculating the CO-factored force constants of tricarbonyl complexes with C-s symmetry
(ELSEVIER SCIENCE SA, 2010)The maximum value of the sum of the interaction constants is used as an additional constraint to solve the CO-factored force fields of tricarbonyl complexes with C-s symmetry. The solution obtained led to the equations by ... -
Coagulation and flocculation characteristics of celestite with different inorganic salts and polymers
(ELSEVIER SCIENCE SA, 2004)Coagulation and flocculation characteristics of celestite were investigated using CaCl2, MgCl2 and AlCl3 and anionic (A-150), cationic (C-573) and non-ionic (N-100) flocculants, respectively. Isoelectric point of celestite ... -
Combined effects of intense laser field, electric and magnetic fields on the nonlinear optical properties of the step-like quantum well
(ELSEVIER SCIENCE SA, 2015)In the present work, the effects of the intense laser field on total optical absorption coefficient (the linear and third-order nonlinear) and total refractive index change for transition between two lower-lying electronic ... -
Comparison of particle size distribution of celestite mineral by machine vision Sigma Volume approach and mechanical sieving
(ELSEVIER SCIENCE SA, 2012)A reliable and accurate measurement of particle size and particle size distribution (PSD) is central to characterization of particulate minerals. Using mineral celestite (SrSO(4)) as the test material, an inexpensive machine ... -
Conductive potassium feldspar/polyaniline composites prepared by in situ chemical polymerization
(ELSEVIER SCIENCE SA, 2007)K-feldspar particles using potassium dichromate in an acidic aqueous medium. The effects of K-feldspar particle size, aniline concentration and temperature upon the PAn amount in the composite and the electrical surface ... -
Correlation of the breakage parameters with the critical surface tension for wetting of barite
(ELSEVIER SCIENCE SA, 2003)In this paper, we present a correlation and experimental data for a relationship between the breakage and the wettability for barite mineral. The breakage parameters, which are readily obtained from grinding test, are the ... -
Correlation of the surface roughness of some industrial minerals with their wettability parameters
(ELSEVIER SCIENCE SA, 2005)This paper reports the relationships found between the surface roughness and wettability of some industrial minerals, namely, calcite, barite, talc and quartz. These minerals were ground in ball, rod and autogenous mills ... -
Decolourising textile wastewater with modified titania: the effects of inorganic anions on the photocatalysis
(ELSEVIER SCIENCE SA, 2002)In this study, the environment of the TiO2 photocatalyst modified with silver was investigated. The photocatalytic degradation of textile dye Astrazone Orange G was carried out in the presence and absence of common inorganic ... -
Direct calculation of CO-factored force constants from (CO)-C-12-O-16 stretching frequencies in LM(CO)(4) molecules with C-3 nu symmetry
(ELSEVIER SCIENCE SA, 1999)The CO-factored force constants for LM(CO)(4) molecules having C-3v symmetry were calculated using the relations k(1) = alpha(3 lambda(1) + lambda(2) + 8 lambda(3)), k(2) = 3 alpha(lambda(1) + 3 lambda(2)), k(c)= 3 ... -
Disinfection of E-coli by the Ag-TiO2/UV system: lipidperoxidation
(ELSEVIER SCIENCE SA, 2001)The photocatalytic disinfection of Escherichia coli, a pathogenic micro-organism. was investigated. An aqueous suspension of the micro-organism (1 x 10(8) cfu/ml) and neat TiO2 or silver-loaded TiO2 Were irradiated with a ... -
Disruption and protein release kinetics by ultrasonication of Acetobacter peroxydans cells
(ELSEVIER SCIENCE SA, 2000)In this study, the disruption and protein release kinetics of Acetobacter peroxydans by ultrasonication was examined. The effects of acoustic power and the medium pH on the survival percent was investigated. An increase ... -
Dissolution kinetics of sphalerite in acidic ferric chloride leaching
(ELSEVIER SCIENCE SA, 2005)This paper presents a study for leaching kinetics of sphalerite concentrate in FeCl3-HCl solution. The shrinking core model was applied to the results of experiments investigating the effects of stirrer speed of 200-600 ... -
The dry wear profile of cam shaft
(ELSEVIER SCIENCE SA, 2005)In this study, the variation of the wear mechanism and the worn surface profile of the cam shaft were investigated under the dry wear conditions. The samples which were made of AISI 1040 were hardened by induction. The ... -
Effect of particle shape and roughness of talc mineral ground by different mills on the wettability and floatability
(ELSEVIER SCIENCE SA, 2004)In this study, shape characteristics of talc particles produced by ball, rod and autogenous mills were investigated using Scanning Electron Microscope (SEM) and expressed by the shape descriptors such as elongation, flatness, ... -
The effects of different ceramics size and volume fraction on wear behavior of Al matrix composites (for automobile cam material)
(ELSEVIER SCIENCE SA, 2012)In this study, a number of metal matrix composites were manufactured to determine their tribological properties. AA2124 matrix material, reinforced by SiC, B4C or Al2O3 (of different particle sizes), was used for manufacturing ... -
Evaluation of continuous grinding tests on some marble and limestone units with silicon carbide and diamond type abrasives
(ELSEVIER SCIENCE SA, 2008)This paper deals with the results of continuous grinding tests carried out with two different grinding machines on some marble and limestone units with silicon carbide and diamond type abrasives. The results showed that ...