Browsing Araştırma Çıktıları by Publisher "ELSEVIER SCIENCE SA"
Now showing items 21-40 of 57
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An evaluation of the possibilities of using borided GG25 cast iron instead of chilled GG25 cast iron (surface properties)
(ELSEVIER SCIENCE SA, 2000)In this study, the friction and wear behaviour of chilled and borided GG25 gray cast iron, as used in industry, were investigated. Its surface properties, microstructures, hardness distribution and wear behaviour were ... -
Experimental evaluation of using various renewable energy sources for heating a greenhouse
(ELSEVIER SCIENCE SA, 2013)The interest in alternative or renewable energy sources for greenhouse heating is currently high, owing to the large heating loads and the relatively high price of fossil fuels. Important alternative sources of energy are ... -
Experimental techniques for investigating the surface oxygen formation in the N2O decomposition on Fe-MFI zeolites
(ELSEVIER SCIENCE SA, 2007)Several experimental techniques were used to investigate the formation of surface oxygen in the N2O decomposition on an Fe-MFI zeolite. These techniques consisted of multipulse and step experiments as transient methods at ... -
Force constant calculations for octahedral complexes of the type M(CO)(5)L, based on the CO-factored force field
(ELSEVIER SCIENCE SA, 2001)Using the maximum value of the sum of the interaction constants, the CO-factored force field of octahedral M(CO)(5)L molecules was solved to give the relations which allow direct calculation of force constants from C-O ... -
Formation of carbon nanowalls by pulsed filtered cathodic vacuum arc deposition
(ELSEVIER SCIENCE SA, 2019)In the present study, Carbon Nanowalls (CNWs) were produced by Pulsed Filtered Cathodic Vacuum Arc Deposition (PFCVAD) on glass substrates. A high purity graphite rod was used as a cathode target. Growth was performed by ... -
G-quadruplex and calf thymus DNA interaction of quaternized tetra and octa pyridyloxy substituted indium (III) phthalocyanines
(ELSEVIER SCIENCE SA, 2017)The interactions of small molecules with G-quadruplex and double stranded DNA are important due to their potential biological and medical usages. In the present paper, the interactions of indium (III) phthalocyanines ... -
Half-sandwich Ruthenium(II) arene complexes bearing the azo-azomethine ligands: Electrochemical, computational, antiproliferative and antioxidant properties
(ELSEVIER SCIENCE SA, 2018)Three novel azo-azomethine ligands have been synthesized in an accomplished one-pot synthesis protocol. The mononuclear Ru(II) complexes of these azo-azomethine dyes were prepared and characterized by the combination of ... -
Impact toughness and microstructure of continuous steel wire-reinforced cast iron composite
(ELSEVIER SCIENCE SA, 2009)In this study, improvement of impact toughness of gray cast iron by reinforcing steel fiber was investigated. The composite material was produced by sand mould casting technique. Then, normalizing heat treatment was applied ... -
Impacts of some chemicals on combustion properties of impregnated laminated veneer lumber (LVL)
(ELSEVIER SCIENCE SA, 2008)The objective of this study was to investigate the effects of zinc chloride (ZnCl2) and borax (Na2B4O7.5H(2)O) on combustion properties of laminated veneer lumbers (LVLs) with two, three and four-layered, produced from ... -
Investigation of critical liquid fraction factor in nodular iron castings by computer simulation
(ELSEVIER SCIENCE SA, 2008)Demands of the metal forming industry made the real time simulation method programs essential for good manufacturing of the finished product. In this paper, the CLF (critical liquid fraction) factor which is necessary for ... -
Investigation of the tensile properties of continuous steel wire-reinforced gray cast iron composite
(ELSEVIER SCIENCE SA, 2011)The aim of the present study was to improve the tensile properties of gray cast iron by reinforcing the material with a steel wire. The composite was produced by sand mold casting, and the specimens were normalized by ... -
An investigation on surface properties of treated low carbon and alloyed steels (boriding and carburizing)
(ELSEVIER SCIENCE SA, 2000)In this study, the wear behaviour of the borided and carburized AISI 1020 and 5115 steels are investigated. Some of the samples prepared from test materials are carhurized and some borided. The microstructure, worn surface ... -
Kinetics of fine wet grinding in a laboratory ball mill
(ELSEVIER SCIENCE SA, 2001)The kinetics of batch wet grinding of quartz from a feed of 600 x 425 mum to a product of 80% less than 8 mum have been determined using sieving and laser diffractometer sizing for size analysis. A dispersing agent was ... -
Mechanical and microstructural properties of low-carbon steel-plate-reinforced gray cast iron
(ELSEVIER SCIENCE SA, 2009)In the present experimental study, strengthening of gray cast iron by reinforcing with steel plates was investigated in the as-cast and normalized conditions. Normalizing heat treatments were applied to the specimens at ... -
Modeling and optimization of Multi-Gravity Separator to produce celestite concentrate
(ELSEVIER SCIENCE SA, 2007)In this study, a three-level Box-Behnken factorial design combined with response surface methodology (RSM) for modeling and optimizing of some operations parameter of Multi-Gravity Separator (MGS) to produce a celestite ... -
A modified ABC algorithm approach for power system harmonic estimation problems
(ELSEVIER SCIENCE SA, 2018)Electrical harmonic is an important issue on power quality of electrical systems. Therefore, estimation of power harmonics are essential to design filters to be utilized in electrical power systems for reducing harmonics ... -
Monodisperse-porous titania microspheres and their gold decorated forms as new photocatalysts for dye degradation in batch fashion
(ELSEVIER SCIENCE SA, 2018)A new photocatalyst in the form of "monodisperse-porous titania microspheres" 5 mu m in size, was synthesized by a developed staged-shape template hydrolysis and condensation protocol. Different from the batch-decolorization ... -
A new approach to solving the CO-factored force field of M(CO)(4) molecules having C-3 upsilon symmetry
(ELSEVIER SCIENCE SA, 1999)The CO-factored force field of M(CO)(4) molecules with C-3 nu symmetry was solved using the maximum value of the sum of the interaction constants as an additional constraint. The solution obtained led to the relations which ... -
A new method for assigning the C-O stretching bands in cis-disubstituted octahedral metal carbonyl complexes
(ELSEVIER SCIENCE SA, 2002)The paper describes a method for assigning the C-O stretching bands in cis-disubstituted metal carbonyls of the types L2M(CO)(4), (L-L)M(CO)(4), LL'M(CO)(4) and (L-L')M(CO)(4). The method was based on the parameter delta, ... -
A new method for calculating the CO-factored force constants of pentacarbonyliron
(ELSEVIER SCIENCE SA, 2002)Using an analytical approach we were able to obtain a valid solution to the CO-factored force field of Fe(CO)(5). The solution led to the relations which allow direct calculation of the CO-factored force constants from C-O ...