Güncel Gönderiler: Mühendislik Fakültesi
Toplam kayıt 568, listelenen: 341-360
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Immobilization of Aspergillus oryzae β-galactosidase on low-pressure plasma-modified cellulose acetate membrane using polyethyleneimine for production of galactooligosaccharide
(2010)The aim of this study was to produce galactooligosaccharides (GOS) from lactose using ?-galactosidase from Aspergillus oryzae immobilized on a low-pressure plasma-modified cellulose acetate (CA) membrane. Specifically, a ... -
Theoretical and experimental analysis for the impact response of glass fibre reinforced aluminium honeycomb sandwiches
(SAGE Publications Ltd, 2018)Honeycomb sandwich structures are increasingly used in the automotive, aerospace and shipbuilding industries where fuel savings, increase in load carrying capacity, vehicle safety and decrease in gas emissions are very ... -
Large bandwidth mode order converter by differential waveguides
(Optical Society of American (OSA), 2015)In this article, we propose a large bandwidth mode-order converter design by dielectric waveguides with equal lengths but different cross-sectional areas. The efficient conversion between even and odd modes is verified by ... -
Predicting microstructure evolution during directed energy deposition additive manufacturing of Ti-6Al-4V
(American Society of Mechanical Engineers (ASME), 2018)Laser engineering net shaping (LENS) is one of the representative processes of directed energy deposition (DED) in which a moving heat source having high-intensity melts and fuses metal powders together to print parts. The ... -
Partial dealcoholization of red wine by nanofiltration and its effect on anthocyanin and resveratrol levels
(SAGE Publications Inc., 2016)The present work studies the use of nanofiltration for the production of red wine concentrate with low alcohol content. Factorial design was applied to measure the influences of transmembrane pressure (10-20 bar) and ... -
A comparative study on the effects of different thermochemical coating techniques on corrosion resistance of STKM-13A steel
(Springer Boston, 2018)The corrosion resistances of three different thermochemical coatings (grown using titanizing, boriding, and borotitanizing treatments) applied to STKM-13A steel surfaces were investigated. The coatings were characterized ... -
Abrasive wear, structure, and mechanical aspects of Al–Al2O3 composites fabricated using various mixing media during P/M routes
(Springer New York LLC, 2016)The effects of mixing method during powder metallurgy (PM) routes on the abrasive wear behavior of Al–Al2O3p composite materials is investigated. For this purpose, starting Al powders with a constant volume fraction of 10% ... -
Effects of nitridation time and precursor particle size on yield of β-SiAlON synthesized from calcined kaolinite
(Springer New York LLC, 2019)Carbothermal reduction and simultaneous nitriding (CTRN) of natural aluminosilicates is a method used to obtain phases of Si–Al–O–N system. SiAlON phases have important applications, such as high technology ceramics, for ... -
Experimental investigation of a cross-flow heat exchanger with wing-type vortex generators
(2008)In this study, heat and fluid flow in a plate-fin heat exchanger with wing-type convergent-divergent longitudinal vortex generators (CDLVGs) were studied experimentally. A cross-flow plate-type heat exchanger was designed ... -
An experimental investigation of heat transfer enhancement in a rectangular duct with plate fins
(2009)In this study, using an ideal heat exchanger model, a detailed evaluation of performance parameters in the turbulent regime for the enhancement of heat transfer by using winglet-type vortex generators is carried out. The ... -
A validated RP-LC method for salmeterol and fluticasone in their binary mixtures and their stress degradation behavior under ICH-recommended stress conditions
(Maik Nauka Publishing / Springer SBM, 2014)Simple, accurate, precise and fully validated analytical methods for the simultaneous determination of salmeterol xinafoate and fluticasone propionate in combined dosage forms have been developed. These drugs were exposed ... -
Improvements on deinterleaving of radar pulses in dynamically varying signal environments
(Elsevier Inc., 2017)An electronic support system receiver which is a passive receiver picks up an interleaved stream of pulses and extracts their pulse parameters. These parameters are sent to a deinterleaving subsystem which sorts them and ... -
Properties and tribologic behavior of titanium carbide coatings on AISI D2 steel deposited by thermoreactive diffusion
(Minerals, Metals and Materials Society, 2018)In the present study, the metallographic, mechanical and tribologic behaviors of AISI D2 steel specimens coated with TiC through the titanizing process were investigated. The titanizing treatment was performed at the ... -
Mycotoxins in spices and herbs–An update
(Taylor and Francis Inc., 2017)Spices and herbs have been used since ancient times as flavor and aroma enhancers, colorants, preservatives, and traditional medicines. There are more than 30 spices and herbs of global economic and culinary importance. ... -
An introduction to the traditional fermented foods and beverages of Turkey
(2011)Fermented foods and beverages,whether of plant or animal origin, play an important role in the diet of people in many parts of the world. Fermented foods not only provide important sources of nutrients but have also great ... -
Pore modification in porous ceramic membranes with sol-gel process and determination of gas permeability and selectivity
(2010)Summary: The aim of the study was to investigate the variation in total surface area, porosity, pore size, Knudsen and surface diffusion coefficients, gas permeability and selectivity before and after the application of ... -
Synthesis and characterization of poly (VCL-HEA-IA) terpolymer for drug release applications
(M.D. Publications, 2016)In the present work, poly(VCL-HEA-IA) terpolymeric hydrogels were synthesized by free radical polymerization of N-vinylcaprolactam (VCL), 2-hydroxethyl acrylate (HEA), and itaconic acid (IA) monomers using N, N'-methylene ... -
Degradation of poly(vinyl chloride) onto KF-Al 2O 3
(2010)g-Alumina coated with potassium fluoride, KF-Al 2O 3 proved dehydrochlorination of poly(vinyl chloride), in tetrahydrofuran. The molecular changes was observed in the accurance of polyene sequence distribution by using ... -
Dichromate and phosphate sorption capacity of bis formyl calix[4]arene on superparamagnetic iron oxide nanoparticles in aqueous phase
(Chemical Publishing Co., 2016)Calix[4]arene derivatives were added into aqueous phase phosphate and dichromate solutions in order to investigate sorption capacity at pH of 1.5 to 5.5. A 25 mg of polymers magnetic calix[4]arenes derivatives was added ... -
Experimental and numerical analysis of low velocity impact on a preloaded composite plate
(Elsevier Ltd, 2015)An experimental and numerical study on the influence of biaxial preloading on the low velocity impact performance of E-glass/epoxy-laminated composite plates was conducted. For this aim, an experimental device was developed ...
