Güncel Gönderiler: Mühendislik Fakültesi
Toplam kayıt 564, listelenen: 261-280
-
Quantitation of aflatoxins in walnut kernels by high-performance liquid chromatography with fluorescence detection
(Taylor and Francis Ltd., 2014)A total of 85 walnut samples collected between October 2012 and April 2013 in different provinces of Turkey were analysed for the presence of aflatoxins (AFs). The method involved methanol–water extraction, clean-up with ... -
Aflatoxins in dairy cow feed, raw milk and milk products from Turkey
(Taylor and Francis Ltd., 2016)This study aims to detect aflatoxins (AFs) in dairy cow feed, milk and milk products using a high-performance liquid chromatography coupled with fluorescence detection (HPLC-FLD) method. All the validation parameters met ... -
Effects of two important parameters on capacity of a laboratory Jaw crusher of different coals: Choke feed level and effective reduction ration
(Taylor and Francis, 2011)In this study, the effects of three different choke feed level (1/1, 1/2, and 1/4) and four different effective reduction ratios (2.5, 5, 10, and 20) depend on the capacity of the crusher of the three different characteristic ... -
Aflatoxins and ochratoxin A in chocolate products in Turkey
(Taylor and Francis Ltd., 2019)This survey describes the occurrence and levels of AFs and OTA in chocolate products consumed in Turkey. A total of 130 samples, including bitter chocolate, milk chocolate and chocolate wafers were analysed for these ... -
Validation of a modified QuEChERS method for the determination of 167 pesticides in milk and milk products by LC-MS/MS
(Springer New York LLC, 2018)A liquid chromatography tandem mass spectrometry (LC-MS/MS) method with modified QuEChERS (quick, easy, cheap, effective, rugged and safe) extraction cleaning process was comprehensively validated for determination of 167 ... -
Production of water-resistant briquettes from a mixture of an imported bituminous coal and a Turkish lignite with copolymer binder
(Taylor and Francis, 2013)In this study, low-quality Denizli-Kale lignite was mixed with a high-quality imported (Siberian) bituminous coal, and optimum briquetting conditions were investigated with a copolymer (Mowilith-VDM©) binder. In the ... -
Numerical investigation of amounts of heat, power and temperature distribution in IT-SOFC
(Electrochemical Society Inc., 2013)In this study, thermodynamic and heat transfer concepts were combined to understanding correlation of heat, power and temperature gradient on the cell. All of heat sources and amounts has been determined for electrolyte ... -
Design and implementation of real-time monitoring and control system supported with IOS/Android application for industrial furnaces
(John Wiley and Sons Inc., 2018)SCADA (supervisory control and data acquisition) systems have been used widely in the manufacturing process in parallel to the rapid advancement of technology in recent years. The quality of products in these systems depends ... -
Adsorption of Brilliant Green from Aqueous Solutions onto Crosslinked Chitosan Graft Copolymers
(2011)In this study, graft copolymerization of itaconic acid (IA) and crotonic acid (CA) onto the crosslinked chitosan beads were carried out using ammonium persulfate as initiator. Grafted chitosan beads were characterized by ... -
Removal of Cu 2+ and Pb 2+ Ions Using CMC Based Thermoresponsive Nanocomposite Hydrogel
(2011)In this study, carboxymethylcellulose (CMC) based thermoresponsive nanocomposite hydrogel was synthesized for the removal of Cu 2+ and Pb 2+ ions from aqueous solutions. To prepare nanocomposite hydrogel, graft copolymerization ... -
Thermal-stress analysis of ceramic laminate veneer restorations with different incisal preparations using micro-computed tomography-based 3D finite element models
(Elsevier Ltd, 2017)Main objective of this study is to investigate the thermal behavior of ceramic laminate veneer restorations of the maxillary central incisor with different incisal preparations such as butt joint and palatinal chamfer using ... -
Modified ultrasound despeckling assessment index for the Field II simulated cyst image
(Institution of Engineering and Technology, 2017)Various methods have been proposed to reduce speckle noise, which decreases image quality in ultrasound images. The Field II simulated cyst image consists of three classes and is used to compare a proposed despeckle filter ... -
Investigation of usability of the fusel oil in a single cylinder spark ignition engine
(Elsevier B.V., 2015)In order to decrease the dependency on petrol-originated energy resources, the utilization of different energy resources in internal combustion engines has been the center of interest of researchers. The main renewable ... -
Irreversibility analysis of a two-evaporator vapour compression refrigeration system
(Inderscience Enterprises Ltd., 2015)In this study, irreversibility analysis of a two-evaporator vapour compression refrigeration system under the influence of superheating and subcooling effects was carried out. The thermodynamic properties of the refrigerants ... -
Investigation of the component exergy efficiencies of a two stage vapour compression cycle
(Inderscience Enterprises Ltd., 2018)The exergy efficiencies of the components (compressor I and II, condenser, evaporator and flash tank) of a two stage vapour compression refrigeration cycle were analysed with respect to evaporator and condenser temperatures ... -
Irreversibility analysis of a compression refrigeration cycle using natural refrigerants for a sustainable future
(2012)Irreversibility analyses of R290, R717, R718 and R744 are carried out in a compression refrigeration cycle. The effects of evaporator temperature, condenser temperature and isentropic efficiency on the irreversibility of ... -
Dietary intake of sorbic and benzoic acids from tomato ketchup for adults and children in Turkey
(Birkhauser Verlag AG, 2015)This report aims to determine levels and dietary intake of sorbic and benzoic acids from tomato ketchup consumed in Turkey. During the period from September 2013 to October 2014, a total of 63 tomato ketchup samples were ... -
Effects of flexural stiffness, axial velocity and internal support locations on translating beam's natural frequencies
(Trans Tech Publications, 2014)The aim of this paper is to examine the natural frequencies of beams for different flexural stiffness, internal simple support locations and axial moving speed. In the present investigation, the linear transverse vibrations ... -
An evaluation of a modified product size distribution model based on t-family curves for three different crushers
(Oficyna Wydawnicza Politechniki Wroclawskiej, 2013)Crushing is a process which is widely used in mineral processing plants, cement factories, aggregates plants and some other industrial plants. Specific fracture energy of the particles is not the only fundamental property ... -
Optimization of coal flocculation with an anionic flocculant using a Box-Wilson statistical design method
(Oficyna Wydawnicza Politechniki Wroclawskiej, 2014)In this study, the Box-Wilson statistical experimental design method was employed to evaluate suspension pH, salt (CaCl2·2H2O) concentration and anionic flocculant (A-150) amount in flocculation of coal. Response function ...