Başlık için Mühendislik Fakültesi listeleme
Toplam kayıt 559, listelenen: 350-369
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N-O tethered carbenoid cyclopropanation facilitates the synthesis of a functionalized cyclopropyl-fused pyrrolidine
(2013)We report a facile approach to a cyclopropyl-fused pyrrolidine, which contains four stereogenic centers, by employing the N-O tethered carbenoid methodology. The synthesis was facilitated by the development of a direct ... -
N-vinylcaprolactam-based microgels: synthesis, characterization and drug release applications
(Springer Netherlands, 2016)In this study, N-vinylcaprolactam, metacrylic acid sodium salt and itaconic acid sodium salt-based copolymeric and terpolymeric microgels were synthesized by precipitation polymerization method with 2,2?-azobis(2-methylp ... -
NaBH4 Hidrolizi İçin Al2O3 Destekli Çok Bileşenli Nanokatalizör Sentezi ve Kinetik Değerlendirmesi
(GAZI UNIV, 2023)Yapılan çalışmada Al2O3 destek üzerinde ikili Co-Fe ve üçlü Co-Fe-Pt katalizörleri emdirme tekniği ile sentezlenmiştir. Üretilen katalizörler ile alkali ortamda NaBH4’ün tepkime vermesi sağlanmış ve hidrojen üretim hızı ... -
Nano Mineralojik Akışkanların Termofiziksel Özelliklerinin Deneysel Olarak İncelenmesi
(2019)Bu çalışmada bentonit, diatomit, sepiyolit ve klinoptilolit malzemeleri içeren nanoakışkanların termofiziksel özellikleri belirlenmiştir. Spex tipi yüksek enerjili öğütücü kullanılarak 50 nm boyutunda nano parçacıklar ... -
A natural approach, the use of killer toxin produced by Metschnikowia pulcherrima in fresh ground beef patties for shelf life extention
(Elsevier, 2021)A novel killer toxin produced by yeast Metschnikowia pulcherrima was purified and added into ready to cook meatballs to enhance their microbial safety and extension of their shelf life. The agent was added into ready to ... -
Natural co-occurrence of aflatoxins and ochratoxin A in spices
(Elsevier, 2012)The present study aims to determine the co-occurrence of aflatoxins (AFs) and ochratoxin A (OTA) in spices marketed in Turkey. During the period from November 2010 to August 2011, 105 samples of spices were checked for ... -
A New Approach for Cu and Fe/FexB Production from Chalcopyrite by Molten Salt Electrolysis
(Springer, 2020)In the present study, copper (Cu) and iron boride -( FexB) were produced for the first time through molten salt electrolysis using chalcopyrite -(CuFeS2) in an oxide- based borax electrolyte. Molten salt electrolysis was ... -
A new approach to automation of black tea fermentation process with electronic nose
(KoREMA, 2018)Manufacturing of black tea is a complex process consisting of plucking, withering, curling, fermenting, drying, determining of quality, and packaging stages. Nowadays, tea quality is determined by two methods. Either ... -
A new binder in production of water-resistant briquettes from bituminous coals: Co-polymer binder
(Taylor and Francis Inc., 2016)Briquetting could be a solution to economic and environmental problems regarding fine coals. However, briquettes that are formed using molasses disintegrate in water and create problems. Providing water resistance to ... -
A new mathematical approach to the bleaching process of edible oils
(Wiley, 2020)BACKGROUND As energy costs are constantly increasing, industries need to consider efficiency in all processes. Vegetable oils, which are among the daily staple foods, have large energy-consuming processes during refining. ... -
A new method and computer-controlled system for measuring the time constant of real thermoelectric modules
(2012)Thermoelectric and dynamic parameters of thermoelectric (TE) modules such as time constant are of crucial importance in production and utilization of these modules. Many techniques, apparatuses and software have been ... -
A new model for comminution behavior of different coals in an impact crusher
(Taylor and Francis Inc., 2014)In this study, breakage behavior of three different coals in a laboratory impact crusher was investigated. The laboratory impact crusher carrying three rows of hammers is rotating at 2,840 rpm driven by a 1.1 kW motor. In ... -
A new simulated annealing approach for travelling salesman problem
(2013)The aim of this study is to improve searching capability of simulated annealing (SA) heuristic through integration of two new neighborhood mechanisms. Due to its ease of formulation, difficulty to solve and various real ... -
A new size distribution model by t-family curves for comminution of limestones in an impact crusher
(Elsevier, 2011)In the evaluation of crushers, t-family curves obtained from single particle test methods are frequently used. It is known that there are many difficulties and problems in these tests. In this study the breakage behaviour ... -
Nickel-based bimetallic nanocatalysts in high-extent dehydrogenation of hydrazine borane
(2012)Hydrazine borane N 2H 4BH 3 (HB) is a promising chemical hydrogen storage material but its development is highly dependent on the catalyst that will be used to dehydrogenate it, that is, to hydrolyze the BH 3 group and ... -
Non-enzymatic sensing of glucose using a glassy carbon electrode modified with gold nanoparticles coated with polyethyleneimine and 3-aminophenylboronic acid
(Springer-Verlag Wien, 2016)A non-enzymatic electrochemical method was developed for sensing glucose by using a glassy carbon electrode modified with 3-aminophenylboronic acid (APBA) immobilized on polyethyleneimine (PEI)-coated gold nanoparticles. ... -
Nonalcoholic beer
(Academic Press Ltd-Elsevier Science Ltd, 2020)Beer is the most consumed alcoholic beverage in the world. Due to increased health awareness and risks related to alcohol abuse, beer with low or no alcohol content has been gaining popularity. However, there is a consumer ... -
Nonlinear vibrations of spring-supported axially moving string
(Kluwer Academic Publishers, 2015)In this study, multi-supported axially moving string is discussed. Supports located at the ends of the string are simple supports. A support located in the middle section owns the features of a spring. String speed is ... -
Novel 2D micro-porous metal-organic framework for hydrogen storage
(Elsevier Ltd, 2016)A novel two dimensional Metal-Organic Framework (MOF) structured compound with trimesic acid (TMA), 1,10 Phenantroline (Phen) and Cu(II) building blocks were synthesized and characterized experimentally. Then Grand Canonical ... -
Novel approaches to identify and characterise microorganisms in food industry
(Springer International Publishing, 2017)As far as food industries are concerned, two utmost important and determining aspects are safety and quality; therefore, it is highly important to detect, identify, characterise and quantify microorganisms in foodstuffs ...