Güncel Gönderiler: Kimya Mühendisliği Bölümü
Toplam kayıt 152, listelenen: 121-140
-
Assessment of the sediment toxicity in Bulgarian and Turkish rivers using the biomarkers in chironomus riparius Mg. (Diptera: Chironomidae)
(2012)As a model organism we used Chironomus riparius Mg. - a widely distributed species that can be reared in the laboratory conditions and has excellent salivary gland chromosomes. The study showed that the genome at cytogenetical ... -
Processing of urea-formaldehyde-based particleboard from hazelnut shell and improvement of its fire and water resistance
(Wiley Blackwell, 2009)The purpose of this study was to manufacture urea-formaldehyde-based particleboard from hazelnut shell and eliminate its disadvantages such as flammability, water absorption, swelling thickness by using fly ash and ... -
An approach to the usage of polyethylene terephthalate (PET) waste as roadway pavement material
(Elsevier, 2014)This study investigates an application area for Polyethylene Terephthalate (PET) bottle waste which has become an environmental problem in recent decades as being a considerable part of the total plastic waste bulk. Two ... -
Investigation of reaction pathways and kinetics of turkish asphaltenes
(Italian Association of Chemical Engineering - AIDIC, 2013)In this study, reaction kinetics of asphaltene fractions of petroleum feedstocks from field in southeastern part of Turkey were investigated. Asphaltene was fractionated from atmospheric residue of petroleum feedstock. ... -
Sonocatalytic treatment of baker’s yeast effluent
(IWA Publishing, 2017)Baker’s yeast effluent is a major source of pollution with a high organic load and dark colour. It can be treated by using advanced oxidation processes (AOPs). AOPs, such as ultrasonic irradiation, are ambient temperature ... -
Ultrasonic treatment of baker's yeast effluent using SnO2/TiO2 composite
(De Gruyter Open Ltd, 2017)In this study, ultrasonic treatment of baker's yeast effluent was investigated in an ultrasonic homogenizer emitting waves at 20 kHz. The SnO2/TiO2 composites were used as a sonocatalyst to assist the sonication process. ... -
Determination of biogenic amines at low μg L–1levels as acetylacetone derivatives by RP-HPLC with UV-visible detection in expired apple juice samples
(Slovensko Kemijsko Drustvo, 2018)An accurate and sensitive method for trace quantification of three biogenic amines in expired apple juice samples based on reversed-phase liquid chromatography (RP-HPLC) with UV-visible detection is described. Biogenic ... -
Elmas nano parçacık takviyeli krom kaplanmış gözenekli toz metal parçaların korozyon davranışlarının araştırılması
(Gazi Üniversitesi, 2016)Bu çalışmada, su atomizasyon yöntemi ile üretilmiş, %0,2 ve %0,5 karbon takviyeli Distaloy tozları 420 MPa sıkıştırma basıncında tek eksenli pres ile sıkıştırılmış, 1120ºC’de 30 dakika sinterlenmiştir. Elde edilen numunelere ... -
Bazı metal organik kafes yapılı bileşiklerin hidrojen depolama performanslarının incelenmesi
(2013)Hidrojenin bilinen depolama sistemlerinden farklı olarak depolama ortamlarında kimyasal olarak veya zayıf van der Waals etkileşimleriyle fiziksel olarak tutunabildiği bilinmektedir. Hidrojen, fiziksel adsorpsiyonla karbon ... -
Synthetic strategies towards the carbenoid reactions of α, β-acetylenic carbonyls
(TÜBİTAK, 2018)Catalytic reactions of α, β-conjugated carbonyl compounds have been a practical tool towards the synthesis of different useful heterocyclic compounds. Despite the numerous reactions with carbon-carbon double bond conjugated ... -
A parameter identifiability and estimation study in Yesilirmak River
(2009)Water quality models have relatively large number of parameters, which need to be estimated against observed data through a non-trivial task that is associated with substantial difficulties. This work involves a systematic ... -
A comprehensive study on adsorption behavior of some azo dyes from aqueous solution onto different adsorbents
(IWA Publishing, 2017)One of the major environmental problems is the existence of dye materials in water sources. This pollutant must be removed from water by appropriate methods. Although most of these methods are efficient for the treatment ... -
Comparison of the curing kinetic behavior for two epoxy resin systems containing EPIKOTE 828-EPIKURE 3090 and DURATEK KLM 606a-DURATEK KLM 606b
(2007)The aim of the study is to determine the optimum cure temperatures and kinetics for two different epoxy resin systems without using solvent. Two resin systems consist of EPIKOTE 828® epoxy resin-EPIKURE® 3090 polyamidoamine ... -
The orientational behaviour of some aminoanthraquinone dyes in E8 and ZLI-1132 nematic solvents and effect of addition of carbon nanotubes
(2011)Guest-host liquid crystal displays have been widely utilised because of their many advantages such as colour, wide viewing angle and high brightness. For practical guest-host applications, it is important to choose dyes ... -
The effect of finely-divided fillers on the adhesion strengths of epoxy-based adhesives
(Elsevier Ltd, 2015)It was aimed to investigate the effect of five different fillers on the adhesion strength of the metal parts used in different industries by using T-peel and lap-shear tests with respect to ASTM D 1876 and ASTM D 1002 ... -
Sno2/graphene nanocomposites with enhanced gas sensing performance
(Trans Tech Publications Ltd, 2018)Graphene-Tin Oxide (G-SnO2) nanocomposites in different morphology were synthesized using tin (II) chloride (SnCl2) and graphene Oxide (GO) via hydrothermal process in the presence of hydrazine and ammonia by adding ... -
Synthesis and characterization of modified diatomite-leaf-like cuO nanosheet composites
(Trans Tech Publications Ltd, 2018)In this work, firstly we described the effect of freeze drying on modification of raw diatomite. And then, modified diatomite-leaf-like copper oxide (CuO) nanosheet composite was successfully prepared by surfactant-free ... -
Size controllable synthesis and characterization of cuO nanostructure
(Trans Tech Publications Ltd, 2018)In this study, copper oxide (CuO) nanostructures were successfully prepared by adding EG (ethylene glycol) and PEG (4000, 8000) (polyethylene glycol) via an in-situ chemical precipitation method. EG and PEG (4000, 8000) ... -
The effect of potassium modification on structural properties and catalytic activity of copper and iron containing SBA-16 catalysts for selective oxidation of ethanol
(Elsevier Ltd, 2019)Copper and iron SBA-16 catalysts were synthesized using hydrothermal method and modified with potassium. XRD patterns showed that characteristic peaks of SBA-16 for all catalysts did not destroy with metal loading. The ... -
Role of NaCl in NaBH4 production and its hydrolysis
(2013)This study explains completely feasible route to synthesize NaBH 4 by means of mechano-chemical reaction, in which NaCl, B 2O3 and MgH2 were utilized. Optimum reaction conditions were investigated by different values of ...