Güncel Gönderiler: Mühendislik Fakültesi
Toplam kayıt 568, listelenen: 21-40
-
A fully coupled thermal–microstructural–mechanical finite element processmodel for directed energy deposition additive manufacturing of Ti–6Al–4V
(TAYLOR & FRANCIS LTD, 2023)A fully coupled thermal–microstructural–mechanical finite element modelling framework is developed to investigate the distortion and residual stresses during directed energy deposition (DED) of multi-phase Ti–6Al–4V alloy. ... -
Adsorptive separation of CH4, H2, CO2, and N2 using fullerene pillared graphene nanocomposites: Insights from molecular simulations
(SPRINGER, 2023)Context The adsorptive separation performances of fullerene pillared graphene nanocomposites (FPGNs) with tunable micro and meso porous morphology are investigated for the binary mixtures of CH4, H2, CO2 and N2 by using ... -
Biomechanical Behavior Evaluation of Resin Cement with Different Elastic Modulus on Porcelain Laminate Veneer Restorations Using Micro-CT-Based Finite Element Analysis
(MDPI, 2023)The aim of this study is to evaluate the biomechanical behavior of the porcelain laminate veneer restorations (PLV) of the maxillary central incisor luted with two types of resin cements having different incisal preparations: ... -
A Hybrid Artificial Neural Network-Particle Swarm Optimization Algorithm Model for the Determination of Target Displacements in Mid-Rise Regular Reinforced-Concrete Buildings
(MDPI, 2023)Abstract: The realistic determination of damage estimation and building performance depends on target displacements in performance-based earthquake engineering. In this study, target displacements were obtained by performing ... -
Thiolated Cellulose: A Dual-Acting Mucoadhesive and Permeation-Enhancing Polymer
(AMER CHEMICAL SOC, 2023)This study aims to design an anionic, thiolated cellulose derivative and to evaluate its mucoadhesive and permeation-enhancing properties utilizing enoxaparin as a model drug. 2-Mercaptosuccinic acid-modified cellulose ... -
The removal of heavy metals from refinery effluents by sulfide precipitation
(BERG FAC TECHNICAL UNIV KOSICE, 2023)This study investigated the selective precipitation of copper (Cu2+), nickel (Ni2+) and zinc (Zn2+) ions from industrial wastewater by using sodium sulfide (Na2S). The effects of pH, time and free sulfide concentration on ... -
Mor lahana özütü kullanarak grafen oksitin indirgenmesi ve oksidasyon ile fotokatalitik aktivitesinin incelenmesi
(GAZI UNIV, FAC ENGINEERING ARCHITECTURE, 2023)Grafen ve türevleri pek çok eşsiz sayılabilecek özelliğe sahip, fotokatalitik bozunum ve adsorpsiyon uygulamalarında potansiyeli olan önemli bir malzemelerdir. Grafen oksitin (GO) indirgenerek oksijen içeren fonksiyonel ... -
Hydrophobic surface modification and characterization of melamine foam
(TUBİTAK, 2023)Abstract: Superhydrophobic and oleophilic modification of commercial acoustic melamine foam (MF) was made in this study. The modification was carried out with chitosan (CHI) and silica particles (SiO2 ), by using both a ... -
Effect of Foam-mat Drying on Bioactive, Powder and Thermal Properties of Carrot Juice Powders
(ACAD BRASILEIRA DE CIENCIAS, 2023)Abstract: Foam-mat drying is a promising method due to involvement of proteins as foaming agent which acts like a wall material wrapping around bioactives and retards their degradation. In this study, powder properties of ... -
Artificial neural network approach for lead removal from aqueous solution by agricultural waste derived biochars
(YILDIZ TECHNICAL UNIV, 2023)Lead (Pb2+) which is one of the most important heavy metals found in water sources, has a toxic effect on living things in aquatic environment. Therefore, the removal of Pb2+ ions from wastewater is very important if its ... -
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 ... -
Synthesis optimization of ZrO2 nanostructures for photocatalytic applications
(Scientific and Technological Research Council Turkey, 2023)Abstract: This study aims to optimize the synthesis of semiconductor zirconia (ZrO2 ) nanoparticles for future photocatalytic applications in degradation of pollutants in wastewater under ultraviolet (UV) light. The synthesis ... -
Energy absorption of 2D auxetic structures fabricated by fused deposition modeling
(SPRINGER HEIDELBERG, 2023)Auxetic structures have become a very popular subject in recent years due to their interesting physical and mechanical properties such as light weight, energy absorption capability, and impact resistance. In this context, ... -
Ambient relative humidity effects on mechanical properties of FDM 3D printed PLA components
(IOP Publishing Ltd, 2023)Abstract In this study, poly(lactic acid) samples were printed by using the fused deposition method whereas ambient relative humidity conditions and filling percentages varied. The effects of the relative humidity on the ... -
A comparative experimental performance evaluation of solar air collector having absorber plate with convex oval-trench dimple
(Springer Science and Business Media Deutschland GmbH, 2023)The purpose of this research is to examine how convex oval-trench dimples placed staggered on a solar air collector's absorber improved vortex heat transfer. At air mass flow rates of 0.013, 0.027, and 0.036 kg/s, convex ... -
Single step calciothermic synthesis of nickel boride particles in molten salt
(Springer, 2023)Abstract In this study, production of nickel boride (NixB) via calciothermic reduction in molten salt has been studied. Firstly, the electrochemical behaviors of CaO and NiO in CaCl2 melt were examined by cyclic voltammetry ... -
Determination of 355 Pesticides in Lemon and Lemon Juice by LC-MS/MS and GC-MS/MS
(MDPI, 2023)Abstract: While pesticides have become a primary tool in modern agriculture, these compounds remain a high priority on the list of consumer concerns regarding food safety. The use of pesticides in the production and ... -
Quantification of 363 Pesticides in Leafy Vegetables (Dill, Rocket and Parsley) in the Turkey Market by Using QuEChERS with LC-MS/MS and GC-MS/MS
(MDPI, 2023)Abstract: Contamination of agricultural products with pesticide residues is a growing concern due to their adverse health effects and increasing worldwide usage of pesticides. In 2021 a total of 200 samples of green leafy ... -
Shortest Confidence Intervals of Weibull Modulus for Small Samples in Materials Reliability Analysis
(GAZI UNIV, 2023)The Weibull distribution has been widely used to model strength properties of brittle materials. Estimation of confidence intervals for Weibull shape parameter has been an important concern, since small sample sizes in ... -
ADSORPTION OF DIAZO DYE DIRECT RED-28 AND TETRA-AZO DYE DIRECT BLACK-22 USING CALCINED KAOLIN IN AQUEOUS SOLUTIONS
(CHEM SOC ETHIOPIA, 2023)ABSTRACT. In this study, the removal of diazo and tetra-azo dyes using calcined kaolin were compared. Direct red-28 (DR-28) and Direct black-22 (DB-22) was chosen as diazo and tetra-azo dyes, respectively. The kaolin ...
