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Now showing items 1-20 of 703
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Effect of hydrocarbon chain length on adsorption of cationic surfactants onto clinoptilolite
(Elsevier, 01.01.2003)The adsorption behavior of quaternary ammonium cationic surfactants with different hydrocarbon chain lengths, i.e. HDTMA (hexadecyltrimethylammonium), TDTMA (tetradecyltrimethy- lammonium) and DDTMA (dodecyltrimethylammonium), ... -
Effects of La2O3 addition on the thermal stability of γ-Al2O3 gels
(Elsevier, 01.01.2004)The effects of La2O3 additions up to 5 wt.% on the thermal stabilities of sol-gel derived alumina gels were studied. Observations were made on pore size, total pore area, phase changes at various sintering temperatures ... -
Determination of equilibrium, kinetic and thermodynamic parameters of Acid Red 88 adsorption onto montmorillonitic clay
(OAIMDD-EcoZone Publishing House, 01.01.2015)The aim of this study is to evaluate adsorption kinetics, isotherms and thermodynamic parameters of anionic textile dye (Acid Red 88) onto montmorillonitic clay from aqueous solutions. The parameters of pH, initial dye ... -
Novel functional copolymers based on glycidyl methacrylate: Synthesis, characterization and polymerization kinetics
(Journal Of Macromolecular Science, Part a: Pure And Applied Chemıstry, 01.02.2017)A new methacrylate monomer 2-(4-nitrophenyl)-2-oxoethyl-2-methacrylate (NFM) was synthesized and its radical copolymerization with glycidyl methacrylate (GMA) was studied in 1,4-dioxane solution at 65 C using 2,2 0 ... -
Synthesis, characterization and Cr(VI) adsorption properties of modified magnetite nanoparticles
(Polish Academy of Sciences, 01.02.2017)In this study, magnetite (Fe 3 O ) nanoparticles were synthesized by chemical co-precipitation method, coated with silica, and then the surface of silica coated magnetite (Fe 4 3 O 4 @SiO ) nanoparticles was modified with ... -
Investigation of wear strength of blast furnace slag blended polymer materials
(Polish Academy of Sciences, 01.02.2017)Having symmetrical and balanced material properties, polymer matrix composites are increasingly becoming popular due to easiness of construction and are use in the production of aerospace and automotive structures. In ... -
Production of barite and boroncarbide doped radiation shielding polymer composite panels
(Polish Academy of Sciences, 01.02.2017)Developments in nuclear technology in the last century have lead to the use of radiation in different areas of human activity. These are not just the energetics but also food, agriculture, medicine, industry and science. Thus, ... -
Influence of dry grinding on physicochemical and surface properties of talc
(Oficyna Wydawnicza Politechniki Wrocławskiej, 01.02.2017)In this study the effect of dry grinding on hydrophobicity, surface free energy (SFE), particle size distribution, surface area, porosity, oil absorption, and whiteness of talc was investigated. The dry grinding was performed ... -
The effect of different mineral additives on non-wettability and surface energy of epoxy floor coating [Farklı mineral katkıların epoksi zemin kaplama malzemesinin ıslanmazlığına ve yüzey enerjisine etkisi]
(Gazi Üniversitesi, 01.02.2018)Bu çalışmada epoksi esaslı zemin kaplama malzemesinin ıslanmazlık ve yüzey enerjisi üzerine mineral katkı türü ve miktarının etkisi incelenmiştir. Mineral katkı olarak üç farklı atık ürün (uçucu kül, silis dumanı ve yüksek ... -
6 Şubat 2023 Sofalaca-Şehitkamil Gaziantep (Mw:7.7) ve Ekinözü Kahramanmaraş (Mw:7.6) depremlerinin GNSS gözlemlerine bağlı öncül sonuçları
(Afyon Kocatepe Üniversitesi, 01.03.2023)Bu çalışmada 6 Şubat 2023 tarihinde sırasıyla yerel saat ile 04:17 ve 13:24’te artarda meydana gelen Sofalaca-Şehitkamil Gaziantep (Mw:7.7) ve Ekinözü Kahramanmaraş (Mw:7.6) depremlerinin öncül jeodezik sonuçları verilmiştir. ... -
Some physicochemical properties and fatty acid compositions of different originated anatolian water buffaloes milk samples
(Afyon Kocatepe Üniversitesi, 01.03.2023)This study was carried out to determine the physicochemical properties and the fatty acid composition of milk samples collected from different originated Anatolian water buffaloes living in the same farm. The fat amounts ... -
Laktik asit bakterilerinin (LAB) citrobacter spp. izolatlarına karşı antimikrobiyal ve antibiyofilm aktivitelerinin değerlendirilmesi
(Afyon Kocatepe Üniversitesi, 01.03.2023)Bu çalışmanın amacı; Citrobacter izolatlarına karşı laktik asit bakterilerinin antimikrobiyal ve antibiyofilm aktivitelerini belirlemektir. Bu çalışmada kullanılan Citrobacter izolatları (C1, C2, C3) BD PhoenixTM otomasyon ... -
Development of models for green hydrogen production of Turkey geothermal Resources: A case study demonstration of thermodynamics and thermoeconomics analyses
(Elsevier, 01.03.2024)The transition to sustainable and clean energy sources has become imperative in the face of global climate change concerns. Hydrogen is a versatile and environmentally friendly energy carrier among the potential solutions. ... -
Preparation and characterization of sol-gel derived 4%La2O 3- Al2O3 ceramic membrane on clay-based supports
(Trans Tech Publications, 01.05.2004)In this work, γ-Al 2 O 3 membrane layer (4 wt % La 2 O 3 + 96 % Al 2 O ) was coated on the clay based porous support by using the sol-gel coating. The coating solution was prepared by using boehmite (AlOOH), ... -
Influence of pH and chloride-based metal salts on coagulation/dispersion behavior of talc suspension
(Separation Science and Technology, 01.05.2011)In this study, the coagulation behavior of talc suspensions in the presence and absence of chloride-based metal salts (NaCl, CaCl and AlCl ) at a constant (pH 4) and different pHs was assessed by sedimentation tests ... -
Applying discrete homotopy analysis method for solving fractional partial differential equations
(01.05.2018)In this paper we developed a space discrete version HAM(DHAM) to find the solutions of linear and nonlinear fractional partial differential equations with time derivative α(0<α≤1). The DHAM contains the auxiliary parameter ... -
Optimization of the operating conditions of a beta-type rhombic drive stirling engine by using response surface method
(Pergamon, 01.05.2020)The aim of this paper is to provide a multi-objective model to evaluate the effect of engine working parameters on the performance characteristics of a beta-type Stirling engine. The second objective of the study is to ... -
Osmanlı yönetim anlayışındaki dönüşüme Osmanlı anayasal belgelerinden kısa bir bakış
(Afyon Kocatepe Üniversitesi, 01.06.2022)Makalede Osmanlı Devleti'nin yönetim anlayışındaki dönüşüm Osmanlı anayasal belgeleri üzerinden incelenmiştir. Çalışmada modern kavramların anayasal belgelere eklenmesi ile Osmanlı Devleti’nin yönetim paradigmasının ... -
Thermodynamic optimization and thermoeconomic evaluation of Afyon biogas plant assisted by organic rankine cycle for waste heat recovery
(Pergamon, 01.06.2022)The use of biomass in energy conversions is important for a renewable and sustainable energy future. Compared to other renewable energy sources, biomass is one of the important advantages of being stored and used in times ... -
The totally symmetric Raman stretching vibration v(Mo-Mo) of quadruple molybdenum–molybdenum bonds varies linearly with the mass of molybdenum and its ligands
(Springer, 01.09.2013)The electronic (400±800 nm), i.r. and Raman (20± 400 cm)1 ) spectra of several hexahalo-di(aquo)dimolybdate(II) anions, Mo2X6 H2O 2ÿ 2 (X = Cl, Cl/Br, Br and I) containing quadruple metal±metal bonds have been investigated. ...
