Güncel Gönderiler: Fen Edebiyat Fakültesi
Toplam kayıt 674, listelenen: 481-500
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Korovkin type approximation theorems in weighted spaces via power series method
(Element D.O.O., 2018)In this paper we consider power series method which is also member of the class of all continuous summability methods. We study a Korovkin type approximation theorem for a sequence of positive linear operators acting from ... -
A benchmark for some bulk properties of bcc iron
(Multi-Science Publishing Co. Ltd, 2013)Some bulk properties of bcc iron were calculated. Structural and elastic properties such as cohesive energy, bulk modulus, typical elastic constants and vacancy formation energy were calculated for zero Kelvin temperature. ... -
Sturm-Liouville problem with moving discontinuity points
(Springer International Publishing, 2015)In this paper, we present a new discontinuous Sturm-Liouville problem with symmetrically located discontinuities which are defined depending on a parameter in the neighborhood of an interior point in the interval. Also the ... -
Geometry optimization calculations for the elasticity of gold at high pressure
(2013)We present embedded atom method based geometry optimization aspects of pressure effect on some elastic and mechanical properties of gold. During study, we determined the pressure dependency of equilibrium volume, typical ... -
Magnetism and microstructure characterization of phase transitions in a steel
(2014)We present phase transitions in a low carbon steel according to existing phases and their magnetism. Scanning electron microscope employed research to clarify and evaluate the microstructural details. Additionally, we ... -
Ultrastructural description of the corpora allata of Pimpla turionellae L. (Hymenoptera: Ichneumonidae)
(2011)The corpora allata, are endocrine glands which produced juvenile hormone. In this study, corpora allata of adult females of Pimpla turionellae were examined ultrastructurally by using the transmission electron microscopy. ... -
4-[2-(2,2-Dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)hydrazin-1-yl] benzo-nitrile
(2010)In the title compound, C 13H 11N 3O 4, the dioxane ring adopts an envelope conformation with the C atom bonded to the dimethyl group in the flap position [deviation = 0.613 (1) Å]. The nitrile group and the attached benzene ... -
Tetraaquabis(orotato-O)cobalt(II) dihydrate
(2010)In the title CoII complex, [Co(C5H3N 2O4)2(H2O)4]·2H2O, the CoII ion is located on an inversion center and is coordinated by two orotate (2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylate) anions and four water mol-ecules ... -
Diaquabis(2-bromobenzoato-κO)bis(N,N diethylnicotinamide- κN1)cobalt(II)
(2010)In the mononuclear title compound, [Co(C7H4BrO 2)2(C10H14N2O) 2(H2O)2], the CoII ion is located on a crystallographic inversion center. The asymmetric unit is completed by one 2-bromobenzoate anion, one diethylnicotinamide ... -
Ethyl 2-[(2-hydroxybenzylidene)amino]-6-methyl-4,5,6,7-tetrahydrothieno[2, 3-c]pyridine-3-carboxylate
(2013)The title compound, C18H20N2O3S, exists as the phenol–imine form in the crystal and there are bifurcated intramolecular O—H…(N/O) hydrogen bonds present. The conformation about the C N bond is anti (1E); the C N imine bond ... -
Bis(isonicotinamide-κN1)bis(4-methylbenzoato-κO) copper(II) dihydrate
(2010)In the centrosymmetric title compound, [Cu(C8H7O 2)2(C6H6N2O) 2]·2H2O, the CuII ion is located on a crystallographic inversion center. The asymmetric unit is completed by one 4-methylbenzoate anion, one isonicotinamide ... -
Effects of oregano essential oil supplementation to diets of broiler chicks with delayed feeding after hatching. Morphological development of small intestine segments
(Avenue Media, 2014)The study aimed to investigate the effects of dietary supplementation of oregano essential oil (OEO) on the morphological development of small intestine of broilers with different feeding times (immediate, 24, 48 or 72 h ... -
Crystal structure of rac-3-hydroxy-2-(p-tolyl)-2,3,3a,4,7,7a-hexahydro-1H-4,7-methanoisoindol-1-one
(International Union of Crystallography, 2015)In the title compound, C16H17NO2, the cyclohexene ring adopts a boat conformation, and the five-membered rings have envelope conformations with the bridging atom as the flap. Their mean planes are oriented at a dihedral ... -
Investigation of magnetic properties of phase transformations in Copper-based alloys
(Springer New York LLC, 2017)In this study, the magnetic properties of both Cu85.41Al9.97Mn4.62 and Cu82.41Mn13.81Al3.78 (wt%) shape memory alloys were studied. The analysis of the magnetization as a function of applied field and temperature was ... -
Phase transition and elasticity of gallium arsenide under pressure
(Universidade Federal de Sao Carlos, 2014)Geometry optimization calculations were performed for some structural, elastic and mechanical properties of gallium arsenide (GaAs) under pressures up to 25 GPa. In contrast to previous works, a recent Stillinger-Weber ... -
Deformation induced martensite characterization in FE-30%NI-5%CU alloy
(2012)Deformation induced martensite properties were examined according to existing martensite morphology, crystallography and formation temperatures for different prior austenite homogenization conditions in Fe-30%Ni-5%Cu alloy. ... -
Important biomarkers that play a role in the chronic obstructive pulmonary disease process
(Society of Medical Biochemists of Serbia and Montenegro, 2018)Background: Chronic obstructive pulmonary disease (COPD) that includes multiple mechanisms such as inflammation, infection, smoking, hypoxia, and lack of antioxidant response can cause oxidative stress. In our study, we ... -
Synthesis, structural characterization and biological activity of novel cyclohexane-1,3-dione ligands and their metal complexes
(MDPI AG, 2015)Some new Zn(II) and Cu(II) complexes [Cu(L1)(OAc)2]·H2O, [Cu(L1)(NO3)H2O]·NO3·3.5H2O, [Zn(L1)(NO3)2]·4.5H2O, [Zn(L1)(OAc)2(H2O)2]·3H2O, [Cu2(L2)(OAc)4]·2H2O·2DMF, [Cu(L2)2]·2NO3·1.5DMF·H2O, [Zn(L2)2(NO3)2]·DMF and ... -
Fast method for synthesis of alkyl and aryl-N-methylnitrones
(MDPI AG, 2011)A simple, fast, efficient and eco-friendly procedure was developed for the synthesis of alkyl and aryl-N-methylnitrones. The corresponding nitrones of aromatic aldehydes, aliphatic aldehydes and alicyclic carbonyl compounds ... -
Synthesis, structural characterization and biological activities of metal(II) complexes with Schiff bases derived from 5-bromosalicylaldehyde: Ru(II) complexes transfer hydrogenation
(Elsevier B.V., 2019)In this study, two novel Schiff base ligands (L1 and L2) derived from condensation of methyl 2-amino-6-methyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate and methyl 2-amino-6-phenyl-4,5,6,7-tetrahydrobenzo[b]th ...
