Güncel Gönderiler: DSpac@Bayburt: Bayburt University Institutional Repository
Toplam kayıt 1109, listelenen: 941-960
-
Monitoring macro voids in mortars by computerized tomography method
(Elsevier B.V., 2015)This study aims to investigate the use of ground pumice powder (PP) in cement production and to monitor void developments in mortars by X-ray Computerized Tomography (CT) which is a nondestructive test method. PP-blended ... -
Improvement of high strain rate and room temperature superplasticity in Zn-22Al alloy by two-step equal-channel angular pressing
(Elsevier Ltd, 2014)The Zn-22Al alloy was subjected to equal-channel angular pressing (ECAP) to improve its high strain rate (HSR) superplasticity at room temperature (RT). A well-designed two-step ECAP process formed an ultrafine-grained ... -
Antioxidant enzyme inhibitor role of phosphine metal complexes in lung and leukemia cell lines
(Hindawi Publishing Corporation, 2014)Phosphine metal complexes have been recently evaluated in the field of cancer therapy. In this research, the cytotoxic effects of some metal phosphines { [PdCl2((CH2OH)CH2)CH3] (C1), [RuCl2(((CH2OH)CH2)CH3) (C2), ... -
FT-IR, FT-Raman, NMR, UV and quantum chemical studies on monomeric and dimeric conformations of 3,5-dimethyl-4-methoxybenzoic acid
(2014)Extensive spectroscopic investigations along with theoretical quantum chemical studies on 3,5-dimethyl-4-methoxybenzoic acid (DMMBA) have been consummated. The fundamental vibrational transitions were addressed by experimental ... -
Effect of calcium channel blockers on paraoxonase-1 (PON1) activity and oxidative stress
(Elsevier B.V., 2014)Background: In this study, we investigated the in vitro effects of calcium channel blockers (nifedipine, nitrendipine, isradipine, and amlodipine besylate) on the activity of paraoxonase-1 (PON1). Methods: PON1 was purified ... -
Assessment of kinetics, thermodynamics, and equilibrium parameters of Cu(II) adsorption onto Rosa canina seeds
(Taylor and Francis Inc., 2014)Rosa canina seeds (RCS) is considered as a low-cost and promising adsorbent in removal of metal ions; hence, in the present study, we aimed to test the adsorptive removal of Cu(II) ions from aqueous solutions by utilizing ... -
Comparison between analytical and ANSYS calculations for a receding contact Problem
(American Society of Civil Engineers (ASCE), 2014)This paper considers a receding contact problem for two elastic layers (with different elastic constants and heights) supported by two elastic quarter planes. The lower layer is supported by two elastic quarter planes, and ... -
Comparison of the dynamic responses of gülburnu highway bridge using single and triple concave friction pendulums
(Techno Press, 2014)The main object of this study is to determine and compare the structural behavior of base isolated long span highway bridge, Gülburnu Highway Bridge, using single concave friction pendulum (SCFP) and triple concave friction ... -
Continuous contact problem for two elastic layers resting on an elastic half-infinite plane
(Mathematical Sciences Publishers, 2014)The continuous contact problem for two elastic layers resting on an elastic half-infinite plane and loaded by means of a rigid stamp is presented. The elastic layers have different heights and elastic constants. An external ... -
Free vibration analysis of a laminated composite beam with various boundary conditions
(Universiti Malaysia Pahang, 2014)This study presents a free vibration analysis of a laminated composite beam, based on the Euler-Bernoulli beam theory. A numerical model of the laminated composite beam was obtained for various boundary conditions based ... -
Solution of a receding contact problem using an analytical method and a finite element method
(Mathematical Sciences Publishers, 2014)In this study, a receding contact problem for two elastic layers supported by a Winkler foundation is handled using two different methods such as an analytical method and a finite element method. Firstly, the problem is ... -
Developing an Active Citizenship Scale for the Fourth Grade Primary School Students
(Kamla-Raj Enterprises, 2014)The purpose of the present paper is to develop a scale for assessing behaviours towards active citizenship for 4th grade primary school students. The proposal scale, composed of 42 items, was applied to 544 students who ... -
Existence and uniqueness of solutions of a nonlocal problem involving the p(x)-Laplacian
(University of Craiova, 2014)The object of this paper is to study a nonlocal problem involving the p(x)-Laplacian where nonlinearities f do not necessarily satisfy the classical conditions, such as Ambrosetti-Rabinowitz condition, but are limited by ... -
A comparative study of selected disperse azo dye derivatives based on spectroscopic (FT-IR, NMR and UV-Vis) and nonlinear optical behaviors
(2014)In the present work, a combined experimental and quantum chemical study on ground state equilibrium structure, spectroscopic and nonlinear optical properties of selected disperse azo dye molecules are reported. The vibrational ... -
Purification and characterization of an alkaline pectin lyase produced by a newly isolated brevibacillus borstelensis (p35) and its applications in fruit juice and oil extraction
(Springer Verlag, 2014)An alkaline pectin lyase (Pnl) (EC 4.2.2.10) secreted by Brevibacillus borstelensis P35 (genBank number: FJ417406) was purifed using ammonium sulfate fractionation, anion exchange chromatography on DEaE-cellulose and gel ... -
Synthesis and electrochemistry of metallophthalocyanines bearing {4-[(2E)-3-(3,4,5-trimethoxyphenyl)prop-2-enoyl]phenoxy} groups
(2014)In this study, metallophthalocyanines 4, 5, 6 was carried out by the cyclotetramerization of 4-{3-[(2E)-3-(3,4,5-trimethoxyphenyl)prop-2-enoyl] phenoxy}phthalonitrile 3. The synthesis of metallo derivatives [Zn(II), Co(II), ... -
Power analysis of multilayer structures composed of conventional materials and bi-anisotropic metamaterial slabs
(Optical Society of America, 2014)In this paper, we analyze wave propagation properties (transmitted, reflected, and absorbed powers) of composite multilayer structures consisting of bi-anisotropic metamaterial (MM) slabs and conventional isotropic materials. ... -
Attractive method for thickness-independent permittivity measurements of solid dielectric materials
(2014)We propose a non-resonant-type method for reference-plane invariant and thickness-independent permittivity measurement of solid dielectric materials when there is no information from permittivity. To achieve this, we derive ... -
A causal and effect model for knowledge flow analysis among firms
(Computers and Industrial Engineering, 2014)Examination of the relations among firms with respect to knowledge flows is essential for sustainable development and creative economy in global competition as well as for governments, investors and decision makers. Knowing ... -
A solar energy calculation study for the buildings in bayburt in order to get optimum benefit from the sun directly
(Springer International Publishing, 2014)This study is a research made on evaluating solar energy utilization rates of the buildings and residences which are under the climatic and meteorological conditions of Bayburt. In the scope of this study, with the aim of ...
