Başlık için listeleme
Toplam kayıt 1109, listelenen: 397-416
-
Examining social and sociomathematical norms in different classroom microcultures: Mathematics teacher education perspective
(Edam, 2017)Each classroom has its own microculture with its own norms that belong to this microculture. It is these norms that characterize every kind of activity and discussion in the classroom. What makes a mathematics classroom ... -
An Example for The Effect of 5E Model on the Academic Achievement of Students: In The Unit of "Force and Motion"
(2013)The aim of this study is to compare the effectiveness of 5E model and teaching method and models suggested by course books developed based on Science and Technology teaching program and approved by Ministry of Education ... -
Exergetic interrelation between an heat pump and components
(Elsevier Ltd, 2016)In this study, the relation between the exergetic performance of the heat pump and its components are investigated experimentally by using an air to water heat pump. Moreover, the effects of the working conditions of the ... -
Exergy analysis of a combined power and cooling cycle
(Polish Academy of Sciences, 2016)Ammonia-water power cycles are important for efficient utilization of low temperature heat sources such as geothermal, solar, waste heat sources, etc. For some special conditions ammonia-water power cycle is an important ... -
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 ... -
Existence of one weak solution for p(X)-biharmonic equations involving a concave-convex nonlinearity
(Drustvo Matematicara Srbije, 2017)In the present paper, using variational approach and the theory of the variable exponent Lebesgue spaces, the existence of nontrivial weak solutions to a fourth order elliptic equation involving a p(x)-biharmonic operator ... -
Existence of solutions for an elliptic equation with nonstandard growth
(2013)This paper deals with the existence of solutions for some elliptic equations with nonstandard growth under zero Dirichlet boundary condition. Using a direct variational method and the theory of the variable exponent Sobolev ... -
An experimental and density functional study on conformational and spectroscopic analysis of 5-methoxyindole-2-carboxylic acid
(Elsevier, 2015)In this article, a brief conformational and spectroscopic characterization of 5-methoxyindole-2-carboxylic acid (5-MeOICA) via experimental techniques and applications of quantum chemical methods is presented. The ... -
Experimental and numerical investigation of a novel energy-efficient vacuum glazing technology for low-carbon buildings
(SAGE Publications Ltd, 2015)In this study, a recently developed innovative window technology called vacuum tube window is introduced, and its performance assessment is presented through an experimental and numerical research. The novel design of ... -
Experimental and theoretical FTiR and FT-Raman spectroscopic analysis of 1-pyrenecarboxylic acid
(Elsevier B.V., 2013)The title molecule 1-pyrenecarboxylic acid (1PCA) has been characterized by FTiR, FT-Raman, NMR and UV-Vis spectral analyses. The molecular geometry, harmonic vibrational modes, the corresponding wavenumbers and iR intensities ... -
An experimental and theoretical investigation of Acenaphthene-5-boronic acid: Conformational study, NBO and NLO analysis, molecular structure and FT-IR, FT-Raman, NMR and UV spectra
(Elsevier B.V., 2013)The solid state Fourier transform infrared (FT-IR) and FT-Raman spectra of Acenaphthene-5-boronic acid (AN-5-BA), have been recorded in the range 4000-400 cm1 and 4000-10 cm 1, respectively. Density functional theory (DFT), ... -
Experimental and Theoretical Investigation of Short- and Long-Heel Cases of Cantilever Retaining Walls in Active State
(American Society of Civil Engineers (ASCE), 2019)Failure surfaces are very effective in active lateral earth thrusts acting on cantilever retaining walls. The intersection of failure surface and cantilever retaining wall should be taken into account for determination of ... -
Experimental determination of cohesion & internal friction angle on conventional concretes
(American Concrete Institute, 2017)Various failure criterions have been used for the nonlinear analysis of concrete and reinforced concrete structures. To get more accurate results from the analyses, the selected failure criterion must be appropriate with ... -
Experimental determination of Drucker-Prager yield criterion parameters for normal and high strength concretes under triaxial compression
(Elsevier Ltd, 2016)In this study, parameters which define Drucker-Prager yield criterion were investigated experimentally for both normal strength concrete (NSC) and high strength concrete (HSC) by triaxial compression tests. Total 16 concrete ... -
An experimental exergetic comparison of four different heat pump systems working at same conditions: As air to air, air to water, water to water and water to air
(Elsevier Ltd, 2013)In this study, we designed a multifunctional heat pump system using just one scroll compressor and which can be run in four different modes, namely air to air, air to water, water to water and water to air, in order to ... -
Experimental research of dynamic instabilities in the presence of coiled wire inserts on two-phase flow
(2013)The aim of this study is to experimentally investigate the effect of the coiled wire insertions on dynamic instabilities and to compare the results with the smooth tube for forced convection boiling. The experiments were ... -
An experimental study on the ultra-fine grinding of gypsum ore in a dry ball mill
(Elsevier B.V., 2016)Gypsum is a crystalline form of hydrated calcium sulfate (CaSO4·2H20) generally used in cements and plasters in the construction industry, though also in paints, fertilizers, medicines, papers, and textiles. For use in ... -
Experimental study to remediate acid fuchsin dye using laccase-modified zeolite from aqueous solutions
(HARD Publishing Company, 2015)This paper studies, the removal of acid fuchsin dye from aqueous solutions using zeolite natural material after its modification with laccase from Russulaceae (Lactarius volemus). Batch adsorption experiments were performed ... -
Expert system application for prioritizing preventive actions for shift work: shift expert
(Taylor and Francis Ltd., 2019)Introduction. Shift patterns, work hours, work arrangements and worker motivations have increasingly become key factors for job performance. The main objective of this article is to design an expert system that identifies ... -
Expression of cytosolic and noncytosolic carbonic anhydrase enzymes from bovine brain membrane
(2012)Carbonic anhydrase is an enzyme that takes responsibility in inhalation function but, until today, carbonic anhydrase is not examined if it is present in the bovine brain membrane or not. The enzyme carbonic anhydrase was ...
