Başlık için WoS İndeksli Yayınlar Koleksiyonu listeleme

Reference-Plane-Invariant Effective Thickness and Electromagnetic Property Determination of Isotropic Metamaterials Involving Boundary Effects

Hasar U.C.; Barroso J.J.; Buldu G.; Bute M.; Kaya Y.; Karacali T.; Ertugrul M. (Institute of Electrical and Electronics Engineers Inc., 2015)

It is well recognized that near-field effects become dominant when the metamaterial (MM) is in resonance. In addition, any inaccurate information of the location of reference planes, and the effective length can seriously ...

Reflection and refraction of a harmonic SH wave at the interface of two dissimilar media with microheterogeneity

Altan B.S. (2012)

Reflection and refraction of harmonic SH-waves from the interface of two dissimilar media with microheterogeneity is studied. The effect of the microheterogeneity on the overall behavior of the media is taken into account ...

The relation of collector and storage tank size in solar heating systems

Çomakli K.; Çakir U.; Kaya M.; Bakirci K. (2012)

The most popular method to benefit from the solar energy is to use solar water heating systems since it is one of the cheapest way to benefit from the solar energy. The investment cost of a solar water heating system is ...

The role of cobalt doping on the optical and structural properties of Mn 3 O 4 nanostructured thin films obtained by SILAR technique

Özkan, Bayram; İgman E.; Guney H.; Simsek O. (Academic Press, 2019)

Cobalt doped manganese oxide thin films (Mn 3 O 4 :Co) were successfully deposited on soda lime glass substrates using SILAR technique. Mn 3 O 4 :Co thin films were characterized using XRD, SEM, Uv–VIS and Raman spectroscopy. ...

The role of cogeneration systems in sustainability of energy

Çakir U.; Çomakli K.; Yüksel F. (2012)

Cogeneration system (CHP) is one of the ways to save the energy and use the energy efficiently. When compared to separate fossil-fired generation of heat and electricity, CHP may result in a consistent energy conservation ...

Searching cursive handwriting process as a part of skills and sights: Example of the first grade teachers [Itişik eğik yazı yazma süreçlerinin beceri ve görüşler bağlamında incelenmesi: Birinci sınıf öğretmenleri örneği]

Sarikaya İ.; Yilar Ö. (Hacettepe University, 2017)

The aim of this study is to analyze the processes of cursive handwriting of the teachers who perform the cursive handwriting teaching activity and their views about this process by the scope of the special content knowledge. ...

Selective separation, preconcentration and determination of Pd(II) ions in environmental samples by coprecipitation with a 1,2,4-triazole derivative

Ozdes D.; Duran C.; Serencam H.; Sahin D.; Gundogdu A.; Soylak M. (Chemical Society of Ethiopia, 2015)

A simple, sensitive, facile and low cost methodology, combined with flame atomic absorption spectrometry (FAAS), was employed to evaluate the selective separation and preconcentration of Pd(II) ions in environmental samples ...

Self-Calibrating Noniterative Complex Permittivity Extraction of Thin Dielectric Samples

Hasar U.C.; Kaya Y. (Institute of Electrical and Electronics Engineers Inc., 2018)

A microwave method relying on uncalibrated scattering (S-) parameters is proposed to measure the complex permittivity (?r) of thin dielectric samples. It has the following two main advantages. First, it takes into account ...

Separation and pre-concentration of palladium(II) from environmental and industrial samples by formation of a derivative of 1,2,4-triazole complex on Amberlite XAD-2010 resin

Serencam H.; Bulut V.N.; Tufekci M.; Gundogdu A.; Duran C.; Hamza S.; Soylak M. (2013)

A simple separation/pre-concentration method was developed for extraction of Pd(II) in various environmental samples, based on its adsorption of 4-phenyl-5-{[(4-phenyl-5-pyridin-4-yl-4H-1,2,4-triazole-3-yl)thio]methyl}-4 ...

A signal timing assignment proposal for urban multi lane signalised roundabouts

Murat Y.S.; Cakici Z.; Tian Z. (Union of Croatian Civil Engineers and Technicians, 2019)

The relationship between the left-turning traffic volume and the storage area at signalised roundabouts is investigated, and a calculation procedure for signal timing is proposed in this paper. The parameters associated ...

Simple procedure for robust and accurate complex permittivity measurements of low-loss materials over a broad frequency band

Hasar U.C.; Barroso J.J.; Kaya Y.; Bute M.; Ertugrul M. (VSP BV, 2014)

In this research paper, we propose a simple procedure for accurate, stable and broadband measurements of complex permittivity of low-loss dielectric samples with considerable lengths. We identify and demonstrate by numerical ...

Simple time-saving method for iron determination based on fluorescence quenching of an azaflavanon-3-ol compound

Başo?lu A.; Tosun G.; Ocak M.; Alp H.; Yayli N.; Ocak U. (American Chemical Society, 2015)

A simple and time-saving spectrofluorometric method developed using an azaflavanon-3-ol compound was used for the determination of iron in various food samples. Nitric acid and hydrogen peroxide were used for digestion of ...

Simultaneous separation and preconcentration of Cd(II), Co(II), and Ni(II) ions in environmental samples by carrier element-free coprecipitation method prior to their flame atomic absorption spectrometric determination

Duran C.; Ozdes D.; Akcay H.T.; Serencam H.; Tufekci M. (Taylor and Francis Inc., 2015)

ABSTRACT: In the present study, Cd(II), Co(II), and Ni(II) ions were separated and preconcentrated via carrier element-free coprecipitation (CEFC) method by using an organic coprecipitating agent, 1,2-bis-(2-tosyl ethoxy) ...

Simultaneous separation and preconcentration of Ni(II) and Cu(II) ions by coprecipitation without any carrier element in some food and water samples

Duran C.; Tumay S.O.; Ozdes D.; Serencam H.; Bektas H. (Blackwell Publishing Ltd, 2014)

A simple and highly sensitive separation and preconcentration procedure, which has minimal impact on the environment, has been developed. The procedure is based on the carrier element-free coprecipitation of Ni(II) and ...