Browsing Makale Koleksiyonu by Title
Now showing items 3023-3042 of 5200
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Life satisfaction level of elderly people: a field study in Sivas, Turkey
(PAKISTAN MEDICAL ASSOC, 2012)Objective: To determine the life satisfaction levels among elderly individuals - age 65 or over - who live with their families and those who dwell in rest house. Methods: The field-based descriptive study was conducted in ... -
Light-scattering determination of visco-elastic and electro-optic parameters of azo and anthraquinone dye-doped liquid crystal molecules and consistent neural network empirical physical formula construction for scattering intensities
(ELSEVIER SCIENCE BV, 2011)In this paper, we achieved two aims. Firstly, laser light-scattering intensities in methyl red (MR) azo and disperse red (DR) anthraquinone dye-doped nematic liquid crystal (NLC) molecules were measured versus scattering ... -
Light-scattering experiments in dye-doped liquid crystals both to determine crystal parameters and to construct consistent neural network empirical physical formulas for scattering amplitudes
(ELSEVIER SCIENCE BV, 2011)The aim of this paper is two-fold. Firstly, static laser light-scattering amplitude measurements in azo-dye doped nematic liquid crystals (NLCs) were made versus scattering angle, temperature and applied bias voltage. Three ... -
Lightning-related Death
(GALENOS YAYINCILIK, 2012)Lightning is one of the reasons for death due to environmental disasters. Lightning-related deaths occur rarely in Sivas. This study aims to make the medico-legal evaluation of rare specific findings can be observed on ... -
Lightweight Geopolymer Made of Pumice with Various Aluminum Powder Ratios
(POLISH ACAD SCIENCES INST PHYSICS, 2017)In this work, a lightweight geopolymer was prepared using various mass proportions of extra fine aluminum powder and pumice stone that is durable to heat and sound-proof. The effect of NaOH concentration, aluminum mass ... -
A ligneous periodontitis and conjunctival lesions in a patient with plasminogen deficiency
(MOSBY-ELSEVIER, 2007)Destructive membranous periodontal disease is a rare and poorly defined entity that is a part of a systemic disease due to accumulation of fibrin material. The disease is characterized by gingival enlargement and periodontal ... -
A Limited and Useful Approach to Determine Proximal Periodontal Health
(UNIV WEST INDIES FACULTY MEDICAL SCIENCES, 2010)Previous researchers have shown that there exists an interaction between gingival blood flow and gingival health. The purpose of this study was to compare the papillary blood flow at sites treated by a bridge with the blood ... -
The limits of the family Evaniidae (Insects : Hymenoptera) and a new genus from Lebanese Amber
(BRILL ACADEMIC PUBLISHERS, 2002)The definition of the family Evaniidae is revised and Cretevaniidae are synonymised with Evaniidae based on evidence derived from recently described Mesozoic taxa and a new genus and species, Lebanevania azari, described ... -
Limnological Assesment on the Brakish Shallow Liman Lake from Kizilirmak Delta (Turkey)
(MEDWELL ONLINE, 2010)Liman lake is a part of the Kiziirmkak Delta which is one of the most valuable wetland systems in Northern Turkey as a Ramsar site. Liman Lake is a typical brackish lagoon lakewhich is separated from the Black Sea by a ... -
Limnological studies on the transboundary Turkish soda lake: Lake Aktas
(PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2008)Lake Aktas is a small, shallow, and turbid soda lake located between Turkey and Georgia. During the survey, conductivity, pH, dissolved oxygen, turbidity, NO(3)-N, NH(4)-N, TP, SRP, silicate, major anions (Cl(-), SO(4), ... -
Linear and nonlinear intersubband optical absorption coefficient and refractive index change in n-type delta-doped GaAs structure
(ELSEVIER SCIENCE BV, 2013)In the effective mass approximation, we have theoretically investigated the subband structure of single Si delta-doped GaAs by solving the Schrodinger and Poisson equations self-consistently. Both the linear and nonlinear ... -
The linear and nonlinear intersubband optical absorption coefficients and refractive index changes in a V-shaped quantum well under the applied electric and magnetic fields
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2011)In this study, the changes in the optical absorption coefficients and the refractive index in a V-shaped quantum well have investigated theoretically. Within the effective mass approximation, the electronic structure of ... -
Linear and nonlinear intersubband optical absorption coefficients and refractive index changes in symmetric double semi-V-shaped quantum wells
(ELSEVIER SCIENCE BV, 2012)In this study, the changes in the refractive index and intersubband optical absorption coefficients in symmetric double semi-V-shaped quantum wells are investigated theoretically. The energy levels and the envelope wave ... -
Linear and nonlinear optical absorption coefficient and electronic features of triple GaAlAs/GaAs and GaInAs/GaAs quantum wells depending on barrier widths
(ELSEVIER GMBH, 2019)In the present work, the effect of the barrier widths (BWs) on the linear and nonlinear optical absorption coefficient (OAC) and the electronic features of asymmetric triple Ga1-xAlxAs/GaAs (A structure) and Ga1-xInxAs/GaAs ... -
Linear and nonlinear optical absorption coefficients and refractive index changes in double parabolic-square quantum well as dependent on intense laser field
(SPRINGER HEIDELBERG, 2015)In this study, for double parabolic-square quantum well (DPSQW) the linear and nonlinear intersubband optical absorption coefficients and the refractive index changes are calculated as dependent on the intense laser field ... -
Linear and nonlinear optical absorption in different graded quantum wells modulated by intense laser field
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2012)The laser field dependence of the linear and nonlinear intersubband optical absorption in different graded quantum wells (GQWs) is investigated in the effective mass approximation. Results obtained show that the position ... -
Linear and nonlinear optical properties in a double inverse parabolic quantum well under applied electric and magnetic fields
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2014)In the present work, the effects of electric and magnetic fields on the optical absorption coefficient and refractive index changes associated with intersubband transitions in a GaAs/AlxGa1-xAs double inverse parabolic ... -
Linear and nonlinear optical properties in a semiconductor quantum well under intense laser radiation: Effects of applied electromagnetic fields
(ELSEVIER SCIENCE BV, 2012)In this work we are studying the intense laser effects on the electron-related linear and nonlinear optical properties in GaAs-Ga1-xAlxAs quantum wells under applied electric and magnetic fields. The calculated quantities ... -
Linear and nonlinear optical properties in an asymmetric double quantum well under intense laser field: Effects of applied electric and magnetic fields
(ELSEVIER SCIENCE BV, 2016)In the present study, the effects of electric and magnetic fields on the linear and third-order nonlinear optical absorption coefficients and relative change of the refractive index in asymmetric GaAs/GaAlAs double quantum ...