Browsing Makale Koleksiyonu by Title
Now showing items 3030-3049 of 5200
-
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 ... -
Linear and nonlinear optical properties in asymmetric double semi-V-shaped quantum well
(ELSEVIER SCIENCE BV, 2015)In this present work, the effects of the structure parameters such as the right-well width and the rightbarrier height on the linear, third-order nonlinear and total absorption and refractive index changes of asymmetric ... -
Linear and nonlinear optical properties in the terahertz regime for multiple-step quantum wells under intense laser field: Electric and magnetic field effects
(ELSEVIER SCIENCE BV, 2018)We present a theoretical study on the linear and nonlinear optical properties in AlrGa1-rAs/GaAs asymmetric multiple step quantum wells (AMSQW) under the effects of a non-resonant intense laser field (ILF), electric, and ... -
Linear and nonlinear optical properties of asymmetric triple quantum wells under intense laser field
(IOP PUBLISHING LTD, 2019)For asymmetric triple quantum wells (ATQW) the linear and nonlinear optical absorption coefficient (OAC) and the optical refractive index change (ORIC) are analyzed according to the intense laser field (ILF). The obtained ... -
Linear and total intersubband transitions in the step-like GaAs/GaAlAs asymmetric quantum well as dependent on intense laser field
(SPRINGER HEIDELBERG, 2015)In this study, for a step-like GaAs-Ga1-xAlxAs asymmetric quantum well (AQW) the linear and total intersubband optical absorption coefficients and the refractive index changes are calculated as dependent on the intense ... -
A Linguistic Examination of Kitab al-Idrak li-lisan al-Atrak of Abu.ayyan al-Andalusi
(CUMHURIYET UNIV, FAC THEOLOGY, 2016)Mamluks reigned in Egypt a long time is an era of Kipchak Turks that have influence management, and Kipchak Turks has been influential in a period in the administration there. During this period, that Turkish rulers do not ... -
Lipid and lipoprotein patterns in type 2 non-obese diabetic patients. Do Lp(a) levels decrease with improved glycemic control in these patients?
(MEDIKAL PRESS S R L, 2000)Background and Aim: In this study, we investigated that levels of apolipopotein-AI (apo-AI), apolipoprotein (apo-B), triglyceride (TG), high-density-lipoprotein-cholesterol (HDL-C), low-density-lipoprotein-cholesterol ... -
Lipid peroxidation level and antioxidant enzyme activities in septicemic calves
(ANKARA UNIV PRESS, 2017)In recent years, studies showed that there is a close relationship between oxidative stress and pathogenesis of the disease. The aim of the study is to determine the serum malondialdehyde (MDA) levels for lipid peroxidation ...