Browsing Araştırma Çıktıları by Title
Now showing items 6407-6426 of 9557
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Opiyat bağımlılarında diğer maddelerin kullanımı ve sosyodemografik özellikler ile ilişkisi
(2013)AMAÇ: Bu çalışmada opiyat bağımlılığı tanısı almış hastalarda; diğer maddelerin kullanımı, yaş, cinsiyet, eğitim seviyesi, okul terki ve ilk başlama yaşı, madde kullanım süresi ve sıklığı gibi bağımlılık için risk faktörü ... -
Optical Absorption and Electroabsorption Related to Electronic and Single Dopant Transitions in Holey Elliptical GaAs Quantum Dots
(WILEY-V C H VERLAG GMBH, 2018)The electron states in a holey elliptically shaped GaAs quantum dot are investigated within the effective mass scheme with the use of the adiabatic approximation and the finite element method. The effects of a donor impurity ... -
Optical and Structural Properties of MOCVD Grown InxGa1-xAs
(2017)InxGa1-xAs tabakaları katkısız InP (100) alttaş üzerine Aixtron 200-4 RF/S yatay Metal Organik Kimyasal Buhar Depolama (MOCVD) sistemi ile büyütülmüştür. Bütün epikatmanlar farklı indiyum konsantrasyonlarında büyütülmüştür. ... -
Optical coefficients in a semiconductor quantum ring: Electric field and donor impurity effects
(ELSEVIER SCIENCE BV, 2016)The electron states in a two-dimensional quantum dot ring are calculated in the presence of a donor impurity atom under the effective mass and parabolic band approximations. The effect of an externally applied electric ... -
OPTICAL INTERSUBBAND TRANSITIONS AND BINDING ENERGIES OF DONOR IMPURITIES IN Ga1-xInxNyAs1-y/GaAs/Al-0.3 Ga0.7As QUANTUM WELL UNDER THE ELECTRIC FIELD
(WORLD SCIENTIFIC PUBL CO PTE LTD, 2012)The effects of nitrogen and indium mole concentration on the intersubband optical absorption for (1-2) transition and the binding energy of the shallow-donor impurities in a Ga1-xInxNyAs1-y/GaAs/Al0.3Ga0.7As quantum well ... -
Optical intersubband transitions in double Si delta-doped GaAs under an applied magnetic field
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2009)For different applied magnetic fields, the intersubband transitions of double Si delta-doped GaAs structures is theoretically investigated for a uniform donor distribution. The electronic structure has been calculated by ... -
Optical intersubband transitions in double Si delta-doped GaAs under applied magnetic field (vol 46, pg 752, 2009)
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2010)… -
Optical properties of a single quantum well under electric and tilted magnetic fields
(CANADIAN SCIENCE PUBLISHING, NRC RESEARCH PRESS, 2018)In this study, the effects of electric and tilted magnetic fields on changes in the total absorption coefficient and the refractive index, including the linear and third-order nonlinear terms for transition between the ... -
Optical properties of double quantum wires under the combined effect of spin-orbit interaction and in-plane magnetic field
(ELSEVIER SCIENCE BV, 2016)In this work, we investigate the intersubband optical absorption coefficients and refractive index changes for transitions between the lower-lying electronic levels of double quantum wires formed by a symmetric, double ... -
Optical properties of excitons in quantum well wires under the magnetic field
(WORLD SCIENTIFIC PUBL CO PTE LTD, 2003)The binding energy of excitons in quantum well wires of GaAs surrounded by Ga1-xAlxAs was calculated in an effective mass approximation with the use of the variational approach. Results obtained show that the exciton binding ... -
Optical properties of the Tietz-Hua quantum well under the applied external fields
(ELSEVIER SCIENCE BV, 2017)In this study, the effects of the electric and magnetic fields as well as structure parameter-gamma on the total absorption coefficient, including linear and third order nonlinear absorption coefficients for the optical ... -
Optical response in a laser-driven quantum pseudodot system
(ELSEVIER SCIENCE BV, 2017)We investigate theoretically the intense laser-induced optical absorption coefficients and refractive index changes in a two-dimensional quantum pseudodot system under an uniform magnetic field. The effects of non-resonant, ... -
Optical specifications of laser-induced Rosen-Morse quantum well
(ELSEVIER SCIENCE BV, 2019)In this study, for the first time, the influences of a monochromatic linearly polarized laser field on the total refractive index changes (TRICs) and the total absorption coefficients (TACs) of quantum well (QW) with the ... -
Optical transitions in quantum well wires under intense laser radiation
(ELSEVIER SCIENCE BV, 2003)The influence of a laser-field on the exciton binding energy and interband optical transitions in quantum-well wires is calculated by using a variational method and in the effective mass approximation. We conclude that in ... -
Optimal temperature control in a batch polymerization reactor using fuzzy-relational models-dynamics matrix control
(PERGAMON-ELSEVIER SCIENCE LTD, 2006)In this work, fuzzy-relational models-dynamics matrix control (Fuzzy-DMC) was applied to the free radical solution polymerization of styrene in a jacketted batch reactor and its performance was examined to reach the required ... -
The optimization of a projectile from a three-coil reluctance launcher
(2016)This paper presents the design of a 3-coil reluctance launcher system and realization of an experimental prototype. A Maxwell model of the system was constructed and finite elements analysis (FEA) was applied before building ... -
The optimization of a projectile from a three-coil reluctance launcher
(TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2016)This paper presents the design of a 3-coil reluctance launcher system and realization of an experimental prototype. A Maxwell model of the system was constructed and finite elements analysis (FEA) was applied before building ... -
OPTIMIZATION OF ACID PHOSPHATASE PRODUCTION AND ZN(II) BIOACCUMULATION by R. delemar USING RESPONSE SURFACE METHOD
(GAZI UNIV, FAC ENGINEERING ARCHITECTURE, 2014)Acid phosphatase activity, Zn (II) bioaccumulation and growth of R. delemar were investigated as a function of pH, temperature and initial Zn(II) ion concentration. Experimental design was performed by response surface ... -
The optimization of aDNA extraction protocol and sex determination of Bronze Age individuals from Oylum Hoyuk (Kilis, Turkey)
(TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2011)Oylum Hoyuk falls within the borders of the province of Kills, located in the southern part of Turkey. It is an important Bronze Age settlement dating back to 5500 BC. In this study, the sex of 36 individuals found in Oylum ... -
The optimization of aDNA extraction protocol and sex determination of Bronze Age individuals from Oylum Höyük (Kilis, Turkey)
(2011)Oylum Höyük Türkiye’nin güneydoğu bölgesinde Kilis ili sınırları içinde bulunur. Oylum Höyük MÖ 5500 tarihli önemli bir Bronz çağı yerleşim yeridir. Bu çalışmada Oylum Höyük’te 36 bireyin cinsiyeti morfolojik ve genetik ...