Browsing Öksüz Yayınlar Koleksiyonu - WoS by Title
Now showing items 552-571 of 6162
-
Binding energies of excitons in symmetric and asymmetric quantum wells in a magnetic field
(ACADEMIC PRESS LTD, 1998)The binding energy of the exciton in the symmetric and asymmetric GaAs/Ga1-xAlxAs quantum wells is calculated with the use of a variational approach. Results have been obtained as a function of the potential symmetry, and ... -
Binding energies of shallow donor impurities in different shaped quantum wells under an applied electric field
(ELSEVIER SCIENCE BV, 2003)We present a variational method to compute the binding energies for a hydrogenic impurity located at the center of the finite parabolic (PQW), V-shaped (VQW or full graded well) and square (SQW) GaAs-Ga1-xAlxAs quantum ... -
Binding energy and optical absorption of donor impurity states in "12-6" tuned GaAs/GaAlAs double quantum well under the external fields
(ELSEVIER SCIENCE BV, 2019)We have investigated the binding energies of the s-symmetric ground and first excited shallow donor impurity states and the total 1s -> 2s absorption coefficient, including the first and third order corrections, in "12-6" ... -
Binding energy of donor impurities in double inverse parabolic quantum well under electric field
(ELSEVIER SCIENCE BV, 2009)In this study, effects of the electric field applied along the growth direction on the binding energy of donor impurities in double inverse parabolic quantum well (DIPQW) with different well and barrier widths, as well as ... -
Binding energy of donor impurity states and optical absorption in the Tietz-Hua quantum well under an applied electric field
(ELSEVIER SCIENCE BV, 2018)For a quantum well which has the Tietz-Hua potential, the ground and some excited donor impurity binding energies and the total absorption coefficients, including linear and third order nonlinear terms for the transitions ... -
Binding energy of excitons in symmetric and asymmetric coupled double quantum wells in a uniform magnetic field
(IOP PUBLISHING LTD, 2000)The binding energy of excitons in symmetric and asymmetric coupled double GaAs/Ga1-xAlxAs quantum wells is calculated by using a variational approach. The results have been obtained in the presence of a uniform magnetic ... -
Binding energy of hydrogenic impurities in a quantum well under the tilted magnetic field
(PERGAMON-ELSEVIER SCIENCE LTD, 2003)This paper treats theoretically the angle dependence of the ground state binding energy of a shallow donor impurity in semiconductor quantum-well systems on the tilted magnetic field. By making an appropriate coordinate ... -
Binding energy of impurity states in an inverse parabolic quantum well under magnetic field
(ELSEVIER SCIENCE BV, 2007)We have investigated the effects of the magnetic field which is directed perpendicular to the well on the binding energy of the hydrogenic impurities in an inverse parabolic quantum well (IPQW) with different widths as ... -
Binding of some dyes onto crosslinked poly (N-vinylpyrrolidone)
(SPRINGER, 2000)Bindings of some anionic dyes containing sulfonyl group(s), namely, Acid Blue 74 (AB-74), Acid Orange 7 (AO-7), Acid Green I (AG-1), Direct Blue 53 (DB-53), and Calconcarbosylic acid (CCA) onto crosslinked poly(N-vinylpyrrolidone) ... -
Bio-dissolution of Cu, Mo and Re from molybdenite concentrate using mix mesophilic microorganism in shake flask
(ELSEVIER SCIENCE BV, 2013)The application of the response surface methodology and the central composite design (CCD) technique for modeling and optimization of the influence of some operating variables on copper, molybdenum and rhenium recoveries ... -
Bioassay-guided isolation of wound healing active compounds from Echium species growing in Turkey
(ELSEVIER IRELAND LTD, 2016)Ethnopharmacological relevance: The roots and root barks of Echium sp. have been used to treat ulcers, burns and wounds in traditional Turkish medicine. Aim of the study: On the basis of them traditional use and literature ... -
Biocompatibility evaluation of cigarette and carbon papers used in repair of traumatic tympanic membrane perforations: experimental study
(SPRINGER, 2013)The purposes of this study were to investigate the biocompatibility of two different paper patches (carbon and cigarette papers) and compare the adhesion and proliferation features of L929 fibroblast cells by using ... -
Bioconjugation of Magnetic Iron Oxide Nanoparticles and Cross-Linked Enzyme Aggregates: Characterization and Comparison of CLEAs and Magnetic CLEAs
(BENTHAM SCIENCE PUBL LTD, 2017)Background: The separation of enzymes from the bio-product medium constitutes a significant part of total process cost. Therefore, it is of crucial importance that the separation processes for enzymes be specially developed. ... -
Biological activities and chemical composition of three honeys of different types from Anatolia
(ELSEVIER SCI LTD, 2007)In this study, we investigated and compared some chemical properties and in vitro biological activities of three different types of Turkish honey. The first two honey samples were monofloral from chestnut and rhododendron ... -
Biological activities of the essential oil and methanolic extract of Micromeria fruticosa (L) Druce ssp serpyllifolia (Bieb) PH Davis plants from the eastern Anatolia region of Turkey
(JOHN WILEY & SONS LTD, 2004)The in vitro antimicrobial and antioxidant activities of the essential oil and methanolic extract of Micromeria fruticosa ssp serpyllifolia as well as the composition of the essential oil were examined. The essential oil ... -
Biological activities of the essential oils and methanol extract of Origanum vulgare ssp vulgare in the Eastern Anatolia region of Turkey
(ELSEVIER SCI LTD, 2004)The present study was conducted to evaluate the antimicrobial activities, antioxidant and properties of essential oils and methanol extracts of Origanum vulgare ssp. vulgare plants. The chemical composition of a hydrodistilled ... -
Biological denitrification of drinking water in a slow sand filter
(ELSEVIER SCIENCE BV, 2007)Biological removal of nitrate from drinking water was studied in a slow sand filter. Optimum carbon to nitrogen ratio (C/N) was found to be 1.8 when using acetic acid in batch tests. The filtration rates impact on NO3-N ... -
Biological denitrification of drinking water using various natural organic solid substrates
(I W A PUBLISHING, 2003)Denitrification of drinking water was studied using various natural organic solid substrates (NOSS) such as poplar, hornbeam, pine shavings and wheat straw as a carbon source in a batch unit. The highest nitrate removal ... -
BIOLOGICAL EVALUATION OF 1-(4-(HYDROXY(1-OXO-1,3-DIHYDRO-2H-INDEN-2-YLI-DENE)METHYL)PHENYL)-3-PHENYLUREA DERIVATIVES: ANTICHOLINERGICS AND ANTIEPILEPTIC POTENTIALS
(PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2019)In this work, a class of phenylurea compounds containing 2-benzoylindan-1-one molecules 3a-3j was designed and synthesized from the reaction of phenylurea-substituted acetophenone compounds with phthalaldehyde molecule ... -
Biological nitrate removal in a laboratory-scale slow sand filter
(WATER RESEARCH COMMISSION, 2008)This research evaluated removal of nitrates from drinking waters in a slow sand filter (SSF). Batch experiments were performed to determine optimum carbon to NO3-N (C/N) ratio for the filtration experiments. The filter ...