Başlık için Fen Fakültesi listeleme
Toplam kayıt 2379, listelenen: 2316-2335
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Using heavy atom rare gas matrix to control the reactivity of 4-methoxybenzaldehyde: A comparison with benzaldehyde
(Amer Inst Physics, 2012)Different patterns of photochemical behavior were observed for 4-methoxybenzaldehyde (p-anisaldehyde) isolated in xenon and in argon matrices. Monomers of the compound isolated in solid Xe decarbonylate upon middle ultraviolet ... -
Using multivariate adaptive regression splines to estimate pollution in soil
(Inst Advanced Science Extension, 2017)Heavy metal pollution is one of the main factors of the traffic pollution. The public authorities have been monitoring the concentration of heavy metal by means of sampling stations. This paper describes the response surface ... -
Utilization of the Phaseolus vulgaris L. waste biomass for decolorization of the textile dye Acid Red 57: determination of equilibrium, kinetic and thermodynamic parameters
(Taylor & Francis Inc, 2007)In the present study, biosorption of Acid Red 57 (AR57) onto a waste biomass of Phaseolus vulgaris L. was investigated by varying pH, contact time, biosorbent concentration and temperature, to determine the equilibrium, ... -
UV-spectral changes for some azo compounds in the presence of different solvents
(Elsevier Science BV, 2011)The electronic absorption spectra of four azo dyes with different substituents (such as Cl, I, OH) are determined at room temperature in twenty-one solvents with different polarities. The electronic transitions of azo dyes ... -
Uygulamalı bilimlerde diferansiyel denklem öğretimi üzerine
(1997)Bu çalışmada fiziksel bir olayın diferansiyel denkleminin nasıl bulunacağı ve çözümünün fen ve mühendislik öğrencilerine nasıl kavratılacağı üzerinde durulmuştur. -
Üç boyutta interpolasyon yöntemiyle sürekli yüzeyler oluşturma
(2003)Bu çalışmada, bir yüzey interpolasyonu uygulaması geliştirilmiştir. Bu amaçla, $R^3$ de değişik biçim, konum ve yönlenmelere sahip ardışık kapalı eğriler birleştirilmiş ve düzgün, sürekli bir yüzey oluşturulmuştur. Uygulama ... -
Üçgenin Gergonne Noktası Yardımıyla Üçgensel Fuzzy Sayıları Sıralama Yöntemi
(2016)Bu çalışmada, bir üçgenin Gergonne noktası yardımıyla, üçgensel fuzzy sayıları sıralamak için yeni bir sıralama yöntemi sunulmaktadır. Sunulan yöntem literatürdeki mevcut sıralama yöntemlerinin eksikliklerini gidermektedir. ... -
Üçlü halkalarla bazı desargues konfigürasyonları arasındaki ilgi üzerine
(1996)Bu çalışmada L.N. Reddy ve K. Sitaram'ın Alternative Laws in a Hall Planar Ternary Ring ve Associativy in a Hall Planar Ternary Ring isimli makaleleri incelenmiş ve Hail koordinatlama yöntemi ile D ve Da özellikleri ... -
Validated capillary electrophoresis study for the determination of cetirizine in pharmaceutical forms
(Taylor & Francis Inc, 2006)A capillary electrophoretic method for the determination of cetirizine is described in this study. The method was developed by using a running buffer consisting of 10 mM of 10% methanol with pH 8.5, employing a fused silica ... -
A validated capillary electrophoretic method for the determination of indacaterol and its application to a pharmaceutical preparation
(Food & Drug Adminstration, 2018)Indacaterol is a new inhaled ultra-long acting beta(2)-agonist. It has been recently approved in the European Union for the treatment of chronic obstructive pulmonary disease. This paper reports, for the first time, a ... -
A Validated Capillary Electrophoretic Method for the Determination of Olopatadine and Its Application to a Pharmaceutical Preparation of Eye Drops
(Aoac Int, 2017)A validated rapid and sensitive capillary zone electrophoretic method for the determination of olopatadine hydrochloride (OLO) is described. Optimum conditions were found: 20 mmol/L sodium tetraborate buffer, acetonitrile ... -
Validated method for the determination of deflazacort by a flow-injection analysis with UV detection: Application to pharmaceutical formulations
(Taylor & Francis Inc, 2004)A simple, precise, accurate, and fast flow-injection analysis (FIA) method employing UV detection is described for the determination of deflazacort (DEF) in pharmaceutical tablets. The best carrier solvent system consisted ... -
Validated UV-Vis Spectrophotometric Method for the Determination of Copper using 2,3,4,6 '-Tetrahydroxy-3 '-Sulfoazobenzene in Real Samples
(Chem Soc Pakistan, 2018)A selective and sensitive spectrophotometric method has been proposed for the determination of copper by forming red-brown chelate at pH 3.5 (3-4) with 2,3,4,6'-tetrahydroxy-3' sulfoazobenzene (THSA). Molar absorptivity ... -
Validated UV-Vis Spectrophotometric Method for the Determination of Copper using 2,3,4,6/-Tetrahydroxy-3/-Sulfoazobenzene in Real Samples
(Chemical Society of Pakistan, 2018)A selective and sensitive spectrophotometric method has been proposed for the determination of copper by forming red-brown chelate at pH 3.5 (3-4) with 2,3,4,6/-tetrahydroxy-3/-sulfoazobenzene (THSA). Molar absorptivity ... -
Variable selection with genetic algorithm and multivariate adaptive regression splines in the presence of multicollinearity
(Inst Advanced Science Extension, 2016)In this paper, it is aimed to determine the true regressors explaining the dependent variable in multiple linear regression models and also to find the best model by using two different approaches in the presence of low, ... -
The variation of electronic properties with the doping concentration of modulation-doped AlxGa1-xAs-GaAs double quantum wells
(Academic Press LTD Elsevier Science LTD, 2007)In this paper we have calculated the sub-band structure and the confinement potential of modulation-doped Ga1-xAlxAs-GaAs double quantum wells as a function of the doping concentration. The electronic properties of this ... -
Variation of photoluminescence from Si nanostructures in SiO2 matrix with Si+ post implantation
(2007)Si nanoclusters were formed by 28Si ion implantation into SiO2 matrix and subsequently annealed at 1050 °C for 2 h under N2 ambient. The photoluminescence (PL) characteristics depend on the 28Si fluence. The PL signals ... -
The variation of temperature-dependent carrier concentration and mobility in AlGaN/AlN/GaN heterostructure with SiN passivation
(Wiley-V C H Verlag GMBH, 2015)The effects of surface passivation effect on electron mobility and crystal structure in Al0.3Ga0.7N/AlN/GaN heterostructures are investigated by classical Hall effect measurements and an X-ray diffraction method. ... -
Variational Computations for Excitons in Quantum Dots: a Quantum Monte Carlo Study
(World Scientific Publ Co Pte LTD, 2011)A study of variational wave functions for calculation of the ground-state energies of excitons confined in a two-dimensional (2D) disc-like and three-dimensional (3D) spherical parabolic GaAs quantum dots (QDs) is presented. ...