Güncel Gönderiler: Makale Koleksiyonu
Toplam kayıt 1058, listelenen: 21-40
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Investigation of the structure and properties of the potentially tautomeric 5,7-dimethyl-6H-pyrrolo[3,4-d]pyridazines in the gas and aqueous phases using the AM1 and PM3/COSMO solvation method
(Elsevier Science BV, 1998)The potentially tautomeric 5.7-dimethyl-6H-pyrrolo[3,4-d]pyidazines 2H and 6H, and their fixed tautomeric forms were studied in order to predict the most stable form by the restricted Hartree-Foch approach using semiempirical ... -
Spectroscopic determination of acid dissociation constants of some imidazole derivatives
(American Chemical Society, 2001)The acid dissociation constants, pK(a), of eight biologically active imidazole derivatives were determined using a spectroscopic technique. Using the obtained acid dissociation constants, attempts were made to elucidate ... -
FT-IR spectroscopic study of the Hofmann-T-d-type clathrates: Ni(1,9-diaminononane)M'(CN)(4).2G (M' = Cd or Hg, G = benzene, 1,2-dichlorobenzene or 1,4-dichlorobenzene)
(Croatian Chemical Soc, 2007)New Hofmann T-d-type clathrates in the form of Ni(1,9-diaminononane)M'(CN)(4) center dot 2G (M' = Cd or Hg, G = benzene, 1,2-dichlorobenzene or 1,4-dichlorobenzene) were prepared in powder form and their infrared spectra ... -
The determination of the thickness and optical constants of the ZnO crystalline thin film by using envelope method
(Natl Inst Optoelectronics, 2006)ZnO crystalline thin film has been deposited onto glass substrates by the spray pyrolysis method. The crystallographic structure of the film and the size of the crystallites in the film were studied by X-ray diffraction. ... -
Hamilton formulation for the analysis of RLC circuits
(Physics Essays Publication, 2002)The Hamiltonian formulation well known in classical mechanics is applied to RLC circuits. The flux linkages for the inductances are assumed to be the generalized momenta (conjugate momenta), and the Hamiltonian function ... -
Optical characterization of the CdZn(S1-xSex)(2) thin films deposited by spray pyrolysis method
(Technical University Wroclaw, 2006)CdZn(S1-xSex)(2) thin films have been deposited onto glass substrates by the spray pyrolysis method at a 275 degrees C substrate temperature. The average optical transmittance of all the films was over 65% in the wavelength ... -
Biquaternionic representations of angular momentum and Dirac equation
(Slovak Acad Sciences Inst Physics, 2003)In the present article, after defining biquaternions, the general properties of biquaternion's algebra are introduced. The matrix representations of biquaternions are presented, as well. Then, the biquaternionic angular ... -
The quaternionic energy conservation equation for acoustic
(Slovak Acad Sciences Inst Physics, 2003)After introducing the quaternions and its algebra, the equations of the linear acoustics are defined. The local conservation equation for energy of the linear acoustics using quaternions and a quaternionic first-order ... -
Structural stabilities of water-soluble MnTDCSPP, MnTSPP, and supported analogues toward hydrogen peroxide and sodium hypochlorite
(Wiley-Blackwell, 2000)This article describes the structural stabilities of 5,10,15,20-tetrakis(2.6-dichloro-3-sulfonatophenyl)porphinatomanganese(III) X (X: OH-. H2O) (MnTDCSPP), 5,10,15,20-tetra(4-sulfonatophenyl)porphinatomanganese(III) X (X: ... -
Determination of the electron effective mass of 2D electrons in AlGaN/AlN/GaN heterostructure by Raman-scattering measurements
(Natl Inst Optoelectronics, 2012)The electron effective mass in AlGaN/AlN/GaN heterostructure grown by the metalorganic chemical vapor deposition (MOCVD) technique was determined from the phonon-plasmon coupled-mode line-shape analysis of vibrational ... -
Catalysis of autoxidation of 2,6-di-tert-butylphenol in water by metallophthalocyanine tetrasulfonates bound to polyelectrolyte supports
(Scientific Technical Research Council Turkey, 1996)2,6-and 2,10-Ionenes and soluble poly(vinylbenzyl)trimethylammonium chloride polyelectrolytes were synthesized and used as catalyst supports for cobalt-, iron- and copper-phthalocyanine tetrasulfonates on the autoxidation ... -
catena-Poly[[(4-formylbenzoato-kappa O-1)(isonicotinamide-kappa N-1)zinc(II)]-mu-4-formylbenzoato-kappa O-2(1):O-1 ']
(Int Union Crystallography, 2009)In the title compound, [Zn(C8H5O3)(2)(C6H6N2O)](n), the Zn-II ion is tetrahedrally coordinated by two formylbenzoate (FB) and one isonicotinamide (INA) ligands while symmetry-related FB ligands bridge adjacent ZnII ions, ... -
Synthesis and characterization of veratryl alcohol imprinted and nonimprinted methacrylamido polymers
(Scientific Publishers India, 2016)In this study, the synthesis and structural properties of a Molecularly Imprinted Polymer (MIP) and a Nonimprinted Polymer (NIP) bearing Fe-porphyrin moiety and amino acid moieties including Histidine (His), Tryptophan ... -
Aquabis(isonicotinamide-kappa N-1)bis(4-methylbenzoato)-kappa O;kappa O-2,O '-cadmium(II) monohydrate
(Wiley-Blackwell, 2010)In the crystal structure of the title compound, [Cd(C8H7O2)(2)(C6H6N2O)(2)(H2O)]center dot H2O, the Cd-II cation is coordinated by two 4-methylbenzoate (PMB) anions, two isonicotinamide (INA) ligands and one water molecule ... -
Growth, Fabrication and Characterization of Quantum Dot Intermediate Band Solar Cell
(Gazi University, 2017)Stacked layers of self-assembled InAs quantum dots were synthesized within the base region close to the back surface field of GaAs single junction n- on p-solar cell. The solar cell structure was grown epitaxially on p-type ... -
Copper (II) Phthalocyanine Based Field Effect Transistors with Organic/Inorganic Bilayer Gate Dielectric
(Amer Scientific Publishers, 2015)High mobility Copper (II) phthalocyanine (CuPc) organic field effect transistor (OFET) with Polyvinyl Alcohol (PVA)/Anodized Aluminium Oxide (Al2O3) bilayer gate dielectric was fabricated. The morphology of CuPc active ... -
A new protocol for the synthesis of primary, secondary and tertiary anthranilamides utilizing N-(2-aminoarylacyl)benzotriazoles
(Arkat Usa Inc, 2012)A convenient route for efficient conversion of unprotected anthranilic acids into the corresponding N-(2-aminoarylacyl)benzotrazoles is described. N-(2-Aminoarylacyl)benzotrazoles have been successfully used to synthesize ... -
Crystal structure of aquabis(heptafluorobutanoato-kappa O)(1,10 '-phenanthroline-kappa N-2,N ')copper(II)
(Int Union Crystallography, 2016)The title compound, [Cu(C4F7O2)(2)(C12H8N2)(H2O)], is mononuclear and contains a pentacoordinated Cu-II ion. The geometry of Cu-II ion can be described as distorted square-pyramidal with two O atoms of two butanoate anions ... -
Crystal structure of bis(mu-2-benzoylbenzoato-kappa O-2:O')bis[bis(2,2'-bipyridine-kappa N-2,N')manganese(II)] bis(perchlorate)
(Int Union Crystallography, 2015)The title compound, [Mn-2(C6H5COC6H4COO)(2)(C10H8N2)(4)](ClO4)(2), comprises a centrosymmetric binuclear cation and two perchlorate anions. In the complex cation, two Mn-II atoms are bridged by two 0 atoms of two different ... -
Structural, Optical and Electrical Properties of Erbium-Doped ZnO Thin Films Prepared by Spin Coating Method
(Amer Scientific Publishers, 2016)In order to investigate the influence of erbium (Er) content on morphological, structural and optical properties of ZnO films, both undoped and Er doped ZnO films were prepared by sol gel method using spin coating technique. ...
