Search Results - "Abou Sekkina, M."

Microstructure and refractory properties of spinel containing castables by Abo-El-Enein, Salah A., Abou-Sekkina, Morsy M., Khalil, Nagy M., Shalma, Osama A.

“…The bauxite-based and kaolin-based refractory castables investigated were carefully prepared. They are composed of 90 wt.% well-graded (coarse, medium, and…”
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Polymeric matrix membrane sensors for sensitive potentiometric determination of some β-blockers in pharmaceutical preparations by Hassan, Saad S.M., Abou-Sekkina, M.M., El-Ries, M.A., Wassel, A.A.

“…Five poly(vinyl chloride) matrix membrane sensors responsive to some β-blockers (atenolol, bisoprolol, metoprolol, propranolol and timolol) are described and…”
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Polarographic determination of propranolol in pharmaceutical formulation by El-Ries, M.A, Abou-Sekkina, M.M, Wassel, A.A

“…Propranolol was reacted with nitric acid to give nitropropranolol and was then measured in Britton–Robinson solutions in the pH range 2.0–12.0 by…”
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Exploration of a cuprate superconductor YBa2Cu3O7-δ as a catalyst and industrial antipollutant by ABOU-SEKKINA, M. M

“…The kinetics of oxidative decomposition of Erythrosin B dye using the 123-copper superconductor were studied in aqueous solution. Results obtained indicated…”
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Further physicochemical studies on aid-sintered and modified perovskite-type ceramics by Elshereafy, E., Abou Sekkina, M., Salem, M.R., Mohy Eldin, A.

“…Double A,B-doped and aid-sintered BaTiO 3 perovskite ceramics were prepared by usual ceramic techniques and firing procedure. On pellets of these potential…”
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Structure visualization and yttrium(III)-dopings on LiMn2―xYxO4 for promoting structural, microstructural and cathodic capacity features of LiMnO-spinel by ELSABAWY, Khaled M, ABOU-SEKKINA, M. M, ELMETWALY, F. G

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γ-Induced thermal stability and thermal studies on timolol β-blocker by ABOU-SEKKINA, M. M, EL-RIES, M. A, MOLOKHIA, A. M, RABIE, N, WASSEL, A. A

“…Timolol drug, has been investigated by using X-ray diffraction analysis, thermogravimetry (TG), differential thermal analysis (DTA), IR, HPLC and electronic…”
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Trace the exploitation of Egyptian rice straw through spectral and thermal measurements by Issa, Raafat M., Abou-Sekkina, Morsi M., Khedr, Abdalla M., Bastawisy, Alam El-Deen M., El-Helece, Wael A.

“…Cellulose from rice straw obtained at low sodium hydroxide solution concentration with high quality was used to obtain different cellulose derivatives through…”
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Synthesis, Structure, and Electrochemistry of Sm-Modified LiMn2O4 Cathode Materials for Lithium-Ion Batteries by Khedr, Abdalla M., Abou-Sekkina, Morsi M., El-Metwaly, Fouad G.

“…Spinel lithium manganese oxide and a series of Sm/LiMn 2 O 4 spinels with different Sm additive contents ( x  = 0.02%, 0.05%) were prepared for the first time…”
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Solid state synthesis, fast and thermal neutrons irradiations effects, DC-electrical conductivity of La3+, Zr4+ double doped Nano lithium manganates for applications in Li-ion batteries by Khedr, Abdalla M., El-Metwaly, Fouad G., Abou-Sekkina, Morsy M.

“…To enhance growing societal and industrial energy demands in an environmentally friendly pathway, will appeal the use of clean energy sources such as wind,…”
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Spectrochemical study and effect of high energatic gamma ray on copper (II) complexes by Abou Sekkina, Morsy M., Kashar, Tahani I., Aly, Samar A.

“…Series of copper (II) complexes of 2- phenylaminoacetyl-N-phenylhydrazine carbthioamide (H 2L) has been prepared and characterized by elemental and analyses,…”
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Phase composition of bauxite-based refractory castables by Abou-Sekkina, Morsy M., Abo-El-Enein, Salah A., Khalil, Nagy M., Shalma, Osama A.

“…The bauxite-based refractory castables are composed of 90 wt.% well-graded (coarse, medium, and fine) bauxite aggregate, 10 wt.% binding matrix and adequate…”
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Thermophysical studies on the substitution of Al3+ in gallium iron garnets by SALEM, M. R, ELSHEREAFY, E, ABOU SEKKINA, M. M

“…Gallium iron garnet and its Al3+-substituted derivatives were prepared and sintered under oxygen pressure. Measurements of IR spectra, XRD analysis, DTA and…”
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Further investigation on the effects of temperature and energetic ionizing radiation on monoclinic zirconia refractory by TAWFIK, A, ABD EL-ATI, M. I, EL-ASHRY, F. M, ABOU SEKKINA, M. M

“…Several measurements have been undertaken on monoclinic zirconia refractory comprising the temperature dependence of DC electrical conductivity, infrared (IR…”
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Elastic constants of the iron oxide doped yttria-stabilized zirconia by EWAIDA, M. A, HIGAZY, A. A, BRIDGE, B, ABOU SEKKINA, M. M

“…Ultrasonic compressional and shear wave velocity were measured on the (ZrO2)1-A(Y2O3)A-x(Fe2O3)x system at 5 MHz Fe2O3 dopant from 0 up to 10 mol % was mixed…”
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Lead-nano-dopings effects on the structural, microstructural, vibrational and thermal properties of Bi2-xPbxSrV2O9 layered perovskite by EISABAWY, Khaled M, ABOU SEKKINA, Morsy M, ASKER, Mohamed A, EL-NEWEHY, Mohamed H

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Effect of boric oxide additions and gamma irradiation on the phase constitution and thermoelectric properties of yttria-stabilized BZT by EWAIDA, M. A, ABOU SEKKINA, M. M, IBRAHIM, E. M, SHARF AL-DEEN, L. M

“…The effects of boric oxide and gamma-irradiation on the thermoelectric properties of yttria-stabilized barium zirconate titanate (BZT) ceramics were studied. 8…”
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Pyroelectricity and mechano-dielectricity of lead zirconate titanate niobate [Pb(1?Y/2)(Zr1?(X +Y)Ti X Nb Y )O3] ceramic transducers by Abou Sekkina, M. M., Tawfik, A.

“…Pyroelectricity is defined as the manifestation of the temperature dependence of the spontaneous polarization of polar solids. Practically, it is the change in…”
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Structure visualization and yttrium(III)-dopings on LiMn2a degree x Y x O4 for promoting structural, microstructural and cathodic capacity features of LiMnO-spinel by Elsabawy, Khaled M, Abou-Sekkina, M M, Elmetwaly, F G

“…Samples with general formula LiMn2a degree x Y x O4 (where xaa=aa0.025, 0.05aamol) were successfully synthesized through thermal decomposition of LiMnC2O4…”
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Further studies on the properties and effect of high energetic ionizing radiation on copper(II) complexes: 1H NMR, electronic absorption, ESR spectra and solid electrical conductivity by Abou Sekkina, M. M., El-Boraey, H. A., Aly, S. A.

“…The effect of energetic γ-radiation on 1 H NMR, electronic absorption, ESR spectra, differential thermal analysis (DTA) and solid state dc electrical…”
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