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Performance of a rutile electrode for SMAW under the effect of the composition of an applied peripheral coating

Abstract: The evaluation of the performance of rutile electrodes with basic peripheral coating (Limestone + Fluorite) and metallic additions (FeCrMn and Mn metallic) is described. The peripheral coatings composition was varied based on a Mc Lean Anderson experimental d

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Axial Stress Prediction of Torsioned Solid and Hollow Cylindrical Bars

Abstract: A simple methodology is proposed for the prediction of axial tensile yield and ultimate strength of solid and hollow cylindrical bars previously cold worked by means of a torsion process, based on the assumption of an angle of twist. For the validation of the

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Synthesis and characterization of Ni and Co boride catalysts for the hydrogenation of cyclohexene and hydrodesulfurization of thiophene reactions

Abstract: Ni and Co borides were synthesized with a Ni/(Ni+Co) atomic ratio: 1.00, 0.75, 0.50, 0.25 and 0.00 by using Co and Ni nitrate solutions, and a boronhydride solution at -5 ºC for 30 min and constant agitation. These metallic borides were characterized by usual

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Evaluation of bearing capacity in Bimsoil under a shallow foundation using FEM

Resumen: Los depósitos coluviales son materiales sueltos y heterogéneos de suelos o fragmentos de roca depositados en la base o parte media de las laderas. Para denominar a estos materiales, se deriva el término Bimsoil para definir bloques de roca embebidos en una ma

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Acid activated pillared clays with aluminum as CoMo catalysts support for the hydrodesulphurization of thiophene

Abstract: Catalysts 3-10% in mass CoMo supported on pillared clays with aluminum, natural and acid treated at mass relations 0,10 and 0,20 were prepared. By XRD the pillared materials showed a retention of the lamellar structure of the starting clay and a shift of the

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Evaluation of BDD electrode in the determination of Cd(II), Pb(II) and Hg(II) in wastewater mining (Portovelo – Zaruma, Provincia de El Oro, Ecuador)

Abstract: We are reporting an analytical method for the simultaneous detection of Cd(II) and Pb(II) and Hg(II) ions in wastewater mining, through square wave anodic stripping voltamemetric; using boron-doped diamond electrode. The characterization of the electrode was

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