Výsledky vyhledávání - "Discos rotatorios"

Sistema de distribución para motor de combustión de cuatro tiempos basado en discos rotatorios

Autor: Atencia Gisbert, José

Publikováno v: RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname

[ES] El trabajo aborda el desarrollo de una propuesta alternativa de sistema de distribución para un motor de combustión de cuatro tiempos. La mayoría de los sistemas actuales se basan en el uso de válvulas empujadas por árboles de levas, que ti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::a6cf034cbe321823c908eb2afb1fe382
http://hdl.handle.net/10251/173807

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Iron dissolution and passivation in K2CO3-KHCO3 solutions. Rotating ring disc electrode and XPS studies

Autor: Alejandro Jorge Arvia, Élida Beatriz Castro, Jorge Roberto Vilche

Publikováno v: SEDICI (UNLP)
Universidad Nacional de La Plata
instacron:UNLP

Rotating ring-disc electrode studies on the anodic dissolution and passivation of iron in potassium carbonate/bicarbonate buffers at 25°C show that in the active anodic dissolution potential range Fe(II) soluble species are generated. This reaction

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2addcb3653bdb065989bdffdc7c7fab6
http://sedici.unlp.edu.ar/handle/10915/79769

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The influence of slow Cu(OH)2 phase formation on the electrochemical behaviour of copper in alkaline solutions

Autor: Roberto Carlos Salvarezza, Alejandro Jorge Arvia, J. Gomez Becerra

Publikováno v: SEDICI (UNLP)
Universidad Nacional de La Plata
instacron:UNLP

Evidences of a slow Cu(OH)2 phase formation with data resulting from potentiodynamic potentiostatic and rotating-ring-disc techniques were obtained during the anodization of copper in 0.1 M NaOH. According to the potential and time windows employed i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::94b15a15070118d1abbd29943a548f3a
https://doi.org/10.1016/0013-4686(88)80059-8

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The electrodissolution of base palladium in relation to the oxygen electroadsorption and electrodesorption in sulphuric acid solution

Autor: María Elisa Martins, Alejandro Jorge Arvia, Agustín Eduardo Bolzán

Publikováno v: SEDICI (UNLP)
Universidad Nacional de La Plata
instacron:UNLP

The electrodissolution of palladium electrode immersed in 1 M H2SO4 under both repetitive triangular potential sweeps and combined potential perturbation functions has been investigated by using the rotating ring—disc electrode technique. The contr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79156a87ca839a94829b5435fb7ff25c
https://doi.org/10.1016/0022-0728(84)80188-6

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Electrochemical study of the diffusion of cupric ion in aqueous and aqueous-glycerol solutions containing sulphuric acid

Autor: Alejandro Jorge Arvia, J.C. Bazán, Jesús Simón Carrozza

Publikováno v: SEDICI (UNLP)
Universidad Nacional de La Plata
instacron:UNLP

The diffusion coefficient of cupric ion in sulphuric acid solutions containing glycerol from 0 to 10 M has been determined with the aid of the rotating disk electrode. The viscosity of the solutions has also been measured. Experiments covered a tempe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1af49187ccac28035acf24e4c5fa77dd
https://doi.org/10.1016/0013-4686(66)87064-0

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The electrochemistry of gold in acid aqueous solutions containing chloride ions

Autor: Alfredo J. Calandra, J. Herrera Gallego, Alejandro Jorge Arvia, Carlos E. Castellano

Publikováno v: SEDICI (UNLP)
Universidad Nacional de La Plata
instacron:UNLP

Results obtained with differently prepared gold electrodes in acid solutions containing chloride ion at temperatures ranging from 22 to 65°C are reported. Potentiostatic techniques and rotating disc electrodes were employed. The anodic dissolution,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c8e5d94f0401c1648bcf9c4810681ac
http://sedici.unlp.edu.ar/handle/10915/80375

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The influence of ionic composition on the electrodissolution and passivation of iron electrodes in potassium carbonate-bicarbonate solutions in the 8.4–10.5 pH range at 25°C

Autor: Cristóbal R. Valentini, Alejandro Jorge Arvia, Élida Beatriz Castro, Jorge Roberto Vilche, Carlos Moina

Publikováno v: SEDICI (UNLP)
Universidad Nacional de La Plata
instacron:UNLP

The influence of ionic composition on the electrodissolution and passivation of iron electrodes in potassium carbonate/bicarbonate buffers is studied over the concentration range of anions compatible with the regulating capacity of the buffer, at 25�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2dece70077a95aa583df8f31fe4bff8e
http://sedici.unlp.edu.ar/handle/10915/80352

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Kinetics and mechanisms of electrochemical reactions on platinum with solutions of iodine-sodium iodide in acetonitrile

Autor: V. A. Macagno, Alejandro Jorge Arvia, M.C. Giordano

Publikováno v: SEDICI (UNLP)
Universidad Nacional de La Plata
instacron:UNLP

The kinetics of the iodine-tri-iodide-iodide electrode in acetonitrile has been investigated in the temperature range from 0 to 30°C. Current/voltage curves were determined using a platinum rotating disk electrode working at 200 to 3000 rpm. The ano

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee9ce84696107534e58b94f529cc4294
http://sedici.unlp.edu.ar/handle/10915/79788

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The diffusion of ferro- and ferricyanide ions in aqueous solutions of sodium hydroxide

Autor: J.C. Bazán, Alejandro Jorge Arvia

Publikováno v: SEDICI (UNLP)
Universidad Nacional de La Plata
instacron:UNLP

The diffusion of ferri- and ferrocyanide ions in sodium hydroxide solutions has been studied by means of a platinum rotating disk electrode. Results were obtained at variable concentrations an in the range of temperature between 24 and 40°C. The pro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::78a1197ebb64a647c5de3a513885d911
http://sedici.unlp.edu.ar/handle/10915/79976

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