Shield Gas
Mostrando 1-5 de 5 artigos, teses e dissertações.
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1. Efecto del Gas de Protección, Ángulos de Trabajo y Desplazamiento sobre las Características de Juntas de Filete Obtenidas por GMAW en un Acero Microaleado de Alta Resistencia
Abstract: The fillet joint is one of the most used in several industries, particularly in the agricultural machinery. However, many times, the complexity of the parts to be joined difficult welder accessibility, therefore working and travel angles are important variables to analyze. Furthermore, in GMAW process, employing shielding gas mixture Ar-20%CO2 has
Soldag. insp.. Publicado em: 2016-09
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2. Photo-Induced conductivity of heterojunction GaAs/Rare-Earth doped SnO2
Rare-earth doped (Eu3+ or Ce3+) thin layers of tin dioxide (SnO2) are deposited by the sol-gel-dip-coating technique, along with gallium arsenide (GaAs) films, deposited by the resistive evaporation technique. The as-built heterojunction has potential application in optoelectronic devices, because it may combine the emission from the rare-earth-doped transpa
Mat. Res.. Publicado em: 23/04/2013
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3. GRANTS FOR GROUNDWATER MANAGEMENT AT SANTA MARIA RIVER BASIN/RS / SUBSÍDIO PARA GESTÃO DAS ÁGUAS SUBTERRÂNEAS NA BACIA HIDROGRÁFICA DO RIO SANTA MARIA/RS
This study aims to provide subsidies for groundwater management at the basin of Rio Santa Maria-BHRSM. Located in the southwest of Rio Grande do Sul state, Brazil, on the edge of Paraná Basin and transitioning towards the Uruguaio Sul-Riograndense Shield, has an area of 15,797,300 square kilometers. About 16 formations occur in outcrops Pavão (2004), of wh
Publicado em: 2009
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4. Avaliação cinemática e dinâmica da transferência metálica na soldagem mig/mag / Dynamic and cinematic evaluation of MIG/MAG metal transfer
Com o intuito de aprofundar o conhecimento da transferência metálica em MIG/MAG goticular e fornecer dados para aprimorar a elaboração de modelos da mesma, foram realizados experimentos com eletrodos de aço (polaridade inversa, gás de proteção Ar+5%O2) e alumínio (polaridade inversa, gás de proteção Ar), experimentos com eletrodo de aço e vário
Publicado em: 2007
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5. Structure, initial excited-state relaxation, and energy storage of rhodopsin resolved at the multiconfigurational perturbation theory level
We demonstrate that a “brute force” quantum chemical calculation based on an ab initio multiconfigurational second order perturbation theory approach implemented in a quantum mechanics/molecular mechanics strategy can be applied to the investigation of the excited state of the visual pigment rhodopsin (Rh) with a computational error <5 kcal·mol-1. As a
National Academy of Sciences.