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2014
In this work, the deposition of niobium-vanadium ternary carbide coatings on D2 tool steel by thermoreactive deposition/diffusion (TRD) is presented. The carbides were obtained using salt baths composed of molten borax, ferro-vanadium, ferro-niobium and aluminum, varying its chemical composition, at a temperature of 1020 °C for 4 hours.
Castillejo, Fabio +2 more
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In this work, the deposition of niobium-vanadium ternary carbide coatings on D2 tool steel by thermoreactive deposition/diffusion (TRD) is presented. The carbides were obtained using salt baths composed of molten borax, ferro-vanadium, ferro-niobium and aluminum, varying its chemical composition, at a temperature of 1020 °C for 4 hours.
Castillejo, Fabio +2 more
openaire +2 more sources
A fruticultura é estratégica na agricultura brasileira tanto para a geração de empregos quanto para a exportação de produtos alimentÃcios. Durante a colheita, grande parte dos sistemas usados na fruticultura ainda operam de modo manual, exigindo muita mão-de-obra e demandando que as técnicas de produção se adaptem à s necessidades especà ...
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2014
This book describes the theoretical foundations of the production theory. The research is divided into two parts. The first one is devoted to the theoretical description of the neoclassical production theory, and the second one develops aspects related to the economic efficiency and frontier techniques. More specifically, a critical and detailed review
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This book describes the theoretical foundations of the production theory. The research is divided into two parts. The first one is devoted to the theoretical description of the neoclassical production theory, and the second one develops aspects related to the economic efficiency and frontier techniques. More specifically, a critical and detailed review
openaire +1 more source

