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Abstract Magnetic anomalies may be used to constrain magma ascent and are useful as precursors to eruptions especially when correlated with other geophysical and geochemical data. In this paper we… Continue Reading
Description des resultats d'une prospection geophysique sur le centre urbain precolombien de Teotihuacan (Mexique), dans les environs de la Pyramide du Soleil. Le but de la prospection etait de… Continue Reading
Monitoring of real-time magnetic signals at Popocatepetl during 2006 has allowed discrimination of magma injection and dome growth. Magnetic signals correlated with seismic, volcanotectonic events… Continue Reading
ABSTRACT Typical 3-D electrical resistivity tomography sampling schemes, which require a grid of electrode lines to be deployed, are limited by physical conditions of the area under study. New array… Continue Reading
AbstractIt is known that lead anodes used in the industrial extraction of copper by electrolysis (electrowinning) suffer corrosion as a result of accidental or intended current interruptions. In… Continue Reading
A geophysical survey was carried out in an archaeological site called Los Teteles (bunch of rocks), which covered several areas within the zone. This investigation included high resolution total… Continue Reading
The effect of ammonia on the leaching of copper smelter dust and copper precipitation from these solutions as sulphide using sulfur and sulfur dioxide was studied. The precipitation was done in… Continue Reading
Estudio que analiza la respuesta de un revestimiento anticorrosivo sobre un sustrato en un ambiente determinado, como lo es ambiente salino.
Para diferentes electrolitos base acido sulfurico y cobre en disolucion, se han estudiado las propiedades de conductividad electrica en soluciones concentradas, de estos estudios se han derivado… Continue Reading
Catalytic lead (IV) dioxide coatings have been produced on titanium and stainless steel 316 and 316L anodes. Good adherence of the lead (IV) dioxide coatings was obtained by depositing thin… Continue Reading