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This work proposes a new direct flourimetric methodology for cadmium traces quantification based on its association with azo-reagent SPADNS and rhodamine B dye. Experimental variables that influence on fluorimetric sensi...

Research in English Language Teaching in Mexico has recently increased due to the new demanads imposed by international agencies for researchers to publish. As a result, networks and collaboration among institutions have...

Este estudo apresenta dados sobre a mineralogia e a química de dois solos urbanos em Manaus (Horto Minicipal e Novo Israel) formados a partir da disposição e degradação de resíduo urbano em condições tropicais ú...

Mining currently has encountered great difficulties in obtaining high-grade ores due to depletion of mineral reserves. Conventional methods of extraction of metals (pyrometallurgy) present high energy costs and are unfri...

Sobre la base de evidencias previas, se planteó un estudio de caso de contaminación por plomo en una población del conurbano bonaerense, que habita en un barrio aledaño a una zona fabril, donde funciona una fábrica ...

Subjects / keywords: LEACH, PETER; EDICIONES JUAN GRANICA; 658.04 L434e

Subjects / keywords: LEACH, EDMUND; EDITORIAL ANAGRAMA; 301 L434l

Wetlands are subject to invasion by exotic plant species, especially during the dry season when they resemble terrestrial systems; therefore, terrestrial plants could exploit this situation to colonize this environment. ...