Results 81 to 90 of about 1,162,050 (322)
Anales de Geografía de la Universidad Complutense, 2004 In this paper we study some abandoned silver mines located in Horcajuelo de la Sierra, in the province of Madrid. An important bibliographic research has been done, as well as various field trips. The aim was to interpret and date the mining heritage. On
Luis Jordá Bordehore
doaj
Ciencia y Sociedad, 1979 Este artículo aborda la naturaleza, la justificación y la función de una política minera en República Dominicana. Es una política que precisa de la asignación presupuestaria adecuada, de apoyo institucional, etc.
Ramón Alburquerque
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A Union-Oligopoly Model of Endogenous Discrimination:Should it be wage discrimination taxed or discriminated employment subsidized? [PDF]
In the context of a homogenous good industry with Cournot rivalry and technological asymmetries among firms, equally skilled workers can be grouped according to their different reservation wages.
Minas Vlassis, Nick Drydakis
core
, 2017 (Importance of bees in pollination of Solanum lycopersicum L. (Solanaceae) in open-field of the Southeast of Minas Gerais State, Brazil). Pollinators are extremely important in agricultural crops because their deficit can affect food production in the ...
Ronaldo Vinícius-Silva +4 more
semanticscholar +1 more source
Ten‐year follow‐up of bilateral gingival recession treatment: A case report
Clinical Advances in Periodontics, EarlyView.Abstract Background This work aims to present a 10‐year follow‐up of a young patient who underwent treatment with collagen matrix (CM) combined with enamel matrix derivative (EMD) for bilateral gingival recessions in the maxillary canine region. Methods The patient, a 25‐year‐old woman, presented with bilateral Cairo type 1 recessions.
Luiz C. L. Marques‐Junior +4 more
wiley +1 more source
Staphylococcus saprophyticus Recovered from Humans, Food, and Recreational Waters in Rio de Janeiro, Brazil. [PDF]
, 2017 Staphylococcus saprophyticus is an important agent of urinary tract infection (UTI) in young women, but information about this pathogen in human microbiota and in common environment is lacking. The aim of this study was to characterize S.
Botelho, Ana Carolina Nunes +14 more
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Florida Entomologist, 2016 Summary Drosophila suzukii (Matsumura) (Diptera: Drosophilidae) was first collected in Minas Gerais State, Brazil, in Mar 2016, in the municipality of Ervália, from an organic strawberry field.
F. Andreazza +3 more
semanticscholar +1 more source
Boric Acid Post‐Modified [Al]ZSM‐5 Zeolites: Properties, Acidity, and Ethanol/Ethene Conversion
Chemistry – A European Journal, EarlyView.The modification of MFI zeolites with boric acid leads to the formation of framework boron, unstable surface species, and unbound deposits. Relevant BAS for catalysis and access to pores are strongly reduced. The boric acid is removed upon converting C1 or C2 alcohols and ethene. ABSTRACT The effect of boric acid post‐modification on [Al]ZSM‐5 zeolites
Zheng Li +3 more
wiley +1 more source
Claves JurídicasEl presente estudio se centra en el análisis del impuesto sobre el producto bruto de las minas conforme a la regulación establecida por la Ley de Reforma Tributaria de 16 de diciembre de 1940.
Marta Marcos Cardona
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