Results 31 to 40 of about 5,573 (155)
American Journal of Biological Anthropology, Volume 184, Issue 3, July 2024.Location of the Colonial period site of El Japón (San Gregorio Atlapulco, Mexico City). Abstract Objectives Early colonial documents from central Mesoamerica detail raising and planting of European livestock and crops alongside native ones. The extent to which Indigenous people, especially of the rural commoner class, consumed newly introduced foods is
Edgar Alarcón Tinajero +3 more
wiley +1 more source
Los isótopos estables como potenciales indicadores de deforestación en cuencas hidrográficas
, 2019 La deforestación incrementa los caudales máximos provocando además la pérdida de suelo por erosión. Este trabajo propone el uso de isótopos estables para entender mejor el efecto del bosque en el ciclo hidrológico. Se plantea un fraccionamiento isotópico
Arismendi,Iván
core +2 more sources
Quality criteria of the radiopharmaceutical suspensions used in radiosynoviorthesis
Nucleus, 2017 The quality criteria of radioactive dispersions used in radiosynovectomy are examined, taking into account the requirements of the Pharmacopoeia for the Chromic Phosphate P-32 of Mallinckrodt, recommendations for the use of approved radiopharmaceuticals ...
Jorge Cruz Arencibia +3 more
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Austral Ecology, Volume 49, Issue 1, January 2024.Resumo Os girinos são componentes importantes de muitas teias alimentares aquáticas, pois influenciam as populações em outros níveis tróficos e, consequentemente, a transferência de energia entre os ecossistemas aquáticos e terrestres. O que os girinos consomem é um fator chave para suas funções ecológicas. As assembleias de anuros neotropicais incluem
Iara Matias Gonçalves +4 more
wiley +1 more source
Separação de Isótopos por Ressonância
, 2010 Devido a grande demanda do uso da energia atômica, as pesquisas sobre o processo de separação de isótopos tornam-se cada vez mais importantes.
Tsuchida, Masayoshi +1 more
core +1 more source
High methane concentrations in tidal salt marsh soils: Where does the methane go?
Global Change Biology, Volume 30, Issue 1, January 2024.Salt marsh soils can contain high concentrations of methane, but what happens to this gas? There are a few possibilities, including vertical and lateral transport, storage within the soil, and/or oxidation resulting in transport as carbon dioxide or dissolved inorganic carbon.
Margaret Capooci +8 more
wiley +1 more source
Occupational and public exposures in RIT of brain tumors in Cuba
Nucleus, 2009 The first phase of the clinical trial using the humanized monoclonal antibody h-R3 (Nimotuzumab) labelled with , for radioimmunotherapy of brain malignant was performed during the period 2002-2005 in Cuba.
Zayda Haydeé Amador Balbona +2 more
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Comparación de la medición de actividad de con activímetros en medicina nuclear en Cuba
Nucleus, 2008 Se presentan los resultados de la comparación nacional de la medición de actividad de con activímetros, organizada en Cuba en el 2007. Estos resultados contribuyen a establecer la incertidumbre y la trazabilidad de los valores de actividad de ...
Pilar Oropesa Verdecia +2 more
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Chemical and isotopic study of thermal springs and gas discharges from Sierra de Chiapas, Mexico
Geofísica Internacional, 2005 La Sierra de Chiapas localizada en el Sureste de México, se caracteriza por la presencia de descargas de gas y agua. La mayoría de los manantiales termales se asocian a rocas volcánicas Terciarias a lo largo de fallas regionales con orientación NO-SE ...
A. Nencetti +7 more
doaj +1 more source
Phosphorous-32 and Yttrium-90 as options in the treatment of metastatic bone pain
Nucleus, 2016 In this paper the prevalence of metastatic bone pain is estimated in our country in no less than 3 750 patients. Moreover, the role of -phosphate, which effectiveness is comparable to other radiopharmaceuticals, and the possible return to its previous ...
Alejandro Alberti Ramírez +3 more
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