Results 21 to 30 of about 14,272 (263)
La queratotaxia cercariana en la diferenciacion de sexos de schistosoma mansoni
Memorias do Instituto Oswaldo Cruz, 1988 El número de papilas argirófilas superficiales y su modelo de disposición en el tegumento de las cercarias (quetotaxia) de Schistosoma mansoni nos permitió diferenciar los sexos a nivel del mencionado estadío larvario, mediante los siguientes critérios: -
Luz Arelis Pino +3 more
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Tectonics of the central Andes
Advances in Space Research, 1989 Acquisition of nearly complete coverage of Thematic Mapper data for the central Andes between about 15 to 34 degrees S has stimulated a comprehensive and unprecedented study of the interaction of tectonics and climate in a young and actively developing major continental mountain belt.
B.L. Isacks +4 more
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Chemical composition of wood essential oil of Aniba cinnamomiflora C. K. Allen from venezuelan andes
Colombia Forestal, 2016 Aniba cinnamomiflora C. K. Allen is a tree species of Lauraceae family that produces essential oil. Study on the hydrodistillation product of wood pieces from branches of Aniba cinnamomiflora is presented. The 0.05% of essential oil was obtained.
Enid Esperanza Marcano +4 more
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Tagetes dombeyi (Asteraceae, Tageteae), a new species from the Central Andes first collected in the 18th century [PDF]
Rodriguésia, 2023 Tagetes dombeyi (Asteraceae, Tageteae), a new species from the Central Andes first collected in the 18th century. A new annual species of Tagetes from the Central Andes of Peru and Bolivia, T.
Darío Javier Schiavinato +2 more
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Estudios AtacameñosSe presentan evidencias arqueológicas inca registradas en la sección superior del valle de Ricrán, sierra central del Perú. Tras revisar la información correspondiente al Período Intermedio Tardío, se evalúa el carácter de la ocupación incaica en la zona
Manuel F Perales M
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Range extensions of two species of Odontophorus (Galliformes, Odontophoridae) in the Eastern Colombian Andes [PDF]
Check List, 2017 Odontophorus hyperythrus Gould, 1858 and Odontophorus strophium (Gould, 1844) are endemic to Colombia. The species O. hyperythrus is distributed on both the slopes of the Western and Central Andes, and in the southern part of the ...
Gerson Peñuela-Díaz +3 more
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Lithospheric flexure and bending of the Central Andes
Earth and Planetary Science Letters, 1995 Gravity anomaly and topography data are used to define the effective elastic thickness of the lithosphere, T,, in the bend region of the Central Andes. Values of Z” increase from nearly zero, north and south of the bend, to values greater than 50 km at the bend in Bolivia.
Watts, A, Lamb, S, Fairhead, J, Dewey, J
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Birds, Quindío Department, Central Andes of Colombia [PDF]
Check List, 2011 We present an avifaunal list for the department of Quindío, Colombia. Data were compiled from our original fieldwork, museum online databases, and literature.
Enrique Arbeláez-Cortés +5 more
doaj +3 more sources
Mechanistische Diversität in der photoangeregten Radikal‐Redoxchemie: Eine kritische Evaluierung
Angewandte Chemie, EarlyView.Für viele prominente Beispiele der Photoredox‐Katalyse wird angenommen, dass sie über die Anregung einer offenschaligen („open‐shell“) Zwischenform des Katalysators ablaufen. Es wird jedoch intensiv darüber diskutiert, ob solche Mechanismen realistisch sind und, falls ja, wie genau sie ablaufen können.
Samuel J. Horsewill +3 more
wiley +1 more source
Iatreia, 2023 Background: Frequent and indiscriminate sun exposure has determined an increase in skin cancer rates globally. In Venezuela, reports evaluating sun exposure practices and the use of photoprotection measures are limited.
Aguasanta González-Delatorre +3 more
doaj +1 more source