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Mostrando ítems 306-325 de 671
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Factores que afectan el funcionamiento de instalaciones fotovoltaicas autónomas en regiones del Noreste Argentino
(Universidad Nacional del Nordeste. Facultad de Ciencias Exactas y Naturales y Agrimensura, 2014-06-23)En un contexto actual de gran expansión de los sistemas de generación fotovoltaica, las experiencias de terreno en aplicaciones para el sector rural son limitadas y se hace urgente comenzar a analizar en detalle los ... -
Fauna vinculada a la vegetación reófila del Parque Provincial Moconá (Misiones, Argentina)
(Universidad Nacional del Nordeste. Facultad de Ciencias Exactas y Naturales y Agrimensura, 2007)Se brinda información acerca de la fauna de moluscos, peces, aves y mamíferos registrados en dos tipos de vegetación reófila en el Parque Provincial Moconá (Misiones, Argentina). Un tipo de vegetación estuvo compuesto por ... -
First description of the male of the spider tibellus paraguensis Simon, 1897 (araneae: philodromidae), with new distribution records
(Magnolia Press, 2016)The genus Tibellus Simon, 1875 currently includes 51 species (WSC 2016); it presents some taxonomic difficulties, due to morphological variability, and similarities among some congeners (Efimik 1999). Studies on the genus ... -
First record of albinism in the taragüi gecko homonota taragui (Squamata: Phyllodactylidae)
(Societas Europaea Herpetologica, 2015-07)Albinism is a rare, congenital, genetically inherited condition characterized by a partial or complete lack of melanin; the pigment that colors the skin, eyes and hair or feathers (López and Ghirardi, 2011). This condition ... -
First record of ectrodactyly in the family mabuyidae : aphalangia on the posterior extremities of notomabuya frenata (Cope, 1862) from Guairá department, Paraguay
(Societas Europaea Herpetologica, 2017-11)Bone malformations such as polydactyly, brachydactyly, ectrodactyly among others observed in different animal groups. Numerous authors consider that one of the most common morphological anomalies in tetrapods is polydactyly, ... -
First record of liolaemus azarai and hemidactylus mabouia for Ñeembucú Department, Paraguay
(Asociación Herpetológica Argentina, 2017)Comments- The distribution of reptiles from Paraguay was recently revised and updated by Cacciali et al. (2016). Here we report the presence of two lizard species not recorded previously for Ñeembucú Department. -
First record of macrocybe titans (tricholomataceae, basidiomycota) in Argentina
(Pensoft, 2017)Macrocybe titans is characterized by its basidiomata with a remarkable size, the squamose stipe surface, and the pseudocystidia with refractive content. In this paper, we describe and analyze the macro and microscopic ... -
First record of voltzialean male cone (Lutanthus) and Podocarpacean female cone (Rissikistrobus) from the Late Triassic of Argentina, including new plant remains from the Paso Flores formation
(Asociación Paleontológica Argentina, 2017-04)Primer registro de cono masculino de Voltziales (Lutanthus) y de cono femenino de Podocarpaceae (Rissikistrobus) del Triásico Superior de Argentina, incluyendo nuevos restos de plantas de la Formación Paso Flores. Se ... -
First records of Geinitziidae (Insecta: Grylloblattida) from the Upper Triassic of Argentina (Mendoza)
(Taylor & Francis, 2016-08)The salle Grylloblattidae or Grylloblattodea order (extant representatives are referred to as ‘living fossils’ and have relictual distributions) is one of the least diverse extant insect groups (with 29 species and five ... -
First reports of the invasive pest bermudagrass stem maggot, atherigona reversura villeneuve, 1936 (diptera: muscidae), in south america
(Pensoft Publishers, 2016-07-15)This study presents the first occurrence of Atherigona reversura in South America. This muscid, commonly known as shoot-fly, is a significant pest of cereal crops throughout the Old World tropics and subtropics. Several ... -
Flora argentina : novedades en primulaceae
(Instituto de Botánica del Nordeste, 2003-01-01)Anagallis filiformis Cham. & Schltdl., especie no mencionada previamente para la Argentina,es citada, descripta e ilustrada. Se señala por primera vez A. arvensis L., ampliamenteextendida en la Argentina, para las ... -
Flora das cangas da Serra dos Carajás, Pará, Brasil : Rubiaceae
(Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2017)Este estudo compreende as espécies de Rubiaceae que ocorrem sobre canga na Serra dos Carajás, estado do Pará, Brasil, incluindo chaves de identificação, descrições detalhadas, ilustrações e comentários morfológicos das ... -
Flujo viscoso : diseño y construcción de un dispositivo para determinar el coeficiente de viscosidad dinámica del agua
(Universidad Nacional del Nordeste. Facultad de Ciencias Exactas y Naturales y Agrimensura, 2021-05-06)La viscosidad dinámica es una propiedad de los fluidos que caracteriza la resistencia a fluir, es decir el equivalente al rozamiento entre sólidos y se debe principalmente a las fuerzas de adhesión y cohesión existente ... -
Gametogenesis and reproductive dynamics of Scinax acuminatus (Anura: Hylidae) : morphological, histological and immunohistochemical analysis
(Academia Brasileira de Ciencias, 2021)To characterize the reproductive biology of Scinax acuminatus and contribute to the natural history of this species, the morphology of the reproductive system of males and females was analyzed at anatomical, histological ... -
Garabí-Panambí. Complejo centrales hidroeléctricas
(Universidad Nacional del Nordeste. Facultad de Ciencias Exactas y Naturales y Agrimensura, 2014-06-23)El complejo de centrales Hidroeléctricas: “GARABÍ– PANAMBÍ”, resulta ser un emprendimiento de generación energética binacional (Argentina–Brasil), previsto instalarse en el Río Uruguay a la altura de las localidades de ... -
Gastrointestinal parasites of owl monkeys (Aotus Azarai Azarai) in the Argentinean Chaco
(BioOne, 2010-06)In fragmented habitats, an increase in the proportion of available forest edge has been positively correlated to parasite rich- ness. We evaluated how the presence of forest edge may affect parasite-host dynamics in a ... -
Gelation, thermal and pasting properties of pigeon pea (cajanus cajan l.), dolichos bean (dolichos lablab l.) and jack bean (canavalia ensiformis) flours
(Elsevier, 2013-11)This study evaluated the rheological, thermal and pasting properties of pigeon pea (PP), dolichos bean (DB) and jack bean (JB) legume flours and gels. Starch and protein contents were also measured and its molecular weight ... -
Generación de muestras artificiales de variables aleatorias continuas aplicando métodos especiales
(Universidad de los Andes. Centro de Investigación y Formación en Educación, 2013)Se describe una librería de métodos especiales para la generación de muestras artificiales de variables aleatorias con distribuciones de probabilidad continuas, programada en Octave. Este producto se encuentra ... -
Generalized riemann-liouville fractional operators associated with a generalization of the prabhakar integral operator
(Natural Sciences, 2016)The paper introduces a new integral operator which generalizes the Prabhakar integral operator. The boundedness on the space of continuous functions and on the space of Lebesgue integrable functions on an interval is ... -
Genomic characterisation of arachis porphyrocalyx (valls & C.E. Simpson, 2005) (leguminosae) : multiple origin of arachis species with x = 9
(Pensoft, 2017)The genus Arachis Linnaeus, 1753 comprises four species with x = 9, three belong to the section Arachis: Arachis praecox (Krapov. W.C. Greg. & Valls, 1994), Arachis palustris (Krapov. W.C. Greg. & Valls, 1994) and Arachis ...