Buscar recursos académicos

Encontrá libros, artículos, revistas, tesis y otros recursos académicos. Buscá, elegí el resultado correcto y accedé al contenido.

Qué reúne NODOVOX Discovery: catálogos institucionales, recursos electrónicos, revistas de acceso abierto, colecciones disponibles y enlaces de consulta académica.

Resultados

77 resultados encontrados.

Tipos de recurso: Libro electrónico Artículo Revista Tesis Capítulo
Búsqueda académica
Seasonal variation in cardiovascular and cerebrovascular hospitalizations across climatic zones in Northern and Southern Israel
Artículo
Acceso abierto Artículo DOAJ
Shira Deich et al · BMC · 2026 · ISSN 1471-2261
Abstract Background Seasonal variation in cardiovascular and cerebrovascular diseases (CCD) is well documented, with higher morbidity in winter. Israel’s contrasting climates—Mediterranean in the north and semi-arid ...
LCC TENDOkRpc2Vhc2VzIG9mIHRoZSBjaXJjdWxhdG9yeSAoQ2FyZGlvdmFzY3VsYXIpIHN5c3RlbQ~~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Seasonal variation, method of determination of bovine milk stability, and its relation with physical, chemical, and sanitary characteristics of raw milk
Artículo
Material complementario disponible Artículo DOAJ
Sandro Charopen Machado et al · Sociedade Brasileira de Zootecnia · ISSN 1806-9290
ABSTRACT The objective of this research was to determine the variation of milk stability evaluated with ethanol, boiling, and coagulation time tests (CTT) to identify milk components related with stability and verify the...
LCC LCC:Animal cultureIdioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Seasonal variation in the reproductive activity of male goats raised under tropical climate conditions
Artículo
Acceso abierto Artículo DOAJ
Júlio César Oliveira Dias et al · Sociedade Brasileira de Zootecnia · ISSN 1806-9290
ABSTRACT This study analyzed seasonal variations in the testes, the concentration of sex hormones, the parameters of fresh and thawed semen, and the sexual behavior of male Alpine goats from a temperate region in a tropi...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Seasonal variations in hospital admissions and case-fatality of ischemic stroke: a nationwide analysis of >4.2 million cases in Germany
Artículo
Material complementario disponible Artículo DOAJ
Omar Hahad et al · Frontiers Media S.A · 2026 · ISSN 2674-1199
BackgroundIschemic stroke is a leading cause of global morbidity and mortality, with seasonal variations potentially influencing both outcomes. While previous studies have suggested a pronounced association of the cold m...
LCC TENDOkluZmVjdGlvdXMgYW5kIHBhcmFzaXRpYyBkaXNlYXNlcw~~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Seasonal variations in some elements of the quality of the Tigris waters between Qaber Abd and al-Qayara
Artículo
Acceso abierto Artículo DOAJ
Taha Al-Tayyar et al · University of Mosul, College of Education for Pure Science · 2005 · ISSN 1812-125X
Surface water is the main source of water in Mosul city. Wastes including liquid and solid is finally reach the surface waters like rivers. As the length of the river increases, the utilization of the river water increas...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Seasonal variation, chemical composition and antimicrobial activity of essential oil of achyrocline satureoides (Lam.) D.C.
Artículo
Material complementario disponible Artículo SEDICI UNLP
Cezarotto, Verciane S. et al · SEDICI UNLP · 2011
Seasonal variation of the oil composition and biological activities from aerial parts of Achyrocline satureoides were investigated. Essential oils were analysed by gas crhromatography-mass spectrometry (GC-MS) after hydr...
Idioma en
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Variação estacional dos hormônios tireoideanos e do cortisol em ovinos em ambiente tropical Seasonal variation of thyroid hormones and cortisol of sheep in tropical environment
Artículo
Acceso abierto Artículo DOAJ
Josiane Maria Cardoso Starling et al · Sociedade Brasileira de Zootecnia · 2005 · ISSN 1516-3598
Foram estudadas as variações nas concentrações de cortisol e dos hormônios da tireóide de ovinos da raça Corriedale criados em ambiente tropical. Vinte e um ovinos (14 machos e sete fêmeas) foram mantidos em uma ...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Residual sexuality and its seasonal variation in natural apomictic Paspalum notatum accessions
Artículo
Acceso abierto Artículo CONICET Digital
Rebozzio, Romina Natalia et al · Springer · 2011 · ISSN 0006-3134
Traditionally, tetraploid Paspalum notatum was considered an obligate or a facultative apomict according to cytoembryological analyses. The degree of facultativeness was usually determined by the relative amount of matur...
Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Seasonal and Spatial Variation of PM10 in an Urban Area from Romania
Artículo
Acceso abierto Artículo DOAJ
MARIANA CARMELIA BĂLĂNICĂ DRAGOMIR et al · Vasyl Stefanyk Carpathian National University · 2019 · ISSN 2311-0155
The cyclic variance of PM10 mass concentration in the urban area in the South-East of Romania has been analysed in the article. SE of Romania is considered to be a territory which has medium level of pollution for a peri...
LCC TENDOkVkdWNhdGlvbg~~; TENDOkVjb25vbWljcyBhcyBhIHNjaWVuY2U~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Seasonal isothiocyanates variation and market availability of Brassicaceae species consumed in Mendoza
Artículo
Material complementario disponible Artículo DOAJ
Cecilia Mara Fusari et al · Facultad de Ciencias Agrarias. Universidad Nacional de Cuyo · 2019 · ISSN 0370-4661
Along with the recommendation of a healthy diet, it is suggested to increase the consumption of fruits and vegetables. Among the latter, Brassicaceae species are preferred, because they show many phytochemicals mainly be...
LCC LCC:Agriculture; TENDOkZvb2QgcHJvY2Vzc2luZyBhbmQgbWFudWZhY3R1cmU~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Seasonal and circadian variation of the sexual behavior of Morada Nova rams in tropical environment
Artículo
Acceso abierto Artículo DOAJ
Severino Guilherme Caetano Gonçalves dos Santos et al · Sociedade Brasileira de Zootecnia · 2015 · ISSN 1806-9290
The objective of this study was to evaluate the seasonal and daily variation in sexual behavior of Morada Nova breeders raised in the Brazilian semi-arid region. The data were collected from four rams and 114 ewes of the...
LCC LCC:Animal cultureIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Seasonal and spatial variations in limnological conditions of a floodplain lake (lake Catalão) connected to both the Solimões and Negro Rivers, Central Amazonia
Artículo
Acceso abierto Artículo DOAJ
Janaina Gomes de Brito et al · Instituto Nacional de Pesquisas da Amazônia · 2014 · ISSN 0044-5967
Lakes play an important role in biogeochemical, ecological and hydrological processes in the river-floodplain system. The aim of this study was to evaluate the dynamics of the limnological conditions of Catalão Lake, an...
LCC LCC:Science (General)Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Seasonal and geographic patterns of gastroschisis in Canada: protective effect of periconceptional sunlight exposure
Artículo
Material complementario disponible Artículo DOAJ
Shiliang Liu et al · Frontiers Media S.A · 2026 · ISSN 1664-2392
BackgroundGastroschisis is a right−sided, full−thickness defect with extra-amnionic herniation of abdominal contents directly into the amniotic cavity. The causes of gastroschisis remain obscure. We hypothesized that...
LCC LCC:Diseases of the endocrine glands. Clinical endocrinologyIdioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Seasonal diet shifts alter the gut microbiome and resistome of captive geriatric giant pandas (Ailuropoda melanoleuca)
Artículo
Acceso abierto Artículo DOAJ
Areeba Amir et al · BMC · 2026 · ISSN 1471-2180
Abstract The nutritional changes of giant pandas (Ailuropoda melanoleuca) in response to the seasonal variations from bamboo shoots (rich in proteins) to fibrous leaves trigger significant alterations in the structure an...
LCC TENDOk1pY3JvYmlvbG9neQ~~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Seasonal Dynamics and Source Fingerprinting of Urban PM2.5 Carbonaceous Aerosols in the North-Western Himalayas
Artículo
Material complementario disponible Artículo DOAJ
Konika Sharma et al · Springer · 2026 · ISSN 1680-8584
Abstract To explore spatio-temporal dynamics and source fingerprinting of carbonaceous aerosols (CAs), a systematic year-long study was conducted in the urban environment of Jammu region, North-Western Himalayas. PM2.5 s...
LCC TENDOlNjaWVuY2U~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Seasonal moisture sources and the isotopic composition of precipitation, rivers, and carbonates across the Andes at 32º-35.5°S
Artículo
Material complementario disponible Artículo CONICET Digital
Hoke, Gregory D. et al · American Geophysical Union · 2013 · ISSN 1525-2027
Constraining the influence of different moisture sources across the flanks of mountain ranges is important for understanding tectonic, geomorphic, and paleoclimate problems at geologic timescales, as well as evaluating c...
Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Spatial and temporal variation of primary production of Patagonian wet meadows
Artículo
Acceso abierto Artículo CONICET Digital
Buono, G. et al · Academic Press Ltd - Elsevier Science Ltd · 2010 · ISSN 1257-1261
In extra-Andean Patagonia, wet meadows contrast with the prevailing arid steppes, and present a gradient of water availability from the periphery to the center. The objectives of this paper are to describe the spatial an...
Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Elemental-enzymatic indicators of nutrient limitation in ombrotrophic peatlands across seasonal and spatial gradients
Artículo
Acceso abierto Artículo DOAJ
Shuaizhi Guo et al · SpringerOpen · 2026 · ISSN 2192-1709
Abstract Background Blanket bogs are rare ombrotrophic peatlands that function as important long-term carbon stores. Their persistence depends on strong nutrient limitation, which maintains Sphagnum dominance and suppres...
LCC TENDOkVjb2xvZ3k~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Variação espacial e temporal da precipitação no Estado do Pará Spatial and temporal variation of precipitation in the State of Pará
Artículo
Material complementario disponible Artículo DOAJ
Bergson Cavalcanti de Moraes et al · Instituto Nacional de Pesquisas da Amazônia · 2005 · ISSN 0044-5967
Estudos sobre a climatologia das precipitações no Estado do Pará são essenciais para o planejamento das atividades agrícolas. A variação da precipitação anual e sazonal no Estado do Pará foi analisada com base ...
LCC LCC:Science (General)Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Contribution to ionospheric F2 region long-term trend studies through seasonal and diurnal pattern analysis
Artículo
Acceso abierto Artículo CONICET Digital
Durán, Trinidad et al · Elsevier Science · 2023 · ISSN 0921-8181
The ionosphere´s long-term trends have been studied since 1989, with a particular focus on the F2 region´s parameters due to their importance in space weather and radio signal propagation research. The accuracy and att...
Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Intra-specific pelage color variation in a South American small rodent species
Artículo
Acceso abierto Artículo CONICET Digital
Sandoval Salinas, Maria Leonor et al · Instituto Internacional de Ecología · 2016 · ISSN 1519-6984
Intra-specific color variation is often underestimated by researchers, and among mammalian species, intra-specific differences in coloration are poorly documented for most species. The main goal of this study was to appl...
Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Light/darkness modulation of the hypothalamic-pituitary-ovarian axis in the plains vizcacha, Lagostomus maximus, a seasonal breeding species
Artículo
Acceso abierto Artículo CONICET Digital
Charif, Santiago Elías et al · Academic Press Inc Elsevier Science · 2025 · ISSN 0016-6480
Photoperiod is the main environmental signal that affects animal behavior and reproduction. Light stimulus is traduced by a neural pathway that modulates pineal gland melatonin release, which synchronizes physiologic fun...
Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
The Similarity Between the Seasonal Predictability and Persistence Barrier of ENSO Phenomenon
Artículo
Acceso abierto Artículo DOAJ
Dakuan Yu et al · Wiley · 2025 · ISSN 0094-8276
Abstract The seasonal Predictability Barrier (PRB) and Persistence Barrier (PEB) in the El Niño‐Southern Oscillation (ENSO) phenomenon are of recent interest, yet the distinction between the PRB in observations and PE...
LCC LCC:Geophysics. Cosmic physicsIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
A novel approach to assess livestock management effects on biodiversity of drylands
Artículo
Acceso abierto Artículo CONICET Digital
Chillo, María Verónica et al · Elsevier Science · 2015 · ISSN 1470-160X
In drylands livestock grazing is the main production activity, but overgrazing due to mismanagement is a major cause of biodiversity loss. Continuous grazing around water sources generates a radial gradient of grazing in...
Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access