Results 11 to 20 of about 81,934 (197)

Large Igneous Province Record Through Time and Implications for Secular Environmental Changes and Geological Time‐Scale Boundaries

open access: yesGeophysical Monograph Series, Page 1-26., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Richard E. Ernst   +8 more
wiley  

+4 more sources

Del tigre de la ira al tigre del ensueño: William Blake y Jorge Luis Borges

open access: yesRevista de Filología y Lingüística de la Universidad de Costa Rica, 2004
Si bien la crítica tiende a atribuir características negativas inherentes al tigre poetizado por William Blake, en el caso de Jorge Luis Borges el péndulo oscila hacia el lado opuesto. Aunque Borges tiene presente en su obra "el tigre de la ira" de Blake,
Rafael Cabañas Alamán
doaj   +1 more source

Fifteen years in the high-energy life of the solar-type star HD 81809. XMM-Newton observations of a stellar activity cycle [PDF]

open access: yes, 2017
Aims. The data set of the long-term XMM-Newton monitoring program of HD 81809 is analyzed to study its X-ray cycle, to investigate if the latter is related to the chromospheric one, to infer the structure of the corona of HD 81809, and to explore if the ...
Favata, F.   +7 more
core   +2 more sources

Anemia, hipovitaminose A e insegurança alimentar em crianças de municípios de Baixo Índice de Desenvolvimento Humano do Nordeste do Brasil Anemia, hypovitaminosis A and food insecurity in children of municipalities with Low Human Development Index in the Brazilian Northeast

open access: yesRevista Brasileira de Epidemiologia, 2010
Determinar a prevalência de anemia e hipovitaminose A e analisar a associação da (in)segurança alimentar com os níveis de hemoglobina e retinol sérico de menores de 5 anos.
Juliana Souza Oliveira   +6 more
doaj   +1 more source

Terrestrial mammal community richness and temporal overlap between tigers and other carnivores in Bukit Barisan Selatan National Park, Sumatra

open access: yesAnimal Biodiversity and Conservation, 2020
Riqueza de la comunidad de mamíferos terrestres y solapamiento temporal entre el tigre y otros carnívoros en el Parque Nacional Bukit Barisan Selatan, Sumatra Debido a la pérdida rápida y generalizada de biodiversidad en todo el mundo, es importante ...
M. L. Allen   +3 more
doaj   +1 more source

Religion and modernity in Spain: religious experience in the novels of Ramón Pérez de Ayala [PDF]

open access: yes, 2011
While Ramón Pérez de Ayala is widely regarded as a leading liberal with strong anti-Catholic and indeed anti-religious views, a close examination of his novels reveals a more ambivalent attitude to religious experience.
Macklin, J.
core   +1 more source

Registros paleógenos de glyptodontidae propalaehoplophorinae (xenarthra, cingulata) en áreas extrapatagónicas [PDF]

open access: yes, 2016
Los registros paleógenos de Cingulata Glyptodontidae son muy escasos y los mejores conocidos provienen de la actual región patagónica de Argentina. Dos subfamilias han sido descritas: Glyptatelinae y Propalaehoplophorinae.
Cuaranta, Pedro   +5 more
core   +3 more sources

First Case Report of Primary Carnitine Deficiency Manifested as Intellectual Disability and Autism Spectrum Disorder

open access: yesBrain Sciences, 2019
Systemic primary carnitine deficiency (PCD) is a genetic disorder caused by decreased or absent organic cation transporter type 2 (OCTN2) carnitine transporter activity, resulting in low serum carnitine levels and decreased carnitine accumulation inside ...
José Guevara-Campos   +3 more
doaj   +1 more source

Development of CZT strip detector modules for 0.05- to 1-MeV gamma-ray imaging and spectroscopy [PDF]

open access: yes, 2003
We report progress in our study of cadmium zinc telluride (CZT) strip detectors featuring orthogonal coplanar anode contacts. We specifically report on the performance, characterization and stability of 5 and 10 mm thick prototype CZT detectors ...
  +10 more
core   +2 more sources

ELABORAÇÃO DE UM MATERIAL EDUCATIVO PARA PROFISSIONAIS DA ATENÇÃO BÁSICA SOBRE PROMOÇÃO DA SAÚDE DO IDOSO

open access: yesSaberes Plurais, 2022
O envelhecimento populacional ocorre de modo acelerado no Brasil, caracterizado por uma transição epidemiológica, com destaque para as doenças crônicas. A pandemia de COVID-19 deixou esse contexto ainda mais complexo.
Xavéle Braatz Petermann   +3 more
doaj   +4 more sources

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