Results 21 to 30 of about 439,396 (250)
Prevalência e fatores associados a acidentes de trabalho em zona rural
Revista de Saúde Pública, 2001 OBJETIVO: Investigar a ocorrência de acidentes do trabalho, na zona rural, e sua associação com alguns fatores de risco. MÉTODOS: O estudo foi realizado na zona rural do município de Pelotas, RS.
Marta Fernanda Fehlberg +2 more
doaj +3 more sources
LEVELS OF ALCOHOL CONSUMPTION IN UNIVERSITY STUDENTS IN THE NORTHERN REGION OF PORTUGAL
Cogitare Enfermagem, 2020 Objetivo: apresentar prevalência e níveis de consumo de álcool em estudantes universitários da zona norte de Portugal. Método: estudo descritivo-correlacional, quantitativo, transversal, tipo “bola de neve”, desenvolvido entre fevereiro e março de 2019,
Maria Teresa Ferreira Moreira +3 more
doaj +1 more source
Boletín de Ciencias de la Tierra, 2023 En este artículo se presentan perfiles geomorfológicos complejos que incluyen diferentes índices geomorfológicos, los cuales se localizan en la zona norte de la Ciudad de Chilpancingo, Guerrero-México, en los límites de las subcuencas del río Huacapa y ...
Elizabeth Núñez-Carachure +2 more
doaj +1 more source
Specific cutting energy consumption in a circular saw for eucalyptus stands WM01 and MN463 [PDF]
, 2011 Modern technologies for continuous carbonization of Eucalyptus sp. require special care in wood cutting procedures. Choosing the right tool, cutting speeds and feed rates is important to manage time and energy consumption, both of which being critical ...
Gomes Gontijo, Thiago +5 more
core +2 more sources
Revista Científica Especialidades Odontológicas UG, 2023 Objetivo: Determinar la prevalencia de necrosis pulpar en pacientes de 20 a 40 años de edad atendidos en el Ministerio de Salud Pública zona 7 del Ecuador durante el periodo 2017-2020. Establecer la distribución de la muestra según la edad, el sexo y la
Ian Cuestas Hurtado +3 more
doaj +1 more source
Journal of South American Earth Sciences, 2011 Abstract The Borborema Province has three major subprovinces. The northern subprovince lies north of the Patos shear zone and is comprised of Paleoproterozoic cratonic basement with Archean nuclei, plus overlying Neoproterozoic supracrustal rocks and Brasiliano plutonic rocks.
Department of Geology, University of Kansas, Lawrence, KS 66045, USA ( host institution ) +3 more
openaire +2 more sources
On the experimental determination of the one-way speed of light
, 2011 In this contribution the question of the isotropy of the one-way speed of light from an experimental perspective is addressed. In particular, we analyze two experimental methods commonly used in its determination.
Cedarholm J P +13 more
core +1 more source
Los tipos de vegetación de México y su clasificación
Botanical Sciences, 1963 México posee una de las floras más variadas de América, debido a la circunstancia de encontrarse situado su territorio entre la zona templada del Norte y la zona tropical con bastante considerable extensión de zona sub-tropical.
Faustino Miranda, Efraim Hernández-X.
doaj +1 more source
Tecnología en Marcha, 2022 Se presenta el estudio de variabilidad de longitud, diámetro total, diámetro del lumen, espesor de pared y fracción de pared de las traqueidas de Pinus caribaea var.
Gabrialy Márquez-Carrero +4 more
doaj +1 more source
The Geology as an indispensable tool for optimizing the exploration of dimension Stones [PDF]
, 2012 Like any Geological Resource, the Dimension Stones can only be exploited where they occur. How they occur is a reflection of geological history that presided over its formation.
Lopes, Luís
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