Millones y millones de litros de combustibles liquidos, atmosferas colmadas de gases como el acid... more Millones y millones de litros de combustibles liquidos, atmosferas colmadas de gases como el acido sulfhidrico, monoxido de carbono y gas licuado de petroleo, energias almacenadas en cantidades devastadoras hacen de la industria del petroleo una de las mas peligrosas del planeta, convierten en critico a cualquier trabajo realizado en las instalaciones de exploracion, perforacion, extraccion, distribucion, almacenamiento y refinacion del petroleo. En este caso analizaremos puestos de trabajo de personal que realiza tareas de construccion y mantenimiento de instalaciones petroliferas de los procesos intermedios del petroleo (midstream) el trabajo profundizara deteccion y control de riesgos de incendios y explosiones, metodos de separacion de atmosfera, aislacion de materiales potencialmente combustibles, caracteristicas de los equipos y herramientas aptos, pero sobre todo las “barreras fisicas y administrativas” de comprobacion y mitigacion de riesgos previas y durante cada operacion.
To analyze the prevalence of body dissatisfaction in college students of different majors, as wel... more To analyze the prevalence of body dissatisfaction in college students of different majors, as well as the relationship with gender and nutritional status. The sample was composed of college students from the Federal University of Juiz de Fora (UFJF) of several different majors. The Body Shape Questionnaire (BSQ) and the Silhouette Scale for Adults assessed body dissatisfaction. Self-referred body mass and height were used to calculate the body mass index (BMI). For the statistical analysis, association, comparison, and logistic regression tests were performed. Among the 535 students, with average age of 20.82±3.03 years old, 245 were male. The BSQ average score was 68.00±28.74, being 88.9% of the subjects free from dissatisfaction. Nevertheless, according to the silhouette scale, 76.6% were found to be dissatisfied. The students of Life Sciences and Humanities were, insignificantly, more dissatisfied than the Exact Sciences students. Women, when compared to men (p<0,05) and those...
Philosophical Transactions of the Royal Society B: Biological Sciences, 2014
Marine ecosystems can experience regime shifts, in which they shift from being organized around o... more Marine ecosystems can experience regime shifts, in which they shift from being organized around one set of mutually reinforcing structures and processes to another. Anthropogenic global change has broadly increased a wide variety of processes that can drive regime shifts. To assess the vulnerability of marine ecosystems to such shifts and their potential consequences, we reviewed the scientific literature for 13 types of marine regime shifts and used networks to conduct an analysis of co-occurrence of drivers and ecosystem service impacts. We found that regime shifts are caused by multiple drivers and have multiple consequences that co-occur in a non-random pattern. Drivers related to food production, climate change and coastal development are the most common co-occurring causes of regime shifts, while cultural services, biodiversity and primary production are the most common cluster of ecosystem services affected. These clusters prioritize sets of drivers for management and highlig...
Millones y millones de litros de combustibles liquidos, atmosferas colmadas de gases como el acid... more Millones y millones de litros de combustibles liquidos, atmosferas colmadas de gases como el acido sulfhidrico, monoxido de carbono y gas licuado de petroleo, energias almacenadas en cantidades devastadoras hacen de la industria del petroleo una de las mas peligrosas del planeta, convierten en critico a cualquier trabajo realizado en las instalaciones de exploracion, perforacion, extraccion, distribucion, almacenamiento y refinacion del petroleo. En este caso analizaremos puestos de trabajo de personal que realiza tareas de construccion y mantenimiento de instalaciones petroliferas de los procesos intermedios del petroleo (midstream) el trabajo profundizara deteccion y control de riesgos de incendios y explosiones, metodos de separacion de atmosfera, aislacion de materiales potencialmente combustibles, caracteristicas de los equipos y herramientas aptos, pero sobre todo las “barreras fisicas y administrativas” de comprobacion y mitigacion de riesgos previas y durante cada operacion.
To analyze the prevalence of body dissatisfaction in college students of different majors, as wel... more To analyze the prevalence of body dissatisfaction in college students of different majors, as well as the relationship with gender and nutritional status. The sample was composed of college students from the Federal University of Juiz de Fora (UFJF) of several different majors. The Body Shape Questionnaire (BSQ) and the Silhouette Scale for Adults assessed body dissatisfaction. Self-referred body mass and height were used to calculate the body mass index (BMI). For the statistical analysis, association, comparison, and logistic regression tests were performed. Among the 535 students, with average age of 20.82±3.03 years old, 245 were male. The BSQ average score was 68.00±28.74, being 88.9% of the subjects free from dissatisfaction. Nevertheless, according to the silhouette scale, 76.6% were found to be dissatisfied. The students of Life Sciences and Humanities were, insignificantly, more dissatisfied than the Exact Sciences students. Women, when compared to men (p<0,05) and those...
Philosophical Transactions of the Royal Society B: Biological Sciences, 2014
Marine ecosystems can experience regime shifts, in which they shift from being organized around o... more Marine ecosystems can experience regime shifts, in which they shift from being organized around one set of mutually reinforcing structures and processes to another. Anthropogenic global change has broadly increased a wide variety of processes that can drive regime shifts. To assess the vulnerability of marine ecosystems to such shifts and their potential consequences, we reviewed the scientific literature for 13 types of marine regime shifts and used networks to conduct an analysis of co-occurrence of drivers and ecosystem service impacts. We found that regime shifts are caused by multiple drivers and have multiple consequences that co-occur in a non-random pattern. Drivers related to food production, climate change and coastal development are the most common co-occurring causes of regime shifts, while cultural services, biodiversity and primary production are the most common cluster of ecosystem services affected. These clusters prioritize sets of drivers for management and highlig...
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