El sistema ionosférico se analiza y se modela usando la técnica tomográfica, formulada en tres segmentos: el sistema de adquisición de datos ionosféricos, el modelo y el algoritmo de reconstrucción. Los límites de resolución del sistema se analizan, seguido de…

Most research articles on paleomagnetism and rock-magnetism published since 1967 use vector component diagrams (known as Zijderveld diagrams) to describe and investigate the directional stability and intensity decay of remanent magnetization during standard laboratory demagnetization. The understanding of modern paleomagnetism,…

Nowadays the vertiginous flow of information and knowledge brought about the need for resources and tools to deal with the complexity of such data. From this perspective, we are witnessing today, the concern not only to produce knowledge, but how…

Este artículo presenta los resultados de las características acústicas de algunas de las principales plazas hundidas de los siguientes sitios arqueológicos del estado de Guanajua­to: Cañada de la Virgen, El Cóporo, Peralta y Plazuelas. Utilizando una fuente de sonido operando…

The Valle de Santiago area of the Michoacán-Guanajuato volcanic field is characterized by a 7 km by 50 km NNW-SSE trending cluster of 20 maars, 13 in a smaller sub-area. This volcanic lineament may be associated with a pre-existing fault…

This paper, while focusing on a historical-structural context of a school hospital, describes the process of implementing the Group for Research in Nursing (NUPE), a research consulting service at a school hospital, highlighting its performance and identifying structural and educational…

Pain is a multidimensional phenomenon that results from the interrelation between sensitive, emotional and cultural aspects. It is also a social construction, considered that each society has a pain culture in a given moment and historical perspective. The objective of…

The “Baby-Friendly Hospital Initiative” is a worldwide strategy endorsed by the World Health Organization and by the United Nations Children’s Fund to promote, protect and support breastfeeding through hospital actions known as “10 Steps to successful breastfeeding”. The aim of…

An epidemiologic description of adult patients with HIV/AIDS at the University Hospital of Londrina-PR, from 2002 to 2006, based on the analysis of 497 medical records. Guided by a previously designed instrument, regarding demographic data research reveals considerable prevalence of…

The precariousness of professional education of nurses is an issue that follows the history of Psychiatry and Psychiatric Nursing since the inauguration of the first Brazilian psychiatric hospital. Since the sixties, professors were concerned regarding methodology in Psychiatric Nursing. This…