Results 51 to 60 of about 1,292,447 (383)

Perceived Concerns and Psychological Distress of Healthcare Workers Facing Three Early Stages of COVID-19 Pandemic

open access: yesFrontiers in Psychology, 2022
BackgroundThis study analyzed the difference in psychological distress of the healthcare workers in three different periods of the coronavirus disease 2019 (COVID-19) pandemic in Argentina.
María Cristina Richaud   +22 more
doaj   +1 more source

Relation of Federal Taxation to the Financing of Small Business [PDF]

open access: yes, 1945
Aims. To explore general practitioners’ (GPs’) descriptions of their thoughts and action when prescribing cardiovascular preventive drugs. Methods. Qualitative content analysis of transcribed group interviews with 14 participants from two primary health ...
Carl Edvard Rudebeck, Josabeth Hultberg
core   +5 more sources

Tracking Control Design Using Sliding Mode Techniques for Satellite Formation Flying [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2003
Satellite formation flying is currently an active area of research in the aerospace engineering. So it has been researched by various authors. In this study, a tracking controller using sliding mode techniques was designed to control a satellite for the ...
Hyung-Chu Lim   +3 more
doaj   +1 more source

Wetland vegetation changes in response to climate change and human activities on the Tibetan Plateau during 2000–2015

open access: yesFrontiers in Ecology and Evolution, 2023
The Tibetan Plateau (TP), known as the third pole, is the highest plateau in the world. It has numerous wetlands, which are important ecological security barriers and plays an important role in mitigating global climate change. This paper employed breaks
Yuhan Chen   +11 more
doaj   +1 more source

What makes up good consultations? A qualitative study of GPs' discourses [PDF]

open access: yes, 2013
Background: In medical literature, several principles that define 'good consultations' have been outlined. These principles tend to be prescriptive in nature, overlooking the complexity of general practitioners (GPs)' perspectives of everyday practice ...
Deveugele, Myriam   +2 more
core   +1 more source

Smartphone GPS accuracy study in an urban environment

open access: yesPLoS ONE, 2019
An iPhone 6 using the Avenza software for capturing horizontal positions was employed to understand relative positional accuracy in an urban environment, during two seasons of the year, two times of day, and two perceived WiFi usage periods.
K. Merry, P. Bettinger
semanticscholar   +1 more source

Reflexiones sobre los problemas de la innovación tecnológica en Colombia. Estudio desde el campo de la telemática

open access: yesRevista Ibero-Americana de Estudos em Educação, 2015
En la sociedad colombiana domina una tendencia a la transferencia de tecnología que se contrapone a la innovación y desarrollo tecnológico endógeno en el campo de telemática.
José Daniel Cabrera Cruz   +2 more
doaj   +3 more sources

Metodología para la implementación de un sistema de reconocimiento de objetos mediante técnicas de visión artificial aplicado a manipuladores robóticos

open access: yesIteckne, 2009
En el presente artículo, se realiza una breve descripción de una metodología implementada para el funcionamiento de de un sistema de visión artificial para la identificación de objetos, basado en criterios como la forma, el color y el tamaño.
Sergio Andrés zabala Vargas   +2 more
doaj   +1 more source

GPS monitoring of a steel box girder viaduct [PDF]

open access: yes, 2012
Structural performance monitoring of bridges has increased as major infrastructure ages and is required to sustain loads that are significantly greater than those predicted during design.
Brown, CJ, Ogundipe, O, Roberts, GW
core   +1 more source

Distribution of GPs in Scotland by age, gender and deprivation [PDF]

open access: yes, 2015
General practice in the UK is widely reported to be in crisis, with particular concerns about recruitment and retention of family doctors. This study assessed the distribution of GPs in Scotland by age, gender and deprivation, using routinely available ...
Blane, D.N., McLean, G., Watt, G.
core   +1 more source

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