Results 11 to 20 of about 12,947,219 (281)

Tools & Techniques - Statistics: Propensity score techniques [PDF]

open access: yesEuroIntervention, 2014
Propensity score (PS) techniques are useful if the number of potential confounding pretreatment variables is large and the number of analysed outcome events is rather small so that conventional multivariable adjustment is hardly feasible. Only pretreatment characteristics should be chosen to derive PS, and only when they are probably associated with ...
Da Costa, Bruno R   +2 more
openaire   +3 more sources

La science à la cour de Versailles : mise en scène du savoir et démonstration du pouvoir (XVIIe-XVIIIe siècles)

open access: yesCahiers d’histoire, 2017
Espace spectaculaire de l’affirmation du pouvoir royal, la cour de Versailles est aussi un lieu de science. Le château a bénéficié des apports de la science géodésique et les jeux d’eau ont mobilisé des connaissances mécaniques majeures. L’implication du
Jérôme Lamy
doaj   +1 more source

Surgery for Anomalous Aortic Origin of Coronary Arteries: Technical Safeguards and Pitfalls

open access: yesFrontiers in Cardiovascular Medicine, 2021
Anomalous aortic origin of a coronary artery (AAOCA) is reported as the second leading cause of sudden cardiac death in otherwise healthy young individuals.
Massimo A. Padalino   +5 more
doaj   +1 more source

Early surgery for ruptured cerebral aneurysms: technical note Cirurgia precoce para aneurismas cerebrais rotos: nota técnica

open access: yesArquivos de Neuro-Psiquiatria, 2007
We describe a collection of techniques to be considered in the early clipping of ruptured cerebral aneurysms located in the anterior circulation when dealing with the swollen red and scaring brain many times found after craniotomy.Descrevemos uma coleção
Rafael de Oliveira Sillero   +3 more
doaj   +1 more source

Enhancement of reliability in condition monitoring techniques in wind turbines [PDF]

open access: yes, 2019
The majority of electrical failures in wind turbines occur in the semiconductor components (IGBTs) of converters. To increase reliability and decrease the maintenance costs associated with this component, several health-monitoring methods have been ...
Dinh, Truong Quang   +5 more
core   +1 more source

SS 433 Optical Flares: A New Analysis Reveals Their Origin in L2 Overflow Episodes

open access: yesGalaxies, 2021
The microquasar SS 433 exhibits in Hα intermittent flares. A sequence of observations made in 2004 showed flaring Doppler shifted to both the red and the blue simultaneously.
Michael Bowler
doaj   +1 more source

Blood Protein Binding of Cyclosporine in Transplant Patients [PDF]

open access: yes, 1987
The objective of this study was to compare the binding of cyclosporine to blood proteins between four healthy subjects and five liver and eight renal transplant patients.
Garrett   +9 more
core   +1 more source

WHAT IT TAKES TO DO THE DOUBLE JAEGER ON THE HIGH BAR?

open access: yesScience of Gymnastics Journal, 2011
Nowadays, the Jaeger (forward salto behind the bar to regrasp) is seen as a basic flight element, already taught early in a gymnast’s career. Acknowledging, that gymnasts have made advances in the development of new techniques on the high bar, the aim ...
Thomas Heinen   +5 more
doaj   +1 more source

Ecosystem Services of Ecosystem Approach to Mariculture: Providing an Unprecedented Opportunity for the Reform of China’s Sustainable Aquaculture

open access: yesFrontiers in Marine Science, 2022
China is the biggest provider of mariculture products, and the industry is still growing rapidly. Increasing scientific evidence indicates that mariculture may provide valuable ecosystem goods and services in China.
Xijie Zhou   +5 more
doaj   +1 more source

Explorer le monde avec application

open access: yesRevue d'anthropologie des connaissances, 2017
When we use a smartphone as we move about, we see our surroundings in a different way, adopting new practices to combine physical exploration of place with digital navigation on the Web.
Cédric Calvignac, Jan Smolinski
doaj   +1 more source

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