Results 31 to 40 of about 1,446,324 (295)
Applied Sciences, 2022 Background: Although elevation of the sinus can be considered a predictable procedure, it is nonetheless not free of complications, for which reason there is a constant search for new tools and techniques that may reduce these complications.
Erick Rafael Fernández Castellano +2 more
doaj +1 more source
Comparative Analysis of Resident Space Object (RSO) Detection Methods
Sensors, 2023 In recent years, there has been a significant increase in satellite launches, resulting in a proliferation of satellites in our near-Earth space environment. This surge has led to a multitude of resident space objects (RSOs).
Vithurshan Suthakar +3 more
doaj +1 more source
, 2010 The first science flight of the balloon-borne \Sunrise telescope took place in June 2009 from ESRANGE (near Kiruna/Sweden) to Somerset Island in northern Canada.
A. Feller +62 more
core +4 more sources
Transcatheter Aortic Valve-in-Valve Implantation Complicated by Aorto-Right Ventricular Fistula
JACC: Case Reports, 2020 We describe the case of a degenerative, sutureless bioprosthetic valve (BPV) with deformation and stent infolding in a patient with elevated surgical risk.
Tiffany Patterson, MBBS, PhD +7 more
doaj +1 more source
Annals of Pediatric Cardiology, 2021 Background : Balloon-expandable pulmonary valves are usually not suitable for dilated native outflow tracts. Methods : Indian Venus P-valve registry was retrospectively analyzed for efficacy, complications, and midterm outcomes.
Kothandam Sivakumar +8 more
doaj +1 more source
Cardiology Research and Practice, 2020 Background. Primary percutaneous coronary intervention (PCI) is the best available reperfusion strategy in patients with acute ST-segment elevation myocardial infarction (STEMI).
Jun Gu +14 more
doaj +1 more source
FIREBALL: Instrument pointing and aspect reconstruction [PDF]
, 2010 The Faint Intergalactic Redshifted Emission Balloon (FIREBALL) had its first scientific flight in June 2009. The instrument is a 1 meter class balloon-borne telescope equipped with a vacuum-ultraviolet integral field spectrograph intended to detect ...
Chave, Robert G. +11 more
core +1 more source
BLAST Autonomous Daytime Star Cameras [PDF]
, 2006 We have developed two redundant daytime star cameras to provide the fine pointing solution for the balloon-borne submillimeter telescope, BLAST. The cameras are capable of providing a reconstructed pointing solution with an absolute accuracy < 5 ...
Chapin, Edward +6 more
core +2 more sources
The case of the oscillating party balloon: A simple toy experiment requiring a not-so-simple interpretation [PDF]
, 2007 The intriguing midair oscillations of a party balloon, which occur once its buoyancy is no longer capable of keeping it against the ceiling, is shown to require a rather sophisticated explanation in terms of variable-mass dynamics.
Crosignani, Bruno +3 more
core +1 more source
Stationary solution of the ring-spinning balloon in zero air drag using a RBFN based mesh-free method [PDF]
, 2010 A technique for numerical analysis of the dynamics of the ring-spinning balloon based on the Radial Basis Function Networks (RBFNs) is presented in this paper.
Fraser, W. Barrie +2 more
core +2 more sources