Zobrazeno 1 - 10
of 4 021
pro vyhledávání: '"Entrant"'
Autor:
Gesa von Olshausen, MD, Nikola Drca, MD, PhD, Astrid Paul-Nordin, MD, PhD, Tara Bourke, MD, Hamid Bastani, MD, PhD, Serkan Saygi, MD, Emma Svennberg, MD, PhD, Finn Åkerström, MD, Ott Saluveer, MD, PhD, Mats Jensen-Urstad, MD, PhD, Frieder Braunschweig, MD, PhD
Publikováno v:
Heart Rhythm O2, Vol 5, Iss 8, Pp 538-542 (2024)
Background: Atrioventricular nodal re-entrant tachycardia (AVNRT) is the most common paroxysmal supraventricular tachycardia. We sought to investigate the incidence of atrial fibrillation in patients with electrophysiologically confirmed/ablated AVNR
Externí odkaz:
https://doaj.org/article/7c72d42f589f44ab9747897179503181
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 17, Iss 9, Pp 1993-2004 (2024)
In order to investigate the influence of plasma actuation on cavitation in the flow field around a hydrofoil, the RNG k-ε turbulence model with density correction, the Schnerr–Sauer cavitation model, and the plasma phenomenological model were used
Externí odkaz:
https://doaj.org/article/6e7adf1a257144c09b4dbcc570a0f06f
Publikováno v:
Ultrasonics Sonochemistry, Vol 111, Iss , Pp 107074- (2024)
Hydrofoils, as fundamental components of hydraulic machinery, directly influence the performance of such machinery. This study conducted an analysis of the cavitation characteristics of hydrofoils at a + 4° angle of attack under various cavitation n
Externí odkaz:
https://doaj.org/article/bcdb6c6a2b2d480aa1dbbdb471798cbc
Publikováno v:
Next Materials, Vol 5, Iss , Pp 100208- (2024)
In this work, the mesomorphic, electro-optic and dielectric properties have been discussed in the light of molecular structure-property correlations of two chiral multilactate liquid crystalline materials possessing the orthogonal paraelectric Smecti
Externí odkaz:
https://doaj.org/article/c856efd6f62c430591c8f1d5426dd566
Autor:
Charanpreet Sidhu, Zeinab El-Sayegh
Publikováno v:
Geotechnics, Vol 4, Iss 2, Pp 549-563 (2024)
This study explores the development of a terramechanics-based model for non-pneumatic tire–terrain interaction, focusing on different spoke designs. The research investigates how four spoke shapes (honeycomb, modified honeycomb, re-entrant honeycom
Externí odkaz:
https://doaj.org/article/e768830a13064e0b88a64f072d61b3d9
Autor:
Mahmoud Khedr, Hassan Elshokrofy, Aki-Petteri Pokka, Atef Hamada, Matias Jaskari, Aappo Mustakangas, Antti Järvenpää, Abdelkader Ibrahim, Mahmoud Elsamanty
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 8805-8814 (2024)
Auxetic structures, characterized by showing negative Poisson's ratio (ʋ) when loaded, are cellular metamaterials consisting of connected struts in repeating unit cells. The mechanical behavior of auxetics depends on dimensions of the unit cell such
Externí odkaz:
https://doaj.org/article/373a8aa921274b0c9aacd010500052b9
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 7328-7339 (2024)
This paper introduces a nested sinusoidal re-entrant (NSR) metamaterial characterized by tunable complete bandgaps (CBGs) and dynamic responsiveness in thermal-mechanical dual fields. NSR comprises shape memory polymer and features a sinusoidal modif
Externí odkaz:
https://doaj.org/article/d0f8dd41a5cc450bbe00aa493b984dc7
Autor:
Javier Pinos, Diego Serrano Piedra
Publikováno v:
International Journal of Arrhythmia, Vol 25, Iss 1, Pp 1-4 (2024)
Abstract A 16-year-old man presented with short VA supraventricular tachycardia and 2:1 atrioventricular ratio. The correct maneuvers allowed us to guide not only the mechanism but also the probable location of the atrioventricular block.
Externí odkaz:
https://doaj.org/article/3421636dc84b4f3b9a871c98076bb047
Autor:
Jahanvi Suthar, Sharadkumar Purohit
Publikováno v:
Advances in Civil and Architectural Engineering, Vol 15, Iss 28, Pp 15-32 (2024)
The fundamental natural period of oscillation is a critical parameter in evaluating the design base shear of buildings. Worldwide seismic design codes typically employ height-based empirical formulas to estimate this period for various building categ
Externí odkaz:
https://doaj.org/article/a1a6c2f57fd94b4c99d78f4255de58ea
Autor:
Višić Josipa
Publikováno v:
Strategic Management, Vol 29, Iss 1, Pp 5-15 (2024)
Background: Socio-demographic changes increase the need for long-term elderly care. Consequently, providing formal institutional service in elderly care homes is an interesting opportunity for entrepreneurs. However, the entry strategy decision is in
Externí odkaz:
https://doaj.org/article/168b387b856740e6ba5b862c8cc2064d