نتایج جستجو برای: collapsibility index

تعداد نتایج: 396469  

2018
Zirui Zhai Yong Wang Hanqing Jiang

Origami has been employed to build deployable mechanical metamaterials through folding and unfolding along the crease lines. Deployable metamaterials are usually flexible, particularly along their deploying and collapsing directions, which unfortunately in many cases leads to an unstable deployed state, i.e., small perturbations may collapse the structure along the same deployment path. Here we...

Journal: :Discrete & Computational Geometry 2012
Jonathan Ariel Barmak Elias Gabriel Minian

We introduce the theory of strong homotopy types of simplicial complexes. Similarly to classical simple homotopy theory, the strong homotopy types can be described by elementary moves. An elementary move in this setting is called a strong collapse and it is a particular kind of simplicial collapse. The advantage of using strong collapses is the existence and uniqueness of cores and their relati...

Journal: :Anesthesiology 2009
Shiroh Isono

Collapsible pharyngeal airway size is determined by interaction between structural properties of the pharyngeal airway and neural regulation of the pharyngeal dilating muscles. Obesity seems to have two distinct mechanical influences on the pharyngeal airway collapsibility. First, obesity increases soft tissue surrounding the pharyngeal airway within limited maxillomandible enclosure occupying ...

Journal: :Journal of Combinatorial Theory, Series A 2020

Journal: :Journal of applied physiology 2006
R F Fregosi S F Quan W L Morgan J L Goodwin R Cabrera I Shareif K W Fridel R R Bootzin

There is evidence that narrowing or collapse of the pharynx can contribute to obstructive sleep-disordered breathing (SDB) in adults and children. However, studies in children have focused on those with relatively severe SDB who generally were recruited from sleep clinics. It is unclear whether children with mild SDB who primarily have hypopneas, and not frank apnea, also have more collapsible ...

Journal: :Discrete & Computational Geometry 2008

Journal: :Epidemiologic Perspectives & Innovations : EP+I 2009
Sander Greenland James M Robins

In 1986 the International Journal of Epidemiology published "Identifiability, Exchangeability and Epidemiological Confounding". We review the article from the perspective of a quarter century after it was first drafted and relate it to subsequent developments on confounding, ignorability, and collapsibility.

Journal: :Clinical science 2006
Wei Wang Eric Verin Frédéric Sériès

MB (mouth breathing) promotes the occurrence of sleep-disordered breathing even in non-apnoeic subjects. Considering that MO (mouth opening) contributes to an increase in UA (upper airway) collapsibility independently of MB, the aim of the present study was to assess the influence of breathing route on UA dynamics in the presence of MO. Bilateral anterior magnetic phrenic nerve stimulation was ...

2016
Elliot Long Ed Oakley Franz E Babl Trevor Duke

BACKGROUND Fluid bolus administration is widely recommended as part of the initial treatment of paediatric sepsis, though the physiological benefits and harms are unclear. The primary aim of this study is to determine the effect of fluid bolus administration on cardiac index (CI). Secondary aims are to determine the effect of fluid bolus administration on extra-vascular lung water (EVLW), wheth...

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