نتایج جستجو برای: dwell time
تعداد نتایج: 1892619 فیلتر نتایج به سال:
OBJECTIVE To determine whether the daily risk of central line-associated bloodstream infections (CLABSIs) increases over the dwell time of peripherally inserted central catheters (PICCs) in high-risk neonates. METHODS Multicenter retrospective cohort including NICU patients with a PICC inserted between January 2005 and June 2010. We calculated incidence rates and used Poisson regression model...
Fluent event processing appears to critically involve selectively attending to information-rich junctures within continuously unfolding sensory streams (e.g., Newtson, 1973). What counts as information-rich would seem to depend on a variety of factors, however, including the novelty/familiarity of such events, as well as local opportunity for repeated viewings. Using Hard, Recchia, & Tversky’s ...
Teletraffic characteristics of a mobile packet communication network, which supports mobile Internet, were quantitatively evaluated by using a terminal migration model in which the cell dwell time possesses self-similarity. I used a migration model in which the migration speed of the terminal is determined by the density of the dwell terminals in a cell (determined from measured vehicular mobil...
The kinetics of triplex folding/unfolding is investigated by the single-molecule fluorescence resonance energy transfer (FRET) technique. In neutral pH conditions, the average dwell times in both high-FRET (folded) and low-FRET (unfolded) states are comparable, meaning that the triplex is marginally stable. The dwell-time distributions are qualitatively different: while the dwell-time distribut...
This paper explores dwell time constraints on switched systems with multiple, possibly disparate invariant limit sets. We show that, under suitable conditions, trajectories globally converge to a superset of the limit sets and then remain in a second, larger superset. We show the effectiveness of the dwell-time conditions by using examples of switching limit cycles commonly found in robotic loc...
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