نتایج جستجو برای: peak floor acceleration pfa

تعداد نتایج: 218616  

Journal: :Journal of Structural Engineering-asce 2021

An innovative structural modification, top-story softening, is herein proposed in conjunction with an optimally tuned top-floor mass damper inerter (TMDI) for improved serviceability performance typical core-frame slender buildings rectangular floor plan susceptible to wind-induced vortex shedding (VS) effects causing occupant discomfort. This supported through formulating a novel optimal TMDI ...

Journal: :Journal of applied biomechanics 2006
Adriana M Holmes David M Andrews

The purpose of this research was to examine the effects of voluntarily manipulating muscle activation and localized muscle fatigue on tibial response parameters, including peak tibial acceleration, time to peak tibial acceleration, and the acceleration slope, measured at the knee during unshod heel impacts. A human pendulum delivered consistent impacts to 15 female and 15 male subjects. The tib...

Journal: :Journal of Physics: Conference Series 2020

Journal: :Applied sciences 2023

Peak ground acceleration (PGA) prediction is of great significance in the seismic design engineering structures. Machine learning a new method to predict PGA and does have some advantages. To establish explainable models PGA, 3104 sets uphole downhole records collected by KiK-net Japan were used. The feature combinations that make perform best selected through selection. peak bedrock (PBA), pre...

2007
P. B. Catlin Gale McGranahan

Evaluation of the pistillate flower abscission (PFA) potential of UC-67-13 and UC-67-11 was continued at two sites. At a high PFA site UC-67-13 PFA was only moderately lower than Serr for the third year. UC-67-11 demonstrated low PFA potential for a seconq year at this site. Higher PFA potential of UC-67-13 than UC-67 -11 was also found at a second site for a second year. No further evaluation ...

Journal: :Heart Rhythm 2023

Pulsed field ablation (PFA) is a non-thermal ablative strategy that achieves cell death via electroporation. We investigated the durability of PFA lesions using 2 novel PFA/mapping catheters (CRC EP Inc, San Jose, CA) at repeat studies performed 3 months post-ablation. In total, 16 pulsed applications were delivered in swine under general anesthesia absence paralytic agents, including: 1 applic...

Journal: :The Journal of biological chemistry 1987
M Szczepanska-Konkel A N Yusufi T P Dousa

Since phosphonoformic acid (PFA) acts as a specific competitive inhibitor of Na+-Pi co-transport across renal brush-border membrane (BBM), we employed the [14C]PFA as a probe to determine the mechanism of its interaction with rat renal BBM. The binding of [14C]PFA to BBM vesicles (BBMV), with Na+ present in extravesicular medium (Na+o), was time- and temperature-dependent. The replacement of Na...

Journal: :Accident; analysis and prevention 2009
Alejandro Palacio Giuseppe Tamburro Desmond O'Neill Ciaran K Simms

Public transport is a potentially important part of independent living for older people, but they are over-represented in non-collision bus injuries. This paper reports on a computational modelling approach to addressing this problem: the Madymo human model validated for simulating passive, seated vehicle occupants was adapted to simulate a standing passenger in an accelerating bus. The force/d...

2016
Alison Schafer Leslie Snider Rania Sammour

Psychological First Aid (PFA) is the recommended immediate psychosocial response during crises. As PFA is now widely implemented in crises worldwide, there are increasing calls to evaluate its effectiveness. World Vision used PFA as a fundamental component of their emergency response following the 2014 conflict in Gaza. Anecdotal reports from Gaza suggest a range of benefits for those who recei...

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