نتایج جستجو برای: drift hazard curves

تعداد نتایج: 187797  

2013
Jayne Tierney David Fisher Sarah Burdett Lesley Stewart Mahesh Parmar

Background Trial design and conduct is informed by systematic reviews and meta-analyses (MAs). For time-to-event outcomes, they are typically based on hazard ratios (HRs). Ideally, these are calculated from individual patient data (IPD). Alternatively, they can be extracted from published aggregate data (AD) or estimated from other statistics or from Kaplan-Meier (KM) curves. As reporting and t...

2006
ERIC L. GEIST TOM PARSONS

Determining the likelihood of a disaster is a key component of any comprehensive hazard assessment. This is particularly true for tsunamis, even though most tsunami hazard assessments have in the past relied on scenario or deterministic type models. We discuss probabilistic tsunami hazard analysis (PTHA) from the standpoint of integrating computational methods with empirical analysis of past ts...

Recent investigations have shown that the influences of Soil-Structure Interaction (SSI) may be detrimental to the seismic response of structure, and hence neglecting this phenomenon in analysis and design may lead to an un-conservative design. The objective of this paper is to quantify the effects of nonlinear soil-structure interaction on the seismic response of a low-rise special moment fram...

Journal: :The European respiratory journal 2010
N A Hanania B Mannava A E Franklin B J Lipworth P A Williamson W J Garner B F Dickey R A Bond

occupational asthma. The area between the curves (ABC score) of peak expiratory flow on days at and away from work. Chest 2009; 135: 307–314. 4 Yan K, Salome C, Woolcock AJ. Rapid method for measurement of bronchial responsiveness. Thorax 1983; 38: 760–765. 5 Jarvis J, Seed MJ, Elton R, et al. Relationship between chemical structure and the occupational asthma hazard of low molecular weight org...

2011
Costas S. Xydeas Colin J. Brown

We consider the use of cubic Bézier curves for planning UAV routes. The proposed approach allows the user to trade off the length of the solution route with the level of risk/hazard exposure encountered. Exhaustive search is used to place control points on a 2D grid superimposed on the environment. High quality routes are generated using relatively course grids. Comparison is made with the grap...

2008
HOMA J. LEE

Evaluating the probability of tsunami occurrence is a crucial step in the assessment of tsunamis hazards. Deterministic tsunami hazard studies involve hydrodynamic modeling of tsunami propagation, runup, and inundation from a particular source, usually defined as the maximum credible earthquake, landslide, or another tsunami trigger. Scenario-based modeling such as this is useful in emergency p...

Journal: :IOP conference series 2023

Abstract Research on new seismic sources and data has already performed in 2016 to 2017. Four shallow crustal fault were observed surrounding the city of Semarang, capital Central Java Province, Indonesia. The parameters related with mechanism (reverse fault) maximum magnitude prediction (6.5 Mw) for each was also released based 2017 research. Following this research, structural evaluation espe...

Journal: :The Astrophysical Journal 2022

The Doppler shift of a radio signal is caused by the relative motion between transmitter and receiver. change in frequency over time called drift rate. In studies SETI (Search for Extraterrestrial Intelligence), extraterrestrial narrowband signals are expected to appear "chirped" since both exoplanet Earth moving. Such planet rotation orbital revolution around central star can cause non-zero Ot...

Journal: :Journal of building engineering 2021

The use of buckling restrained braces (BRBs) represents one the best solutions for retrofitting or upgrading numerous existing reinforced concrete framed buildings in areas with a high seismic hazard. This study investigates effectiveness BRBs retrofit (RC) masonry infills. For this purpose, an advanced non-linear three-dimensional model building L'Aquila is developed OpenSees, by accounting ef...

In statistics it is often assumed that sample observations are independent. But sometimes in practice, observations are somehow dependent on each other. Spatiotemporal data are dependent data which their correlation is due to their spatiotemporal locations.Spatiotemporal models arise whenever data are collected across bothtime and space. Therefore such models have to be analyzed in termsof thei...

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