NUMERICAL ANALYSIS OF ANTISEISMIC SLIDING BELT PERFORMANCE

NUMERICAL ANALYSIS OF ANTISEISMIC SLIDING BELT PERFORMANCE

One of the effective methods for ensuring seismic resistance of buildings and structures located in seismic-prone areas is the use of an active seismic protection system.The most common at present is an active seismic protection system based on seismic isolation.Seismic isolations in the form of rubber-metal (RMB) and pendulum sliding bearings (PSB

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Rasch analysis of the Persian version of PedsQLTM Oral Health Scale: further psychometric evaluation on item validity including differential item functioning

Background: The study aimed to further evaluate the psychometric properties of one recently developed oral health related quality of life (OHRQoL) instrument (PedsQL Oral Health Scale),including student self-report and parent-proxy report.Specifically, we tested the item validity,threshold order, local dependency, and differential item functioning

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