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건물화재의 플래시오버 도달 시간에 영향을 미치는 인자들에 관한 연구
김형진(Hyeong-Jin Kim),데이비드 릴리(David G. Lilley),백병준(Byung Joon Baek),박복춘(Bockchoon Pak) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.4
In structural fires, flashover is characterized by the rapid transition in fire behavior from localized burning<br/> of fuel to the involvement of all combustibles in the enclosure. An investigation of parameter effects on the<br/> time to reach flashover conditions in a typical single room fire is undertaken using a zone method (FAST) and<br/> Thomas method. Major parameters affecting the time to reach flashover are found to be fire growth rate,<br/> ventilation opening area and internal room surface. The results of the FAST and the Thomas Method give very<br/> similar results of the time to reach flashover..
Reza Vazirinejad,Javad Joorian,Mohammad Mohsen Taghavi,Jeanette M. Lilley,Ahmad Reza Sayadi Anari 대한신경과학회 2015 Journal of Clinical Neurology Vol.11 No.2
Background and Purpose Te aim of this study was to determine the face and criterionvalidity, stability reliability, and internal consistency of the Persian version of the Impact onParticipation and Autonomy (IPA-p) scale among Iranian people with multiple sclerosis (MS). Methods Trained experts interviewed 364 MS patients and their relatives to assess the criterion validity, stability reliability, and internal consistency of the IPA-p scale. Ten specialistsfrom diferent disciplines were also recruited to assess its face validity. A consent form wascompleted by the patients and their relatives. Internal consistency reliability was measuredusing Cronbach’s alpha and stability reliability was assessed using interclass correlation coeffcients (ICCs). Te test-retest method was used to detect the reliability of the questioner. Testudy subjects completed the IPA-p scale on two occasions separated by an interval of 30–45days. Study checklists were also used to assess the face validity, stability reliability, and internal consistency of the IPA-p scale. Results About 50% of the respondents reported their perceived overall participation to be“good” or “very good” and 60% of the specialists rated the ability of the IPA-p scale to measure what it was designed for as “excellent.” Spearman correlation coefcients were >0.8 forall but one IPA-p domain. Cronbach’s alpha between the mean IPA-p scale scores achievedon two separate occasions ranged from 0.858 to 0.913. Te highest and lowest internal consistencies belonged to the “social relationships” and “education and learning” domains, respectively. Te test-retest ICCs for the nine domains were between 0.789 and 0.919, and allwere signifcant at p<0.001. Conclusions Te IPA-p questionnaire can be considered a valid and reliable instrument forassessing self-reported participation among Iranian MS patients.