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- 저자 : 고예린 ( Yelin Ko ) (검색결과 2 건)
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김도희(Do-Hee Kim),고예린(Yelin Ko),최정윤(Joung Yoon Choi),이주영(Joo-Young Lee) 한국생활환경학회 2021 한국생활환경학회지 Vol.28 No.2
The purpose of the present study was to evaluate thermal protective performance of firefighting gloves through a full-scale fire test and explore methods to improve the validity of the full-scale fire test. Four experimental conditions using one type of firefighting gloves and a hand/arm manikins were evaluated (wet/dry condition × palmar/dorsal side exposure) through an exposure protocol (30-s steady, 12-s flame exposure, and 120-s recovery). The results showed that the surface temperature during the flame exposure and recovery was higher for the wet condition than for the dry condition (p<.05). The predicted burn area was greater for the wet condition compared to the dry condition (p<.05). It seems that the water penetrated into the wet gloves, evaporated at high temperatures and was retained as overheated live steam in the air trapped inside the gloves, which posed a high risk of burns. Further, under all experimental conditions, the fingers were more vulnerable to flame exposure than the palm or back of the hand, which is attributable to the thin distribution of trapped air around fingers. During the full-scale fire test, continuous temperature increases were observed inside the gloves during the recovery phase even after ending the flame exposure, and it is assumed that the heat stored in the gloves took time to spread around. All of these results suggest that a whole product-level assessment is necessary and that material-level assessment by itself is insufficient. In addition, we confirmed the need to consider gloves in the wet condition, and to balance the heat protection and dexterity of the gloves.
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미세먼지 고농도 시즌 방진용 마스크에 관한 인식과 착용 행동에서 전국 지역별 차이 및 성차
이주영 ( Joo-young Lee ),박준희 ( Joonhee Park ),백윤정 ( Yoon Jeong Baek ),정다희 ( Dahee Jung ),고예린 ( Yelin Ko ),정재연 ( Jae Yeon Jung ),강주호 ( Juho Kang ),이태경 ( Taekyung Lee ),이예진 ( Yejin Lee ),송은영 ( Eunyoung Son 한국의류학회 2020 한국의류학회지 Vol.44 No.3
The present study investigated regional and sex differences in knowledge, perception, cognition and behavior of fine-dust protective masks for periods of high concentration of fine dust in Korea. A total of 2,012 adults from seven provinces responded to the questionnaire. The results (all p<.05) showed that 78% of respondents considered pollution from China to be the greatest contributor of fine dust. Seoul and Gyeonggi residents more frequently checked fine dust forecasts than other provinces and consulted their smartphone applications to do so more than other residents. Jeju, Gwangwon, and Jeonla residents had less knowledge of KF 80, 94, and 99 masks than residents of other provinces. Gwangwon and Jeju residents had less trust in the effectiveness of protective masks than other residents. Females perceived themselves as unhealthier respiratory, more frequently checked the concentration of fine dust, trusted more the effectiveness of masks, and more frequently wore masks, compared to male respondents. Those who self-identified their respiratory function as poor, more frequently checked fine dust forecasting, and had greater knowledge of masks, which resulted in greater trust in the protective function of masks, and finally had higher wear frequency of masks for days with high concentrations of fine dust.
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