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전기자동차 화재에 따른 지하주차장 내화설계 개선 필요성 검토
김해나 ( Kim Hae-na ),박준서 ( Park Jun-seo ),신종현 ( Shin Joung-hyeon ),홍상훈 ( Hong Sang-hun ),정의인 ( Jung Ui-in ),김봉주 ( Kim Bong-joo ) 한국건축시공학회 2022 한국건축시공학회 학술발표대회 논문집 Vol.22 No.2
Electric vehicle fires in underground parking lots are very dangerous, but it is judged that the current related laws and regulations do not change, which will cause problems. As a result of the analysis for the purpose of providing an electric vehicle in an underground parking lot, fire-resistance coating is essential as it can cause an explosion in the building members made of high-strength concrete when an electric vehicle fire occurs in an underground parking lot. Since a fire occurs, it is necessary to prevent electric vehicles from parking adjacent to each other.
박준은(Jun Eun Park),심정연(Jung Yeon Shim),박승일(Seung Il Park),박양순(Yang Soon Park),홍수종(Soo Jong Hong) 대한소아알레르기호흡기학회 1997 소아알레르기 및 호흡기학회지 Vol.7 No.2
A pulmonary sequestration is a mass of nonfunctioning, embryonic lung tissue that has no communication with the normal bronchial system and is usually supplied by an aberrant systemic artery. Bilateral intrapulmonary sequestration is very rare. This case was a 16 months old boy who showed persistent right lower lobe infiltration on chest X-ray. We found the consolidation lesions on left lower lobe and right lower basal segment which had the multiple cyst like lesions on the chest computed tomography. We confirmed the bilateral intrapulmonary sequestration by angiography which showed each sequestrated tissue being supplied by 2 aberrant arteries. The lobectomy of left lower lobe and the ligation of right aberrant artery were performed. Four months later, residual right lower lobe sequestrated tissue regressed markedly on the following chest computed tomography. Herein, we report a case of bilateral intrapulmonary sequestration which was successfully treated by the ligation of aberrant artery without subsequent complications.
유현정(Yoo, Hyunjung),김관희(Kim, Kwanhee),이하정(Lee, Hajeong),박보미(Park, Bomi),박수빈(Park, Subin),박주희(Park, Juhui),박진희(Park, Jinhui),반민주(Ban, Minjoo),임지현(Lim, Jihyun),박준후(Park, Junhoo),이예은(Lee, Yee Eun) 한국농촌간호학회 2019 한국농촌간호학회지 Vol.14 No.2
Purpose: This study was done to identify the cultural capacity of college nursing students and the relationship of intercultural communication. Methods: The participants were 200 students in colleges of nursing from 6 universities in C city, who understood the purpose of the study and agreed to participate. Collected data were analyzed with t-test, ANOVA, correlation analysis, and stepwise regression analysis using SPSS/WIN 22.0. Results: Cultural sensitivities in this study (r=.372, p<.001), cultural knowledge (r=.399, p=.001), cultural awareness (r=.547, p<.001), and cultural technology (r=.550, p<.001) each showed a statistically significant correlation with intercultural communication skills. Conclusion: The results of this study show that reinforcement of the cultural and intercultural communication ability of college nursing students, in-depth exploration of the cultural area and religious inspection, cultural and professional backgrounds, assessment and consideration of cultural characteristics, nursing diagnosis, and health appropriate to the cultural background. It is suggested that education such as service provision should be conducted systematically.
유사 공간구조로 조성된 신도시 보행 몰의 이용행태 특성 비교 분석 - 분당 서현지구의 동·서 보행 몰을 중심으로
박준서 ( Park Joon-seo ) 한국경관학회 2012 한국경관학회지 Vol.4 No.2
본 연구는 비슷한 시기에 유사한 형태로 조성된 두 공간의 이용 특징을 규명하고자 한 것이다. 분당 신도시의 서현 지구 내 두 보행 몰을 대상으로 물리적 및 행태적 특징을 분석하였다. 이를 위하여 현장조사, Time Lapse Camera 기법과 설문조사를 공간 및 이용자를 대상으로 실시하였다. 분석의 결과를 요약하면 다음과 같다. 1) 두 공간 모두 유사한 공간구조를 갖추고 있으나, 변동 가능한 시설들에 있어 분명한 차이가 나타났다. 동쪽 몰이 판매, 식음 및 주점들이 더 많이 입점하고 있었다. 2) 두 보행 몰 모두 단순한 이용행태를 보이고 있으나, 밀도와 이용행위의 정도에 있어서는 동·서 간에 확연한 차이를 보였다. 동측의 이용밀도가 더 높고, 이용자수가 많으며, 이러한 차이는 야간에 더욱 두드러지게 나타난다. 3) 두 보행 몰의 차이의 원인을 분석한 결과, 서측보다 동측에 사람을 유인하는 시설이 많음으로 인해 이용밀도가 높게 나타나는 것으로 판단된다. 결론적으로, 본 연구를 통해 이 두 보행 몰은 공간의 물리적 구성은 유사하나, 세부 시설의 구성과 그 이용의 패턴에 있어 서로 다른 특성을 지니는 공간임을 규명하였다. The purpose of the study is to find out the characteristics of how people use two spaces, which had been constructed in a same time and have similar form. This study analyzed physical and behavioral phenomena of two pedestrian malls in Seohyun district, Bundang new town. I carried out field survey, time-lapse-camera method and questionnaire survey. The results of analysis are summarized as follows; 1) The form of both sites are similar to each other but changeable facilities are different. The east mall have a lot more small stores, restaurants and bars then the west mall. 2) Both sites have simple behavioral pattern but their density of crowds and number of user are different according to time and each malls. The density of crowds of east mall is much higher than the west. These tendency of difference become more evident in night time. 3) The east mall have more frequently used facilities, so is more crowded than the west. As a result, the east and west mall are similarly structured spaces but differently characterized spaces by physical components and behavioral pattern.
TDMB와 KPCS 대역을 지원하는 내장형 휴대폰 안테나의 설계 및 구현
박준한(Jun-Han Park),이치우(Chi-Woo Lee),양묘근(Myo-Geun Yang),성원모(Won-Mo Seong) 한국전자파학회 2009 한국전자파학회논문지 Vol.20 No.2
본 논문에서는 TDMB와 KPSC를 지원하는 내장형 안테나를 제안한다. 제안된 안테나는 서로 다른 유전율을 가지는 안테나가 결합된 형태이며, 휴대폰에 적합한 작은 사이즈(45×8×8 ㎜, 약 2.8 cc)를 갖는다. TMDB 안테나는 각 셀간의 전류 흐름을 최대화 시킨 맴돌이 구조로 설계되었으며, KPCS 안테나는 휴대폰에 많이 사용되는 PIFA 형태로 설계되었다. TMDB 안테나는 부족한 공진 길이를 보상하기 위해 100 nH 이상의 인덕터가 사용된다. 이때, 인턱터는 높은 주파수 신호를 차단함으로 TDMB에서의 KPCS 주파수 입력은 차단된다. 또한, KPCS 대역에서 TDMB 안테나의 방사부는 기생 소자로 동작하기 때문에 각 밴드 간의 격리도 특성이 우수하다. 제안된 안테나는 CST Microwave Studio를 이용하여 설계하였으며, 전자파 무방향실에서 특성을 측정하였다. 제안된 안테나는 TMDB 대역에서 ?6~?14 ㏈i의 이득을 가지며, KPCS 대역에서 ?3.5~?5 ㏈i의 이득을 갖는다. In this paper, we propose the internal mobile antenna for TDMB and KPCS. The proposed antenna is made of different dielectric substrate and it has small size (45×8×8 ㎜, about 2.8 cc) for mobile device. TDMB antenna is designed spiral structure that makes maximum current for each cell and KPCS antenna is PIFA that is usually used for internal antenna. In order to compensate length of resonance TDMB antenna has a large inductor above 100 nH. In this case, the inductor isolate KPCS signal at TDMB by cutting high frequency. Also the antenna has good isolation because TDMB radiator is parasitic element in KPCS band. We simulated the antenna by using CST microwave studio and measured performance of the antenna in anechoic chamber. Proposed antenna has ?6~?14 ㏈i gain for TDMB and ?3.5~?5 ㏈i gain for KPCS.
Hole-Pin-Slot 조립의 공차해석 알고리즘 기초 연구
박준일(Junil Park),최유현(Youhyun Choi),박현풍(Hyunpung Park),임현준(Hyunjune Yim) (사)한국CDE학회 2015 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2015 No.동계
Mechanical assembly using pins, slots and holes is perhaps the most widely used method in many applications. As the value of dimensional engineering increases in most manufacturing industry, tolerance analysis has been drawing attention from design and production engineers. In order to gain an insight into such assembly processes, simulation algorithms have been developed in this study, with the effects of floating pins. This paper presents simulation results, obtained using the developed algorithms, for two simple problems: 2 pin-2 hole assembly and 2 pin-1 hole-1 slot assembly. By reviewing the simulation results, the feasibility and usefulness of the developed algorithms have been confirmed. Further future study to consider various, more complex cases will help develop our insight into the problem of mechanical hole-pin-slot assembly process.