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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.
박준길(Jun-Gil Park),서상호(Sang-Ho Suh),조민태(Min-Tae Cho) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
The pneumatic waste collection system, which is a complete solution for solving the waste collection problems, are constructed in many countries all over the world. However, research data for piping network design are insufficient. In this paper the pressure losses of the straight and curved pipes, pipe junctions are obtained using the numerical method in order to investigate the optimal pipe network design for the waste collection system.
복합기능미생물 Bacillus velezensis GH1-13을 이용한 미생물제형 개발 및 생물학적 특성
박준경(Jun-Kyung Park),서선일(Sun-Il Seo),한귀환(Gui Hwan Han),김공민(Kong-Min Kim),김대혁(Dae-Hyuk Kim),송재경(JaeKyeong Song),김평일(Pyoung Il Kim) 한국생물공학회 2018 KSBB Journal Vol.33 No.4
Biological control of plant diseases including bacterial and fungal pathogens has been deliberated as a viable alternative method to harmful and expensive chemical control. Bacillus velezensis GH1-13 strain was reported as a multifunctional biological agent which inhibits the plant pathogens and utilized in sustainable agriculture for improving growth of the crops. The objective of this study is to evaluate the biological potential of Bacillus velezensis GH1-13 for effective use in agriculture and industrialization. The microbial formulations of GH1-13 strain were performed into liquid, powder, granule and pellet types. Total viable cells of four microbial formulations were verified more than 107 cfu/mL(g) during 8 weeks at 40℃, and the storage stability was considered under severe condition. Plant growth promoting of four formulation types were examined to pepper and tomato plants. The powder type showed the best effect such as stem length 25.6±0.72 cm, 10 petiole and stem length 35.3±0.46 cm, 11 petiole of pepper and tomato plant, respectively. Biocontrol effect of liquid and powder types was also tested against Colletotrichum gloeosporioides causing pepper anthracnose. The resulting, 100 fold diluted liquid type exhibited control effect of 65%, and side effect on pepper and tomato plants were not detected. From the results, we suggest that microbial formulations have significant effects as biological agents such as plant growth promoting and controlling the phytopathogenic fungi. In addition, we expect that microbial agent may be useful in agriculture, although further study is needed.
고속에서 섬유와 시멘트기반 매트릭스 계면의 부착강도 조사를 위한 섬유인발 충격시험장치
박준길 ( Park Jun-kil ),김동주 ( Kim Dong-joo ) 한국구조물진단유지관리공학회 2017 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.21 No.1
This research developed the fiber pullout impact test machine to investigate interfacial bond strength between fiber and cement based matrix under high velocity. To achieve the goal, firstly the existing pullout test machines were investigated. And then, these drawback were comprehended. Finally, Fiber pullout impact test machine base on strain energy frame impact machine was proposed.
IT서비스에 있어서 서비스 품질이 지식공유의도에 미치는 영향에 관한 연구
박준기 ( Jun Gi Park ),윤정인 ( Jun Gin Yoon ),이정우 ( Jung Woo Lee ) 한국정보시스템학회 2010 情報시스템硏究 Vol.19 No.3
IT service is increasing becoming a critical resource firms have to utilize effectively and efficiently. As the importance of IT service increases, the knowledge sharing between IT service people and users becomes more and more important. In this study, the IT service quality is posited as a critical independent construct that influences knowledge sharing attitude of users which in turn change the knowledge sharing intention. Service satisfaction is placed as a mediator between the quality and attitude to compare direct and indirect effect in the model. Results show that (1) IT service quality influences the knowledge sharing attitude of users directly, and indirectly through service satisfaction, (2) at the same time, however, the direct path from quality to attitude is found to be stronger than the indirect path through satisfaction, and (3) interestingly, satisfaction seems to have no direct effect on intention, but only through the attitude change as can be inferred from the theory of reasoned action. Outcome of this study implies the importance of IT service quality in improving the knowledge sharing activities between users and developers, and interestingly the aim of quality would not be targeted on satisfaction but on attitudinal changes.