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CPTED 관점에서 안전한 대학교캠퍼스를 위한 적용요소 연구
윤소진(Yun, So-Jin),이승재(Lee, Seung-Jae),강석진(Kang, Seok-Jin) 대한건축학회 2012 대한건축학회논문집 Vol.28 No.3
The purpose of this study was to suggest the applicable factors for making safe campus focused on the CPTED. In order to do that, the questionnaire survey and the observation survey were conducted in the 3 universities in Jin-Ju. This study was processed as follows : first, the analyses of the relations among the variables such as satisfactory and important rate about the physical factors for crime prevention, fear of crime, and crime experienced rate. ; second, comparing analyses the questionnaire survey and the observation survey results among the universities. Followings are the results. : 1) the crime experienced rate was 25%, and the theft and breakage were happened frequently. The hotspots were lecture rooms, dormitories and parking lots. 2) as the fear of crime was higher, the satisfaction of crime prevention was lower. The unsafe places were promoted the fear of crime were basement floors, toilets, green zones, sidewalks and parking lots, etc. 3) the factors caused the fear of crime were insufficient lightings and CCTV, and blind spots among the buildings. 4) the important things for the making crime-free campus were the natural surveillance and access control focused on the CPTED. Especially, it was founded that the access control methods were more effective at indoor spaces and individual buildings, and the natural surveillance methods were more important outdoor spaces.
3차원적 측두골 전산화 단층촬영을 이용한 중이질환에 대한 임상적 고찰
강성호,김진국,홍석찬 건국대학교 의과학연구소 1997 건국의과학학술지 Vol.7 No.-
Study of the complex anatomy and pathology of the temporal bone has traditionally used permitted analysis in only two dimensional computed tomography. Recent technological advances in clinical application of computed tomography have made 3-dimensional reconstruction from consecutive axial tomography possible. This new method improves the assessment and therapy of patients undergoing surgical procedures for disease involving temporal bone. Three dimensional computed tomography was performed in 20 patients, involved the middle ear and temporal bone. 5 examples are demonstrated here and we concluded that this new method improves the display of the location and state of pathology and affords accurate therapeutic and surgical planning.
랜덤하중스펙트럼하에서 AL 2024-T3 합금판재의 균열진전에 관한 연구
강기경,황영진,이석순 경상대학교 생산기술연구소 2000 生産技術硏究所論文集 Vol.16 No.-
Damage Tolerance Design Concept lessens defects and damages when a aircraft is manufactured and operated. And it make back up plane before the critical crack size using quantitative analysis of the residual defect size, fatigue crack propagation. So residual strength of a structure in damage tolerance range should be proved using analysis and test for endurance of design maximum load. A aircraft are exposed to the various load conditions such as thrust, gravity, lift and so on at the same time. The complicated load condition is the random load rather than the constant amplitude load. In this study, the experimental resu1ts and the theoretical values of residual strength and crack growth rate using the fatigue test for aluminum alloy plates usually being used for the aircraft skin under random load have been compared and considered.
구강점막 부착용 케토프로펜 고분자 필름의 제조 및 평가
박진석,이상은,강봉석,이경록,이은주,박정숙 충남대학교 약학대학 의약품개발연구소 2014 藥學論文集 Vol.29 No.-
Abstract – The objective of this study was to prepare ketoprofen-loaded buccal adhesive patch. The adhesive patch was formulated by casting method using aqueous soluble polymer povidone K17 (PVP 17PF) as film-forming agent and hydroxypropylmethylcellulose (HPMC) as adhesive agent. To compare the effect of HPMC type, different molecular weight of K4M and K15M HPMC was used. The physicochemical properties of patches such as appearance, thickness, in vitro release, and adhesiveness were investigated. The concentration of ketoprofen was determined spectrophotometrically at a wavelength of 233 nm. The appearance of prepared patches was semi-transparent, light-yellow or almost colorless, and odorless. Thickness of each patches (n=6) was 0.895 ± 0.033 mm for K4M patch and 0.727 ± 0.036 mm for K15M patch. In vitro release test, both K4M and K15M patches showed over 20% release within 30 min. At 120 min, K4M and K15M patches demonstrated 95% and 67.5% release of ketoprofen, respectively, and up to 240 min, both patches released drug completely. Maximum adhesive force of K4M and K15M patches was 6.571 ± 2.703 gf and 2.735 ± 1.151 gf, respectively. Moreover, it took 28.29 ± 0.38 sec and 28.30 ± 0.34 sec for K4M and K15M patch to peel off them after adhesion, showing no significant difference. In conclusion, thickness, in vitro release, and maximum adhesive force could be modulated by alteration of polymer types.
강성호,진정언,홍석찬 건국대학교 1997 學術誌 Vol.41 No.2
Inhalation of a foreign body into the respiratory passage is a frequent in children and sometimes fatal accident. It can produce different symptoms and signs, which may be confused with esophageal foreign body. On occasion, it can be not only followed by some pulmonary complications, but also it is often delayed to be removed Recently, we experienced a bronchial foreign body, which was misdiagnosed a esophageal foreign body. It was successfully removed via ventilating bronchoscope, after esophagoscopy and reevaluation of a foreign body in operating room. We report this case with review of the literacture.
삭골(Bone shaving)한 골의 재생에 골막이 미치는 영향
강진성,권건영,송중원,오석희,한기환 大韓成形外科學會 1989 Archives of Plastic Surgery Vol.16 No.5
Many orientals have a more prominent malar eminence and mandibular angle than westerners so their faces often look rough and unattracive. In recent years more people want to have a more attractive and beautiful face due to economic prosperity and westernization. Therefore people receiving bone shavings or osteotomies for cosmetic purposes are increasing. The effects of the periosteum on lay bone grafts were investigated but the effect of the periosteum after bone shaving or osteotomy is little known. The authors investigated the effect of the periosteum on the regeneration of bone in membranous and endochondral bone of rabbits. Bony defects each measuring about 5.0×5.0×1.5mm were made on the left and right sides of the parietal bones of 15 rabbits and femurs of 15 other rabbits respectively. The periosteum was preserved on the left and removed on the right. The following results were obtained: 1) The average thickness of the regenerated bones in groups 2 δ4 were thinner than those in groups 1 δ 3 at 4, 8 and 12 weeks postoperatively but the differences of thickness were statistically significant at onl 4weeks postoperatively(P<0.05). 2) The histological findings in groups 2 δ 4 showed lesser regeneration of the shaved bone than those in groups 1 δ 3 at 4, 8 and 12weeks postoperatively. 3) There was no significant increase in the thickness of the regenerated bone after 8 weeks postoperatively in all groups. 4) At 12 weeks postoperatively, the thickness of the regenerated bone in all groups was over 70% of the thickness of the resected bone. In summary, the authors found that it is important to perform overcorrection and resect the periosteum simultaneously in bone shaving to prevent the unwanted regeneration.