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테헤란로 高層事務所 建物 저층부의 公共空間에 관한 연구
윤한섭,김성홍 대한건축학회 2003 대한건축학회논문집 Vol.19 No.3
This paper discusses the public space of the high-rise office buildings on Teheranno street. Since the 1980s, there has been a rapid growth in the construction of high-rise buildings due to the development of architectural technology and the increase of land price along this street. The ground level of high-rise office building is the buffer space between private and public realm and its roles in urban space becomes considerable. Nine buildings between Samsung and Kangnam subway station were chosen and classified according to their site areas and their relationships to the adjacent streets. Three aspects were primarily analyzed and interpreted. 1) the ratio of the public space and site area, 2) the programs of the ground level, 3) the spatial accessibility and permeability between buildings and streets. The paper reports that the buildings generally meet the legal requirements, yet their functions as public space were limited, and argues the importance of the linkage between urban and architectural design.
원형섭,황성연,박정배,이준형,박철완,이근 대한응급의학회 1996 대한응급의학회지 Vol.7 No.2
It has been known that sternal fracture increases the risk of potentially life-threatening injuries, such as myocardial, pulmonary, and thoracic vascular injuries, and it has 25% to 45% of mortality, primarily resulting from these underlying injuries. The authors reviewed retrospectively the medical records and radiographic findings of the patients who admitted with sternal fracture at Chung Ang Gil Hospital from 1 June 1994 to 31 December 1995 to evaluate the significance and clinical course of sternal fracture. The results were followings: 1. The male to female ratio was 3:2 and the mean age was 43.1 and 45.4 years old in male and female, respectively. 2. Motor vehicle occupant accident was the most common cause of sternal fracture. 3. Of 33 cases, there was no death, but common associated injuries which were rib fracture, hemothorax, lung contusion, vertebral fracture, penumothorax, long bone fracture, myocardial contusion, flail chest, facial chest, facial bone fracture, and pericardial effusion, in order. 4. The clinical course of sternal fracture was determined primarily by associated injuries except for communited sternal fracture. 5. The patients with isolated sternal fracture, who had an otherwise normal chest x-ray, normal electrocardiogram, no other significant associated injuries and are hemodynamically stable, had a benign clinical course.
발기부전 검사에서 천연색 복합초음파촬영술과 야간음경발기검사의 일치도
송윤섭,구자현,김민의,이혜경,김두상,박영호,이남규 순천향의학연구소 1999 Journal of Soonchunhyang Medical Science Vol.5 No.1
We intended to know that the result of color duplex ultrasonography corresponded to that nocturnal penile tumescence rigidity in the diagnosis of erctile dysfunction. We performed both color duplex ultrasonography and nocturnal penile tumescence rigidity in 15 erectile dysfunction men. Colr duplex ultrasonography was done with a 7 MHz. color Doppler unit after intracorporeal pharmacological injection and measured maximal arterail diameter, peak systolic velocity, end-diastolic velocity and the results were compared with rigidity and tumescence in nocturnal penile tumescence rigidity using RigiScan. The positive predictive value, negative predictive value, sensitivity, specificity, overall accuracy of color duplex ultrasonography was reasonable when the result of color duplex ultrasonography was compared with the that of nocturnal penile tumescence rigidity. According to this results, color duplex ultrasonography could not only predict but also correspond to nocturnal penile tumescence. Therefore, we suggest that color duplex ultrasonography can relpace nocturnal penile tumescence rigidity if psychogenic and neurogenic erectile dysfunction are distinguished by history and neurologic examination.
김유근,박상철,문윤섭,오인보,황미경 부산대학교 환경문제연구소 2002 環境硏究報 Vol.20 No.-
Emissions of air pollutants (TSP, SO2, NO2, CO, and HC) was estimated in Changwon city that has the industrial complex and basin terrain. We found that the emissions of TSP, SO2, NO2, CO, and HC were 897 tons, 3,287 tons, 5,706 tons, 10,057 tons, and 1,470 tons for a year, respectively and the main source of air pollutants were vehicle. The ratios of vehicle emissions to total emissions ware TSP 63.8%, SO2 26.1%, NO2 65.5%, CO 91.0%, HC 94.4%. The ratios of industry emissions to total emissions were TSP 30.8%, SO2 60.2%, NO2 25.2%, CO 6.4%, HC 3.7%. The ratio of life emissions to total emissions are TSP 5.4%, SO2 13.7%, NO2 9.3%, CO 2.6%, HC 1.9%. The concentration distributions of air pollutants simulated by ISCST3 model were similar to its emission distributions, and relatively high concentrations of air pollutants occurred in the Palyong-dong (industrial area) and Banlim and Chungang (residual area).
촉매 코팅방법에 따른 기능성 여과포의 NO 제거 반응 특성
강민필,송윤섭,이효송,김상도,박영옥,황택성,이영우 한국화학공학회 2002 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.40 No.6
NO_x와 먼지 동시 제거용 기능성 여과포 개발의 일환으로 V_2O_5/TiO_2계열의 상용촉매를 사용하여 P-84, Nomex, PTFE 여과포에 코팅하였다. 사용된 코팅 방법은 Sol-gel법, Spray법 그리고 Dip코팅 방법이었으며 코팅방법이 여과포의 NO_x 제거반응에 미치는 영향을 조사하였다. NO_x 제거반응실험은 여과포의 작동온도에 맞는 100-250℃의 반응온도범위에서, 공간속도 5,000hr^-1, 산소농도 6%, NH_3/NO 몰비는 1.0의 조건하에서 수행되었다. 본 연구에서 시도된 세 가지 코팅 방법 중 촉매량의 조절 및 균일한 코팅이 용이한 Sol-gel법에 의해 제조된 기능성여과포가 가장 좋은 NO_x 전환율을 나타냈다. A series of fabric filters including P-84, Nomex and PTFE were coated with a commercial V_2O_5/TiO_2 catalyst as an effort to develop a functional fabric filter of simultaneous removal of dust and NO_x. The coating methods employed are solgel coating method, spray coating method and dip coating method, and the effects of coating method on NO_x removal performance of functional fabric filter were investigated. Experimental conditions are as follows: the temperatures of 100-250℃ which are the normal operating temperature range of fabric filters, the space velocity of 5,000hr^-1, the oxygen concentration of 6%, and the NH_3/NO ratio of 1.0. Results showed that the sol-gel coating method gave the best NO_x removal performance mainly due to its ability in controlling the amount of catalyst and uniform coating.
Sang-Keun Song(Sang-Keun Song),Yoo-Keun Kim(Yoo-Keun Kim),Yun-Seob Moon(Yun-Seob Moon) 한국대기환경학회 2004 한국대기환경학회지 Vol.20 No.E1
Meteorological mechanisms in association with long-range transport of Asian dust in April 2001 have been investigated using weather maps, satellite images, TOMS and surface PM_10 data, backward trajectories, plus modeling output results (geopotential heights, horizontal wind vectors, potential temperatures, and streamlines). The results indicated that long-range transport of Asian dust to the west coast of North America was associated with strong westerlies between the Aleutian low and the Pacific high acting as a conveyor belt. Accelerating westerly flows due to cyclogenesis at the source regions over East Asia transported pollution from the continent to the central Pacific. When the system reached the Aleutian Islands, the intensity of troughs and the westerlies were amplified in the North Pacific. Thereafter the winds between the Aleutian Islands and the Pacific Ocean were more intensified from the air flow transport of the conveyor belt. Consequently, the strong wind in the conveyor belt enhanced the dust transport from the Pacific Ocean to the west coast of North America. This was evidenced by PM_10 concentration (maximum of about 100㎍m³) observed in California. Further evidence of the dust transport was found through the observation of satellite images, the distribution of TOMS aerosol index, and the analyses of streamlines and backward trajectories.