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혈액 투석 환자에서 중심정맥 협착에 대한 스텐트 삽입술 : Wallstent Placement
임대승,노상필,이유선,정승현,김보영,이정우,강정아,김정희,이민수,정준용,최시완,정진옥,성인환,이강욱,신영태 충남대학교 의과대학 의학연구소 2002 충남의대잡지 Vol.29 No.1
Stenosis of central vein is a common complication arising after percutaneous subclavian vein catheter insertion performed for temporary vascular access in chronic renal failure patients undergoing hemodialysis. There are several treatment methods for the condition like percutaneous angioplasty(PTA), stent insertion, and surgery, but recent trend is toward PTA and stents. Among the patients diagnosed with chronic renal failure from March 1993 to May 2002 and undergoing hemodialysis through AV fistula, the 14 Patients in whom central vein stenosis arose were selected for the study. A total of 28 percutaneous interventions(5 PTA and 23 stent placement) were performed, and restenosis rate and the time taken till the restenosis in de novo lesions and instant lesions were compared. All 28 cases were operated successfully. The 14 cases that received both anigioplasty and stent placement initially. (de novo lesion : 14 cases), Among the 10 cases with de novo lesion that followed up more than 1 year, 3 cases are currently undergoing hemodialysis without restenosis, and the remaining 7 cases have recurred stenosis with the mean time to restenosis of 10.9 months. In the 7 cases in whom stenosis recurred, 11 interventions were done(instent lesion: 11 cases). 4 of these were using only ballon angioplasty with 100% restenosis rate and the mean time of 3 months until restenosis. The remaining 7 cases were using both balloon angioplasty and stent placement, also with 100% restenosis rate but with the mean time of 12 months until restenosis, which was later than the group receiving only balloon angioplasty. In treating the patients with central vein stenosis, stent placement seems to be more advantageous over PTA in terms of restenosis rate and the mean duration of patency. In the case of instent lesion, inserting the stent for the second time after stenosis recurred lengthened the duration of patency compared to performing balloon angioplasty alone.
2단 간헐폭기 시스템에서 aeration cycle이 질소 및 인 제거에 미치는 영향
정명선,이준호,서광범,김영관 江原大學校 附設 環境硏究所 2003 環境硏究 Vol.20 No.-
This bench-scale research investigated the aeration cycle(on/off) as the controlling factors for nitrogen and phosphorus removal in a 2-stage, intermittent aeration process. At this experiment, the aeration cycle time(air-on/air-offJ was 30min/30min, 60min/60min, 90min/90min. Organic matter removal was observed more than 90% regardless of the aeration cycle and phosphorus removal was relatively high when the aeration cycle time was 60min/GOmin. On the other hand, For all of the aeration cycle, TN removal was appeared less than 55%. This result was probably due to the limitation of the external substrate for heterotrophic nitrification and aerobic denitrification.
정응기,이기환,원용재,박향미,전남수,최준호,구연충,한창덕,은무영,김태산,남민희 Plant molecular biology and biotechnology research 2005 Plant molecular biology and biotechnology research Vol.2005 No.
This study was conducted to investigated the major characteristics of genetically modified rice of "Milyang 204" originated from Dongjinbyeo compared to a non-transgenic rice varieties Dongjinbyeo and Junambyeo. Basta resistant transgenic rice lines carrying bar gene produced by the Yeongnam Agricultural Research Institute were evaluated for their agronomic characters. The transgenic Japonica rice of "Milyang 204" showed inferior phenotypic traits compared to a non-transgenic rice variety Dongjinbyeo and Junambyeo. On the basis of UPOV (Union Internationale Pour la Protaection des Obtentions Vegetables) and NSMO(National Seed Management Office) the transgenic "Milyang 204" showed difference in some traits out of some agronomic traits, such as leaf color, angle of flag leaf, number of spikelets, culm length, white core and white belly compared to the nontransgenic varieties rice.
전통마을 주거환경 및 주거공간의 구성적 특성에 관한 연구
정준현,백영흠 대구대학교 과학기술연구소 1999 科學技術硏究 Vol.5 No.5
This study aims primarily that the charateristics of the organization of the residential environment in the traditional village, and the regional type of the traditional residence(Min Ga) is surveyed and analyzed to be objected on the Mun-Keyng, Bugok Ma-ul. By The first visit for the site on July, 1997 to be established the surveying plan, the main surveying is duing 20∼25 on August,1997, and the additional surveying is duing during May and June, 1998.
2단 간헐폭기 시스템에서 aeration cycle이 질소 및 인 제거에 미치는 영향
정명선,이준호,서광범,김영관 강원대학교 산업기술연구소 2003 産業技術硏究 Vol.23 No.A
This bench-scale research investigated the aeration cycle(on/off) as the controlling factors for nitrogen and phosphorus removal in a 2-stage. intermittent aeration process. At this experiment, the aeration cycle time(air-on/air-off) was 30min/30min. 60min/60min, 90min/90min. Organic matter removal was obserred more than 90% regardless of the aeration cycle and phosphorus removal was relatively high when the aeration cycle time was 60min/60min On the other hand. For all of the aeration cycle, TN removal was appeared less than 53% This result was probably due to the limitation of the external substrate for heterotrophic nitrification and aerobic denitrification
정준현,백영흠 大邱大學校 科學技術硏究所 1998 科學技術硏究 Vol.5 No.3
This study aims to identity and analy the charateristics of organization of the residential enviornment in the Hap-Chun, Naegok Ma-ul, which is of the representative traditional village. The survey were conducted from July 25 to 30 in 1997 to investigate the charateristics of the village To have additional information, second survey uwre carried out during May and June, 1998.
구미4공단지정 지역의 주거환경 및 민가의 공간구성적 특성에 관한 연구
정준현,백영흠 大邱大學校 科學技術硏究所 1999 科學技術硏究 Vol.5 No.5
The study aims that research the characteristic of housing environment on 4 villages in the reserved area for Kumi national industrial park. Especially theses villages based on traditional agricultural economic living, will be changed to the industrial park, and so it need to record the village history and the distribution of existing house buildings and also to preserve the heritages of tangible & intangible culture. Thus the study bases on the housing environment for a history and living of housing. The contents of study is limited to declare the characteristics of the spatial plan of villages and the traditional house's typology. By the application of the space syntax analytic method, to four villages and it's houses, the actual surveying and interviewing and questioning were proceeded as the primary and main surveying on 8, 1997 and the supplementary surveying on 25-28, 8, 1998.
오리엔탈나리의 球根 收穫時期와 低溫處理 期間이 生育에 미치는 影響
金熙峻,金正萬,金致善,柳汀,崔泳根,文炳永 한국화훼연구회 2001 화훼연구 Vol.9 No.1
This study was carried out to determine the effect of the duration of chilling treatment and the lifting time of bulbs on growth of Lilium Oriental hybrids for product of cut flower in the type of forcing or semiforcing culture in Korea. "Casablanca", "Acapulco" and "Le Reve" in lilium Oriental hybrids were used in these experiment and carried out from 1999 to 2000 in Iksan, Korea. The bulbs for experiment were lifted on August 27, September 27 and October 27 and the all of them were chilled at 5±1℃ for 0,8,10,12 weeks. Development of the bulbs lifted on October 27 was superior than that of lifted bulbs on August 27 in the three cultivars. The bulbs lilted lately and chilled for a long time were sprouted more earlier and grown faster. In order to increase bulb sprouting until 100%, the duration of chilling treatment of bulbs was need for 12 weeks on August 27, 10 weeks on September 27 and above 8 weeks on October 27. The flowering according to the duration of chilling treatment and the lifting time of bulbs was same above. Consequently, the bulbs should be chilled at 5±1℃ for chilled for 10 weeks at late September and 8 weeks in producted bulbs at late October in earlyㆍMidseason variety fur product of cut flower hut bulbs of late variety should be chilled for 12 weeks at late September and 10 weeks at late October.
민간영리 스포츠 시설로서의 수영장의 라이프 사이클과 경영전략에 관한 연구
윤영복,박준희,정용준 조선대학교 사범대학 부설 교과교육연구소 1998 敎科敎育硏究 Vol.1 No.1
We made a research on the sports facility managers who manage the commerical swinning center in seoul, Kwang Ju, Pusan and Taegu, The results are as follows: (1) The competive strategy of swimming center consists of inner-differentiation strategy, out-differentiation strategy and low cost strategy. (2) Inner-differentiation strategy is emphasized by the swimming center which sets the goal for growth maintenance. (3) Competitive stratgy of swimming center is dertermined by each stage in the life cycle theory ① Introduction stage : The emphasis of strategy is laid on inner-differentiation strategy. ② Growth stage : The emphasis of strategy is laid on both inner-differentiation strategy and out-differentiation strategy ③ Decline stage : The emphasis of strategy is laid on out-differentiation strategy with the aim to maintain.