http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
비내시경 누낭비강연결술에서 히알루론산나트륨과 카르복시메틸셀룰로오스나트륨 혼합액의 효과
오태훈,백지선,양석우,Tae-Hoon Oh,MD,Ji Sun Paik,MD,Suk-Woo Yang,MD 대한안과학회 2010 대한안과학회지 Vol.51 No.2
Purpose: To evaluate the long-term results of the application of a mixed solution of hyaluronate and sodium carboxymethlycellulose (HACMC, Guardix-sol) intraoperatively in endonasal dacryocystorhinostomy (Endo-DCR). Methods: In this retrospective randomized controlled study, Endo-DCR and silicone tube intubation were performed on 83 eyes of 83 patients who were diagnosed with nasolacrimal duct obstruction. In group A (40 patients, 40 eyes), HACMC was applied to the osteotomy site in the nasal cavity after standard Endo DCR procedure. In group B (43 patients, 43 eyes), a standard Endo-DCR procedure was performed without HACMC. The results for the two groups were evaluated by asking patients about the tearing condition and examining the patency of irrigation, complications, and related treatment. Results: There were no statistically significant differences in age, sex, silicone tube insertion duration, or mean follow-up time between the two groups. The primary success rates of the group A and the group B were 87.5% (35/40) and 81.4% (35/43), respectively. The final success rates after the revisonal surgery were 92.5% (37/40) and 86.0% (37/43), respectively, and there were no statistically significant differences between the two groups (P=0.348, Fisher’s exact test). Conclusions: Applying HACMC to the nasal cavity will be useful in treating patients with poor prognosis, although the higher average primary success rate of patients receiving HACMC, as compared to those who did not, was not statistically significant. J Korean Ophthalmol Soc 2010;51(2):159-163
오태훈,장동진,김재우,문정일,김현승,Tae Hoon Oh,MD,Dong Jin Chang,MD,Jae Woo Kim,MD,Jung Il Moon,MD,PhD,Hyun Seung Kim,MD,PhD 대한안과학회 2012 대한안과학회지 Vol.53 No.1
Purpose: To evaluate the possible causes of decreased central corneal endothelial cell count in glaucoma patients and to acknowledge the importance of central corneal endothelial cell count evaluation. Methods: This retrospective case-control study included 60 glaucomatous eyes that were being treated with topical anti- glaucoma drugs, 30 eyes that underwent laser iridotomy or trabeculectomy, and 60 control eyes. Intraocular pressure, duration of topical anti-glaucoma medications, mean number of topical anti-glaucoma drugs, and preoperative central corneal endothelial cells were analyzed. Results: The numbers of central corneal endothelial cells in the topical anti-glaucoma medication group, the surgical group and the control group were 2681.30 ± 355.33, 2435.57 ± 646.81 and 2822.08 ± 330.17 cells/mm2, respectively. The numbers in the topical anti-glaucoma medication group and the surgical group were significantly lower than that of the control group. The number of central corneal endothelial cells was significantly low in patients with longer duration of disease and in those taking a greater number of topical anti-glaucoma drugs (p = 0.003, p = 0.010) Conclusions: In glaucoma patients, corneal endothelial cell count is decreased by glaucoma surgery, laser therapy, long-term or multiple topical anti-glaucoma medications. When performing cataract surgery in glaucoma patients, preoperative corneal endothelial evaluation is essential. J Korean Ophthalmol Soc 2012;53(1):37-42
오태훈(Tae-Hoon Oh),오수길(Su-Gil Oh),백충렬(Chung-Ryul Baek),조삼래(Sam-Rae Cho) 한국조류학회II 2008 한국조류학회지 Vol.15 No.1
2006년 12월부터 2007년 5월까지 총 8회에 걸쳐 1966년에 문화재청에서 낙동강하구 일원(부산구포대교-가덕도 동쪽하단)에 포함되어 천연기념물 제 179호로 지정, 보호되고 있는 지역인 진우도에서 관찰되는 조류를 대상으로 멸종위기야생동물(조류), 서식형태 및 방해요인 등을 조사하였다. 조사기간 동안 관찰된 조류는 총 10목 23과 77종 5,103개체였으며, 종다양성지수(H')는 3.31로 나타났다. 우점종으로는 민물도요(Anser fabalis), 쇠제비갈매기(Sterna albifrons), 혹부리오리(Tadorna tadorna), 재갈매기(Larus argentatus), 갈매기(Larus canus) 순이었다. 서식형태별로는 텃새가 23종, 여름철새가 9종, 겨울철새가 31종 그리고 나그네새가 14종으로 확인되었다. 국제적으로 멸종위기에 처하거나 학술적 빛 문화적으로 보호가 요구되는 종으로 참수리(Haliaeetus pelagicus, 천연기념물 제243-3호), 흰꼬리수리(Haliaeetus albicilla, 천연기념물 제243-4호), 매(Falco peregrinus, 천연기념물 제323-7호), 잿빛개구리매(Circus cyaneus, 천연기념물 제323-6호) 및 황조롱이(Falco tinnunculus, 천연기념물 제323-8호) 등이 관찰되었으며, 환경부멸종위기야생동물 Ⅱ급인 검은머리갈매기(Larus saundersi), 말똥가리(Buteo buteo), 알락꼬리마도와(Numenius madagascariensis), 솔개(Milvus migrans), 물수리(Pandion haliaetus) 등이 관찰되었다. The bird surveys were conducted in Jin-woo Island from December 2006 to May 2007. Total 77 species and 5,103 individuals were recorded including forest, shrub-grassland and water birds in the study area. Among the total 77 species, 23 resident, 9 summer visitor, 31 winter visitor and 14 passenger migrant were identified in migration pattern. Dominant bird species were Anser fabalis, Sterna albifrons, Tadorna tadorna, Larus argentatus and Larus canus. Shannon-Weaver species diversity indices (H') was 3.31. Natural monuments and endangered birds were 10 species (Haliaeetus albicilla, Haliaeetus pelagicuss, Buteo buteo, Circus cyaneus, Milvus migrans, Falco peregrinus, Falco tinnunculus, Larus saundersi, Numenius madagascariensis and Pandion halieatus)
타원형 외란 집합을 이용한 폐구간 강건 모델 예측 제어의 최적 외란의 해석적인 해
오태훈(Tae Hoon Oh),이종민(Jong Min Lee) 제어로봇시스템학회 2018 제어·로봇·시스템학회 논문지 Vol.24 No.10
In this paper, the analytic solution of Robust Model Predictive Control(RMPC) with an ellipsoidal disturbance set is presented. Compared to the conventional polyhedron disturbance set, a few explicit expressions could be obtained, such as a constraint handling variable and a minimal robustly invariant set. In addition, the specific structure of the ellipsoidal disturbance set simplifies the optimization procedure with the min-max approach. Therefore, the computational time could be reduced by reformulating the disturbance vector to a known expression. The resulting formulation is a class of quasi-convex program, and an efficient solver can be used to solve such an optimization problem. Simple simulation examples for both nominal cost control and worst-case control are represented.
월악산에서의 물까치 Cyanopica cyana의 번식생태 및 개체군 변동에 관한 연구
오태훈(Tae-Hoon Oh),백충렬(Chung-Ryul Baek),이진희(Jin-Hee Yi),정진우(Jin-Woo Jung),염광석(Kang-Suk Youm),조현준(Hyun-Jun Cho),조삼래(Sam-Rae Cho) 한국조류학회II 2010 한국조류학회지 Vol.17 No.3
본 연구는 2005년 3월부터 2009년 10월까지 월악산(충북 제천시 한수면 덕주골 계곡)에 분포하는 물까치의 둥지 장소 선택, 개체수 변동, 성장률, 먹이 종류 등 번식생태 및 개체군 변동에 영향을 주는 방해 요인을 조사하여 분석하였다. 관찰된 개체수는 2005년 104개체, 2006년 63개체, 2007년 107개체, 2008년 142개체, 2009년 205개체로 증가하는 경향을 보였다. 영소목은 특정수종을 선호하지 않고, 서식하는 지역의 식생을 이용하였다. 영소목의 수고는 12.79±1.98m이었고 참나무류를 주로 이용하였으며, 영소목에서의 둥지의 높이는 3.91±0.56m이었다. 둥지와 계곡과의 거리는 20.90±12.17m였고, 과수원과의 거리는 41.83±11.74m이었다. 둥지 재료는 상수리나무, 갈참나무 등 주변의 작은 나뭇가지를 이용하였다. 번식시기는 4월 중순∼6월 초순경이며 한배산란수는 6.9±1.06개, 포란기간은 17.90±1.30일, 그리고 비동시 부화일수는 1.86±0.78일로 나타났다. 먹이는 양서류 및 파충류 그리고 곤충 등 동물성과 연한 식물 및 견과류 등을 먹는 잡식성으로 나타났다. 번식 실패의 주요인은 날씨와 먹이로 나타났다. 부화성공률은 90.82%, 이소성공률은 88.30%, 번식성공률 80.19%로 다른 까마귀과 조류에 비해 높았다. 물까치는 잡식성이며, 무리생활을 하여 포식자에 대한 위협에 대처하고 있으며, 최근 천적 및 경쟁종이 감소하고 있어 연구대상 지역 일대에서 개체수가 늘어나고 있는 것으로 판단된다. We have researched population change, preference of nest tree and breeding ecology-growth rates, food materials, factors of disturbance-of Azure-winged Magpie’s Cyanopica cyana at Deok-ju valley, Worak Mountain, Chungcheongbuk-do, Korea from March, 2005 to October, 2009. There were mountain streams, grasses, bushes and fruit trees which supply food to Azure-winged magpie. With these good environments, the number of Azure-winged magpie gradually increased 104 individuals in 2005, 63 individuals in 2006, 107 individuals in 2007, 142 individuals in 2008 and 205 individuals in 2009. Azure-winged magpie made their nest in the Oak Community. This result suggested that Azure-winged magpie don't use specific trees. The height of nest tree was 12.79±1.98m. And the nest was positioned 3.91±0.56m from ground. The distance from nest to mountain stream was 20.90±12.17m and nest to orchard was 41.83±11.74m. The clutch size of Azure-winged magpie was 6.9±1.06. They lays its eggs during April to early of June and incubated for 17.90±1.30 days. The food materials was animals which includes insects, larva, amphibians, reptiles and plant materials like fruits and berries, etc. The hatching rate of Azure-winged magpie was 90.82%, fledgling rate was 88.30% and the rate of breeding success was 80.19%. The population of Azure-winged magpies are increasing because of the number of enemies are decreasing. And they defend enemy with another members of the community.