Algal bioassay 에 의한 조류생장 제한영양염류 결정

오희목(Hee Mock Oh),이석준(Seog June Lee),김성빈(Seong Bin Kim),박미경(Mi Kyung Park),윤병대(Byung Dae Yoon),김도한(Do Han Kim) 한국하천호수학회 1998 생태와 환경 Vol.31 No.2

Determination of Limiting Nutrient for Algal Growth by Algal Bioassay. Oh, Hee-Mock, Seog June Lee, Seong-Bin Kim, Mi- Kyung Park, Byung-Dae Yoon and Do-Han Kim (Environmental Microbiology Research Unit, Korea Research Institute of Bioscience and Biotechnology, Taejon 305-333, Korea and Water Resources Research Institute, Korea Water Resources Corporation, Taejon 305-390, Korea) Water quaiity and algal growth potential (AGP) using Microcystis aeruginosa were investigated from April to September 1997 in Daechung Reservoir. Secchi disk transparency was 1.1 m in August. Chlorophyll-a concentrations were higher than 10㎍/l at all samples. Total phosphorus concentration was in a range of 0.020∼0.027mg/l which is at the approximate value of 0.03 mg/l, the general critical level of eutrophication. These results indicate that Daechung Reservoir is in an eutrophic state except some temporary times and restricted sites. Phosphorus uptake rate of M. aeruginosa was higher in the water from the epilimnion than in the hypolimnion and also higher under light condition than under dark condition. Therefore, phosphorus uptake rate appears to depend on cellular phosphorous content and light condition, a meaning of endergonic process. Phosphorus was the most frequently limiting nutrient: phosphorus was limiting algal gowth in April and May, nitrogen, phosphorus and trace elements were the limiting factors for algae in August, and trace elements in September. If a fast growing alga, M, aeruginosa, is used as a test organism for assaying AGP, in vivo fluorescence instead of dry weight can be measured for algal biomass and incubation period can be reduced from traditional 14 days to 7 days.

만성 승모판 패쇄부전증 환자에서의 안지오텐신 전환효소 억제제의 장기 투여 효과

김대희,이명묵,이해영,조현재,박승정,서재빈,서정원,양한모,윤창환,조상호,이준희,김용진,김명아,손대원,오병희,박영배 대한순환기학회 2004 Korean Circulation Journal Vol.34 No.2

연구논문 : CMAQ 모델의 화학메커니즘(SAPRC99, CB05) 적용에 따른 수도권 오존농도 모의결과 비교

강윤희 ( Yoon Hee Kang ),오인보 ( In Bo Oh1 ),정주희 ( Ju Hee Jeong ),방진희 ( Jin Hee Bang ),김유근 ( Yoo Keun Kim ),김순태 ( Soon Tae Kim ),김은혜 ( Eun Hye Kim ),홍지형 ( Ji Hyung Hong ),이대균 ( Dae Gyun Lee ) 한국환경과학회 2016 한국환경과학회지 Vol.25 No.1

A comparison of ozone simulations in the seoul metropolitan region (SMR) using the community multiscale air quality (CMAQ) model with SAPRC99 and CB05 chemical mechanisms (i.e. EXP-SP99 and EXP-CB05) has been conducted during four seasons of 2012. The model results showed that the differences in average ozone concentrations between the EXP-SP99 and EXP-CB05 were found to be large in summer, but very small in the other seasons. This can be attributed that the SAPRC99 tends to produce more ozone than the CB05 in urban area like the SMR with low VOC/NOx ratio under high ozone conditions. Through quantitative comparison between two mechanisms for the summer, it was found that the average ozone concentrations from the EXP-SP99 were about 3 ppb higher than those from the EXP-CB05 and agreed well with the observations. Horizontal differences in ozone concentrations between SAPRC99 and CB05 showed that significant differences were found in southern part of the SMR and over the sea near the coast in summer.

소적정원산(消積正元算)으로 호전된 적증(積證)환자 1례 보고

허진일,조동희,김동우,임희용,오중한,김대준,변준석,최빈혜,Hur, Jin-Il,Cho, Dong-Hee,Kim, Dong-Woo,Lim, Hee-Yong,Oh, Jung-Han,Kim, Dae-Jun,Byun, Joon-Seok,Choi, Bin-Hye 대한한방내과학회 2005 大韓韓方內科學會誌 Vol.26 No.2

This study was designed to evaluate the effects of the oriental medicine(Sojeockjeongwonsan) on a Jeock-Jeung patient. The clinical data was analyzed on a patient with Jeock-Jeung, deemed due to Gangiulgyul(肝氣鬱結) and Junggiheoyak(正氣虛弱). The patient’s main symptoms were abdominal pain and abdominal mass. The patient was admitted to Dae-Gu Hanny University Dae-Gu Oriental Medicine Hospital. Clinical symptoms, including abdominal pain, abdominal mass and general condition, improved after treatment. This study suggests that Sojeockjeongwonsan is significantly effective in treatment of a Jeock-Jeung.

나프탈이미드 형광 발색단을 가진 비닐고분자의 합성과 특성(Ⅲ)

오대희 釜山工業大學校 1990 論文集 Vol.32 No.-

3-(1,8-naphthalimido) propyl methacrylate was synthesized in relatively good yield by reacting N-(3-hydroxypropyl) naphthalimide with methacryloyl chloride and radically polymerized. The emission spectrum of this polymer shows a weak monomer emission band at about 380nm and a strong excimer emission band at about 460nm in 1,2-dichloroethane solution. These results were discussed in view of the excimer formation.

운동유형이 회복기 대사변인과 초과산소소비량에 미치는 영향

오유성,김춘희,김대권 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.20 No.1

The purpose of this study was to compared the magnitude of excess post-oxygen consumption(EPOC) following resistance exercise(1-RM of 60%) and aerobic exercise(VO₂ max of 60%). The subjects of study were consisted of each ten trained and untrained male college students(19.7±2.3, 19.3±0.5 years). This study was designed to compare the magnitude of EPOC following two exercise types. For both exercise types, resistance and aerobic exercise was energy consumption of total 300㎉ during exercise(untrained aerobic & resistance 298.6±2.9, 297.8±2.1㎉ ; trained aerobic & resistance 299.6±2.6, 295.7±4.l㎉). The dependant variables in this study consisted of three parts, metabolic variables (VO₂, RER, rectal temperature, lactic acid), EPOC and total energy consumption after exercise. To compare the difference of metabolic variables rest, during exercise and recovery period of each groups, 2×2 combined design two-way ANOVA was used. 2×2×2 combined design three-way ANOVA were used for compare the metabolic variables rest, during exercise and recovery period between groups. EPOC and total energy consumption during recovery period was used one-way ANOVA. The statistical significance was set at 0.05. The results were obtained as following, first, VO₂ during recovery of each groups was higher significantly than the rest(both group; until 5 min, p<0.05). RER was decreased significantly in both untrain and train group(p<0.05). Rectal temperature(RT) and lactic acid concentration was higher significantly than the rest in each group(p<0.05). Second, the difference of exercise types was statistically significant among two groups. Finally, result of EPOC and total energy consumption was higher significantly trained group than untrained group in after aerobic exercise(p<0.05). However, resistance exercise was not statistically significant between groups, but the value was higher trained group. The results suggest that EPOC follow aerobic exercise higher the resistance exercise, thus exercise prescription for weight loss and fat oxidation following exercise include aerobic exercise. However resistance exercise is recommended, because fat oxidation ratio was higher during recovery period by resistance exercise.

감광성폴리이미드의 합성과 광학특성에 관한 연구(Ⅰ)

오대희 釜慶大學校 1999 釜慶大學校 論文集 Vol.4 No.1

4-(1,8-naphthalimido)butyl methacrylate was synthesized in fairly good yield by reacting N-(4-hydroxybutyl)naphthalimide with methacryloyl chloride and radically polymerized. The emission spectrum of this polymer shows a weak monomer emission band at about 380nm and a strong excimer emission band at about 460nm in 1,2-dichloroethane solution. These results were discussed in view of the excimer formation and polymeric structure.

Digital shade analysing system을 이용한 상악 유절치의 색조에 대한 연구

오민형,김대업,이광희,라지영 대한소아치과학회 2006 大韓小兒齒科學會誌 Vol.33 No.3

만성신부전증 환자의 HLA 동종항체 분석

김대원,양윤선,김선희,오하영 대한임상병리학회 1997 대한임상병리학회지 Vol.17 No.1

외상성 골낭의 치험례 : A CASE REPORT

오민형,이광희,김대업 大韓小兒齒科學會 2005 大韓小兒齒科學會誌 Vol.32 No.1

외상성 골낭(Traumatic Bone Cyst)은 상피이장이 없는 비치성낭으로 감염의 증거가 없으며 많은 액체가 내장되는 특징을 가지는 병소이다. 외상성 골낭은 자각증상이 없는 병소로 10대에서 20대 사이에 호발하며 주로 남자에서 호발한다. 병소는 방사선학적으로 조개껍질 모양의 명확한 경계를 가지며 방사선 투과상을 보인다. 병소는 해면골에 위치하며 간혹 치밀골을 팽창시키거나 비박화시킨다. 병소 주변의 치아는 생활력을 유지하는 특징이 있다. 일반적으로 외상성 골낭은 방사선학적, 임상적인 기준으로 진단을 내리게 된다. 외상성 골낭의 치료법은 일반적으로 외과적인 적출술과 소파술을 시행한다. 본 두 증례 중 첫 번째 증례에서 환아는 개인치과의원에서 치수치료 도중 방사선 사진에서 방사선투과상이 발견되어 본원으로 의뢰되었으며 파노라마 방사선 사진촬영 결과 좌측 하악골에 명확한 경계를 보이는 방사선 투과상을 보였다. 두 번째 증례에서 환아는 치외치인 상악 우측 제2소구치의 농양을 동반한 종창을 주소로 내원하였다가 초진시 촬영한 파노라마 방사선 사진에서 우측 하악골에 명확한 경계의 방사선 투과상을 보였다. 두 증례 모두 임상적, 방사선학적 검사결과 외상성 골낭으로 진단받았다. 첫 번째 증례에서는 생활력을 상실한 인접치아의 치근단공에 과기구 조작을 실행하여 병소를 교통시킨 후 지속적인 세척을 시도하여 병소가 치유되는 양상을 보였고, 두 번째 증례에서는 아무런 처치 없이 지속적인 관찰결과 병소의 크기가 감소하는 양상을 보였다. 본 두 증례에서 외과적인 적출술과 소파술을 시행하지 않고 보존적인 처치를 하였음에도 병소가 치유양상을 보이기에 보고하는 바이다. Traumatic bone cyst is a nonodontogenic cyst without epithelial-ling which contains fluid in it's cavity, and it is limited by bone walls with no evidence of infection. Traumatic bone cyst is asymptomatic and appears more frequently in the second decade. Gender distribution is approximately equal, although males are affected slightly often than females. Radiographically the lesion shows a well demarcated radiolucent lesion of variable size and the lesion may have scalloped margins. The adjacent teeth to traumatic bone cyst remains vital. Traumatic bone cyst is usually treated by surgical exploration and currettage of the lesion. In the first case of this case report, the patient was refered from the local dental clinic for the radiolucent area under the left mandibular first molar. From the panorama radiograph at the first visit, the radiolucent area of the left mandible showed a well defined scalloped margin and identified as traumatic bone cyst. In the second case, the patient have visited for the chief complaint of swelling and abcess of right maxillary second premolar. In the radiographic check up with panorama radiograph, the radiolucent lesion with well demarcated scalloped margin was found in the right mandible body, and identified as traumatic bone cyst. In the first case, overinstrumentation was done through the mesial root canal to irrigate the lesion. In the second case, not any treatment was done, and watched the progression of the lesion. And in both cases, after two month, the radiolucency and the size of the lesion has decreased to show healing in progress.