강원도 화천군 수달(Lutra lutra) 서식지의 식생 구조

서형수 ( Hyung Soo Seo ),신영섭 ( Young Seob Shin ),이경은 ( Kyung Eun Lee ),김윤미 ( Yoon Mi Kim ),전미나 ( Mina Jeon ),남택우 ( Taek Woo Nam ),한성용 ( Sung Yong Han ),정연숙 ( Yeonsook Choung ) 한국하천호수학회 2014 생태와 환경 Vol.47 No.special

In order to determine whether vegetation would be one of the factors for the selection of otter home range, vegetation structure and other potential factors were studied in Hwacheon, Korea. Thirteen sites, otter’s activity found and not found, were investigated in North Han River and connected tributary streams of Hwacheon-gun. Three types of vegetation were classified by cluster analysis, which is short grass, tall grass and shrub type. Vegetation zone of each channel is composed of either one type, or mosaic of tall grass and shrub type. Short grass type is common in Lake Paro and upper North Han-river where water level is highly variable throughout a year. Therefore, annual species such as Persicaria nodosa, Fimbristylis dichotomam and Chenopodium ficifolium are the most dominant. Shrub type is common at the downstream sites of Jichon stream and along mainstream of North Han River down Lake Paro. A shrub species, Salix koreensis, is the most common. Tall grass type is dominant occupying the most vegetation zone of the tributary channels. Phragmites japonica is absolutely dominant. Due to its dense cover, a few plant species are co-existed. Otter activity was found in all three vegetation types and no marked activity was found at some sites of tall grass type. There is no difference in species composition and physiognomy between tall grass sites with and without otter activity, while it shows significant difference in fish availability between two groups. Overall we found that home range of otters in the region is along the mainstream and downstream of tributary streams with high fish availability in all vegetation types and in various human activity levels.

조직확장기 사용의 임상적 고찰

한흥수,김우경,김수신,백세민 大韓成形外科學會 1991 Archives of Plastic Surgery Vol.18 No.1

Recently, soft tissue expansion technique using tissue expanders has become a popular method for reconstruction of soft tissue defect because it provides high quality tissue with similar color, texture and hair bearing characteristics without significant donor site problems. During the period September, 1983 to December, 1988, we used tissue expanders to treat 36 patients with soft tissue defect, 3 scalp, 10 face, 6 neck, 4 trunk, 10 upper extremity, 3 lower extremity and evaluated the operative techniques, results and complications as follows. 1. We achieved favorable results in 31 cases(86.1%), especially in scalp, face and upper extremity, but poor results in lower extremity, especially below knee in location. 2. We experienced major complications in 2 cases(5.6%) such as implant exposure and minor complications in 7 cases(19.4%) such as hematoma, partial necrosis, infection, underlying bony depression etc. 3. Capsular excision is not desirable, but capsular release may permitted to acquire maximal length of the advancing flap. 4. In case of microtia, expanded tissue which was obtained from expanders is defficient for elevation of framework without skin graft. 5. Accurate and meticulous preoperative evaluation is the most important factor in achieving good and results.

저장기간에 따른 3개 수종의 종자 및 발아 특성 변화

한심희,김찬수,장석성,이현주,탁우식 한국농림기상학회 2004 한국농림기상학회지 Vol.6 No.3

This study was conducted to examine the changes in the seed physical characters and germinative properties of three tree species at three different storage times in order to determine the most suitable storage time and condition. Seed physical characters and germinative properties were examined from seeds of Fraxinus rhynchophylla, Zanthoxylum schinifolium and Staphylea bumalda that were stored at -18C for 1, 3 and 10 years, and the growth performance and physiological characters of their seedlings were analyzed. Seed physical characters and germinative properties showed significant differences between three storage times as well as three tree species. Seed moisture content of F. rhynchophylla and S. bumalda and seed fresh weight of Z. schinifolium decreased with increase of storage time. Storage time represented negative correlation with moisture content and fresh weight (r = -0.822, p < 0.01). Seed percent germination of Z. schinifolium and S. bumalda stored for 3 and 10 years decreased less than 15% and 10.7% respectively. Mean germination times for seed of F. rhynchophylla, Z. schinifolium and S. bumalda were delayed 11.9, 5.7 and 9.7 days after a storage time of 10 years, respectively. However the growth and viability of seedlings didn't show a special pattern for storage time and tree species.

저질에 따른 꼬막(Tegillarca granosa)의 염분내성

한경호,진동수,추은경,이우범,이원교 國立 麗水大學校 環境問題硏究所 2000 環境硏究論文集 Vol.3 No.-

The present study was conducted to know the salinity tolerance of the bloody clam, Tegillarca granosa (Linnaeus) caught in Gang-jin Bay from May to June in 2000. In the experimental groups of sandy-mud, the survival and infiltration rate were not bad at 20~40ppt, but all the bloody clam, Tegillarca granosa died at more than 50ppt and less than 10ppt before the experiment finish. In the experimental groups of muddy, the survival and infiltration rate wrer not bad at 20~35ppt and then 40ppt, 45ppt. All the bloody clam, Tegillarca granosa died at more than 50ppt and less than 10ppt. The infiltration rate was high at 25~35ppt in the both of two experimental groups. In the sandy-mud, the bloody clam, Tegillarca granosa infiltrated less than half of their shells at 25ppt, 30ppt but in the muddy, they infiltrated more than half of their shells at 25ppt, 30ppt, 35ppt.

슬러지 전처리와 고농도 MBR을 이용한 슬러지 감량화 공정연구

한규철,염익태,정우진,김형수 대한상하수도학회 2003 상하수도학회지 Vol.17 No.4

From this research, the performances of a sludge reduction in the sewage sludge aerobic digestion was experimented by using a sludge pretreatment and membrane bioreactor. The submerged plate membrane was used as the solid-liquid separation membrane . After drawing small amounts of sludge in a bioreactor and then doing the alkaline treatment and ozone treatment, the sludge was sent to back to the reactor. The HRT in the reactor was set as 5 days and the operation in the reactor was carried out at the DO of 1㎎/L on average. After 100 days of operation in the reactor, it was shown that the reduction efficiency of total solids was more than 83%. Most of volatile solids were removed through mineralization, and the considerable portion of the nonvolatile solids was dissolved and then flowed out with the effluent. Only about 16.3% of total solids in the sludge was accmulated in the reactor even without the loss of volatile fraction. Also, by deriving nitrification and denitrification in one reactor simultaneously, more than 90% of nitrogen removal effect was realized and the experiment was run smoothly without fouling of membrane, even in the high concentration of MLSS. Based on this experiment. sludge can be reduced considerably at a low HRT by these two newly suggested approach.

하루 콩단백질 25g 섭취를 위한 메뉴작성 및 영양성분 분석

한재숙,김정애,서봉순,이연정,서향순,조연숙,한경필,이신정,오옥희,우경자,조은자,구성자,김수진,李承彦,南出隆久 동아시아식생활학회 2002 동아시아식생활학회지 Vol.12 No.2

The purpose of this study was to develop menus for daily intake of 25g soybean protein and to analyse nutrients of these foods. Analytical values were compared to the theoretical one using the food composition table and recommended dietary allowances for Koreans (7th revision). The results are as follows. 1. Soybean curd residue stew, Soybean curd, Kimchi saute, and hard boiled soybean and lotus root were selected for the menu for January, of which the content of soy bean protein(SBP) was 33.1g, soybean stew, soybean curd and soybean sprout saute, and Italian deep fried soybean curd were for February, of which the content of SBP was 35.0g. The content of SBP in soybean paste soup with soybean curd, fried soybean curd and fried soybean curd roll, the menu for March, was 24.9g. That of April were soybean curd gratin with soymilk, soybean curd and ham with garlic dressing and the content of SBP was 26.3g. That of May were soybean porridge, soybean flour cake with honey (Dasik), soybean sprout soup and the content of SBP was 26.7g. That of June were soymilk, pan-fried soybean curd, steamed soybean curd with chicken and the content of SBP was 28.4g. That of July were noodle with soymilk, mapatofu, soybean curd salad and the content of SBP was 24.7g. That of August were soybean sprout with mustard dressing, Tossed green pepper with raw soybean flour, Tofu and Kimchi stew, soybean curd steak and the content of SBP was 26.2g. That of September were Chinese cabbage soup with raw soybean flour, sweet and sour tofu and the content of SBP was 23.2g. That of Oct. were Fermented soybean stew, soybean pan cake and the content of SBP was 24.3g. That of November were not-pressed soybean curd casserole, pan-fried mashed soybean curd with egg, stir frying deep-fried soybean curd with vegetables and the content of SBP was 22.4g. That of December were soybean curd and mushroom casserole, fried soybean curd and vegetables, hard boiled soybean curd and the content of SBP was 28.9g. 2. The ratio of the analytical value over theoretical value (A/B%) of one serving in kcal, carbohydrate, protein, fat, ash and dietary fiber were 57.7~107.7%, 42.9~131.9%, 79.2~118.3%, 54.5~100%, 40.7~80.8% and 42.1~113.2%, respectively. 3. The ratio of A/B% of one serving in Ca, K, Na, P and Fe were 44.1~93.6%, 59.0~153.1%, 53.1~117.7% 64.6%~138.8 and 33.8~77.3%, respectively. That in Fe was the lowest among minerals. 4. The ratio of analytical value over Korean R.D.A(A/C%) in Ca was relatively higher (22.0~85.9%) than that in kcal(18~63%). 5. The ratio of A/C% in Fe was 25.1~64.3% and lower than that in Ca and protein in general.

치은연하 파절로 치조골 소실을 동반한 상악측절치에서 orthodontic extrusive remodeling후 임플란트 식립을 통한 심미수복 : 증례보고

황수연,손원준,한영철,배광식,백승호,이우철,금기연 大韓齒科保存學會 2008 Restorative Dentistry & Endodontics Vol.33 No.1

심미적으로 중요한 전치부에서 단일 치아 임플란트를 이용한 보철수복은 임상의에게 새로운 도전과제 중의 하나가 되었다. 그러나 전치부에서 single-unit implant는 식립할 부위의 치조골 상태가 양호해야 하는데 치은연하 파절로 인해 치아 주위에 골 손실이 있는 경우 immediate implant는 심미적으로 문제를 야기할 수 있다. 따라서 본 증례는 "orthodontic extrusive remodeling"을 통해 파절치와 주위 조직을 교정적으로 정출시켜 임플란트 식립을 위한 연조직과 경조직을 증대시킨 후 임플란트 식립을 통해 상악측절치에서 성공적인 심미수복을 이룬 증례에 관한 것이다. The treatment of esthetic areas with single-tooth implants represents a new challenge for the clinician. In 1993, a modification of the forced eruption technique, called "orthodontic extrusive remodelling" was proposed as a way to augment both soft- and hard-tissue profiles at potential implant sites. This case report describes augmentation of the coronal soft and hard tissues around a fractured maxillary lateral incisor associated with alveolar bone loss, which was achieved by forced orthodontic extrusion before implant placement. Through these procedures we could reconstruct esthetics and function in a hopeless tooth diagnosed with subgingival root fracture by trauma.

VDT 사무공간의 조명 및 디밍제어 성능 평가

김한성,김영민,조동우,김강수 대한건축학회 2003 대한건축학회논문집 Vol.19 No.2

The purpose of this study was to provide the evaluation data of daylighting and electric lighting performance when a dimming system was applied to VDT(Visual Display Terminal) office spaces. For the performance evaluation, Radiance program was used for simulations, and the mock-up room(3.5×7.8×2.8m) was used for the actual test. The results of this study were as follows; 1) When the simulation data using Radiance was compared with actual data, there was a 5.9% difference. 2) The mock-up office space gained a sufficient workplace illuminance of 679 lux with the dimming control system. 3) Recorded power budget was about 6 W/m² in the mock-up office space, and about 50% of lighting energy could be saved using the dimming control system.

단어출현빈도분석과 AHP를 통한 기술 연구 동향과 기대 효과 분석: 바이오 에너지 분리막을 중심으로

이인우(Lee, In-Woo),서한결(Seo, Han-Gyeol),장수진(Jang, Soo-Jeen),조철희(Cho, Churl-Hee),정양헌(Chung, Yang-Hon) 한국경영교육학회 2020 경영교육연구 Vol.35 No.5

[연구목적] 본 연구는 과학 기술 연구 동향과 기술 도입 기대 효과를 함께 분석하는 방안을 바이오 에너지 분리막 분야에 적용하여 연구개발 전략 제시에 도움이 되는 연구 방안을 제시하고자 하였다. [연구방법] 본 연구는 분리막 기술 연구 방향과 기대효과를 분석하기 위해 각각에 대해 두 가지 연구방법을 이용하였다. 우선 텍스트 마이닝을 통해 단어출현 빈도분석으로 선행연구의 연구 방향을 확인하였고, AHP를 통해 기대효과를 알아보았다. [연구결과] 분석결과 분리막 기술의 연구 방향은 주로 분리막 관련 다양한 공정과 공정개선을 통한 성능 향상에 있는 것으로 확인되었다. 분리막 기술을 통한 기대 효과는 바이오 에너지 공정에서 발생하는 환경 문제 해결이 주된 것으로 나타났다. [연구의 시사점] 분리막 관련 연구는 분리막 성능에 중점을 두고 진행되고 있으며 분리막을 실제 공정에 도입하는 측에서 기대하는 부분은 분리막 도입으로 인한 효과와 분리성능 향상에 의한 효과에 중점을 두고 있음을 확인하였다. 이는 분리막 기술 연구가 실제 니즈를 잘 반영하여 이루어지고 있음을 보여준다. 이처럼 특정 기술의 연구 방향과 도입에 따른 기대효과를 함께 분석할 수 있으며, 이는 연구개발 전략 제시에 도움이 될 수 있음을 확인하였다. [Purpose] Purpose of this study is to propose a research methodology that is helpful in presenting the R&D strategy by applying analysis on research trends and expected effect of technology introduction together in the field of bioenergy membranes. [Methodology] For this purpose, we used two research methodologies. Word frequency analysis of text mining was used to analyze the research trends of previous studies, and the expected effect was investigated through AHP. [Findings] This study found that the research trends of membrane is mainly to improve performance through various processes and expected effect focus on environmental problem solving arising from bioenergy process. [Implications] It was confirmed that main research trends of membrane is performance of membrane and expected effect is performance improvement by introduction of membrane in bioenergy processes. This shows that research on membrane is well reflected in actual needs. This methodology can be helpful in presenting the consumer-oriented R&D strategy.

프로와 아마추어 씨름선수들의 경쟁상태 및 특성불안에 관한 연구

이한우,육동원,고의석,김경수 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.1

The purpose of this study was to investigate differences of competition state anxiety (somatic state anxiety, cognitive state anxiety, and state self-confidence) and competition trait anxiety among three groups(highschool, university, and professional Korean Ssireum Players), and between winners and non-winners to analyze and evaluate the state of competition anxiety felt by players. Further more, This study present some useful guiding principles of effective coaching to improve the performance ability and control the competition anxiety of Ssireum players at fields. A total of 487 Ssireum players(204 highschool players, 206 college players and 77 professional players) participated in the SCAT and the CSAI-2 competition anxiety tests. Data were analyzed with One-way ANOVA and T-test. Results were as followings : College players showed significantly lower competition trait anxiety than highschool and professional players. Winner-group showed significantly lower competition trait anxiety than non-winner group. The three groups showed no statistically meaningful differences in the somatic and the cognitive state anxiety, but professional players showed significantly higher state self-confidence than highschool players. There were no differences in somatic state anxiety between winner group and non-winner group, but winner group showed significantly lower cognitive state anxiety and higher state self-confidence than non-winner group.