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손보형,이효빈,황호길,윤창륙,여환호 大韓顎顔面成形再建外科學會 1992 Maxillofacial Plastic Reconstructive Surgery Vol.14 No.4
The author investigated the 162 patients with the condylar fractres of the mandilble who were admitted in Dept. of Oral and Maxillofacial Surgery, Hospital of Chosun Dental School from January 1985 to September 1992 clinically, including fracture incidennce, age and sex of the patients, causes of injures, associated injures, treatments and complications and obtained the following results. 1. Of the 449 patients with mandibular fractures, 162patients suffered condylar fractures(36.1%). 2. Of the 162 patients, males with condylar fractures were 128 patients, by a ratio of 3.8 : 1. 3. The most frequently affected age group was the third decade(32.7%). 4. Falls were ranked as the predominant cause(50.6%), followed by traffic accident(27.8%) and violence (16.0%). 5. The incidence of single condylar fractures was 28% and symphysis fractures were the most commomest of the concomittant injuries(60%). 6. The subcondylar fractures occurred most frequently(41.6%) and anteromedial displacement of the condylar fragments occurred most frequently(45.4%) 7. Of the all condylar fracture patients, children under 15 of age comprized 31 patients(19.1%) and condylar head fractures occurred most frequently at those children. 8. Of the managetments in condylar fractures, open reduction was 52.5% and remainder were closed reduction(47.5%). 9. Complications ensured such as TMJ ankylosis, limitation of mouth opening and mandibular movements, TMJ dysfunction, and anterior open bite.
민병윤,손성원,이호원 경남대학교 환경문제연구소 1987 환경연구 Vol.9 No.-
1985년 9월부터 1986년 7월까지 경상남도 마산시와 통영군에서 관박쥐 및 긴날개박쥐를 채집하여 박쥐 체내에 잔류하는 유기염소화합물 (PCB, BHC, DDT)의 농도를 조직 (간, 흉근, 잔해)별로 측정한 결과 전 개체로부터 이들 화합물이 높은 농도로 검출되었고, 이로부터 이들 화합물의 강한 잔류성이 시사되었다. 또한 검출된 화합물의 농도는 박쥐의 종류 [관박쥐 (평균), PCB(0.25 ppm) > BHC(0.19 ppm) > DDT(0.05 ppm) ; 긴날개박쥐 (평균), DDT(1.97 ppm) > BHC(1.63 ppm) > PCB(0.30 ppm) > 및 조직부위 [관박쥐, 잔해 (0.70 ppm) > 간 (0.40 ppm) > 흉근(0.37 ppm) ; 긴날개박쥐, 잔해 (5.61 ppm) > 흉근(4.96 ppm) > 간 (1.12 ppm)]에 따라 달랐으며 이는 이들 화합물외 사용 형태, 물리화학적성질 및 박쥐류의 서식환경, 식성과 생리등에 의해서 결정됨이 시사되었다. Residue levels of PCBs, BHC isomers and DDT compounds were examined in two species of bats, the greater horseshoe bat, Rhinolophus ferrumequinum korai and the long-fingered bat, Miniopterus schreibersi fuliginosus, collected from Masan City and Tongyoung-gun in Korea during the period from September 1985 to July 1986. From the high residue levels of the organochlorine compounds in the two species, prolonged persistency of these compounds were suggested. Further, the difference in contaminant levels in the two species (R.f.korai, PCB 0.25ppm > BHC 0.19ppm > DDT 0.05ppm; M. s. fuliginosus, DDT 1.97ppm > BHC 1.63 ppm > PCB 0.30 ppm) and in the tissues examined (R.f. korai, carcass (). 70ppm > liver 0.40ppm > breast muscle 0.37ppm ; M. s. fuliginosus, carcass 5.61ppm > breast muscle 4.96ppm > liver 1.12ppm) seemed to be due to the disparity in uses and physio-chemical properties of the compounds, and in habitat, food and physiology between the two species.
철서 지역에서 채집한 양서류의 중금속 오염에 관한 연구
이호원,손성원,이두표,민병윤 경남대학교 환경문제연구소 1991 환경연구 Vol.13 No.-
본 연구는 비오염 지역에서 참개구리의 성장 단계벨로 증금속의 축적 변동을 조사한 것이다. 일반적으로 올챙이 시기의 증금속 농도는 Fe > Mn > Zn > Cu > Ni > Pb > Cd,Hg의 순이었으며 성체 시기에는 Zn > Fe, Mn > Cu > Pb > Ni > Cd, Hg의 순으로 나타났다. Fe, Mn, Cu, Ni 농도는 성장이 진행됨에 따라 점차 낮아지는 경향을 보였고 Zn은 전기간을 통해 큰 변동이 없는것으로 나타났다. 대부분의 원소는 뒷다리 형성 시기에 체중 증가에 따른 농도 회석 현상이 발견 되었으며 이러한 현상은 Fe, Mn, Ni에 대하여 성체가 되는 시기에 특히 현저하였다. Heavy metal accumulations and their age-related changes were investigated in the tadpole and adult frog (Rana nigromaculata) inhabiting non-polluted area. A rank of metal concentrations was Fe > Mn > Zn > Cu > Ni > Pb > Cd. Hg in tadpole stage, and Zn > Fe, Mn > Cu > Pb > Ni > Cd, Hg in frog stage. The concentration of Fe, Mn, Cu and Ni decreased with age, and Zn concentration did not change much. A dilution effect of metal concentration by increased body weight was observed in the stage of tadpole with hind limb for most of metals, and it was marked in the stage of adult frog for Fe, Mn and Ni.
하계 실내 및 실외환경의 공기 중 휘발성 유기화합물 농도 및 개인노출
양원호,손부순,박종안,장봉기,박완모,김윤신,어수미,윤중섭,류인철 한국환경과학회 2003 한국환경과학회지 Vol.12 No.9
Volatile organic compounds (VOCs) are present in essentially all natural and synthetic materials from petrol to flowers. In this study, indoor and outdoor VOCs concentrations of houses, offices and internet-cafes were measured and compared simultaneously with personal exposures of each 50 participants in Asan and Seoul, respectively. Also, factors that influence personal VOCs exposure were statistically analyzed using questionnaires in relation to house characteristics, time activities, and health effects. All VOCs concentrations were measured by OVM passive samplers (3M) and analyzed with GC/MS. Target pollutants among VOCs were Toluene, o-Xylene, m/p-Xylene, Ethylbenzene, MIBK, n-Octane, Styrene, Trichloroethylene, and 1,2-Dichlorobenzene. Indoor and outdoor VOCs concentrations measured in Seoul were significantly higher than those in Asan except Ethylbenzene. Residential indoor/outdoor (I/O) ratios for all target compounds ranged from 0.94 to 1.51 and I/O ratios of Asan were a little higher than those of Seoul. Relationship between personal VOCs exposure, and indoor and outdoor VOCs concentrations suggested that time-activity pattern could affect the high exposure to air pollutant. Factors that influence indoor VOCs level and personal exposure with regard to house characteristics in houses were building age, inside smoking and house type. In addition insecticide and cosmetics interestingly affected the VOCs personal exposure. Higher exposure to VOCs might be caused to be exciting increase and memory reduction, considering the relationship between measured VOCs concentrations and questionnaire (p<0.05).
권순정,손덕영,최윤호 한국의료복지시설학회 2008 의료·복지 건축 Vol.14 No.4
Construction and operation of Germ Free Pigs' facilities are very expensive because pigs' rooms and other major rooms of the facility require germfree environments. Especially, running the HVAC system of aseptic facilities requires a lot of expenses. However proper location and efficient shape of outlets/inlets for the ventilation of the room can reduce the excessive running cost. In order to do that, this study proposes alternative location and shape of ventilation outlets/inlets to the existing design pattern in germfree pigs' room. The design condition of this study is the maintenance of adequate temperature(24'C), NHs concentration level(below 1.5 ppm), and air stream speed(be1ow .25m/sec) in the pigs' room for the summer and the winter together. As the Software Program, FLUENT(Ver. 6.2) has been used for the analysis of proposed ventilation patterns, In conclusion, wall inlets and ceiling inlet/outlet are advisable in summer, wall inlets and ceiling outlets is advisable in winter. As far as the shape is concerned, diffuser type for the ceiling outlet is desirable.
서수원,손정민,윤기영,최호정,박성준,이영원,정성목,신상태,조종기 忠南大學校 獸醫科大學 附設 動物醫科學硏究所 2006 動物醫科學硏究誌 Vol.14 No.-
A 12-year-old, female miniature pinscher dog with history of fever and vaginal discharge 3 days ago was referred to the Veterinary Medical Teaching Hospital of Chungnam National University. A diagnosis of pyometra was made by survey of abdominal radiographs and ultrasonography. The uterus appeared as convoluted and tubular appearance filled with anechoic to hypoechoic fluid. Ovariohysterectomy was the choice of cervical patency. Medical therapy for pyometra may be appropriate in bitches that were of breeding age and that were not systemically ill. The surgery was fine. After 1 week, the dog was getting better.