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우두흉(漏斗胸)의 외과적(外科的) 치료(治療) (Sterno-turnover 방법(方法)에 의(依)한)
최순호,Choi, Soon Ho 대한흉부심장혈관외과학회 1976 Journal of Chest Surgery (J Chest Surg) Vol.9 No.2
A case of congenital funnel chest which was observed in 6 year old male was reported. The patient represented clinical status of depression of lower sternum, recurrent upper respiratory tract infection, and slight exertional dyspnea. The treatment was carried out by "turnover" method, and it was easy to do viable on sternum, costal cartilage, and intercostal muscles. And it is fit to reimplantation by free autograft when repair was indicated. The plane of the manubrium, an acute hump on the sternum, and asymmetry constitute limiting factors in the cosmetic results.
일병원에서 나타난 간이식 환자들의 섬망 양상-후향적 연구
최순호,손정인,김상억,한오수,Choi, Soon-Ho,Son, Jung-In,Kim, Sang-Eok,Han, Oh-Su 한국정신신체의학회 2007 정신신체의학 Vol.15 No.2
연구목적 : 본 연구는 국내 일병원에서 시행된 섬망을 경험한 간이식 환자의 임상적 특성을 알아보고자 하였다. 방법 : DSM(Diagnostic and Statistical Manual of Mental Disorders)-IV-TR(Text Revision)에 따른 섬망의 진단기준에 의해 섬망으로 진단 받은 29명의 환자에 대하여 후향적인 의무 기록 평가를 통하여 섬망의 기간과 임상 양상간의 상관관계를 알아보았다. 결과 : 국내 일병원에서 시행된 간이식 환자들 중 섬망을 보인 환자에게 수술 전 섬망의 존재 유무, 수술 이전 간성뇌병증의 횟수, 중환자실 재원 기간이 섬망 기간과 통계적으로 유의한 상관 관계를 보이었다. 결론 : 여러 제한점이 있지만 국내 간이식 환자들 중 일병원의 일부 환자들에게 나타나는 섬망의 특징을 알아보았다. 본 연구 결과에 따르면 수술 전 간성뇌병증이 간이식 이후의 섬망에 영향을 주는 것으로 보여진다. Object : This study aimed to investigate the characteristics of delirium in liver transplanted patients in a hospital in Korea. Method : We reviewed the medical records of 29 liver transplanted patients who were confirmed as delirium by psychiatrists with DSM-IV-TR diagnostic criteria. We estimated the correlation between delirium and clinical conditions of liver transplantations. Result : Post-operative delirium duration was significantly correlated with frequency of hepatic encephalopathy, pre-operative mental status, and stay of intensive care unit. Conclusion : Although there were many limitations of this study, it seemed that pre-operative hepatic encephalopathy affected post liver transplantation delirium.
최순호(Soon-Ho Choi),송영호(Young-Ho Song),윤정오(Jeong-Oh Yun),김경석(Kyong-Suk Kim),최두열(Du-Youl Choi) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.11
Traditionally, Middle East area is suffered from the lack of water. In addition, as growing the global industrialization, human is faced with the shortage of water resource at present, which makes the desalination system the promising business. Recently, many domestic engineering companies focus on the desalination plant market because it will be promising business in the next few decades. This study was performed to evaluate the theoretical heat balance calculation for multi-stage evaporating type desalination system, especially Multi-Effect Desalination (MED). In MED system, the steam evaporated in the first stage is used for the heating source of the second stage and this process is repeated for the next stage. Therefore, this heat balance calculation method from this study will be highly useful to design the MED system.
청보리 사일리지 급여 시 농후사료 급여수준이 흑염소의 가소화 영양소 섭취량, 영양소 이용율 및 질소축적에 미치는 영향
최순호(Sun Ho Choi),황보순(Soon Hwangbo),김상우(Sang Woo Kim),김원호(Won Ho Kim),조익환(Ik Hwan Jo) 한국초지조사료학회 2010 한국초지조사료학회지 Vol.30 No.1
본 연구는 조사료원으로 청보리 사일리지 급여시 농후사료 급여수준이 육성기 흑염소의 가소화 영양소 섭취량, 영양소 이용율 및 질소축적율에 미치는 영향을 조사하였다. 시험구는 4처리구 (볏짚+농후사료 체중의 2.0%, 청보리사일리지 + 농후사료 체중의 2.0%, 체중의 1.5%, 체중의 1.0%)로 나누어 처리구당 3두씩 라틴방각법으로 시험을 실시하였다. 시험기간 동안의 1일 두당 가소화 조단백질 섭취량은 대조구, 청보리 사일리지에 농후사료를 각각 체중의 2.0과 1.5% 급여구가 농후사료를 1.0% 급여구 보다 유의하게 높았다 (p<0.05). 가소화 NFC 섭취량은 청보리 사일리지와 농후사료를 체중의 2.0% 급여구가 가장 높았고, 농후사료를 1.0% 급여구가 가장 낮았다 (p<0.05). 일당 증체량은 청보리 사일리지+농후사료 2.0%, 청보리 사일리지+농후사료 1.5%, 볏짚 + 농후사료 2.0%, 청보리 사일리지+ 농후사료 1.0%, 순으로 유의하게 낮아졌다 (p< 0.05). 건물소화율은 청보리 사일리지와 농후사료를 1.5% 급여구가 대조구 보다 유의하게 높게 나타났다 (p<0.05). 질소축적량은 대조구와 청보리 사일리지에 농후사료를 각각 체중의 2.0과 1.5% 급여구가 농후사료 1.0% 급여구보다 유의하게 높았다(p<0.05). 이러한 결과를 종합적으로 고려할 때 청보리 사일리지를 조사료원으로 급여시 육성기 흑염소의 생산성과 효율적인 영양소 이용을 위한 농후사료 급여수준은 1.5%가 적정한 것으로 사료된다. This study was aimed to investigate the effects of feeding level of concentrate on the digestible nutrient intake, using efficiency of nutrients and nitrogen retention of growing Korean black goats (KBG) fed on whole crop barley (WCB) silage. WCB silage with concentrates at 2.0% (BS2.0), 1.5% (BS1.5) and 1.0% (BS1.0) of BW, respectively, and rice straw with concentrate at 2.0% (RS2.0) of BW as a control. Goats for digestibility trials were assigned within each group with three animals to individual metabolism crates with Latin square design. Digestible crude protein (DCP) intakes goats in control, BS2.0 and BS1.5 was significantly higher than that in BS1.0 (p<0.05). Digestible NFC intakes of goats in BS2.0 and BS1.5 was significantly higher than that in BS1.0 (p<0.05). The highest Average daily gain (ADG) were recorded in group BS2.0 followed by BS1.5, RS2.0 and BS1.0 (p<0.05). The highest DM digestibility was shown in group BS1.5 treatments (p<0.05). Nitrogen retentions in RS2.0, BS2.0 and BS1.0 were significantly higher than that in group BS1.0 (p<0.05). The results obtained from this study suggested that feeding level of concentrate seems to be proper at 1.5% of BW to achieve the best performance when black goats are fed WCB silage as a roughage source with concentrate.
최순호(Soon-Ho Choi),최장흠(Jang-Hum Choi),김찬기(Chan-Ki Kim) 대한전기학회 2013 전기학회논문지 Vol.62 No.1
This paper deals with the concept design of HVDC system for controlling AC network reactive power. HVDC system can control active power and reactive power and the control concept of reactive power is similar to SVC(Static Var Compensator). Reactive power is controlled by adjusting firing angle of HVDC system under the condition that AC filters are switched. Reactive power depends on AC voltage condition, considering the steady-state and transient state to maintain the stable operation of AC network in the viewpoint of voltage stability. Therefore, in the design stage of HVDC, the reactive power required in the AC network must be considered. For the calculation of operation angle in HVDC system, the expected reactive power demand and supply status is examined at each AC system bus. The required reactive power affects the determination of the operation angle of HVDC. That is, the range of "control deadband" of operation angle should have the capability supplying the required reactive power. Finally, the reactive power control concepts is applied to 1GW BTB Pyeongtaek-Dangjin HVDC system.
농산부산물 발효사료 급여가 비육흑염소의 생산성 및 영양소 이용율에 미치는 영향
최순호(Sun Ho Choi),황보순(Soon Hwangbo),김상우(Sang Woo Kim),조영무(Young Moo Cho),유용희(Yeoung Hee Yoo),김태일(Tae Il Kim),김맹중(Maeong Joung Kim),이상민(Sang Min Lee),최창원(Chang Weon Choi),서병부(Byeong Bu Seo),조익환(Ik Hwan 한국초지조사료학회 2012 한국초지조사료학회지 Vol.32 No.1
This study was conducted to investigate the feeding fermented agro-industrial by-products on estimating the productivity and nutrient utilization of fattening black goats. Four experimental groups were set up with each of 6 animals for a 30 days feeding trial on growth performance and 12 black goats on nutrient digestibility were allocated to 4 groups of 3 animals each by latin-square design, control (offered concentrate and rice straw) and 3 treatment groups (offered fermentation feed and rice straw). Average daily gain (ADG) showed a significant high in control group, T3 was lower than other groups (p<0.05). DM and OM intake (㎏/head) were 718.8, 680.9 g and 634.2~699.2 g, 602.8~660.4 g for control and treatment groups, respectively. As increasing of rice bran content was decreased feed intake. Digestibility of DM and OM for control group were significantly higher than treatment groups (p<0.05), and T3 treatment group with 30% rice bran was the lowest among treatment groups. Nitrogen retention was significantly higher in control and T1 groups. Thus, these results showed that productivity and nutrient utilization were similar between fermentation feeds with agricultural by-products and commercial feeds. However, this study was suggested that it must contain less than 5.0% crude fat because of feed efficient was decreased by increasing of rice bran content. 본 연구는 농산부산물을 이용한 발효사료의 급여효과를 알아보기 위해 비육 흑염소의 생산성 및 영양소 이용률을 조사하였다. 증체조사를 위한 사양시험은 거세흑염소 24두를 이용하여 처리구당 6두씩 30일 수행하였고, 소화율시험은 거세흑염소 12두를 공시하여 처리구당 3두씩 라틴방각법으로 실시하여, 처리구는 대조구(배합사료 및 볏짚 급여구)와 3개의 시험구(발효사료와 볏짚 급여구)로 각각 배치하였다. 일당증체량은 대조구가 가장 높았고, T3구가 가장 낮았다(p<0.05). 1일 두당 건물섭취량과 유기물섭취량은 시판사료를 급여한 대조구가 각각 718.8과 680.9 g, 농산부산물 첨가구가 각각 634.2~699.2와 602.8~660.4 g으로 나타나 농산부산물 중 미강 첨가구가 높을수록 섭취량이 낮아지는 경향으로 나타났다. 건물과 유기물 소화율은 대조구가 농산부산물 첨가구보다 유의하게 높았고(p<0.05). 시험구간에는 미강을 30% 첨가한 T3구가 가장 낮았다(p<0.05). 질소 축적률은 대조구와 T1구가 유의하게 높았다. 따라서, 본 연구의 결과 농산부산물을 이용한 발효사료(T1과 T2구)는 시판사료를 급여한 대조구와 비교 시 증체는 86~90%, 건물소화율은 91.7~93.1%의 수준을 보였으며, 질소이용성은 대등한 수준을 보였다. 그러나 미강의 첨가 비율이 높아질수록 사료효율 저하가 우려되므로 조지방 함량을 5.0% 이하로 배합하는 것이 필요하다 판단된다.