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- 저자 : 이정만(Jeong-Man Lee) (검색결과 36 건)
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냉방 조건 하에서 열평형 모델링을 이용한 실내 온도변화 예측에 관한 연구
이정만(Jeong Man Lee),박근태(Kuen Tae Park),윤백(Baek Youn),유재석(Jai Suk Yoo),주영주(Youngju Joo),서형준(Hyeongjoon Seo) 대한설비공학회 2017 대한설비공학회 학술발표대회논문집 Vol.2017 No.6
People are increasingly demanding the use of air conditioner due to global warming, and the importance of efficient energy use has increased to save energy and to avoid excessive electricity bill by progressive tax. In order to use energy efficiently, information on the cooling time and power consumption expected to reach the set temperature is essential In order to predict room temperature, accurate cooling performance prediction is required. Because the cooling performance of the air conditioner change rapidly according to the indoor and outdoor environment. In this study, the predicted cooling time and power consumption information are calculated through the prediction of the room temperature change using the thermal equilibrium modeling and the cycle simulation. And it is provided to users to help efficient energy use.
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RPS (Renewable Portflio Standard) 제도 도입에 따른 국내 장기 전원구성 변화에 관한 연구
이정인(Jeong-In Lee),한석만(Seok-Man Han),김발호(Balho H. Kim) 대한전기학회 2009 전기학회논문지 Vol.58 No.3
Renewable Portfolio Standard (RPS) is a regulatory policy that requires the generation companies to increase the proportion of renewable energy sources such as wind, solar, LFG, fuel cell, and small hydro. Recently, Korean government decided to increase the portion of renewable energy to 3% to total electricity generation by 2012 from the current level of 0.13%. To achieve this goal, an innovative plan for market competitiveness would be required in addition to the present Feed-In-Tariff (FIT). That is Korean government has taken it into consideration to introduce a Renewable Portfolio Standard (RPS) as an alternative to FIT. This paper reviews the impact of RPS on the long-term fuel mix in 2020. The studies have been carried out with the GATE-PRO (Generation And Transmission Expansion PROgram) program, a mixed-integer non-linear program developed by Hongik university and Korea Energy Economics Institute. Detailed studies on long-term fuel mix in Korea have been carried out with four RPS scenarios of 3%, 5%, 10% and 20%. The important findings and comments on the results are given to provide an insight on future regulatory policies.
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Fontan 수술을 받은 정신지체 소아에서 인상채득을 위해 시행한 깊은 진정
이정만,서광석,김현정,신순영,신터전,Lee, Jung-Man,Seo, Kwang-Suk,Kim, Hyun-Jeong,Shin, Soon-Young,Shin, Teo-Jeon 대한치과마취과학회 2012 Journal of Dental Anesthesia and Pain Medicine Vol.12 No.1
The Fontan operation is a heart operation used to treat complex congenital heart defects like tricuspid atresia, hypoplastic left heart syndrome, pulmonary atresia and single ventricle. A single ventricle is dedicated to pumping oxygenated blood to the systemic circulation and the entire systemic venous return reaches the pulmonary arterial system without the direct influence of a pumping chamber. In the patient with Fontan operation, it is important to achieve adequate pulmonary blood flow and cardiac output in anesthetic management. In this case, a 10-year-old boy (19.6 kg, 114 cm) with cleft palate, cerebral palsy and severe mental retardation, who underwent a Fontan operation when he was 4 years old, was presented for deep sedation. Because he was suffering from eating disorder with cleft palate, the orthodontist and the plastic surgeon planned to insert intraoral orthodontic device before cleft palate repair. But it was impossible to open his mouth for alginate impression procedure. After careful pre-anesthesia evaluation we planned to administer deep sedation with propofol infusion. After Intravenous catheter insertion, we started propofol intravenous infusion with the formula of a loading dose of 1.0 mg/kg followed by an infusion rate of 6.0 mg/kg/hr with syringe pump. His blood pressure was remained around 80/40 mmHg after loss of consciousness, but he could not maintain his airway patent. So we lowered the infusion rate to 3.0 mg/kg/hr, immediately. The oxygen saturation was maintained above 95% with nasal oxygen supply, and blood pressure was maintained around 100-80/60-40 mmHg. After the sedation of 110 minutes with propofol (the infusion rate to 3.0-5.0 mg/kg/hr), he fully regained consciousness, and was discharged without complication after 1 hour observation. In case of post-Fontan patient, intravenous deep sedation with propofol was safe and effective method of behavioral management during dental treatment.
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독일기업 문화마케팅 연구: 문화예술 후원과 활용 중심으로
이정만 ( Jeong Man Lee ) 한독경상학회 2012 經商論叢 Vol.30 No.2
현대산업사회는 창의성과 혁신성이 기업경쟁력의 원동력이 되는데, 문화예술의 기업경영접목을 통하여 이룰 수 있다. 많은 기업들이 사회공헌전략으로 문화예술을 후원하고 있는데, 단순한 기부차원을 넘어 기업이미지 개선, 판매촉진, 고객확보 등의 상업적 전략으로 사용하고 있다. 최근에 와서는 대기업을 중심으로 직원동기부여 수단으로 활용하고 있는데, 회사자부심상승, 직원간 유대감 강화, 직무성과향상 등의 경영조직을 촉진시키기 위한 목적으로 사용하고 있다. 기업의 문화예술 후원은 문화예술산업 활성화의 직접효과와 창의적 문화사회를 이루는 간접효과도 가져온다. 독일은 한국과 마찬가지로 유지 발전해야할 문화유산이 많은 국가로 국가에서 적극적으로 문화예술을 지원하고 있고, 기업은 보완적인 역할은 하고 있다. 기업의 후원 뿐 아니라 많은 민간재단 및 시민단체가 문화예술을 후원하고 있으며, 문화예술산업은 독일 경제의 부가가치창출에 많은 기여를 하고 있다. 국가 비교현황에서 독일기업의 문화예술 후원액수는 영국보다 높지만, 문화정책을 시장주의·비정부에 중점을 두는 미국에 비해서 낮다. 독일어권 기업의 문화예술 후원의 목적으로는 ``사회공헌``이 가장 많았고, 그 뒤로 ``상업/소통``,``직원동기부여``였다. 한국은 문화예술활용분야에 있어서 음악관련 장르가 다수를 차지했는데,독일어권 기업은 미술, 음악 등 다양한 장르를 활용하였다. 독일기업의 대다수가 지리적 연고를 중요시여기는 성향으로 기업크기와 관계없이 지역 문화예술단체 후원이나 그 활용을 선호하였다. 이는 독일기업들이 속한 지역이나 지방을 중시하는 형태로 동반발전 의식이 강하다고 해석할 수 있다. 문화예술 후원의 가장 큰 효과로는 기업``이미지상승``이었는데, 그 뒤로 ``기업구조에 긍정적 영향``, ``명성획득``, ``직원간 동질감확인``, ``고객충성도상승``, ``브랜드강화`` 등 이었다. 기업크기가 클수록 ``직원의 동기상승`` 항목이 상승하여 통계적유의성이 상당이 높았으며, ``직원간 동질감확인``도 유의성이 높았다. 따라서 기업크기가 클수록 문화예술 후원으로 기업내부 효과가 증가하는 것으로 해석된다. 많은 후원기업들이 문화예술후원기관이 주체하는 행사에 적극적으로 직원을 참여시키는 것으로 나타났다. The creativity and innovation are the motive power for the business competitiveness in the modern industrial word, and they are able to be performed by the engraftation of culture and arts to the business management. Many enterprises are sponsoring the culture and arts as the social responsibility but they also are using these activities as the commercial strategy such as the improvement of image, sales promotion, customer acquisition, etc. rather than the simple donation. Moreover, these activities are currently used among the big size enterprises as the means for the employee motivation such as increase of job pride, identification among employees, improvement of job performance that will contribute to strengthening the management organization. The enterprise sponsorship of culture and arts brings the direct effects for the vitalization of culture and arts industry and also the indirect effects for the establishment of creative society. There are many culture and arts heritages in Germany to be maintained and developed, and so the German government actively supports the culture and arts, whereas the enterprises have the complementing roles. Besides the sponsorship of enterprise, the private foundations and civil organizations are supporting the culture and arts, and so the culture and arts industry largely contributes to the value add`s creation of German economy. The total sponsorship amounts of German enterprises are larger than of British enterprises, but lower than of enterprises in the U. S. A. where the cultural policy is focused on the market and the non governmental aspect. ``Social responsibility`` is the most frequent purpose among the sponsoring enterprises in German language countries, followed by ``commerce/communication`` and ``employee motivation``. The music related genres are the majority as the application of culture and arts in Korea, whereas the various genres such as paintings, music and etc are utilized in German language countries. The most German enterprises regard the geographical relationship as relevant independent of the enterprise size, and so prefer to sponsor the culture and arts in-stitutions in hometown and its environment. This trend can be interpreted as the win-win growth mind with the local area where the enterprise is located. The largest effect from the sponsorship is ``image increase``, followed by ``positive impact to the management structure``, ``win reputation``, ``identification among employees``, ``customer loyalty`` and ``brand image``. There is a high statistical significancy between the enterprise size and ``employee motivation``, also between it and ``identification among employee``. The enterprise internal effects from the sponsorship of culture and arts are proportional to the enterprise size. Many enterprises join the employee to the events and projects of the culture and arts institutions sponsored by them.
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이정만,문경원,이정열,김응석,손창규,Lee, Jeong-Man,Moon, Kyung-Won,Lee, Jeong-Yeol,Kim, Eung-Suk,Son, Chang-Gue 대한한방내과학회 2012 大韓韓方內科學會誌 Vol.33 No.1
Objectives : This study aimed to obtain general information for the design of a medical tourism plan toward Chinese using Korean medicine (KM). Methods : A questionnaire was asked of Chinese tourists regarding of Korea traditional medical tourism. 148 valid responses were obtained and their awareness of KM, and preferred subject and decision factors for their participation in Korea traditional medical tourism were analyzed using SPSS version 12.0. Results : 72% of respondents showed over a moderate degree of interest in medical tourism of KM. The most preferred subject was skin aesthetics, followed by medical check-ups and rehabilitation. Medical skill level, communication, and medical cost were indicated as the important factors for participants' decisions about KM-based medical tourism. Conclusions : Medical tourism could be a potential avenue for development by the KM-based Korean medical industry. Cosmetic-associated medical services are recommended, and enhanced public relations about KM-medical skill levels are strongly suggested for Chinese tourists.
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빈혈이 있는 여호와의 증인 환자에서 무수혈 양악교정 수술
이정만,서광석,김현정,신순영,Lee, Jung-Man,Seo, Kwang-Suk,Kim, Hyun-Jeong,Shin, Soon-Young 대한치과마취과학회 2012 Journal of Dental Anesthesia and Pain Medicine Vol.12 No.1
We report a case of 15 year-old Jehovah's Witness patient with mild anemia who underwent a successful orthognathic two-jaw surgery. Jehovah's Witness patients refuse transfusion of blood or blood products even in life threatening situations. The use of recombinant human erythropoietin and iron supplement increased hemoglobin during preoperative period. Intraoperatively, meticulous surgical hemostasis, acute normovolemic hemodilution and induced hypotension enabled the completion of the operation without the use of blood products.
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