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홍삼 및 기능성 소재를 이용한 주류첨가용 액상제제 개발
김도희(Dohee Kim),조양희(Yanghee Cho),조재선(Jaeseon Cho),함태식(Taesik Ham),이종완(Jongwan Lee),이철(Chul Rhee) 고려인삼학회 2004 Journal of Ginseng Research Vol.28 No.1
본 연구에서는 홍삼 농축액의 crude saponin과 생약재의 물추출물이 ADH와 ALDH의 활성에 미치는 영향 및 이들 생약재를 이용한 주류첨가용 액상제제 개발을 위한 모델을 제시하였다. 재료자체의 비중이 커서 용매비율을 낮게 한 갈근의 경우, 추출에 따른 고형분의 함량이 매우 낮았고, 3시간 이후 고형분의 함량에는 변화가 없었다. 갈화, 지구자, 상엽의 경우는 4시간 이후 고형분 함량의 변화가 없었다. 홍삼의 crude saponin, 상엽, 갈화, 갈근, 지구자의 경우 적정농도에서 ADH의 상대활성을 104~114%까지 증가함을 보였고, 상엽, 지구자는 ALDH의 상대활성을 102~106%까지 증가시켰다. 알코올 분해에 영향을 미치는 생약재를 원료로 액상제제를 제조하여 소주에 혼합한 후 1차 소비자 기호도 조사 결과, 경옥고향, 쌍화향, 칡향을 첨가한 세가지 시료 상호간에 유의적인 차이를 나타냈고, 쌍화향을 첨가한 시료가 가장 양호한 것으로 나타났다. 1차 기호도 조사결과 가장 양호한 것으로 나타난 쌍화향을 첨가한 시료와 향 무첨가 시료, 시판중인 K사 제품간의 2차 기호도 조사 결과, 세가지 시료 상호간에 유의적인 차이를 보이지 않았다. This study was conducted to investigate the effect of crude saponin of red ginseng and aqueous extracts from several medicinal herbs on the activity of alcohol dehydrogenase(ADH) and aldehyde dehydrogenase(ALDH) in alcohol metabolism. In order to develop a liquid phase product a model product was prepared using functional plants. In case of red ginseng crude saponin, and some medicinal herbs(Puerariae radix, the flower of Puerariae lobata, the fruits of Hovenia dulcis Thunb., Morus alba L.) the relative activity of ADH was significantly increased. which was from 104~114%. The relative activity of ALDH was also significantly increased in the cases of the fruits of Hovenia dulcis Thunb., Monts alba L. which was from 102~106%. To improve of soju flavours by addition of liquid phase product. it is prepared three samples added a given content (0.28%) of chik, ssanghwa and kyungokgo flavour. The total acceptability test showed significant differences among three samples, and it is observed that the sample added ssanghwa flavour get the best grade. As the second acceptability test. the preference of ssanghwa flavoured sample, sample without flavour and a similar product in market was compared. There was no significant difference among three samples.
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노인학습자를 위한 ‘DIO형 통합예술교육프로그램’에 대한 제언적 연구
박휴경(Park, HyuKyoung),조양희(Cho, YangHee) 학습자중심교과교육학회 2018 학습자중심교과교육연구 Vol.18 No.16
본 연구는 노인을 위한 신개념 교육프로그램으로 ‘DIO형 통합예술교육프로그램’을 제시하였다. ‘DIO형 통합예술교육프로그램’은 인문학 · 음악 · 미술 · 움직임 등의 학문간 통합으로 2가지 이상의 분야를 함께 협업하는 과정에 시대적 흐름을 반영하여 ICT를 활용하는 것을 기본으로 한 노인 교육프로그램이다. 문헌연구와 전문가 협의를 거쳐 첫째, 음악과 움직임을 기본요소로 한 것과 둘째, 인문학과 움직임 및 미술교과를 기본요소에 ICT를 활용한 프로그램을 구성하였다. 이 프로그램을 통해 노인들이 ‘타인과의 소통’ · ‘자신이 주체가 되는 경험’ · ‘ICT활용 능력을 실생활에 접목’ 할 수 있을 것이다. 이에 노인교육프로그램으로서 활용되기를 기대하며, 이에 따라 프로그램의 개발이 선행되어야 하고 이것의 적용을 위한 노인기관의 협력 및 정책적 지원이 요구된다. This study is to present ‘DIO type Integrated Art Educational Program’ as a new conceptual educational program for the olds. ‘DIO Type Integrated Art Educational Program’ is an educational program for the olds that is based on application of ICT in the process of collaboration of more than 2 kinds of fields of studies as an integration of various studies such as humanities, music, art and kinetics with streams of times. This study constructed ICT applied program with basis on basic elements of music and kinetics firstly and with basis on basic elements of humanity, kinetics and art secondly through discussion with professionals and literature researches. The olds probably perform ‘Communication with others’ · ‘Experience of becoming subject of themselves’ · ‘Apply ability of ICT application on daily life’ through this program. Therefore, this study expects that this program will be utilized as an educational program for the olds and suggests that it required cooperation from elderly related organization and political supports for proper application of program with precedent development of program.
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고압측 오일 회수 기술을 적용한 고압식 Scroll 압축기 개발
김철환(Cheolhwan Kim),최세헌(Seheon Choi),조양희(Yanghee Cho),이병철(Byeongchul Lee) 대한설비공학회 2010 대한설비공학회 학술발표대회논문집 Vol.2010 No.6
Recently building energy saving has been becoming one of big attentions due to global warming among EU, US and other industrial countries. As one of these building energy saving strategies, LG Electronics has developed the high efficiency high-side shell (HSS) scroll compressor for a Building Multi Air-conditioning Systems (VRF: Variable Refrigerant Flow system), which are commonly used in Asia and Europe. For high efficiency in VRF system, new oil return mechanism is developed. As the bypass loss caused by an existing oil return to low pressure side is eliminated through newly developed oil return mechanism, which is the world first structure, the system efficiency has been improved by 15% in part load condition and 5∼7% in rated cooling/heating conditions. Accordingly, these novel mechanisms can reduce annual building HVAC energy drastically. In addition, by employing a vapor injection structure the heating capacity in cold climate (-15℃) has been increased by 27% and the system efficiency has been improved by over 10%. This paper presents not only the novel oil return mechanism but the new structure of LG Electronics' HSS scroll compressor including the high efficiency brushless DC motor.
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전자기와 열전달을 고려한 고효율 모터의 다분야 위상최적설계
왕세명(Semyung Wang),심호경(Hokyoung Shim),문희곤(Heegon Moon),조양희(Yanghee Cho),김명균(MyungKyun Kim) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.4
This paper presents a new approach regarding thermal characteristics associated with a design of the high efficiency motor. Electrical conduction materials, such as coil and aluminum embedded in the core generate high heat exerting negative influence on both lifetime and performance of machine. Thus, it is necessary to design high efficiency motor considering heat transfer in order to improve motor performance and to be protected against overheating. In this paper, firstly, numerical analysis of electromagnetic field is carried out by the nonlinear transient finite element method (FEM). Secondly, the linear static FEA of magneto-thermal field is implemented by applying source current computed by the nonlinear transient analysis. FE results are validated in terms of electromagnetics and heat transfer by experiments. And then, the pseudo-transient topology optimization using a multi-objective function is performed. The proposed method is applied to a squirrel cage single-phase induction motor of the scroll compressor.
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