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이기완,LEE Ki-Wan 한국수산과학회 1977 한국수산과학회지 Vol.10 No.3
한국에는 Collinsiella와 Erythrotrichia에 속하는 종류는 Collinsiella cava(Yendo)Printz와 Erythrotrichia carnea (Dillwyn) J.Ag.가 각각 보고되고 있었으나, 저자는 제주도에서 상기한 두속에 속하는 2종의 미기록종 C. japonica(Yendo)Printz와 E. japonica Tokida를 얻었기에 보고한다. Two species of marine algae Collinsiella japonica (Yendo)Prinz(Chlorophyta) and Erythrotrichia japonica Tokida (Rhodophyta) were first collected in the intertidal zone of Jeju, and they are newly added to the Korean flora.
이기완,남혜원,명춘옥,박영심,Lee Ki-Wan,Nam Hae-Won,Myung Choon-Ok,Park Young-Shim 동아시아식생활학회 2005 동아시아식생활학회지 Vol.15 No.5
The purpose of this study was to investigate the nutrition knowledge of day-care center teachers and their guidance activities during meal time. Self-administered questionnaires were completed by 302 day care center teachers from September to November, 2004. The average score of nutrition knowledge was $12.9\pm2.3$ out of possible 20 points. As the teachers older(p<0.01) and the teaching careers longer(p<0.05), the scores of the nutrition knowledge was significantly higher. Those who had dietitian license showed significantly higher scores than others(p<0.01). Guidance activities during meal time were evaluated by the 5-point Likert scale on 24 items and the average score turned out to be $4.3\pm0.4$. The score showed significant difference only according to the length of the teaching career(p<0.05). These findings suggested that nutritional guidance and nutrition education program for day care center teachers should be developed so that they can effectively manage meal service and provide good nutrition for young children.
과실폐기물을 이용한 바이오 에탄올 생산 및 연료 적합성
이기완 ( Ki-wan Lee ),김동묵 ( Dong-mook Kim ),조재일 ( Jae-il Cho ),이진식 ( Jin-sik Lee ),이상균 ( Sang-gyun Lee ),박중근 ( Jung-geun Park ) 한국환경기술학회 2013 한국환경기술학회지 Vol.14 No.5
본 연구에서는 당질계 폐기물인 배, 감, 사과 등의 과육을 제외한 껍질과 씨방을 기질로 하여 바이오에탄올 생산을 위한 처리 및 가수분해효율 실험을 수행하였다. 생산된 바이오에탄올의 효율성과 실제 연료로서의 적합성 평가를 위하여 가솔린의 품질규제와 동일한 항목의 실험으로 몇가지 유의성 결과를 도출하였던 바, 다른 과실폐기물에 비하여 배의 glucose의 양이 498.3±0.1로 매우 높게 나온 것으로 확인이 되었고, 문헌으로 보고된 음식물 쓰레기의 수율보다 0.03 g ethanol/gsolid가 높아 배 과실폐기물의 우수한 바이오매스 활용 가능성을 확인하였으며, 그 증기압은 다른 기질의 바이오 에탄올보다 1/2 이하로 낮은 장점이 있는 것으로 나타났다. In this study, the experiments using glucidic fruit wastes as a substrate for the treatment and hydrolysis efficiency were carried out to produce bioethanol. To evaluate the efficiency and applicability of the produced ethanol fuel, we performed the same qualified specific experiments suited for the actual Gasoline Regulations. As a result of these experiments, a few significant results were derived. In other words, the amount of pear`s glucose from 498.3 ± 0.1 to a very high resolution was even much extracted as compared with other fruit wastes. We confirmed the possibility for use of the biomass because our experimental results as 0.03 g ethanol / g solid were higher than the yield of the food waste of the existing other studies. We also found that the vapor pressures of these experiments in comparison with those of bioethanols of different materials were lower than half.5
전자빔 기술을 이용한 CO<sub>2</sub> 개질반응 기초연구
이기완 ( Lee Ki-wan ),김조천 ( Kim Jo-chun ),염승열 ( Yum Seung-ryol ),문정식 ( Moon Jeong-sik ) 한국환경기술학회 2000 한국환경기술학회지 Vol.1 No.3
본 연구는 고에너지 전자빔을 이용한 CO<sub>2</sub> 개질 및 자원화 공정의 기초연구로서, 1.5 MeV, 40mA의 선형전자빔가속기를 이용한 PVF재질의 반응기 내에서의 전자빔 CO<sub>2</sub> 개질반응을 실험하였다. 5~10%의 CO<sub>2</sub> 가 함유된 모사가스에 대하여 얻은 실험결과, 전자빔 흡수선량이 클수록 반응율이 높게 나타났고 NH<sub>3</sub>양론비는 CO<sub>2</sub> 개질공정의 주요 영향인자이며, 에어로졸형태의 수분첨가는 10~16%의 반응율을 향상시키는 인자로 작용하고 ammonium hydrogen carbonate ammonium carbamate 의 반응 부산물이 얻어짐을 확인할 수 있었다. This is a fundamental study related with CO<sub>2</sub> reforming and recycling of byproducts Using high-energy electron beam. The linear electron beam acclerarator with maximum Energy 1.5 MeV, beam current 40 mA was used for CO<sub>2</sub> reforming of simulated gas in PVF reactor, and simulated gas mixture used in this work are composed 5 to 10% of CO<sub>2</sub> From the experimental results, CO<sub>2</sub> conversion depends on the absorption dose of electron beam, NH<sub>3</sub> stoichiometry is a main factor of CO<sub>2</sub> reforming. Addition of water aerosole in CO<sub>2</sub> reforming elevated the conversion efficience by 10 to 16%. Main components of byproduct from CO<sub>2</sub> reforming are ammonium hydrogen carbonate and ammonim carbamate.