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21世紀 交通 및 環境 問題를 위한 新交通手段에 관한 訴告
고을한,최출헌,신학수 서울산업대학교 산업대학원 1999 大學院論文集 Vol.6 No.-
What would emerge as the transportation of the future-preserving the comfort and convenience of city life and minimizing environmental effects? There already are many candidates: super--fast train, magnetic levitation train, a track bus and waterborne transportation via canals. However, various elements--the increased public awareness for environmental problems, speed limits that put pedestrians above vehicle drivers, expansion of driving restriction zone, more leisure hours due to shorter office hours and to increasing home working hours, and aspiration for mew technologies--keep demanding new concepts in transportation. Considering the rapid increase in the demand for transportation facilities, the only way to maximize the functionality of the existing transportation system is to enhance its efficiency by expanding its public transportation capacity. One possible solution may lie in city train system, including light train. City train has many advantages: it can alleviate traffic congestion and air pollution, bring back comfortable city environment by providing reserved spaces, and reduce traffic accidents. Having similar advantages--less emission of pollutants, high energy efficiency, and possible solution for traffic congestion--other transportations, including light train, are also emerging as the transportation of the future. These new transportations require modernistic design concepts that encompass such varied aspects as human rights and energy efficiency. The urban environmental problems resulting from economic development are no longer tasks given to just scientists and technicians. It is necessary to make people feel like taking public transportations and this is where design comes into play. Designers have the duty to provide balanced man-made environment that can satisfy both spiritual and material needs. Good design should be in harmony with the surrounding environment by taking economical and technological functions into accounts. In this sense city train is the perfect candidate as the best-fitted transportation for the present and for the future. Designing city train that meets the needs of urban dwellers and fits in with urban 88environment will be another meaningful undertaking for shaping the faces of a city.
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표고버섯의 생육시기별 성분분석 - 표고버섯의 활용방안 연구 I -
조덕봉(Duk Bong Cho),현규환(Kyu Hwan Hyun),나광출(Kwang Chool Na),최지호(Jiho Choi),서재신(Jae Sin Seo),강성구(Seong-Koo Kang),김용두(Yong Doo Kim) 한국자원식물학회 2002 한국자원식물학회지 Vol.15 No.2
1. 조단백질 함량은 갓과 대부위 모두 생육시기가 증가함에 따라 증가하다가 과숙기에서는 감소하였으며 조지방은 생육시기가 증가할수록 감소하였고, 회분과 환원당은 모두 증가하는 경향으로 나타났다. 2. 표고버섯에서 17종의 아미노산이 검출되었으며, 총 아미노산 함량은 버섯이 생육함에 따라 증가한 후에 과숙이 되면서 감소하였고, 다량 함유된 아미노산은 Glu, His, Gly 및 Gly 등이었다. 유리 아미노산의 경우도 총 아미노산과 유사한 경향이었다. 3. 무기질은 생육시기가 증가할수록 대체적으로 증가하는 경향이었으나 K는 감소하였으며, K와 P의 함량이 다른 무기성분보다 매우 높았다. 4. 표고버섯에 주로 함유되어 있는 지방산은 linoleic acid, palmitic acid, oleic acid였다. 5. 주로 함유되 있는 향기성분은 1-octen-3-ol이 가장 많아 향기의 본체로 추측되며 그 외에 ethyl acetate, 3-octanone, ethanol, (E)-2-octenal, 4-octen-3-one, acetaldehyde, ethyl formate도 다량 함유되어 있었으며 , 갓 부위와 대 부위의 함량을 비교해 본 결과 갓 부위에 다량함유되어 있었다. Content of crude protein in both pileus and stalk increased progresively as growth period became longer and then decreased at old stage. Contents of ash and reducing sugars followed the same trend as that of the crude protein. However, content of crude lipid decreased as growth progressed more. Seventeen kinds of amino acid were detected in Lentinula. Content of total amino acid increased as mushroom grew more, but decreased after old stage. The amino acid such as Glu, His, Gly and Ala were contained with relatively large amount in Lentinula. Content of free amino acid showed the similar trends as that of total amino acid. Contents of most of the mineral increased as growth period progressed, but K content decreased as growth period became longer. Contents of K and P were much higher than contents of other mineral. The major fatty acid contained in Lentinula were linoleicacid, palmitic acid and oleic acid. The large amount of volatile component in Lentinula was 1-octen-3-ol, so that this material was speculated to be major source of perfume. Other perfumic materials such ethyl acetate, 3-octanone, ethanol, (E)-2-octenal, 4-octen-3-one, acetaldehyde, ethyl formate were also contained in Lentinula, especially in pilous.
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