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      • AHCISCOPUSKCI등재
      • KCI등재
      • AHCISCOPUSKCI등재
      • Illudins C_2 and C_3, New Illudin C Derivatives from Coprinus atramentarius ASI20013

        LEE, IN-KY0UNG,JEONG, CHEOL-YOUN,CHO, SOO-MUK,YUN, BONG-SIK,KIM, YANG-SUP,YU, SEUNG-HUN,KOSHINO, HIROYUKI,YOO, ICK-DONG 충남대학교 생물공학연구소 1997 생물공학연구지 Vol.5 No.-

        Ganoderma lucidum 균주는 인공 배지 상에서 광에 의하여 자실체 원기가 형성되었으며, 광질이 자실체 원기 형성에 미치는 영향을 조사한 결과, 자실체 원기 형성능을 가지고 있는 5균주중 3균주는 공시한 모든 형광등의 아래에서 즉, BLB, 순청색, 순녹색, 순황색, 순적색 형광등의 아래에서 자실체 원기가 형성되었고, 2균주는 BLB 형광등을 제외한 가시광선 영역에서 형성되었다. 그러나 암상태에서는 공시한 모든 균주가 자실체를 형성하지 않았다. 자실체 원기는 광도 0.05에서 10.0 μmol m^-2 s^-1의 범위에서 형성되었고, 광도가 0.5 μmol m^-2 s^-1 이상에서는 자실체 원기의 수가 감소하였다. 주기적인 광조사가 자실체 원기의 형성에 미치는 영향을 조사한 결과, G1-009 균주는 자실체 원기의 수와 무게가 연속광을 조사한 경우보다 증가하였다. 자실체 원기를 형성하기 위해서는 최소 4일간의 광조사가 필요하였다. 단색광의 조사가 자실체 원기의 형성에 미치는 영향을 조사한 결과 G1-003 균주는 400에서 800 nm의 모든 단색광 처리구에서 자실체 원기가 형성되었고, 그 외의 4균주는 400에서 500 nm, 그리고 700에서 750 nm 범위에서 형성되었다. The objective of this research was to determine the effect of light quality on formation of fruit body primordia (FBPs) of Ganoderma lucidum. To achieve this 5 isolates of the fungus that develops fruit body primordia on nutrient agar media were incubated with or without continuous irradiation. The fluorescent lamps used different colors such as black light blue (BLB), pure blue (P-B), pure green (P-G), pure yellow (P-Y) and pure red (P-R). Effect of periodic light and dark exposures on FBP formation of isolate G1-009 was investigated. The FBP formation in G. lucidum isolates was also tested under nomochromatic light produced by the combination of interference filters and colored glass filters. Three isolates produced FBPs under all kinds of fluorescent lamps, whereas two induced FBPs only under visible light except for BLB fluorescent lamp. However, these isolated did not form FBPs in the dark. The FBP was formed at light intensity from 0.05 to 10.0 μmol m^-2 s^-1, and begun to reduce its number as light intensity increase over 0.5 μmol m^-2 s^-1. When the isolate was incubated under periodic light and dark exposures, the number and weight of FBP increased as compared with those under continuous light. Initiation of FBP requires at least 4 days of light illumination. Although isolate G1-003 produced FBPs in a wide range of 400 to 800 nm, other four isolates had two effective regions 400 to 500 nm and 700 to 750 nm in FBP formation.

      • 內.外的 刺戟에 따르는 스트레스호르몬 尿排池量에 關한 硏究

        李揆文,金昌範 忠北大學校 平生體育敎育硏究所 1988 平生體育硏究所 論文集 Vol.3 No.-

        This experiments were carried out for the purpose to investigate the excretion amout of urinary stress hormone as to factor impulse for intrinsic(written examination) and extrinsic(all-out exercise). Twenty subjects volunteered for this experiment, who were five female non-trained students and five trained students, 18∼19 years old. Their urine was collected during 24 hours ordinary times, after all-out exercise, and during written examination respectively. The results were as follows: 1. It appeared that the level of excretion amount urinary 17-OHCS was in the normal level ordinary times both in the non-trained and trained group. 2. It appeared that the level of excretion amount urinary 17-OHCS was in the normal level(13.36±3.12mg/24h) after all-out exercise in the trained group, but in the abnormal level(22.36±5.54mg/24h) in the non-trained group. 3. It appeared that the level of excretion amount urinary 17-OHCS was in the normal level during written examination in the trained group, but in the non-trained group was 35.5% higher than that in the trained group.

      • 치아이동 후 고정방법이 성견 치주인대섬유의 재배열에 미치는 영향

        이기헌,황현식 전남대학교 치과대학 1996 전남치대논문집 Vol.8 No.1

        The purpose of this study was to evaluate the effect of splinting methods on the rearrangement of periodontal fibers after experimental tooth movement. Orthodontic force was applied by placing closed coil spring between upper third incisor and canine in seven dogs, weighing 20 kg or more. After 3 weeks of force application, 0.0215 inch multistrand wire and polyethylene ribbon were bonded to each side, as a flexible and rigid splinting respectively in 6 experimental animals. The remaining 1 served as the control group. Each 2 animals were sacrificed at 4, 8 and 12 weeks after splinting respectively and prepared histologically for hematoxyline-eosin and Masson's trichrome staining. The results of this study were obtained as follows : 1. After tooth movement, periodontal space was narrowed and periodontal fibers were thick on pressure side, while elongated fibers were observed on tension side. 2. After 4 weeks of retention, the rearrangement of periodontal fibers was observed in the flexible splinting group but not in the rigid splinting group. 3. After 8 weeks of retention, the rearrangement of periodontal fibers was observed in both groups but the difference could not detected between two groups. 4. During the retention period, the rearrangement of periodontal fibers was faster in tension side than in pressure side. These results show that the rearrangement of periodontal fibers is also obtained by rigid splinting after tooth movement. It is suggested that the rigid splinting by polyethylene ribbon can be used as a way of postorthodontic retention.

      • N_2H_5NO_3 화합물의 질소핵사중극 공명실험

        李起岩 단국대학교 1985 論文集 Vol.19 No.-

        ^14N-Nuclear Quadrupole Resonance studies has been made for the polycrystalline of hydrazaine nirtrate*N_2H_5NO_3) at 293K. Resonance frequencies, ν^+ = 4.5566MHz, ν_- = 2.6182Mhzat 293K are obwerved. The quadrupole coupling constant E^2qQ/hand the asymmetry parameter η are 4.7832MHz and 0.8105 respectively at the room temperature(293K).

      • 랄프로렌 디자인 브랜드에 표현된 어메리칸 스타일 연구 : 라이프 스타일과 디자인과의 관련성을 중심으로

        남기묘,박혜원 창원대학교 생활과학연구소 2001 생활과학연구 Vol.5 No.-

        The purpose of this study is to find the characteristics about Ralph Lauren's designs brand. Methods of this study are the analysis of his brand growth process and concept strategy. The results are as follows. 1) Ralph Lauren's concepts strategy are a. Convert british type into American style b. Present an American life style c. Marketing strategy 2) Ralph Lauren's designs Characters are a. Traditional wear of noble taste b. Western style of American reclamation period c. Use of comfortable material Today, his classic and preppy designs all draw upon an image of old word wealth and luxury and he pioneered the concept of clothes as part of a lifestyle environment.

      • KCI등재

        칸막이 공조 급기 시스템의 난방 특성

        정기범 대한건축학회 2003 대한건축학회논문집 Vol.19 No.8

        A partition integrated air distribution system can provide highly personalized environmental control. The supply air is brought up through raised floors and supplied to outlets located on the partition panels. This paper aims to find out the best design of outlets for the comfort of occupants within a personal task area. Real scale experiments were conducted to allow comparison of outlet designs within a personal task area. Experimental results indicate that the location of an outlet is the most critical factor in improving the supply air distribution efficiency of the personal task area. Thermal characteristic comparisons were made between under-floor and partition air distribution system. Experimental results suggest that the partition air supply system is more efficient than under-floor air supply system in terms of heating. Such a system can allow an occupant to personally control their immediate environment, resulting in higher productivity.

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