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잔디의 立枯病菌[Curvularia geniculata(Tracy & Earle) Boedjin]의 營養要求性에 關한 硏究
李敏雄,金光布 동국대학교 대학원 1974 大學院硏究論集-東國大學校 大學院 Vol.4 No.-
The nutritional requirements of Curvularia blight pathogens of turf (Agrostis cannina L,) causing by Curvularia geniculate were examined of various nutritional sources. The experimental results obtained summarized as follows. 1. The effects of optimum hydrogen lon concentration on the growth of this fungus in Czapek's solution medium were 6.0 and the mycelial growth was also observed in the range of pH 3.0∼9.0 2. The effects of optimum temperature on the growth of the fungus in Czapek's solution medium was 25-30℃. 3. In the effects of carbon sources on the growth of this fungus, sucrose showed the best result, and followed glucose, soluble starch, and xylose. Polyalcohol and organic acid as carbon sources affect the growth of this fungus only slightly. 4. In the effects of nitrogen sources on the growth of this fungus, ammonium nitrate and ammonium citrate affect the best results, and followed ammonium phosphate, ammonium oxalate, ammonium tartrate, and potassium nitrate. Ammonium nitrite affect the growth of this fungus only slightly. In generally, NH_4-N and NO_3-N showed the best results, whereas NO_2-N was less effective in all the nitrogens. 5. The effects of various chemicals in the formation of inhibition zone were larger in Dexon and Thiram 75, and followed PTM-V, Difolatan and Thiuramin, whereas Bla-s was not effective.
신령버섯 (Agaricus blazei) 으로부터 면역증강활성 다당류의 분리 및 화학적 특성
김환묵,유익동,조수묵,박정식,김광포 한국균학회 1999 韓國菌學會誌 Vol.27 No.2
Water-soluble polysaccharides from the fruiting bodies of Agaricus blazei Murill were extracted with 0.9% sodium chloride and hot water, successively. The purified polysaccharides showed a potent immunostimulating activity. Eight major polysaccharides, which were named from AG-1 to AG-8, were fractionated and purified by ethanol precipitation, ion exchange chromatography on DEAE-cellulose and gel filtration on Toyopearl HW 65F. These polysaccharides were identified to be homogeneous by analysis of HPLC. Three major active polysaccharides (AG-2, -3, and -6) showed relatively strong immunostimulating activity. AG-2 and -3 were composed of glucose, galactose and mannose in the molar ratios of 74.0:15.3:10.7 and 63.6:17.6:12.7, respectively. AG-6 was composed of glucose and ribose in the molar ratios of 81.4:12.6.
180㎞/h급 한국형 틸팅 대차 프레임 기본설계 검증을 위한 구조안전성 평가
김남포(Nam Po Kim),신광복(Kwang Bok Shin),문정원(Jung Won Moon) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.8
Korea Railroad Research Institute(KRRI) have been developing Korean Tilting Train eXpress(TTX) with the service speed of l80㎞/h as the R&D project supporting by Korea government. The core of research is the development of the tilting bogie using the domestic tilting technologies. We developed the 3D-CAD prototype of tiling bogie model. In this paper we attempted to evaluate the structural strength of bogie frame using the Finite Element Method and to prove the possibility of improving the tilting technology. Finally, we would like to propose the application of the modifying part to the detail design.
홍인표,이상선,이민웅,김광포 한국균학회 1991 韓國菌學會誌 Vol.19 No.1
In the traditional medicine, the basidiocarps of Poria cocos (Fr.) Wolf naturally collected have been widely used as a traditional remedy for dropsy, diarrhea, gonorrhea and nervous disease more than 3500 years ago. It was recently found to be composed of the particular compounds having antitumor effects. Therefore, its demand has been gradually increased, whereas it is still dependent upon the natural harvest. The artificial cultivation of P. cocos was carried out to observe the morphological characteristics and to investigate the cultural characteristics of P. cocos isolates collected. The morphological characteristics of its basidiocarps was observed. The physiological aspects of its isolates were also investigated.
유원희(Won Hee You),한성호(Song Ho Han),김남포(Nam Po Kim),김길동(Gil Dong Kim),박광복(Kwang Bok Park) 한국철도학회 2002 한국철도학회 학술발표대회논문집 Vol.- No.-
This report was studied about system design of tilting car for speed up for conventional railroad of KNR. The maximum operating speed of Kyun-Pu line was recorded a 140Km/h by saemaul train at 1985 and the average speed its is 107Km/h now. The chungang line, janghang line and honam line of KNR had rebuilt to the electrified line for operation of tilting train. This report was described about the operation status of advanced countries, the operation situation of trains of KNR, system design for operation and speed up by EMU tilting train on the conventional railroad in the future.