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토마토의 側枝發生 및 生育에 미치는 植物生長 調節物質의 效果
權宇生,姜忠吉,李政明 경희대학교 부설 식량자원개발연구소 1978 硏究論文集 Vol.1 No.-
The present experiment was conducted to investigate the effect of several growth regulators on the growth and branching habit of pinched and nonpinched tomato plants (Lycopersicum esculentum Mill cv. Daehyung-boksoo). The results are as follows. 1. Spray of NAA decreased the number and fresh weight of axillary shoots of intact seedlings without influencing the main shoot growth. 2. TIBA decreased apical dominance of intact seedlings with little or no influence on the whole plant growth. In the pinched plants, however, TIBA caused severe growth inhibition as well as the decrease in apical dominance. 3. SADH treatment caused growth inhibition and increased apical dominance. SADH may be used only to obtain compact seedlings prior to transplanting. 4. GA promoted early growth and increased plant fresh weight On the contrary, the apical dominance of GA-treated plants was decreased as compared to the control 5. Ethephon at 500 ppm caused severe chlorosis and leaf abscission. The ethephon effect persisted for about 2 weeks after spraying
해수에 의한 부식속도 데이터 베이스의 구축과 이용에 관한 연구
윤우생,한주철,박만호,송요승 한국항공대학교 1996 論文集 Vol.34 No.-
해수분위기에서 부식속도에 관한 데이터 베이스를 구축하였다. 본 데이터 베이스 system 프로그램은 커다랗게 두가지의 기능을 가지고 있는데 한가지는 데이터를 입력하는 기능이며 다른 한가지는 검색기능이다. 각각의 기능들은 몇개의 필드로 구성 되어 있다. 데이터베이스의 주된 필드들은 record, key-no, material type, material common name, environmental condition, corrosion rate등이다. 이중 중요한 연결고리용 필드는 각 데이터 들의 key-no로 사용하였다. We construct the Data-Base about corrosion rate of metal material in the sea water. In Data-Base system program have mainly 2 functions, one is data-input mode, the other is search mode. Each mode enclose some fields. Main fields are compose of record, key-no, material type, material common name, environmental condition, corrosion rate. Relation field is key-no of each data.
김우생 광운대학교 기초과학연구소 1997 기초과학연구소논문집 Vol.26 No.-
사회가 발전함에 따라 정보가 기하급수적으로 늘고 있다. 이렇게 많은 정보를 사람의 손으로 일일이 관리한다는 것은 불가능하며 컴퓨터를 통한 정보 검색 시스템이 점차 일반화되고 있다. 기존의 텍스트 위주의 검색에서 화상이나 음성등에 대한 멀티미디어 데이터에 대한 검색이 연구되고 있다. 본 연구에서는 화상 검색 시스템 구현을 통해 효율적인 색인과 편리한 검색 방법에 대한 연구를 한다. 화상의 경우 일반적인 자동 색인 기법을 사용하는 것이 어려운 관계로, 본 시스템에서는 수동 색인 기법을 사용하였다. 또한 본 시스템은 동화상에 대한 쉽고도 효율적인 검색을 위하여 비디오 부라우징 기법을 사용하였다.
합성옥신물질 5,6-Cl_(2)-IAA에 의한 사철나무와 주목 녹지삽수의 발근촉진
權宇生,崔光泰,加藤彰一,李政明 경희대학교 부설 식량자원개발연구소 1992 硏究論文集 Vol.13 No.-
The promotive effect of rooting with a newly developed synthetic auxin, 5, 6-dichloro-indole acetic acid (5, 6-Cl_(2)-IAA), was investigated with softwood cuttings of Euonymus japonicus Thunb, and Taxus cuspdata Sieb. et Zucc. Dipping the basal end of cuttings in 5, 6-Cl_2-IAA solutions of different concentrations enhanced the rooting of Euonymus japonicus cuttings in sand medium under mist propagation bench. Treatment of 100 ppm 56-Cl_2-IAA was more effective than IBA treatment at the same concentration. In Tuxus cuspidata,, significant rooting promotion was obtained with 10- 100 ppm basal dippings in solutions of both 5, 6-Cl_(2)-IAA and IBA. However, the root elongation appeared to be promoted by low concentrations of 5,6-CL-IAA as compared to that of IBA treated cuttings.
웨이블릿과 GLCM을 이용한 회전에도 강건한 질감 영상 검색 기법
김우생,도덕향 광운대학교 기초과학연구소 2000 기초과학연구소논문집 Vol.29 No.-
본 논문에서는 회전에도 강건한 질감 영상 검색을 위해 Wavelet 변환 영역에서의 보다 효율적인 질감 특징추출 방법을 제안하고, 이 방법을 이용한 영상 검색 시스템을 구현하였다. 영상 검색을 위한 특징추출은 2단계 Wavelet 변환 후 생성된 변환 영역 중 저대역 부밴드에서는 웨이블릿 계수 평균값을, 고대역 부밴드에서는 방향 성분과 같은 각도의 변위 벡터(수평-0°, 수직-90°, 대각-45°)로 구해진 GLCM(Gray Level Co-occurrence Matrix) 을 적용한 Energy 값의 합을 사용하였다. 실험을 통하여 제안하는 방법이 Recall과 Precision에서 기존의 방법들 보다 좋은 결과를 보였다.
權宇生,李政明 경희대학교 부설 식량자원개발연구소 1991 硏究論文集 Vol.12 No.-
Experiments were conducted to isolate and identify substances responsible for dormancy and seed germination of dehisced seeds of ginseng (Panax ginseng C. A. Meyer). Radish cotyledon expansion bioassay revealed that the seed extract did contain a considerable amount of cytokinin-like substances and these substances were apparently decreased during the low temperature storage. GA-like activities were also found in the extract and these activities increased during the low temperature storage of dehisced seeds. TLC analysis of the purified extract exhibited several bands with none of them identical to the tested cytokinins; zeatin, zeatin riboside, kinetin and benzyladenine. The band, corresponding to Rf 0.36 in the TLC plate, showed definite cytokinin activities even after the several steps of purification.
토마토의 側枝發生 및 生育에 미치는 植物生長 調節物質의 效果
權宇生,姜忠吉,李政明 慶熙大學校 1980 論文集 Vol.10 No.-
The present experiment was conducted to investigate the effect of several growth regulators on the growth and branching habit of pinched and nonpinched tomato plants (Lycopersicum esculentum Mill cv. Daehyung-boksoo). The results are as follows. 1. Spray of NAA decreased the number and fresh weight of axillary shoots of intact seedlings without influencing the main shoot growth. 2. TIBA decreased apical dominance of intact seedlings with little or no influence on the whole plant growth. In the pinched plants, however, TIBA caused severs growth inhibition as well as the decrease in apical dominance. 3. SADH treatment caused growth inhibition and increased apical dominance. SADH may be used only to obtain compact seedlings prior to transplanting. 4. GA promoted early growth and increased plant fresh weight. On the contrary, the apical dominance of GA-treated plants was decreased as compared to the control. 5. Ethephon at 500 ppm caused severe chlorosis and leaf abscission. The ethephon effect persisted for about 2 weeks after spraying.
Woo Saeng Kwon(權宇生),Chan Moon Chung(鄭燦文),Yo Tae Kim(金鐃,泰),Kwang Tae Choi(崔光泰) 한국육종학회 1991 한국육종학회지 Vol.23 No.3
This study was carried out to clarify the characteristics of 5 superior lines. selected for development of varieties of ginseng(Panax ginseng C. A. Meyer) The growth of 2-year-old superior lines was better than that of Jakyungjong and KG 102 line among them showed the most vigorous growth. And 4-year-old superior lines also showed vigorous growth in aerial parts. Especially, KG 102 line showed short and multiple stems. Crude saponin and ginsenoside contents were found in a high yield in both taproot and lateral root of KG 103 line and ginsenoside contents were also found in a high yield in lateral root of KG 104 line. Ginsenoside -Rb₁ and -Rg₁ were found in a high yield in the taproot of KG 101,102,103 and 104 lines but in a low yield in Jakyungjong and Hwangsookjong. Ginsenosides -Ra and -Ro were found in a high yield in the taproot of KG 101 line but were not found in KG 104 line. Hwangsookjong showed the low yield of crude saponin and ginsenosides but ginsenoside pattern was uniform. Anthocyanin contents were found in a high yield in aerial parts of KG 103 line.
Woo Saeng Kwon(權宇生),Jang Ho Lee(李璋浩),Je Yong Kang(姜齊瑢),Yo Tae Kim(金鐃,泰),Kwang-Tae Choi(崔光泰) 한국육종학회 1994 한국육종학회지 Vol.26 No.4
In order to clarify the characteristics of red ginseng quality of Jakyung-jong(violetstem variant) and Hwangsook-jong(yellow-berry variant) in Panax ginseng, the red ginseng grades were classified. The ratio of Chun-sam(Heaven grade) was higher in Hangsook-jong than in jakyung-jong, and Chun-sam was also degraded to poor quality, jee-sam and Yang-sam, by second classification. Poor quality of red ginseng was caused by inside white, inside cavity, cracking, poor rhizome, and so on. Especially, the ratio of inside white showed the highest among them, and was higher in Jakyung-jong than in Hwangsook-jong. And it was found that the high quality red ginseng was larger in Hwangsook-jong than in Jakyung-jong.