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      • PHYLOGENY OF MADS-BOX GENES : ITS RELEVANCE FOR PLANT BREEDING AND THE EVOLUTION OF FLOWER DEVELOPMENT

        Günter Theiβen,Annette Becker,Jorge Cacharron,Wim Deleu,Alexandra Di Rosa,Wolfram Faigl,Akira Kanno,Jan T. Kim,Charlotte Kirchner,Zheng Meng,Thomas Munster,Sunsane Werth,Luzie Ursula Wingen,Kai-U Plant molecular biology and biotechnology research 1998 Proceedings the 2nd Korean-Germany joint symposium Vol.1998 No.-

        MADS-box genes (Schwarz-Sommer et al. 1990) contribute significantly to the development of inflorescences and flowers, e.g. by acting as floral meristem or organ identity genes (for recent reviews, see Thei?en and Saedler 1995; Thei?en et al. 1996;Riechmann and Meyerowitz 1997). Up to now, MADS-box genes have mainly been studied in the scientific context of developmental biology, and in eudicotyledonous model plants of little commercial value, such as Antirrhinum and Arabidopsis. The focus of our group is to apply our current knowledge about flower development to breeding research and evolutionary biology. Therefore, we are currently characterizing the MADS-box gene family in the important monocotyledonous crop plant maize (Zea mays ssp. mays), and in other phylogenetic informative taxa, such as the monocots lily (Lilium regale) and tulip (Tulipa gesneriana), the basal angiosperm Cabomba, and non-flowering plnats including the gymnosperm Gnetum gnemon and the ferns Ceratopteris and Ophioglossum.

      • KCI등재후보
      • KCI등재

        Morphology and Mechanical Properties of Thermoplastic Polyurethane/Colemanite Composites

        Ferhat ?en,Seyfullah Madakba?,Emre Ba?turk,Memet Vezir Kahraman 한국고분자학회 2017 폴리머 Vol.41 No.6

        The aim of this study was to improve thermal stability, mechanical and surface properties of thermoplastic polyurethane (TPU) with the addition of colemanite. The TPU/colemanite composites having various ratios of TPU and colemanite were prepared. The chemical structure of the prepared composites was investigated by Fourier transform infrared spectroscopy (FTIR). Thermal properties of the samples were evaluated by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). Mechanical properties of the samples were characterized with stress-strain test. Hydrophobicity of the samples was determined by the contact angle measurements. Moreover, the surface morphology of the samples was investigated by a scanning electron microscopy - energy dispersive spectrometer mapping (SEMEDS). Finally, the obtained results prove that the prepared composites have good thermal, mechanical and surface properties and that they can be used in many applications such as the electronic devices, materials engineering and other emergent.

      • 이상재 형성에 따른 소나무 방향별 나이테 너비 및 가도관 길이 비교

        최은비, 신태수, 서정욱 충북대학교 농업과학기술연구소 2022 農業科學硏究 Vol.38 No.2

        To investigate the anatomical characteristics of the compression (CW), opposite (OW) and side woods (SW) in Pinus densiflora the tree-ring widths and tracheid lengths therein were measured and compared. The sample tree was plated at Seoul forest from Uljin in 2004. The tracheid length was mea- sured separately in the earlywood and latewood. The most wide tree-ring width was measured in CW and than SW and OW. The length of tracheids had been gradually increased until 2000 by aging. After that, the lengths became more or less stable. Based on the measurement data, we could conclude that the sample tree formed the mature wood from 2000.

      • 日本의 古庭園에 關한 硏究 : 桂離宮庭園을 中心으로 on the basis of Katsura Imperial Villa garden

        朴仁鉉 圓光大學校 1980 論文集 Vol.14 No.2

        Katsura Imperial Villa garden and Shugakuin Imperial Villa garden are the crea-tions in perfection where Japanese garden making tecnologies are exhibited to the fullest. The culminations of art combined with additional touches of new desgins surely make these gardens masterpieces of all gardens. The following passages summarize their main characteristics. 1. Katsura Imperial Villa gargen stands on the flat land extending as large as 58,314 square meters and consists of a series of rozis surrounded on all four sides. Here the nature is seen to fit into the cultural setting of the space. 2. Sukiya Style Shoin and Soan style tea house facing the pond are effective in creating a literary beauty where the garden and the architecture fuse into a single entity. Also the introduction of linear garden path and sight draws the garden into the reaim of modern art from that of classic. 3. There are three islands in center island i. e. one large island and two small ones. These island symbolize the three fairy islands of Bong Re Bang Jeong=main building of the temple, and Young Joo and serve to create a garden with three islands in a line The trend of the site planning could be identified with the newly introduced promontories and indented shoreline of the pond. Site planning of the pond garden form a triangular shape offering a varity of views. 4. The main components of the garden are the rock arrangement observed on artificial hills, waterfalls, streams and a pond, stepping stones of garden path, rock path, landscape ornament such as stone lantern and water basin. In addition to the beautiful scenery created for enjoyment, elegant entertainment was given at the tea garden. The open space provided for outdoor social gatherings is an outstanding fe-ature recognized in the circuit style garden. 5. There is no plantings having distinct features apart from the pine tree of su-miyoshi of Katsura Imperial Villa garden and the pine tree of a Thousand Kan at Shugakuin Imperial Villa garen. While Katsura Imperial Villa garden make much use of the stone material, shugakuin Imperial Villa garden places much more emp-hasis on plantings. Especially the stereograpic point picture provided by Imperial path, artificial hill of cycad, the area around earthen-bridge of Hotarutani, cherry tree in front of Shokatei teahouse, mixed planting of maple tree and rhododendron of Katsura Imperial Villa garden create beautiful sceneries. 6. The preservation of the point scenery described above together with other be-autiful sceneries in the garddn and planting patterns are strongly requested. These will serve as valuable materials for research, education, sightseeing and so forth. 7. The nature of tea garden, artistic creation rich in religious tone, could also be observed in the circulation of Katsura Imperial Villa garden and Shugakuin Impe-rial Villa garden. 8. one could not hide his deep emotion when one sees in the Wollp a-Roo teahouse a tablet reading Woll Pa-Chainese Character-written by an official envoy to Jap-an from Korea, So-Dang in 1604.

      • 전통음식에 대한 지식과 기호도 조사 연구 : 서울 및 경기 일부 지역 주부들을 중심으로

        장은주,이효지 漢陽大學校 韓國生活科學硏究所 1996 韓國 生活 科學 硏究 Vol.- No.14

        In a country, the culture of dietary life is closely related to the inheritance of racial culture, and it is very significant to inherit and develop the culture of the traditional dietary life. This study is to investigate the knowledge and food preference for the Korean traditional foods, using a questionnaire survey for 521 housewives lived in Seoul and Kyonggido. The data was analyzed with frequency, percentage, T-test χ2 ( Chi-square) -test. The results of the survey are summarized as follows, 1.The Scores for the Knowledge of Traditional Food. The average score on theoretical knowledge was 22(out of 30). The average score on cooking method knowledge was 18. The housewives who are over 50's and elementary or middle-school graduate got high scores for them. 2.Favorites of Traditional Food. Their favorites are cooked-rice, ugergi soup, soybean paste stew, galbijjim(beef rib meat), baechukimchi(Chinese cabbage Kimchi), deodeosaengchae, Japchae, fried fish, bindaedduk(a mung-bean pancake), Jangjorim(boiled-down beef cuts), geatnipjangajji(a sesame leaf jangajji), slices of raw squid, injolmi(rice cake), yackwa, shikke. Their dislikes are millet rice, spinach soup, egg stew, steamed eggplant, geatnipkimchi mustard pickles, eggplant namul, fried octopus, fried liver, sea mussel, pepper ganagi and raw slices of meat.

      • 웹기반 교육 시스템을 위한 적응적 상호작용 모형의 설계 및 구현

        최은영,송희헌 한국컴퓨터교육학회 2003 컴퓨터교육학회 논문지 Vol.6 No.1

        본 논문에서는 컴퓨터와 학습자간에 적응적 상호작용을 지원해 줄 수 있는 상호작용 모형을 제안한다. 적응적 상호작용 모형을 설계하기 위해, 먼저 웹기반의 교육시스템에서 적응적 상호작용을 지원하는 전략을 설정하고, 각 전략을 실행시키기 위해 필요한 구성요소를 제안한 다음, 구성요소들 간에 논리적 연관성을 검사하였다. 적응적 상호작용 모형의 효용성을 검증하기 위하여, 기존의 웹기반 코스웨어와 제안된 모형을 사용한 웹기반 코스웨어를 두 개의 학습 집단에 각각 적용하였다. 그 결과, 적응적 상호작용 모형을 적용한 기반 코스웨어가 학습자들의 학습활동에 효과적임을 보였다. This paper presents a model for supporting the adaptive interaction between the computer and the learner. To design an adaptive interaction model, the strategy to support the adaptive interaction in the web-based educational system was established. And then, the necessary components for executing each strategy were selected. Also, the logical relations among the components were verified. To verify the effectiveness of the proposed adaptive interaction model, we applied the existing web-based courseware and the new courseware using the adaptive interaction models to two groups respectively, and then measured the performance of each group. Experimental results reveal that the adaptive interaction model actually has positive effects on the teaming activities of the learner.

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