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천연과즙이 알로에(Aloe vera. L)조직의 callus 배양에 미치는 효과 검정
오명원,권오민,배동녁,한구태,김대환,도건엽,이지홍,장경호,김영철,김완동,권정호,이인순,문혜연 대구대학교 산업기술연구소 2012 産業技術硏究 Vol.23 No.1
We studied the effects of natural juices as grape and apple juice on callus formation of Aloe vera. L. The condition medium for callus differentiation was made MS medium with 0.2 ㎎/ℓ IAA, 0.3 ㎎/ℓ kinetin and 100 ㎎/ℓ grape or/and apple juice. The callus tissue was induced on this medium for 21 days, but callus formation was not found. However, cut aloe tissue released an extracellular material into media after 7 days as the culture progressed. The condition medium with grape juice brought to decrease cellular metabolism due to synthesis phenol and flavonoid which may resulted by necrosis of tissues like browning reaction. The an extracellular material and aloe tissue were extracted by as a solvent from medium, cultured aloe tissue and natural aloe tissue and those extracts were analysed for the determinate the concentration of phenol, flavonoid and vitamin C content. In the result, the control medium without addition of natural juice had increased of phenol compound and flavonoid content. The condition medium with addition of apple juice had higher content of flavonoid and vitamin C compared with other extracts. As a result, a composition of the apple juice stimulate metabolism of functional material synthesis.
오명원,유성은 한국퍼실리티매니지먼트학회 2022 한국퍼실리티매니지먼트학회지 Vol.17 No.2
In the era of the 4th industrial revolution, the role of convergence talents with creativity is being emphasized, and improving the creativity of design students is one of the top priority educational goals. The purpose of this study is to suggest the direction of the physical environment suitable for teaching and learning methods in the field of design that enhance creativity. Through a literature review, the types and learning processes of learning methods applied in the field of design were investigated, and the learning activities of these learning methods and the space required according to the learning activities were presented. In addition, by investigating an example of interior design curricula, the learning methods and necessary spaces were founded out. The design patterns of the studio environment of 'Fielding International' were investigated, and specific spatial characteristics were identified through examples of studios. As a result of the research, a studio-type space was required in all subjects, both theoretical and practical, and the characteristics of the studio-type space were summarized as agility, transparency, and open community.
吳明媛 이화화학회 1967 梨花化學會誌 Vol.- No.6
發煙 窒酸法에 의하여 牛乳中에 含有된 ^90Sr을 分離하였다. 이 實驗에서 牛乳中의 ^90Sr의 含量은 五月이 가장 많았으나 그 量은 아주 적어서 人體에 害를 끼칠 程度는 아니었다. 아마 이 ^90Sr은 中共의 核實驗 結果로 落塵中에 섞여 풀에 부착되었던 것을 소가 먹었기 때문에 牛乳中에서 發見된 것이라고 본다. Strontium-90 in milk was isolated by fuming Nitric acid method. In our experiment, graphical peak which contents strontium appeared in May. It is considered that cow takes grass in the field during this season of a year, and strontium-90 probably came from nuclear fission of the red China.
오명원,손동균,정진태,한종원,마경호,이정훈 한국약용작물학회 2022 한국약용작물학회지 Vol.30 No.1
Background: Licorice is a major medicinal crop used in most herbal remedies in Korea. Establishing efficient planting techniques for the licorice rhizome (stolon) requires, examining the agronomic characteristics of licorice rhizome (stolon) using different planting standards such as thickness, length, and planting methodology. Methods and Results: Various cutting lengths (3 ㎝, 5 ㎝, and 7 ㎝) and sizes (4 ㎜ - 6 ㎜ and ≥ 7 ㎜ in thickness) of licorice rhizome (stolon) were propagated. To optimize the planting methods, the licorice rhizome (stolon) cuttings were planted upright (90°), oblique (30°), and level (180°). The aboveground bud number and growth characteristics were investigated. The 7 ㎝ length rhizome (stolon) with a thickness of 4 ㎜ - 6 ㎜ produced one bud. The thickest cutting (≥ 7 ㎜) all produced two buds except the 3 ㎝ length of rhizome (stolon). The plant heights were superior when grown from the thickest cuttings. However, there was no significant difference in growth between the different cutting lengths of the same thickness. Conclusions: To optimize planting, the cutting should be ≥ 7 ㎝ in length and ≥ 7 ㎜ (biennial) in thickness and planted at 30° (oblique method).