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Application of the Septet Classification System on Rose Cultivars
김기준,기광연,이자현,송영하,정연화,정예선,한태호 한국원예학회 2011 Horticulture, Environment, and Biotechnology Vol.52 No.1
Cultivars in the species Rosa hybrida L. can be classified into five septet groups according to their karyotypes. The objective of this study was to confirm the measurement of the septets using random amplified polymorphic DNA (RAPD) in various rose cultivars. Three species were comprised of four accessions, and 55 cultivars were subdivided into 37 standard and 18 miniature cultivars. The characteristics of the individual septets in three species were as follows: Rosa multiflora (WD1 and WD2) and R. indica (WD4) belonged to septet A and AA, respectively, and R. rugosa (WD3) belonged to septet C. Moreover, 55 rose cultivars were used in order to assess the contribution of the septets. Nineteen RAPD primers were used for an analysis. As a result of the dendrogram obtained from a cluster analysis, three different rose species were clearly allocated in accordance with their septets. Two accessions of R. multiflora (WD1 and WD2) were grouped together. In this study, the septet concept applied to identify the genetic variations of rose cultivars in more detail. Consequently, RAPD was a reasonable tool for the analysis of genetic backgrounds in rose cultivars.
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김기준,안종민,이재하,최종수,임흥식,허기봉,석진영 한국항공우주학회 2012 한국항공우주학회 학술발표회 논문집 Vol.2012 No.4
본 논문에서는 외형손상으로 인한 비대칭 주익을 갖는 항공기의 비행역학 특성을 연구하였다. 항공기의 우측 날개 일부 파손을 가정하였으며, 파손시의 항공기 상태를 가정한 6자유도 방정식을 유도하였다. 공력데이터와 개선된 6자유도 방정식을 통하여 비선형 모델 및 특정 트림조건의 선형 모델을 구축하였다. 그리고 트림 조건에서 주익손상 정도에 따른 비선형 시뮬레이션을 통하여 각 조종면이 항공기의 반응에 미치는 영향을 파악하였다. 전익형 형상의 비행체 모델에 대한 풍동실험을 통하여 공력데이터를 구성하였으며, CATIA 모델을 사용하여 날개 파손시의 무게변화, C.G.변화, MOI변화를 계산하였다. 본 수치 시뮬레이션을 통하여 파손 전후의 동적 반응을 분석 하였다. In this study, effect of asymmetric wing damage on the flight dynamic characteristics was investigated. Partial right wing loss was considered for aircraft damage. To construct a 6-DOF model for the damaged asymmetric aircraft, a flying-wing type UAV was designed and wind tunnel test for each damage configuration was performed to identify the aerodynamic coefficient change. The mass, C.G. and MOI were also calculated for each damage configuration with CATIA. A couple of numerical simulation were performed to investigate the changed flight dynamics.
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金光鎬,金基駿 建國大學校附設 農業資源開發硏究所 1982 論文集 Vol.7 No.-
水稻 出穗期 이후의 葉身과 穎花가 同化器官인 source로서 그리고 受容器官인 sink로서 어떤 役割을 하고 있는지를 알기 위하여 4個의 水稻品種을 供試, 出穗期에 切葉 및 除穎處理를 몇개의 水準을 두고 實施하였다. 登熟期間 中에 주로 결정이 되는 形質을 調査한 結果는 다음과 같다. 1) 出穗期에 전체 葉面積의 40%정도 이상을 除去하면 登熟率이 減少되었으며 切葉比率이 높아질수록 登熟率은 낮아졌다. 2) 登熟粒의 千粒重은 60%정도 이상의 切葉處理區에서 減少되었으며 品種間에 切葉處理反應의 差異가 뚜렷하였다. 3) 이삭이 크고 大粒인 品種은 出穗期에 20%정도의 切葉處理에서도 穗當粒重이 減少되었으나 이삭이 작고 小粒인 品種에서는 100% 切葉區에서만 穗當粒重이 減少되었다. 4) 出穗期에 除穎處理를 한다고 해서 남아 있는 穎花의 登熟率 및 千粒重이 增大되지는 않았다. 5) 벼의 出穗期 이후에는 source인 葉身의 機能이 sink인 穎花의 機能보다 收量形成에 더 중요한 것으로 判斷되었다. This study was conducted to identify the role of leaf blades and spikelets after the heading date as the source and the sink in rice plant. Four rice varieties were planted, and five levels of leaf cutting and four levels of spikelet remove l treatments were practiced at heading date of each variety. The matured grain percentage, 1000-grain weight and grain weight per panicle at maturing stage were observed, and the results obtained would be summarized as follows: 1. Leaf cutting above 40 percent of every leaf blade at heading stage reduced the matured grain percentage, and the severer the leaf cutting was, the lower the matured grain percentage was. 2. The 1000-grain weight of matured grain was decreased by the leaf cutting above 60 percent of every leaf blade at heading stage and the 1000-grain weight response to leaf cutting was different between varieties used. 3. The grain weight per panicle was decreased by the leaf cutting above 20 percent of every leaf blade at heading date in rice varieties with the big panicle and the large grain, like Jinheung and Milyang 23. But the varieties with the smaller panicle and grain showed the decrease of grain weight per panicle only in 100 percent leaf cutting plot. 4. The matured grain percentage and the 1000-grain weight did not show any variation by all levels of spikelet removal practiced at heading stage in rice plant. 5. The function of leaf blade as the source for production was considered more important than that of spikelet as the sink for storage after the heading stage in rice plant.
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김기준,성완모,김주한,윤성현 한국응용과학기술학회 2019 한국응용과학기술학회지 Vol.36 No.1
Dipalmitoyl phosphatidyl choline(DPPC), Polyphenol Derivatives, and HematoxylinEosin were directly sonicated in acidic condition for 6 minutes to give clear stock solutions. Absorbtion properties of Polyphenol Derivatives in lecithin vesicle of Diphalmitoyl phosphatidyl choline system at 25℃ have been studied by absorbtion spectroscopy. The equilibrium of Polyphenol Derivatives between monomer and dimer in lecithin vesicles have been existed at low concentration of Polyphenol Derivatives, but oligomer has been formed in vesicle at high concentration of lecithin vesicles. By adding Bacteriorhodopsin(BR) to constant concentration of Polyphenol Derivatives decreased the absorbtion ratio(α/β) of Polyphenol Derivatives was increased during phase transition of dipalmitoyl phosphatidyl choline. In the presence of column eluted lamella vesicle and mixture of uni- and multilamella aggregates. The differences of rate between column eluted- and mixture were observed, therefore column eluted lamella reaction was represented more catalytic effect. The phase transition temperature of hydrolysis on Dipalmitoyl phosphatidyl choline and Polyphenol Derivatives were measured higher than it of Dipalmitoyl phosphatidyl choline and no Polyphenol Derivatives. Dipalmitoyl phosphatidyl choline(DPPC), Polyphenol 유도체, 그리고 Hematoxylin-Eosin은 5분 동안 산성 상태에서 직접 초음파 처리하여 명확한 표준용액을 제공했다. 25 ℃에서 DPPC 계의 레시틴소포에서 폴리페놀유도체의 흡수특성은 흡수분광학에 의해 분석하였다. 레시틴소포에서 단량체와 이량체 사이의 폴리페놀유도체의 평형은 폴리페놀유도체의 저농도에서 존재했지만 올리고머는 레시틴소포의 고농도에서 소포안에 형성되었다. 폴리페놀유도체의 일정한 농도에 Bacteriorhodopsin(BR)을 첨가함 으로써 DPPC의 상전이동안 폴리페놀유도체의 흡수비율(α/β)이 감소되었다. 기둥이 있는 곳에 라멜라 소포와 uni- and multilamella 응집체의 혼합물이 존재한다. 용출된 기둥과 혼합물사이의 속도 차이가 관찰되었으므로 기둥 용출된 라멜라반응 보다 촉매 효과를 나타냈다. DDPC 및 폴리페놀유도체에 대한 가수분해의 상전이 온도는 DDPC 및 폴리페놀유도체 보다 높게 측정되었다.
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