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Analysis of Genetic Diversity of Korean Wheat Cultivars Using Microsatellite DNA Polymorphisms
Park,Yong-Jin,Cho,Gyu-Taek,Ma,Kyung-Ho,Lee,Sok-Young,Lee,Jung-Ro,Kim,Young-Chang,Cho,Eun-Gi,Kim Chang-Yung,Nam,Jung-Hyun,Rao,V,Ramanatha,Kang,Hee-Kyoung 한국자원식물학회 2004 Plant Resources Vol.7 No.2
Genetic background and phylogenetic relationships among 20 Korean wheat cultivars were assessed using microsatellites after amplifying with 13 SSR primer pairs. Average allele number per primer pair was 3.36. Genetic similarities for every pair of cultivars ranged from 0.42 to 0.97, with 0.69 of overall average. Korean cultivars were divided into two major groups based on microsatellite DNA polymorphisms. Group I consisted of relatively old cultivars developed until 1970s, and group II contained the recent cultivars developed during 1980s and 1990s. Amongst old elite cultivars/lines, ‘Yukseung 3’, ‘Norin 12’ and ‘Norin 72’ contributed most to the genetic background of cultivars belonging to group I, and ‘Norin 4’, ‘Norin 12’, ‘Norin 43’ and ‘Norin 72’ to group II, respectively. The phylogenetic relationship of Korean wheat cultivars was in accordance with the genealogical data of each cultivar. The genetic background of each cultivar was assessed from the point of breeding and germplasm management such as variety identification and duplicated accessions for assisting in developing a system for the registration of new variety based on the molecular characterization in future.
홍관이,이광재,김두경,부기원,노성규,한상준,박기동,오수일,문병용,이철규,박장평,엄기진,박남환 江原大學校附設 體育科學硏究所 1984 江原大學校附設體育科學硏究所論文集 Vol.- No.9
This study is designed to grasp the elements and situations of stage fright in order to propose a part of ways to cope with it. We make 511 top-class high school players, male and female, in the central districts (Seoul, Inchon, Kyungki, Chungbuk, and Kangweon Province) on object of questionnaire, and get the following results. Through players generally have all-round characters they show weakness in the superiority and emotional stability while showing strength in the sonformity. This fact comes to be related to the elements which cause stage fright. Physiological changes also have many effects on the symptom of stage fright. Especially, stage fright increases when players show sensitive reaction to the self-consciousness of final consequence which comes from the tension or uneasiness of sympathetic nerve, Thus, it turns out that players make use of reducing psychological burden by physical exercise or adjusting the level of demanded result in order to release the stage fright.
朴魯參,李曾錫,長仁洙 慶一大學校 1987 論文集 Vol.3 No.1
The aim of this study is to improve the present methodology estimating the storage-yield-return period relationship for a reservoir design on a reservoir operation. Non-sequential mass curve method is reviewed and examined to calculate the reservoir storage-yield-return period-effective stage curve. The historical data are utilized to examine the reservoir storage capacity, those are monthly runoff data during 1917∼1940 at the Hong chun damsite.
상악동 후비공 용종에서 줄기의 경로에 따른 상악동구 전산화단층촬영 소견
이승훈,박동우,이승로,함창곡,이학수,김용수,박충기 한양대학교 의과대학 2002 한양의대 학술지 Vol.22 No.2
Purpose: We evaluate the pathway of the stalk of antrochoanal polyp on the coronal and axial computed tomography scans (CT), comparing with operative findings. Materials and Methods: Fourteen patients (7∼40 years old, median= 12.5 years old, ratio of male to female: 8/6) with antrochoanal polyp were examined, who took the orbitomeatal unit (OMU) CT including both coronal and axial scans as well as the operation. The CT findings and clinical findings were analyzed for the pathway of the stalk of antrochoanal polyp, comparing with the operative findings. Results: The antrochoanal polyps were mostly located on the left side (12/14, 85.7%) and equally passed through the natural and accessory ostia (7/14, 7/14) in our cases. Those that were passing through the accessory ostium were located more inferiorly and posteriorly, with preserving the natural ostium on CT scans, comparing to those via the natural ostium. However, those passing through the natural ostium had a larger stalk that eroded the uncinate process widely. So each ostium was hardly discriminated on CT scans. Conclusions: The pathway of the stalk of the antrochoanal polyp could be more specifically evaluated on both coronal and axial OMU CT scans. So, it could be more hilpful in the presurgical planning.
Carbamate系 殺蟲濟 MIPC(o-Isopropylphenyl-N-methylcarbamate) 粉濟의 安定性에 關한 硏究
孫炫洲,朴魯東,朴昌奎 서울大學校 農科大學 1980 서울대농학연구지 Vol.5 No.2
Effects of moisture, pH, surface acidity and stabilizers on the stability of MIPC in the 2% dust formulations have been studied. MIPC dust formulations containing different levels of moisture and stabilizers were perpared from locally produced carriers, clay, talc and kaolin. The formulated MIPC dust formulation were subjected to thermo-accelerated test. The results are summarized as follows: 1. As regard to MIPC stability to moisture content, clay or kaolin based MIPC dust formulations was most stable when the carriers were used as received. Talc based MIPC dust was, however, most stable when moisture content of the carrier was adjusted to 1%. 2. Effects of stabilizers were best demonstrated when HMT, urea and PAP were added to talc based MIPC formulations. In general, stabilizing effects of varioul stabilizers were meagre in the clay based dust. The PAP alone had pronounced stabilizing effect in the kaolin based formulations. 3. Among three carriers, clay excelled itself over compatibility with MIPC in the dust formulations. 4. concentration of either HMT or urea at 5% showed greater stabilizing effect compared with those at 3%. 5. Among laboratory formulated MIPC dust formulations, clay I+MIPC+urea(5%), clay I+MIPC+urea(3%), clay II+MIPC+HMT(5%) and talc I+MIPC+urea(5%) proved equal or even superior to the commercial MIPC dust by the thermo-accelerated test.
엄기진,이철규,박장평,이광재,문병용,홍관이,노성규,오수일,박기동 江原大學校附設體育科學硏究所 1985 江原大學校附設體育科學硏究所論文集 Vol.- No.10
This study conducted for analyze the process of physiological variation during shooting, and produce the basic data for training prescription to the performance improvement in Air Rifle Shooting, 9 Elite Rifle shooters )College 3, High School 3, Middle School 3) in GangWeon province were tested the physiological parameter which are Electrocardiograph(E.C.G), Heart-rate(H.R), Respiratory pattern, and Trigger time by polygraph system 8 channel from Sept. 1st to Sept. 10th, 1985. Analyzed experimental results are as follows; 1. Firing at T-P wave in E.C.G, 77.68bpm in H.R)16.68% by resulting H.R), the deep size of inspiration-expiration was low, and 8.34 sec of trigger interval were appeared when the shooter acquired high score. 2. The most effective factor among physiological parameters for excellent shooting score is the inspiratory volume with decresc breathing pattern. 3. Shooting performances correlated with stability and static-dynamic balance, but flexibility effected on negative correlation.