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Evaluation of crab apples for apple production in high-density apple orchards
권순일,유진기,이진욱,문용선,최철,정희영,이동훈,김창길,강인규 한국식물생명공학회 2015 식물생명공학회지 Vol.42 No.3
Crab apple cultivars, ‘Maypole’, ‘Tuscan’, and ‘Manchurian’, were evaluated as potential pollinizers of major apple cultivars, ‘Fuji’, ‘Hongro’, and ‘Tsugaru’, cultivated in high-density apple orchard systems. Numerous cultivar characteristics, including blooming time, pollen germination, fruit set, disease and pest resistance, and selfincompatibility, were examined. The blooming times of both ‘Maypole’ and ‘Tuscan’ ranged from April 19 to May 5, which was 2-4 days earlier than those of the major commercial apple cultivars. PCR analysis did not reveal the presence of any of the S-alleles (S1, S3, S7, or S9) identified in major commercial apple cultivars. In addition, the percentage of the fruit set was high after trees were artificially fertilized with crab apple pollen. Artificially cross-pollinated fruits were of similar or higher quality than open-pollinated fruits. They also demonstrated resistance to apple blotch, sooty blotch, and fly speck. The results indicate that the two crab apples, ‘Maypole’ and ‘Tuscan’ would be potential candidates for pollinizers of major apple cultivars in Korea. Use of the pollen of these crap apples in commercial production will improve fruit quality and promote sustainable and robust fruit production.
차세대 시퀀싱 (NGS), 맞춤 의학 시대를 여는 핵심 도구
권순일 대한임상검사과학회 2012 대한임상검사과학회지(KJCLS) Vol.44 No.4
Next-Generation Sequencing (NGS) is a term that means post-Sanger sequencing methods with highthroughput sequencing technologies. NGS parallelizes the sequencing process, producing thousands or millions of sequences at once. The latest NGS technologies use even single DNA molecule as a template and measures the DNA sequence directly via measuring electronic signals from the extension or degradation of DNA. NGS is making big impacts on biomedical research, molecular diagnosis and personalized medicine. The hospitals are rapidly adopting the use of NGS to help to patients understand treatment with sequencing data. As NGS equipments are getting smaller and affordable, many hospitals are in the process of setting up NGS platforms. In this review, the progress of NGS technology development and action mechanisms of representative NGS equipments of each generation were discussed. The key technological advances in the commercialized platforms were presented. As NGS platforms are a great concern in the healthcare area, the latest trend in the use of NGS and the prospect of NGS in the future in diagnosis and personalized medicine were also discussed. .
수행성적과 스포츠 팀 응집력, 만족도 및 참여동기의 관계 : 국민학교 6학년 남학생을 대상으로
권순일,박장평 江原大學校附設體育科學硏究所 1994 江原大學校附設體育科學硏究所論文集 Vol.- No.18
The purpose of this study is to focus upon the relationship of the elementary school boys sports performance results, cohesion, satisfaction, and motivation. This thesis tried to find the differences of cohesion, satisfaction, and motivation between the fail group and the success group with footbasebal game. The sample groups researched included 84 sixth year boys at Usan Elementary School in Wonju from April 20 to the end of June in 1993. Seven sample groups were divided into success groups and fail groups according to full league system with 21 games during one month. The data were gathered by questionnarie on team cohesion, their satisfaction, and their paticipant motivation at the end of games. T-verifing method applied for the data to find the difference between success groups and fail groups. Analysis of the data obtained from this research can be summarized as folloings and from results we have to be concerned with following suggestions which may be helpful for our educational reality. First, there were significant differences on the direct cohesion and the social cohesion values between the two groups. Second, there ere also evaluate values of the players' satisfation about their roles and position. Last, there were significant differences of their paticipant motivation with their intimate relationship and their mission. There should be more scientific and elaborate study under long-term plans, and evaluation of the sports groups for elementary students which was not mentioned of this paper.
SF<sub>6</sub>, C<sub>4</sub>F<sub>8</sub>, O<sub>2</sub> 가스 변화에 따른 실리콘 식각율과 식각 형태 개선
권순일,양계준,송우창,임동건,Kwon, Soon-Il,Yang, Kea-Joon,Song, Woo-Chang,Lim, Dong-Gun 한국전기전자재료학회 2008 전기전자재료학회논문지 Vol.21 No.4
Deep trench etching of silicon was investigated as a function of RF source power, DC bias voltage, $C_4F_8$ gas flow rate, and $O_2$ gas addition. On increasing the RF source power from 300 W to 700 W, the etch rate was increased from $3.52{\mu}m/min$ to $7.07{\mu}m/min$. The addition of $O_2$ gas improved the etch rate and the selectivity. The highest etch rate is achieved at the $O_2$ gas addition of 12 %, The selectivity to PR was 65.75 with $O_2$ gas addition of 24 %. At DC bias voltage of -40 V and $C_4F_8$ gas flow rate of 30 seem, We were able to achieve etch rate as high as $5.25{\mu}m/min$ with good etch profile.