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벼 무논골뿌림栽培時 播種期 및 立毛數가 生育 및 收量에 미치는 影響
洪性澤,朴栽成,朴成圭,李尙榮,池在浚,孫錫龍 충북대학교 농업과학기술연구소 1999 農業科學硏究 Vol.16 No.-
This study was conducted to establish the cultural techniques of the puddled-soil drill seeding of race (Oryza sativa L.), which is one of the efficient labor saving cultural methods, in the central part of Korea. Seoanbyeo was seeded at three times from April 10 to May 20 with the 20 day interval in 1994. The number of seedling stands per m2 at each seeding date were 50, 90, 130 and 170. The tillering characteristics, lodging characters, dry matter production, yield components and yield were investigated. The number of days to the maximum tillering stage was reduced at the later seeding date. It was 70, 55 and 25 days in seedings on April 10, April 30 and May 20, respectively. The critical effective tillering stage was also shortened at the delayed seeding. The higher the number of seedling stands was, the higher number of tillers, the shorter duration to the maximum tillering stage and the earlier critical effective tillering stage were resulted. The number of tillers was higher at the earlier seeding date. The number of tillers was increased in the order of 50, 90, 130 and 170 seedling stands per m2. The ratios of effective tillers were 53, 61 and 63% at seeding on April 10, April 30 and May 20, respectively. The ratios were not significantly different at April 10. But the ratios in seeding on April 30 and May 20 were reduced as the number of seedling stands was increased. The weight of stem base related to lodging was the highest with 2.01g/10 plants in the optimum seeding on April 30, while it was 1.59g/10 plants in the late seeding on May 20. It was also decreased as the number of seedling stands was increased. The dry weights at 30 days before the heading stage were increased at the later seeding, while the dry weight at the heading stage was the highest at seeding on April 30 which is considered as the adequate seeding time. The dry weights at 30 days before the heading stage were increased as the number of seedling stands was increased and they were increased up to 130 seedling stands per m2 at the heading stage. The length of panicle exsertion was shortened at the later seeding. The length of panicle exsertion was increased up to 130 seedling stands. but it was shorter at 170 seedling stands. The heading dates were later at seeding on April 30 and May 20 than at seeding on April 10. They were not remarkedly different among seeding dates at 50 seedling stands, it was earlier at the higher number of seedling stands over 90. The number of spikelets per panicle was decreased at the higher number of seedling stands. The ratio of ripened grains was higher at earlier seeding than at later seeding. It was not significantly different among the number of seedling stands at the same seeding time. Yields at seeding on April 30, April 10 and May 20 were 644, 624 and 551kg/10a, respectively. The seeding on April 30, the optimum seeding time, resulted the highest yield. Rice quality was decreased due to the increase of the green kerneled rice as the seeding date was delayed.
朴栽成,朴成圭,李尙榮,洪性澤,池在浚,趙東三,孫錫龍 충북대학교 농업과학기술연구소 1999 農業科學硏究 Vol.16 No.-
This experiment was carried out to obtain indispensable information to establish comprehensive cultural method of rice in direct seeding on dry paddy at Chungbuk Agricultural Research and Extension Services. Effect of seeding date on dry matter production, yield components and yield were studied. Seeding on May 5 ensured the highest maximum number of tillers, while transplanting on May 20 gave the highest rate of effective tillers. Number of effective tillers was greater in the order of Hwajinbyeo, Hwaseongbyeo, Daekwanbyeo. Lengths of upper three leaves were increased at later seeding, but leaf width was not affected by seeding date. Ratio of leaf blade weight was higher in earlier seeding during 30 days before heading but was higher in later seeding during 30 days after seeding, and was higher in the order of Hwajinbyeo, Hwaseongbyeo, Daekwanbyeo. CGR, RGR and NAR were not significantly different among seeding dates during 30 days before heading, but were lower in later seeding during 30 days after seeding. LAR was not affected by seeding date during 30 days before heading, but was higher at seeding on May 5 in heading date and during 30 days after heading. Dry weight of leaf blade, leaf sheath and culm, ear and total biomass during 30 days before heading and heading were highest in May 5 seeding. Daekwanbyeo and Hwaseongbyeo in May 5 seeding and Hwajinbyeo in April 20 seeding brought the highest yield with greater number of spikelets, higher ripening ratio and greater 1,000 grain weight, and harvest index and grain/straw ratio were Increased at earlier seeding. There were significantly positive correlations between number of panicles per m2 and LAI at 30 days before heading and heading, dry matter weight of leaf blade and total mass at heading. On the other hand, there were significantly negative correlations between seeding date and ripened grain ratio. 1,000 grain weight and yield, and between 1,000 grain weight and leaf length of 2nd, respectively.
벼 무논골뿌림裁培時 播種期가 生育 및 收量에 미치는 影響
池在浚,朴裁成,朴成圭,李尙榮,洪性澤,孫錫龍 충북대학교 농업과학기술연구소 1999 農業科學硏究 Vol.16 No.-
This study was carried out to determine the optimum seeding date for the rice(Oryza sativa L.) cultivation of the puddled-soil drill seeding, which is one of the efficient labor saving cultural methods, at the central part of Korea. Namweonbyeo, Anjungbyeo and Ilpumbyeo were seeded on four dates from April 10 to May 25, 1994 with the 15 day interval in the paddy field. In order to examine the adequate seeding date, the growth characters, yield components and yields were investigated. The coleoptile emerged 1 or 2 days earlier in Namweonbyeo than in Anjungbyeo and Ilpumbyeo, and later seeding resulted earlier coleoptile emergence. The number of seedling stands were higher in the order of Namweonbyeo, Anjungbyeo and Ilpumbyeo, was increased at the later seeding and was 81 to 88 seedlings on April 10 seeding. The plant height, number of leaves, number of tillers and dry weight at 50 days after seeding of all three cultivars were higher at later seeding. Leaf area index(LAI) were higher in the order of Ilpumbyeo, Anjungbyeo and Namweonbyeo. LAIs at the heading stage, at 30 days after heading and at 30 days before heading were higher in that order. The dry matter weight at the 30 days before heading was higher in sheath and stem than that in leaf blade, while, at heading stage, it was higher in the order of sheath and stem, leaf blade and panicle. On the other hand, at 30 days after heading, it was higher in the order of panicle, sheath and stem and leaf blade. The number of panicles per m2 was greater in the order of Ilpumbyeo, Anjungbyeo and Namweonbyeo. The ratio of ripened grain was reduced as the later seeding date. Its ratio was higher in Namweonbyeo than in Anjungbyeo and Ilpumbyeo. Yield of Namweonbyeo was lower than those of Anjungbyeo and Ilpumbyeo. Yield was decreased as the seeding date was delayed. Namweonbyeo showed the highest yield at seeding on May 10, while Anjungbyeo and Ilpumbyeo showed at seeding on April 25. The seeding date was negatively correlated with the ratio of ripened grain. while the number of seedling stands was positively correlated with the number of panicle per m2.
申宅秀,柳聖琦,鄭明秀,李起男 한국전통의학연구소 2006 한국전통의학지 Vol.15 No.1
This Study aims at looking into the use of oriental medical services in treating hypertension. The first objective to be explored through this study is the morbidity caused by the disease, classifying them by age, gender, and occupation. The second is to determine the regular use of anti-hypertensive medicine and their efficacy in controlling blood-pressure. The third is to investigate the use-rate and satisfaction of oriental medical service. 838 households across the country, were asked to answer questionnaires for the period of time from Apr. to Jun. 2005. The conclusion from the survey can be summarized as following. The age of which the first medical diagnosis of hypertension were made showed lower in males, those with higher education and income. The study showed females were more active in blood-pressure control, with their frequent monitoring of blood-pressure for the past year. With age, people in under 50 age group proved to be less active. The management of high blood pressure was more effective in group with regular dosage compared to group with irregular use of anti-hypertensive medication, but their difference was minimal. Also, group with no medication showed signs of blood-pressure control. The use of oriental medical service for the past year, were more frequent in groups with lower education, either low or high income, old age, females and occupations in agriculture, forestry and fishing industry. Results were similar in both general population and high blood-pressure patient group. Females, people over 51 years old and with lower education showed more intentions in utilizing oriental medical services in the future. Results were similar in both general population and high blood-pressure patient group. It is necessary to offer a more accurate information on oriental medical treatments. Also, a systematic reform to reduce the patient's share of the treatment cost, as well as, heightening public awareness on the infirmity of present blood-pressure management system is crucial.
박택규,박성수 建國大學校基礎科學硏究所 1993 理學論集 Vol.18 No.-
2-mercaptoethanol 존재하에 0-phthalaldehyde는 1차 아미노산과 빠르게 반응해서 lsoindole 유도체를 생성하게 된다. 이러한 유도체 25종을 포함하는 혼합물을 두 가지 용매를 gradient로 사용해서 334nm에서 Diode Array Detector를 이용해서 45분 이내에 분리하였다. 각각의 아미노산 유도체 정량은 Internal Standard Method를 따랐고, 3% 이하의 Relative Standard Deviation 이내에서 재현성이 있었다. 검출한계는 2-5 picomoles 정도였다. 0-Phthaladehyde in the presence of 2-mercaptoethanol reacts rapidly with primary amino acids to form isoindole derivatives. A mixture containing 25 of these derivatives was separated in less than 45 min on reversed-phase C18 column, using two solvents and a multiple-step gradients, and were measured at 344nm with the diode array detector. The quantitation of the individual amino acid derivatives by internal standard method was repro-ducible within a relative standard deviation of less than 3% for all amino acids and had a detection limit of approximately 2-5 picomoles.
정성택,박종남,조규재 한국공작기계학회 2003 한국생산제조학회지 Vol.12 No.6
CFRP composite has a lot of merits such as mechanical characteristic, light weight, and thermal resistance. For these merits CFRP is applied to so many industrial area. In order for the composite materials to be used in the air& structures or machine elements, accurate surfaces for bearing mounting or joints must be provided, which require precise machining. In this paper, the relationship between the stack thickness and drill diameter is examined from the drilling experiment, which is the drilling of 16, 32, 48plies specimen with the φ8, φ10, φ12mm cemented carbide drill. The results are analyzed with consideration of cutting force, stack thickness and drill diameter.
이성용,강영택,이정현 국립특수교육원 2012 특수교육연구 Vol.19 No.1
상황이야기 중재는 자폐증 및 발달장애학생의 사회적 기술과 지식을 증가하기 위하여 활용되는 효과적인 교수전략이다. 본 연구는 상황이야기를 중재로 활용한 국내 실험연구들을 메타분석 함으로써, 상황이야기 중재의 효과성을 검증하고 앞으로 효과적인 사회성 기술 교육 프로그램을 개발 및 적용하는 데 필요한 기초 자료를 제시하고자 하였다. 이를 위해 지금까지 국내에서 발표된 상황이야기 중재와 관련된 논문을 조사하고, 분석 논문 선정 기준에 따라 국내 13편의 실험 논문을 최종 분석 대상으로 선정하였다. 본 연구의 메타분석은 3가지 분석 영역에 따라 총 7개의 분석변인(연구대상, 실험환경, 실험설계, 중재유형, 목표기술, 중재효과, 유지 및 일반화 효과)으로 분석하였다. 우선 메타분석의 결과를 살펴보면 상황이야기 중재효과는 전체적으로 중간 크기의 효과를 보였으며, 유지와 일반화는 큰 효과가 있었다. 본 연구의 분석결과는 7개의 분석변인에 따라 구체적으로 제시하였으며, 그 결과는 상황이야기 중재와 효과적인 교수기법을 의미하는 근거기반 실제의 관점에서 논의하였다. The social story is effective intervention strategies for addressing social communication skills, social interaction skills, and behavioral functioning in children with ASD and developmental disabilities. The purpose of this study was to meta-analysis the research literature of social story interventions of children with ASD and developmental disabilities and to provide information and suggestions on social story interventions for future research and practices at schools. A systematic search of the literature from 1993 to 2011 revealed 13 experimental studies published in special education within South Korea. This study analyzed the 13 selected studies in terms of 7 analytical variables: participants, research settings, experimental design, target skills, type of intervention, effects of intervention, maintenance and generation. In particular, results indicated a moderately positive effect for social intervention (mean ES ≤ .80, median PND = 85%). Maintenance (median PND = 100%) and generalization effects (median PND = 100%) revealed large effects. The findings of this study were described in detail based on the 7 analytic variables. The implications of the findings and recommendations for practice and future research on social story interventions were presented.