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        검색결과 17

        1.
        2024.02 KCI 등재 구독 인증기관 무료, 개인회원 유료
        본 연구는 구약성경 안에서 하나님의 선교를 논할 때 제한적이며, 특히 창조신학과 원역사 안에서는 거의 다루어지지 않는다는 문제의식 에서 출발하였다. 하나님의 선교라는 렌즈로 성경 전체를 바라볼 수 있어야 하나님의 선교는 성경적인 뒷받침을 얻을 것이다. 본 연구는 하나님의 선교는 하나님의 형상을 통해 사명을 위임받아 보내심을 받은 선교적 인간에 의해 그분을 계시하고 세상에 구속과 샬롬을 이루는 인간의 선교로 나타난다는 것을 주장한다. 즉 하나님의 선교 관점에서, 하나님의 형상에는 창조된 인간이 그분을 계시하고, 세상에 구속과 샬롬을 이루도록 고안된 특별한 기능이 포함되어 있으며, 이 기능을 통해 인간은 공동체가 교회의 본질을 회복하는 데 중요한 역할을 담당할 수 있다는 것이다. 이를 통하여 하나님의 선교가 이루어져야 하는 방향과 선교가 보내심을 넘어서 하나님을 계시하는 모든 행하심이 선교이고 그것은 세상에 대한 보호와 보존, 발전임을 주장할 것이다. 그래서 보내심의 선교의 의미를 더 풍부하게 만드는 것이 또한 이 연구의 목적이 된다.
        8,100원
        2.
        2022.10 KCI 등재 구독 인증기관 무료, 개인회원 유료
        자율운항선박(MASS : Maritime Autonomous Surface Ships)은, 고도의 자율도를 가지고, 계획된 경로를 따라 자율 운항하지만, 필요시 육상원격제어센터(SRCC : Shore Remote Control Center)에서 선박의 운항에 직접 개입할 수 있다. 본 연구에서는 이러한 자율운항 선박의 운항을 육상에서 모니터링하고 유사시 원격제어하는 역할을 담당할 육상원격제어사(SRCO : Shore Remote Control Officer)의 교육 훈련에 필요한 시뮬레이터 시스템의 운용개념과 이를 가능하게 하기 위한 요구기능에 대해 검토하였다. 육상원격제어 시뮬레이터 시 스템은, 다수의 자율운항선박의 운항상황을 모니터링하는 Monitoring Station, 유사시 특정 선박의 운항에 직접 원격개입하는 Control Station의 기능을 모의하도록 하였고, 시뮬레이션 종합통제실, 자율운항선박 운항상황 모의 시뮬레이터, 그리고 주변의 유인선 운항을 모의하기 위한 통항선 시뮬레이터 등으로 구성하였다. 기능적으로는, 육상에서 선박을 직접 제어하기 위하여 원격으로 개입하는 ESRC(Emergency Situation for Remote Control) 상황을 정의하여 이러한 상황을 모의할 수 있도록 하였다.
        4,000원
        4.
        2007.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        본 연구는 아열대 일년생 작물인 kenaf를 철원지역에서 품종 Dowling, Everglade-41, Tainung-2를 재배하여 생육특성과 광합성율을 측정하였다. 생장분석 결과 파종 후 53일째에 Everglade-41 품종이 잎 생체중과 건물중이 가장 높게 나타내었다. 줄기 무게는 Tainung-2 품종이 가장 높았으며, 93일과 115일째에서는 Dowling 품종이 줄기와 잎에서 가장 높은 생체중과 건물중을 나타내어 생산적 측면에서는 Dowlin
        4,000원
        5.
        2006.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        본 연구는 양마 3품종을 재식거리, 품종 및 수확시기에 따른 건물수량과 사료성분의 변화를 검토하고자 강원도 철원지역에서 2005년 5월 20일부터 2005년 9월 12일까지 수행되었다. 시험배치는 3반복 분할구 배치로 주구는 재식거리와 수확시기를, 세구는 양마 3품종(Dowling, Everglade 및 Tainung)을 배치했으며, 결과를 요약하면 다음과 같다. 생육일수에 따른 건물 생산량은 93일까지는 재식거리가 구에서 높게 나타났다. 품종별 건물생
        4,000원
        6.
        2017.05 서비스 종료(열람 제한)
        Background : Kenaf (Hibiscus cannabinus L.) is a member of the malvaceae family and has been prescribed in traditional folk medicine in Africa and India. It showed broad biologicas activities such as hepatoprotective activity, antioxidative activity and haematinic activity. Kenaf leaves contain a lot of vegetable calcium, protein, iron and vitamins, so have high potential as functional food. Thus, the present study purposed to analyze useful substances contained in kenaf leaves and their activities and look for their possibilities as the materials of food and medicine. Methods and Results : We sowed the seeds of three varieties of kenaf, namely, Dowling, Everglade-41 and Tainung-2 at planting space of 20 × 20㎝ on the field and collected plants on the 98th , 127th and 141st days from sowing. The total polyphenol content was measured using a slightly modified Folin-Denis method, which uses the phenomenon that a phenolic substance turns blue by reaction with phosphomolybdate. Conclusion : We analyzed SOD enzyme activity related to the scavenging of superoxide anion radical (․O2-) through NBT reduction. As for the SOD activity of leaf extract by variety, the activity was 92.6%, 91.0% and 92.6%, respectively, in Tainung-2 on day 98, 127 and 141 from sowing, slightly higher than those in the other two varieties but not significantly different. The activity was slightly higher in the middle period of growth than in the harvest period, but not much different according to harvest time. As for the DPPH radical scavenging activity of leaf extract by variety, the activity was 80.87% and 80.71%, respectively, in Tainung-2 on day 98 (30th of October)and day127 (28th of September), slightly higher than the other two varieties.
        7.
        2016.10 서비스 종료(열람 제한)
        Background : This study analyzes changes in DPPH radical scavenging activity, total polyphenol contents, and total flavonoid contents of six different kinds of Kenaf (Hibiscus cannabinus L.) leaves which are identified as herbaceous plants, and are living in the subtropics. The data of changes in polyphenol, flavonoid contents and DPPH radical scavenging activities were analyzed, based on two different lengths of growth period.. Methods and Results : The six different kinds of cultivars ; Jangdae in Korea, and El-1, R, G-1, Ef-1, Ef-2 in the State of Israel were collected on the 43th and 62nd day from when they have planted. The collected cultivars were dried at 70℃, and 80% of methanol concentration was applied to each ground specimen. Extraction was made by immersion and filtering process at room temperature. Samples were classified into two groups, one for cultivars that were collected on the 43th day, and the other for the collection of the 62nd day. We measured the rate of DPPH radical scavenging activity, total polyphenol contents, and total flavonoid contents for every Samples. For the group of the 43th day collection, Jangdae showed the highest rate of radical scavenging activity as well as the highest polyphenol contents, and El-1had the highest flavonoid contents. For the group ofthe 62nd day collection, R demonstrated not only the highest contents of polyphenol and flavonoid, but alsothe highest rate of antioxidant activity. When we compared each cultivar from another regardless its date of collection, R resulted biggest increase in all of functional components. Conclusion : Based on the test results, useful components and antioxidant activity of kenaf leaves increase in proportion to longer growing period. Particularly, the study indicates that R can be utilized as a cosmetic ingredient crop, as the rate of increase in polyphenol and flavonoid contents were highest among the six cultivars.
        8.
        2010.02 KCI 등재 서비스 종료(열람 제한)
        Machilus thunbergii was an important medicinal resource and distributed widely in China. In this study, the bioactivities of dichloromethane fraction (DF) and water fraction (AF) from Machilus thunbergii methanol extract were investigated. Total phenolic contents of DF and AF were 57.90 mg Gal/g and 189.92 mg Gal/g, and total flavonoid contents were 17.34 mg Que/g and 58.38 mg Que/g respectively. The EC50 for DPPH radical scavenging activity of DF and AF were 24.37 μg/ml and 2.10 μg/ml. Reducing power and hydroxyl radical scavenging activities of AF were higher than those of DF. The α-glucosidase inhibitory activity of AF (IC50 = 1.13 μg/ml) was higher than that of DF (IC50 = 5.34 μg/ml). The cell viability was showed that only the DF had anti-proliferation effect on human cancer cell HT-29. These results suggested that both the DF and AF extract of Machilus thunbergii were potential materials for anti-diabetes and functional food for their radical scavenging activity.
        9.
        2007.08 KCI 등재 서비스 종료(열람 제한)
        가래나무 잎을 원적외선 30, 40 및 50 v에서 각각 10, 20 및 30분을 처리하였다. 원적외선을 조사한 잎의 총 폴리페놀 함량, 총 플라보노이드 함량, 잎 추출물의 DPPH radical 소거 활성 등을 분석한 결과, 원적외선 30 v에서 20분간 조사한 처리구에서 총 폴리페놀 함량은 25.43 mg/g로 , 총 플라보노이드 함량은 39.38 mg/g으로 가장 높게 나타났다. 그 반면에, 원적외선 50 v에서 30분간 조사한 처리구에서 총폴리페놀 함량은 16.93 mg/g으로, 총플라보노이드 함량은 23.78 mg/g으로 가장 낮게 나타났다. 전체적으로 원적외선 처리에 의해 잎에 함유한 항산화 물질의 함량의 증가는 물론, 그 추출물의 항산화 활성도 증가하는 것을 알 수 있었다. 하지만 원적외선 처리가 가래나무에 함유한 어떠한 특정적인 물질들의 증가에 관하여서는 추후에 더욱 많은 연구가 필요할 것으로 사료된다.
        12.
        2006.12 KCI 등재 서비스 종료(열람 제한)
        To investigate effects on the growth and ginsenosides accumulation in ginseng hairy root, potassium phosphate was supplemented with 1.25, 2.5, and 5.0 mM concentration in 1/2 MS medium, respectively. Potassium phosphate supplement was increased the biomass and ginsenosides accumulation when it was dose at the concentration of 1.25 mM. And the growth rate of hairy root in the light condition was higher than in dark condition. The highest contents and productivity of ginsenosides were observed at the supplement of 1.25 mM potassium phosphate at the 7th day after the culture onset. Ginseng hairy root cultured in 20 L bioreactor supplemented with 1.25 mM KH2PO4 was increased the growth with 1,609 g (F·W) and ginsenosides content with 11.09 mg than those in control.
        13.
        2006.12 KCI 등재 서비스 종료(열람 제한)
        The study was carried out to establish an improved protocol for shoot organogenesis and plant regeneration from leaf explant cultures of Scrophularia buergeriana M. with the treatment of ethylene inhibitors [silver nitrate (AgNO3), aminoethox-yvinylglycine (AVG), Cobalt chloride (CoCl2)]. The regenerated shoots obtained from leaf explant cultures on MS medium containing 2 mg/l BAP, The additions of AgNO3. AVG and CoC12 substantially improved the shoot regeneration frequency, at the optimal concentration of 7 mg/L, 7 mg/L, and 3 mg/L respectively, The regenerated shoots could be easily rooted with 0.1 mg/L IBA treatment. The noted plants were hardened and transferred to vermiculite with a 85% survival rate where they grew normally.
        14.
        2006.12 KCI 등재 서비스 종료(열람 제한)
        To investigate the effect of culture conditions on growth and ginsenosides accumulation, we cultured the ginseng hairy root under three different media, white light or ultra-violet irradiation. The MS/B5 medium containning MS basal salt and B5 vitamin was good for the growth and ginsenoside accumulation. The light during the culture period of ginseng hairy root was irradiated. The growth was abundant in the ginseng hairy root cultured in dark. But the ginsenosides accumulation was higher than in the ginseng hairy root cultured in the light irradiation. When the ginseng hairy root was cultured in 20 L bioreactor, the ginsenosides accumulation was observed at 34% higher than the hairy root cultured in dark. UV irradiated the ginseng hairy root during the culture period. The long time irradiation of UV was caused decreasing the growth of ginseng hairy root, but the accumulation of ginsenosidess was increased as to the irradiated time.
        15.
        2006.06 KCI 등재 서비스 종료(열람 제한)
        After examining the difference in the photosynthesis rate of corn according to the planting distance, the distance of 40 × 40 cm showed the lowest rate by 23 days after transplanting (May 31); however, there was no significant difference in the photosynthesis rate due to increased salt tolerance in the plant as time went by. As for the difference in growth features of a plant, the planting distance of 40×40cm showed a growing disorder due to the influence of salt by 23 days after transplantation (May 31); however, there was a desirable growth as time went by. For the difference in the salt content within a plant, the planting distance of 40×40cm tended to be higher than other planting distances, and the K⁺ content is much higher than other kinds of salt after examining the difference in salt absorption. As for the correlation between saline components within a plant, there was a significant negative correlation among K⁺, Ca²⁺, and Na⁺ while there was a significant positive correlation among Mg²⁺, Ca²⁺, and Na⁺. After examining the effectiveness of salt removal from soil according to corn cultivation, the planting distance of 30×30㎝ showed a remarkable decrease by 37 days, compared with 23 days, after transplantation in K⁺ by 28%, Ca²⁺ by 36.6 %, Mg²⁺ by 30.6 %, and Na⁺ by 22.9 %. And the salt content is higher in surface soil than in subsoil.