검색결과

검색조건
좁혀보기
검색필터
결과 내 재검색

간행물

    분야

      발행연도

      -

        검색결과 1,327

        581.
        2009.08 구독 인증기관·개인회원 무료
        This experiment was conducted to evaluate the effect of seeding rate on the quality and yield of whole crop rice variety, "Namil". Whole crop rice variety, "Namil", was direct seeded at 25 April. The seeding rate were four level(30, 60, 90, and 120㎏/㏊). There was not found significantly difference plant height and dry matter(DM) content among seeding rate. Acid detergent fiber(ADF) and neutral detergent fiber(NDF) content was increased until 90㎏/㏊ of seeding rate. The content of TDN(total digestible nutrient) decreased also with increased seeding rate until 90㎏/㏊ seeding rate. The highest fresh and DM yield showed at 120㎏/㏊ seeding rate. But there was not found significantly difference among 60, 90 and 120㎏/㏊ seeding rate. Although high seeding rate increase the DM yield, 60㎏/㏊ seeding rate will be recommendable as proper seeding rate for whole crop rice.
        582.
        2009.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        본 연구는 미디어별로 애니메이션을 이용하는 소비자들의 성향을 2007애니메이션산업백서의 통계 자료를 바탕으로 연구하였다. 그 결과 TV, 극장, 인터넷, UCC, 휴대기 등의 여러 미디어 중 대다수가 텔레비전을 이용하여 애니메이션을 시청한 것으로 나타났다. 특히 텔레비전에서도 공중파TV보다 케이블TV를 가장 많이 이용하였고 그중에서도 애니메이션 전문채널을 통해 시청한 것으로 나타났다. 이러한 성향은 케이블TV의 일반화된 보급과 이용 그리고 무엇보다도 애니메이션을 선호하는 소비자의 성향에 맞는 전문화된 프로그램으로 케이블TV가 자리메김하고 있기 때문임을 알 수 있다. 따라서 애니메이션이용의 활성화를 위해 미디어특성에 따른 소비자의 선호도 이용성향을 고려한 전문성 있는 애니메이션이 제공되어야 함을 알 수 있었다.
        4,000원
        584.
        2009.05 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This paper is to investigate the effect of the immersion time in the traditional hairtail hand line for developing the fishing methods and the fishing gear in the coast of jeju. The operating of 32 times was made with each different immersion time of hairtail hand line, and the relations between the catch and the immersion time were examined. As the result, targeted species rate was over 98% of total catch. From about 800 seconds after casting, the hooking rate was decreased and the bite loss rate was increased, it seems to be made by the decreasing factors of predators including the cutting of branch lines etc. In addition, it was supposed that the hooking rate and the bait loss rate had a deep connection with feeding time zone. The level of the correlation coefficient of the bait loss rate according to the immersion time was 0.54 at p≤0.01, in the case of the hooking rate, 0.59 was chosen after about 800 seconds. The hooking rate and the bait loss rate according to the hook number were not irrelevant to the fish school layer. Additionally, it was assumed that the bait loss rate was related to the depth of water.
        4,000원
        585.
        2009.05 구독 인증기관·개인회원 무료
        In order to improve mass rearing methods of hornfaced bee, Osmia cornifrons, in different field condition, a series of studies were conducted in apple orchard in Geochang province, eco-park in Suwon and botanical park in Yongin. 1,000 individuals and 2,000 individuals of Osmia cornifrons were released apple orchard and eco-park and botanical park respectively. Nesting rate of Osmia conifrons was most effective in case of releasing in botanical park in Yongin with 38.2% and lowest in eco-park in Suwon with 21.7%. And also number of cocoons nested in bamboo tube traps was highest in botanical park in Yongin with 3,494 individuals. Sex ratio in 3 different areas was also most effective with 58:42 in botanical park, 50:50 in apple orchard and lowest with 43:57 in eco-park. Nesting activity was shown starting point in 20th day, peak point in 38th day and ending point in 46th day after releasing of adults. This result shows nesting efficacy in botanical park designed with various species of plant sources pollinating insect, Osmia cornifrons, to increase the multiplication rate in field condition is more effective than other areas. General type of nest shows same tendency in efficacy of nesting rate compared with specific type of nest designed with dark thick cover in apple orchard. But it's result needs some further examination in same condition.
        586.
        2009.03 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Estimation of mortality behavior of a industrial property are useful for calculating depreciation and making management decisions relating to property. The common methods of computing depreciation require an estimation of service life, and some methods ma
        4,000원
        587.
        2009.03 KCI 등재 구독 인증기관 무료, 개인회원 유료
        팽이버섯 생산비용을 절감하기 위하여 한번 사용한 배지의 적정 혼합비율을 구명하고자 시험한 결과는 다음과 같다. 팽이버섯 재배 배지재료로 미송톱밥, 1회 팽이버섯 재배에 사용한 톱밥, 콘코브 그리고 영양원으로 미강과 밀기울을 이용하여 14가지로 배지를 조성하여 균사배양기간, 자실체 수량과 품질을 조사하였다. 두 가지 영양원에 따라 배양기간은 큰 차이가 없었지만 유효경수, 자실체 수량과 품질은 밀기울보다 미강이 좋았다. 폐배지를 20% 혼합한 처리 즉 미송톱밥 60%+폐배지 20%+미강 20% 배지가 관행처리 미송톱밥 80%+미강 20% 배지와 품질은 비슷하며 수량은 142.2g 으로 관행의 130g 대비 10% 증수하였다. 그러나 폐배지 혼입량이 증가함에 따라 자실체의 품질과 수량이 현저하게 감소하였다. 따라서 폐배지의 적정 혼합량은 20%이며 수량도 10% 증가하였다.
        4,000원
        588.
        2009.02 KCI 등재 구독 인증기관 무료, 개인회원 유료
        본 연구에서는 SDSS DR6을 이용하여 별탄생율과 활동성 은하핵의 막대의 특성, 특히 막대의 세기에 대한 의존성을 조사하였다. 막대의 세기를 보다 잘 표현하기 위하여 막대의 길이와 축비를 이용하여 막대를 6개의 군으로 나누었다. Hα 방출선 세기로부터 구한 별탄생율은 막대의 세기와 좋은 상관관계를 보였으나 활동성 은하핵은 막대와 또렷한 상관관계를 보이지 않았다. 전자의 상관관계는 막대에 의해 유발되는 가스 유입이 막대의 세기에 의존하기 때문이라고 해석되며, 활동성 은하핵이 막대의 특성과 특별한 상관관계를 보이지 않는 것은 초중량 블랙홀로 들어가는 가스의 양이 막대와 초거대 블랙홀과의 상호 작용에 의해 조절된다는 것을 의미한다. 활동성 은하핵은 주변의 밀도에 의해 영향을 받으나 별탄생율은 주변의 밀도와 무관해 보인다. 이것은 별탄생은 은하에서의 가스 밀도에 의해 결정되는 국지적인 현상인데 반해 활동성 은하핵은 질량이나 광도와 같은 은하의 특성이 밀도-광도관계로 표현되는 은하의 환경 의존성과 밀접한 관계가 있음을 암시한다.
        4,300원
        593.
        2008.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        인공호수(옥정호)에서 2004년 11월부터 2007년 6월까지 월 1회 간격으로 수층별(표층: 0~5 m, 중층: 4~5 m, 하층: 8~10 m)육수학적 요인과 동물플랑크톤군집 동태 및 식물플랑크톤에 대한 섭식 기여율을 파악하였다. 조사기간 동안 수층별 평균 수온은 각각 상층 15.2±7.8℃, 중층 14.5±7.4℃ 그리고 하층은 13.0±6.2℃
        4,000원
        594.
        2008.12 구독 인증기관 무료, 개인회원 유료
        This study was carried out to analyze any possible changes in the heart rate variability(HRV) of white-collar workers of a manufacturing firm based in Chollabuk-do Province when they are stressed due to their daily job performance and thereby to help them seek a more effective method of the management of their health and help them form more desirable habits of living by finding out how seriously his or her stresses from his or her job performance affect their quality of life(QOL). As a process of the above-mentioned manufacturer's plan to do an Oriental health examination on its white-collar workers, each of the workers of the firm was given a copy of questionaires. The questionaires carried questions regarding each of the workers' general characteristics, clinical history, health-related lifestyle and the QOL and each of the workers was asked to provide his answers to the questions listed on the questionaire. The examination progressed to measure any possible changes in the HRV of an individual worker. Among all of the questionaires filled out and collected from the workers, a total of 423 data were used as the data of the research except those that had answers which were not appropriate for the purpose of the research. The analysis of each of the workers' health related quality of life(HRQOL) showed that the younger, the lower the standard of education is, each of the subjects was found to tend to show a relatively higher QOL if only he is healthy. With regard to the worker's habits of living, those who exercise on a regular basis and who get a good sleep were also found to have a comparatively higher QOL With reference to the HRV, young workers, those who have spouses, those with a high level of academic background, those with a short work experience were found to tend to have a relatively higher HRV. As regards each worker's habits of living, those who do exercise on a regular basis were found to have a comparatively higher index of HRV. RMSSD was found to have an impact on workers' general health, on the other hand TP was found to have an impact on workers' role of emotion. This result was based on findings through analyzing interrelation between HRV and QOL that stresses have an impact on the QOL. Taking a look at the above results, it was learned that individual worker's efforts to promote his or her health, along with establish desirable habits of living, these two qualities are important methods to improve the quality of life. In addition, control of stresses is necessary to improve the QOL, which is possible through emotional stabilization.
        5,800원
        595.
        2008.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        본 연구는 도로연장측면에서 본선에 비해 상대적으로 연결로에서 발생하는 사고빈도가 높고, 교통사고가 증가하는 추세인 고속도로 연결로의 교통사고 예측모형의 개발에 초점을 두었다. 연결로 유형별(직결, 준직결, 루프)로 통계적으로 유의한 사고인자를 선정하고, 사고율과의 관계가 비선형 임을 분석하여 변수를 변형(Variables Transformation)하여 All possible 방식으로 예측모형을 개발하고, 통계적 진단 및 검증을 거쳐 유의성을 확인하였으며 이에 기존 개발 모형에 비해 예측력이 더욱 우수한 결과를 보였다. 개발된 사고예측모형은 보다 비용면에서 효율적이고, 안전한 트럼펫형 IC 연결로의 설계와 연결로 교통사고 원인분석에 활용될 수 있을 것으로 기대된다.
        4,300원
        596.
        2008.10 구독 인증기관·개인회원 무료