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        검색결과 7

        1.
        2024.04 구독 인증기관·개인회원 무료
        식용곤충은 미래식량 자원으로써 우수한 가치를 지니고 있어 해외에서는 사육자동화, IoT 및 AI 기술적용, 수직재배시스템 구축 등 많은 연구가 진행되고 있지만 국내에서는 대규모 사육농가나 곤충스마트팜 기술개발 이 부족하여 이를 위한 AI/빅데이터 인프라 구축이 시급한 실정이다. 학습용 인공지능 데이터는 식용곤충으로 활용되고 있는 장수풍뎅이, 흰점박이꽃무지, 갈색거저리, 백강잠, 메뚜기, 풀무치의 생애 주기별 총 6종의 RGB 사진데이터와 분광이미지 데이터 408,000장을 구축하였으며 온도, 습도, CO,, 암모니아, 조도, 수분 등 환경 데이 터 200,000세트를 수집하였다. 수집된 데이터는 원시데이터 수집, 원천데이터 가공, 라벨링 데이터 결합, 가공데 이터 검수 등을 통해 만들어졌으며 관련 데이터는 AI Hub(www.aihub.or.kr)에서 다운받을 수 있다. 확보된 식용곤 충 6종의 데이터는 곤충 종별 성장단계, 환경 변수에 따른 최적의 사육환경 조성, 생산시기 예측, 스마트대량사육 시스템 개발, 제품 가공시 추적이력제 도입, 식용곤충 스마트팜 기술 개발 및 연구 등 다양한 분야에 활용될 수 있을 것으로 예상된다.
        3.
        2013.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Little research exists on expatriate language teachers’ experiences and attitudes toward their students and teaching contexts, particularly venues with younger learners, in an L2 setting. Thus, this study investigated native English-speaking teachers’ (NESTs) experiences of and attitudes toward teaching and interacting with Korean elementary school children in the Korean elementary school context. Data were collected through in-depth interviews with five NESTs who have worked, and are still working, in various areas of Korea. Findings indicated that the NESTs of the current study were holding relatively positive attitudes toward Korean children as well as teaching them English. The NESTs viewed Korean children as engaging and responsive learners, but stressed the importance of their own roles in creating an environment for the children’s better engagement. The NESTs’ experiences varied whether they had upper and lower grade elementary school children and whether they taught main classes or after-school classes, etc. Finally, the NESTs experienced challenges when dealing with children with extremely different levels of English in one classroom and with managing disorderly behaviors of after-school classes. Based on the findings of the study, practical implications for both NESTs and Korean teachers are provided.
        7,800원
        6.
        2007.06 KCI 등재 서비스 종료(열람 제한)
        “Jecy Gold” is a new kiwifruit variety developed at the National Institute of Subtropical Agriculture (NISA), RDA in 2003, which was for the utilization as fruit with yellow flesh and high soluble solids. This variety was selected from seeds obtained from the cross breeding between Actinidia chinensis cv. “Golden Yellow” and A. chinensis cv. “Songongu” with yellow flesh in 1997. Seedling and line selections were conducted from 1998 to 1999, and characteristic trials were carried out from 2000 to 2002. After developed, it was also conducted to the test of adaptability in kiwifruit orchards of Jeju island from 2003 to 2006. The branch of “Jecy Gold” sprouts strongly and the color of leaf is slightly dark green. The shape of fruit is obovoid, and the color of peel is yellowish-brown without hair. The average weight of fruit is 128.4 g. The core is middle and soft, the percicarp is golden yellow, and the texture is fragile and juicy. Soluble solids concentration is 14.8 oBrix. The total acid content is 0.69% and the fruit yield is higher about 30% than that of A. deliciosa cv. “Hayward”. The content of vitamin C is higher than that of A. deliciosa cv. “Hayward”. The harvesting time is from late October to early November and the fruit can be preserved about 90 days at 2°C. This variety can be planted bellow 100 m sea level and should be grown under shelter to prevent from disease and cold. This variety will be cultivated about 100 ha by 2011 in the southern part of Korea and has been supplied about 10 ha in 2007.