• Title/Summary/Keyword: 국립대학교

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Growth Response of Strawberry Seedlings to Application of Solid Chlorella (고형 클로렐라 시비에 대한 딸기유묘의 생육 반응)

  • Young-Nam Kim;Jun Hyeok Choi;Hyeonji Choe;Keum-Ah Lee;Young-Eun Yoon;Vimalraj Kantharaj;Yong Bok Lee
    • Korean Journal of Environmental Agriculture
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    • v.42 no.4
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    • pp.382-388
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    • 2023
  • A liquid-type chlorella (LC) produced by self-cultivation is used for strawberry cultivation by farmers in Korea. This study aimed to investigate seedling growth in two strawberry cultivars 'Soraya' and 'Haruhi' after applying solid-type chlorella (SC) in the greenhouse for 30 d. The treatments were as follows: Control, LC (0.2% of 1.0 × 107 cells/mL), ¼ SC (12.5 g/m2), ½ SC (25 g/m2), and SC (50 g/m2). Compared to the control, in the ½ SC treatment, dry weight of the seedlings increased at 30 days after treatment (DAT). Phosphorus content in the leaves of 'Soraya' seedlings of the SC treatment increased compared to that of the control. At 10 and 30 DAT, photosynthetic pigments including chlorophylls and carotenoids in the seedlings of both cultivars increased with the ½ SC treatment. These results indicate that the application of SC improved the growth of strawberry seedlings and could replace LC.

Case Report: Reconstruction of the Lower Lip using the Karapandzic Flap (증례보고: Karapandzic Flap을 사용한 하순부 재건)

  • Jun Sik Kim;Jae Bong Shin;Nam Gyun Kim;Gi Cheol Do;Min Hyung Kim;Tae Ho Kim;Kyung Suk Lee
    • Korean Journal of Head & Neck Oncology
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    • v.39 no.2
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    • pp.75-78
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    • 2023
  • Squamous cell carcinoma of the lip is a common malignant tumor originating from oral cancer. However, unlike other areas, the lips hold significant functional and aesthetic importance as a part of the face. As a result, a tailored approach based on the tumor's size, type, and location is essential. The Karapandzic flap is especially suitable for reconstructing lesions located on the lip, particularly when the size of the cancer is large and other surgical treatments like free flaps are not feasible. It allows for extensive resection beyond the size of the lower lip. In this case, considering the patient's overall condition, successful reconstruction of the lower lip was achieved using the Karapandzic flap.

Intelligent safe operation system using big data of marine risk (해양위험 빅데이터를 활용한 지능형 안전운항 시스템)

  • Sung-Jun Byun;Seung-Woo Han;Seon-Gu Lee;Jeong-Mi Kim;Su-Yeon Hwang;Chang-Hwa Shin
    • Proceedings of the Korea Information Processing Society Conference
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    • 2023.11a
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    • pp.1114-1115
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    • 2023
  • 이 논문은 해양 안전 및 보트 운항 훈련을 위한 소형선박 시뮬레이터의 개발을 다룬다. 시뮬레이터는 자유 운항, 시험 모드 운항, 초급자 훈련 모드 운항 등 다양한 기능을 제공하며, 사용자의 실력과 선호도에 따라 맞춤 교육을 제공한다. 이를 통해 보트 운항의 안전성을 향상시키고, 비용 효율적인 방법으로 많은 사용자들에게 접근 가능한 학습 도구를 제공한다.

Investment efficiency and Relationship between Investment efficiency, Profitability in National University Hospitals (국립대학교병원의 투자효율 및 투자효율과 수익성 간의 관계)

  • Ha, Ok-Keun;Jung, Yong-Mo
    • Management & Information Systems Review
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    • v.32 no.1
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    • pp.135-151
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    • 2013
  • The study has been carried out to understand productivity-related factors that have been connected to improve financial independence rate of national university hospital. In order to achieve such research purpose as working out implications of efficient resource management, data from the four years between 2007 to 2010 of 12 national university hospitals were reviewed. According to the results, the hospitals came up with significant differences in Value Added to Total Asset, Value Added to Tangible Fixed Assets, Value Added to Personnel Expenses and Value Added Ratio to Patient Revenues. In addition, after the relation between the investment efficiency and profitability of the national university hospitals was investigated, it was learned that application of basic environmental factors would have an influence on a profitability index Operating Margin. As long as the basic environmental factors are adopted, Operating Margin of the national university hospitals is improved under the condition that the Value Added to Tangible Fixed Assets for Production and the Value Added to Personnel Expenses gets higher but the Value Added Ratio to Patient Revenues gets lowered.

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