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안종성 한국농화학회 1973 Applied Biological Chemistry (Appl Biol Chem) Vol.16 No.3
An experiment was carried out to study the effects of Zn application on the rice plant of IR-667 and Jinheung varieties grown under the conditions of poor drainage and low available Zn. The results obtained were an follows; 1. The poor drained condition of the paddy field eras more favorable for Zn utilization by the rice plants than the well drained condition. Also Zn application in the form of Zinc chloride (ZnCl₂) seemed to significantly increased the rice yield of both IR-667 and Jinheung. 2. Zn content of IR-667 was much higher than that of Jinheung. The concentration of Zn in IR-667 rice plant treaied by Zn fertilizer was about 200 ppm while that of control: plot (not received Zn fertilizer) only 30 ppm. This result suggests that Zn application might improve the yield under the condition of poor drained soil when Zn concentration of IR-667 rice plant is around 30 ppm. 3. Absorption of Zn-65 by the rice plant was greater in the plants grown without Zn fertilizer than those with Zn fertilizer application. At harvest, the higher amount of Zn-65 was accumulated in the grain than in the straw. 4. 2n fertilization increased the grain yield in the soil of Paju, Dalsung, Chilg ok and Chungwon with low available Zn.
운동학습의 OPTIMAL 이론이 다트 던지기 정확성, 자기-효능감, 정서적 경험에 미치는 영향
안종성 한국스포츠심리학회 2022 한국스포츠심리학회지 Vol.33 No.2
Purpose: This study was to investigate the influence of OPTIMAL theory(Wulf & Lewthwaite, 2016) on dart throwing accuracy. Methods: A total of 24 participants were randomly assigned into two groups (optimized vs. yoked). The dart throwing task was to throw the dart pin towards the bulls-eye of the dart board from 2m apart. The accuracy scores were determined by 10 scales of centric circles around the bulls-eye. The experiment was proceeded in the order of 1. pre-test 2. practice phase 3. retention test 4. transfer test. The dependent variables of this study were confirming the application level of OPTIMAL theory, dart throwing accuracy, self-efficacy, and emotional experiences(positive affect & negative affect). Results: First, the high application level of OPTIMAL theory were confirmed in the practice phase. Second, optimized group performed better in the practice phase and showed significant difference in the retention & transfer test. Third, optimized group showed significantly higher self-efficacy and positive affect. Conclusion: The OPTIMAL theory could induce positive learning effect in dart throwing accuracy, self-efficacy, and positive affect. These beneficial results imply that OPTIMAL theory must considered when organizing the motor-learning program.
안종성,서대헌,조광현,윤재일 대한화학요법학회 1997 대한화학요법학회지 Vol.15 No.4
본 증례는 erythomycin, penicillin-G, clindamycin, gentamycin 등에 저항성을 가진 S. aureus균에 의해 발생하였고 여러 항생제의 치료에도 반응하지 않다가 국소 mupirocin의 도포로 빠른 치유를 보인 심상성 모창 1예이다. Sycosis vulgaris is a kind of infectious deep follicuhtis. In some case, there are resistance to antibiotics, causing difficulty in treatment We experienced a patient of sycosis vulgaris with multiple erythematous folhcular papules and pustules on the beard region and scalp. He had been given several medications in other hospitals, but he was not improved. We treated him with roxithromycin, an analogue of erythromycin for two weeks, but failed. After labratory investigations including antibiotics sensitivity test, topical mupirocin was tried. Skin lesions were dramatically cleared
엘리트 테니스 선수의 서브 리턴 성공여부에 따른 시각탐색 전략의 차이
안종성,이승민 한국체육과학회 2020 한국체육과학회지 Vol.29 No.3
The purpose of this study was to investigate the elite tennis player’s different visual search strategies depending on the serve return success or failure. To achieve this goal, eye movement tracking device and Vision-in-Action(VIA) system were used for analyzing the elite tennis player’s visual search strategies. The result is as follow; First, the ratio of visual fixation time(%) showed significant difference in the ball, waist and impact areas. When the serve return was succeeded, the visual attention increased around impact area, and decreased around the ball and the waist. Second, the eye movement reaction time have been reduced significantly by an average of 0.02 seconds during the success serve return. Third, the visual fixation time of bound area was significantly longer during the service return of success. For the conclusion, the elite tennis player demonstrated different visual search strategies between the serve return success and failure. Moreover, the effective eye movement of visual context strategy and the active visual search pattern have been confirmed during the success trial of serve return tasks.
제조공정 단말PC 작업자 접속 로그를 통한 이상 징후 탐지 모델 연구
안종성,이경호 한국정보보호학회 2019 정보보호학회논문지 Vol.29 No.2
기업에서 내부자에 의한 기업 기밀 유출 방지는 기업의 생존을 위한 필수 과제이다. 내부자에 의한 정보유출 사고를 막기 위해 기업에서는 보안 솔류션을 도입하여 적용하고 있으나 접근 권한이 있는 내부자의 이상행위를 효과적으로 탐지하는 데에는 한계가 있다. 이번 연구에서는 기업의 제품 제조 이력, 품질 정보 등을 담고 있는 제조정보시스템의 작업자 작업화면 접근 로그 데이타를 기계학습 기법의 비지도학습 알고리즘을 활용하여 정상적인 접근 로그와비정상적인 접근 로그를 효과적으로 군집화하는 방법을 연구하여 이상징후 탐지를 위한 최적화된 속성 선택 모델을제시하고자 한다. Prevention of corporate confidentiality leakage by insiders in enterprises is an essential task for the survival of enterprises. In order to prevent information leakage by insiders, companies have adopted security solutions, but there is a limit toeffectively detect abnormal behavior of insiders with access privileges. In this study, we use the Unsupervised Learningalgorithm of the machine learning technique to effectively and efficiently cluster the normal and abnormal access logs of theworker's work screen in the manufacturing information system, which includes the company's product manufacturing historyand quality information. We propose an optimal feature selection model for anomaly detection by studying clusteringmethods.