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유동 수치해석을 이용한 응집 , 침전지 유입 분배수로 설계인자 연구
하은정,오정우,김정현,윤장근 대한상하수도학회 2000 상하수도학회지 Vol.14 No.4
In water treatment plants, open channel is used to distribute incoming flow to parallel treatment unit, such as flocculation basin and sedimentation basin. These control devices must be designed so that the incoming flow evenly distributed to the process unit. this is important in the view of optimizing process unit. In the recent past, significant insights into the sedimentation process have been developed. In this study, the 2-D computer program is developed to investigate fluid flow field and velocity vectors in flocculationㆍsedimentation inlet distribution weir and calculate flow rates in each inlet weir. The specific purpose of this study is to analyze physical design factors, such as flow rates, shape of channel, tapered angle in tapered type channel and main channel width.
의료서비스조직 기혼 여성근로자의 직장-가정 갈등, 조직 지원이 조직유효성에 미치는 영향
하은정,권수진,Ha, Eun Jeong,Kwon, Su Jin 보건의료산업학회 2007 보건의료산업학회지 Vol.1 No.1
The purpose of this study is to shed light on the effect of work-family conflict on organizational effectiveness, focusing on the moderating effect of organizational support among married working women of health services organizations. Data were collected from 149 married working women of health services organizations located in Busan Metropolitan areas by structured self-administered questionnaire. Main results of this study is as the following: First, based on the type of work-household conflicts, namely time-based conflict(2.82 points), strain-based conflict(2.81 points) and behavior-based conflict(2.69 points), working women mainly experienced time and strain-based conflicts. The level of work-household conflicts was significantly higher among younger groups, highly educated, nurses, and regular workers. Second, the perceived organizational effectiveness found to be an above-average. Especially scores were high in the subcategories of customer orientation(3.84), followed by organizational commitment (3.42) and job satisfaction(3.19). The level of organizational effectiveness was significantly higher among older groups, medical technician and administrative job holders, day-time workers, and higher income groups. Third, the results of the regression analysis on the effects of work-household conflicts on organizational effectiveness showed that strain-based conflicts have a significant negative effect on organizational effectiveness such as job satisfaction and organizational commitment. Fourth, organizational support found to have a strong controlling effect for strain-based conflicts on organizational effectiveness. Above results imply that practical family-supportive policies for lessening the work-household conflicts is crucial for enhancing organizational effectiveness in health services organization.
Mismatch Negativity(MMN) 반응을 이용한 주의집중 정량화에 관한 연구
하은정,임덕환 한국청각언어재활학회 2006 Audiology and Speech Research Vol.2 No.2
MMN 검사는 대상자의 주의집중 없이도 검사가 가능하여 유아나 검사하기 어려운 환자 집단에 대한 임상적인 중요성을 가지고 있다. 이로 인해 주의력 결핍 장애, 청각 장애 아동, 실어증, 정신분열증 환자, 신생아 등의 음 지각 처리 능력 측정이 가능한 것으로 보고되고 있다.6) 이러한 집 단의 사람들은 특히 주의집중 능력 자체가 평상 시 생활 하거나 재활을 받을 때 영향을 미치는 요소가 될 수 있다. 그러나 현재에는 이러한 주의집중에 대한 정도를 측정할 수있는 객관적 평가 도구가 부족한 실정이다. 청각장애 아동과 정상 아동과의 주의집중 능력을 주관적인 평가로 비교한 연구 결과, 청각 장애 아동의 주의집중 능력은 정상 범위 안에 포함되지만 선천성 감각신경성 난청을 가진 아동의 경우 일부 주의집중 문제에서 높은 위험성을 가