• Proceedings of the Korean Society for Information Management Conference
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• 2004.08a
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• pp.215-224
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• 2004

2000년대에 들어오면서 전자정부 구현의 일환으로 중앙부처를 중심으로 전자문서관리시스템의 사용이 의무화되었다. 2004년 '공공기관의 기록물관리에 관한 법률'에서 공공기관으로 규정된 국내의 모든 기관에서 전자문서시스템을 사용하기 시작하였고, 다가오는 2005년부터 자료관시스템의 도입이 의무화됨에 따라 국내의 공공기관에서 전자문서관리시스템의 사용은 더욱 확산될 전망이다 본 연구에서는 자료관시스템의 효율적인 도입 및 운영에 대한 구체적인 방안을 제시하기 위하여 먼저 미국, 영국, 캐나다, 호주, 일본 등의 국가에서 이미 시행되고 있는 관련 시스템과 2003년 8원 정부기록보존소에서 제시한 '행정기관의 자료관시스템 규격'및 이를 근거로 하여 행정자치부로부터 인증 받은17개의 자료관시스템에 대해 살펴보았다. 또한 인증 받은 시스템을 도입하여 사용 중에 있는 4 군데의 시범 기관의 운영 사례를 시스템 자체의 문제점, 운영상의 문제점, 관리상의 문재점 등에 초점을 맞추어 살펴봄으로써 현행 자료관시스템 규격의 개선점 및 자료관시스템 운영에 있어서의 필수적인요건을 제시하였다.

• Journal of the Korean Society for information Management
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• v.21 no.3
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• pp.227-250
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• 2004

In order to design effective electronic records management systems, it is viable to consider both traditional principles of records management, proven to be effective, and the characteristics of digital information. ISO 15489, an international standard for records management, is acknowledged as the most useful guidelines for this goal. The present study extracted basic principles of electronic records management from its provisions of 7 functional steps. It then compared the principles to system requirements of three system design criterion, developed by Department of Defense(U.S.A.) Public Records Office(Britain). and European Union respectively. Common requirements, included in all three criterion. were then searched in the Korean standard of developing automated systems for records centers. Finally, suggestions were made to develop a Korean standard for electronic records management system, elaborating from the core requirements of the system found by the present study.

• Journal of Bio-Environment Control
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• v.28 no.3
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• pp.204-211
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• 2019

The purpose of this study is to provide basic data for setting environmental design standards for domestic greenhouses. We conducted experiments on thermal environment measurement at two commercial greenhouses where hot water heating system is adopted. We analyzed heat transfer characteristics of hot water heating pipes and heat emission per unit length of heating pipes was presented. The average air temperature in two greenhouses was controlled to $16.3^{\circ}C$ and $14.6^{\circ}C$ during the experiment, respectively. The average water temperature in heating pipes was $52.3^{\circ}C$ and $45.0^{\circ}C$, respectively. Experimental results showed that natural convection heat transfer coefficient of heating pipe surface was in the range of $5.71{\sim}7.49W/m^2^{\circ}C$. When the flow rate in heating pipe was 0.5m/s or more, temperature difference between hot water and pipe surface was not large. Based on this, overall heat transfer coefficient of heating pipe was derived as form of laminar natural convection heat transfer coefficient in the horizontal cylinder. By modifying the equation of overall heat transfer coefficient, a formula for calculating the heat emission per unit length of hot water heating pipe was developed, which uses pipe size and temperature difference between hot water and indoor air as input variables. The results of this study were compared with domestic and foreign data, and it was found to be closest to JGHA data. The data of NAAS, BALLS and ASHRAE were judged to be too large. Therefore, in order to set up environmental design standards for domestic greenhouses, it is necessary to fully examine those data through further experiments.

• The Korean Journal of Archival Studies
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• no.17
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• pp.247-292
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• 2008

Investigations have been started to set the modern history and national spirit to rights after Commissions were established. Those Commissions are established and operated with time limit to finish its own missions. They creates three kinds of records as acquired materials which acquired or are donated for investigation; investigation records as investigation reports; and administrative records that created while supporting organization's operation. The Commissions use more past records to do special tasks asnation's slate clean and uncovering the truth than other agencies. In other words, the commissions take the most advantages of well-managed records, however, their record management environment and operation systems are relatively loose than other permanent machineries. It has three reasons that; first, there is no record management regulations and criteria for machineries that have time limit. This affected each commissions 'systems and 6 Truth Commissions' record management systems are built separately and on the different level; Second, members lack responsibility from frequent sending, reinstatement, change, and restructuring and that makes troubles to produce and manage records; Third, central archives pay less attention to machineries that operated limited period as the truth commissions. The Commissions rather need more systematic control because its records have historical value. To solve these problems, record management regulations have to be prepared first with features of organizations running limited time and commissions' records as acquired materials or investigation records. Furthermore, building up standard record management system for the Commissions, standardizing transfer data, imposing professional record personnel, and setting limits frequent personnel changes would finish practical problems. Besides, those records created to reveal the truth should use for education and research because Truth Commissions are established to set unfortunate history right and not to repeat it again. The records would serve as steppingstone for establishment of the Truth Record Center that does education, information work, publication, and research with the records. The record center would help using the records efficiently and improving knowledge for its people. And, the center should devote people to recognize importance of the records.

• Journal of Wetlands Research
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• v.23 no.2
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• pp.183-188
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• 2021

In the case of small-scale sewage treatment plants, it is reported that the amount of inflow fluctuates and it is difficult to operate the sewage treatment due to the inflow of unknown water due to the aging of sewage pipes. In particular, there are many overall operational problems due to the decrease in water temperature in winter. In this study, the operation status of small-scale sewage treatment facilities located in mountainous areas and water quality changes according to temperature were analyzed. It was found that the concentration of BOD, COD, and SS in effluent water was greatly changed depending on the temperature, and it was found that COD was particularly affected. Accordingly, the water level of the bioreactor was raised by 0.4m in order to temporarily apply measures to lower the water temperature in winter. As a result of comparing and analyzing the results when the bioreactor was covered and operated, a significant improvement effect occurred. In addition, a plan to improve the treatment efficiency of the bioreactor in winter is to extend the residence time of the bioreactor, a plan to expand the bioreactor specification, a new flow control tank and transport it to the outside, and an oxygen-free air diffuser to be used as an aerobic tank in case of an emergency in winter. The improvement plan was suggested. The results of this study are expected to be used as basic data for the operation plan of small-scale sewage treatment facilities in winter.