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김경회 대구대학교 산업기술연구소 2014 産業技術硏究 Vol.25 No.1
In view of new·renewable energy and the recycling of waste resources, this SIG study suggests that fry-drying technique using boiling heat transfer can convert yearly increasing organic wastes to solidified fuel source. Solidified fuel from organic wastes can be produced from lab-scale batch reactor and pilot-scale continuous process, its calorific value shows good quality ranging from 5,000 to 5,500 ㎉/㎏ and the advantage of low cost fuel can also be made through mass production.
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김경회 한국경호경비학회 1997 시큐리티연구 Vol.- No.1
Nowdays the prison is the only correctional for juvenile delinquents not to be the second offenders in Korea. Originally the correctional education aims to let criminals go back to the society as a decent citizen after correcting them and prevent them from comminitting crimes repeatedly. Being considered to increase the second offenders in juvenile delinquency, the purpose of this study is to investigate the actual condition and problems of juvenile correctional education in Korea and to find out the solution of problems. First of all, this study examines the actual condition of the juvenile delinquency in Korea. The number of juvenile crimes has been increased from 1985 to 1995. In 1997, the current education in correctinal institutions for juvenile delinquents is inferior to that of developed countries. On the basis of this investigation, improvement plans which will be fit for the circumstances in Korea are suggested. The conclusion of this study are summarized as follows 1. Correctional institutions will be improved to accommodate the proper number of convicts. 2. Correctional officers should be qualified proffessinals who can achieve the aim of correctional education successfully. 3. In order to cultivate he social adaptability of convicts, the expansion of open prison is needed. 4. It is neccessary to classify convicts by means of moderized and scientific methods. 5. Correctinal education consist of various practical courses on jobs, After complenting these vocatinal training, the convict can obtain certificates. 6. The government has to has to plan policies that the released convicts can get jobs for living. 7. Owing to keeping prisons sanitary, it is very helpful for convicts to have thebelief that they are not abandoned by the member of their society. 8. Convicts are given opportunities to participate religious activities by their free-will. If above improvement plans are sufficiently accomplished, correctinal education will obtain good results, It is also effective to minimize the repetition of offence by ex-convicts.
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김경회,김혜숙 한국공업화학회 2005 응용화학 Vol.9 No.1
The behavior of dielectric material and manufacturing process of polyimide can be optimized by understanding relationship between surface chemistry and the wettability of polyimide. A general and useful method to predict the wettability of polyimide is to measure contact angle, which provides the information on surface tension, morphology and heterogeneity of the surface of polyimide. This research improves the existed repetitive and inexact method of measuring contact angle, and the improved measurement of contact angle can be reproducible and exact by capturing the image of the sessile drop on BPDA-MDA polyimide film and analyzing the image quantitatively. All nonpolar liquids of alkane homologues easily spread on the the surface of BDPA-MDA polyimide. On the other hand, polar or hydrogen-bonding liquids form a certain angle on the surface of BPDA-MDA polyimide. Critical surface tension of BPDA-MDA polyimide estimated from Zisman plot is smaller than that calculated from the plot of 1+cosθ vs. 1/γ_(L)^(0.5) plot or the plot of log (1+cosθ ) vs. logγ_(L) plot.
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OTP: An Overlay Transport Protocol for End-to-end Congestion and Flow Control in Overlay Networks
김경회,김평연,염성관,석승준,강철희 한국전기전자학회 2007 전기전자학회논문지 Vol.11 No.4
The problem of architecting a reliable transport system across an overlay network using split TCP connections as the transport primitive is mainly considered. The considered overlay network uses the application-level switch in each intermediate host. We first argue that natural designs based on store-and-forward principles that are maintained by split TCP connections of hop-by-hop approaches. These approaches in overlay networks do not concern end-to-end TCP semantics. Then, a new transport protocol-Overlay Transport Protocol (OTP)-that manages the end-to-end connection and is responsible for the congestion/flow control between source host and destination host is proposed. The proposed network model for the congestion and flow control mechanisms uses a new window size-Ownd-and a new timer in the source host and destination host. We validate our analytical findings and evaluate the performance of our OTP using a prototype implementation via simulation.
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김경회 한국교육개발원 2015 한국교육 Vol.42 No.1
Purpose: Recently, in Korea a number of legal disputes have occurred, involving local education authorities, centered on conflicts between the Ministry of Education and school superintendents. To gain perspective on these disputes, this study compares and analyzes the different regulations that exist in Korea and Japan regarding state supervision over superintendents. Design/methodology/data/approach: The literature review focuses on analyzing the state supervision statutes of the Local Autonomy Act and Local Education Autonomy Act in Korea and Japan respectively by utilizing a comparative approach. Also, this study includes a comparative analysis on alternative dispute resolution (ADR) as regards the disputes between the Ministry of Education and school superintendents. Findings/Results: The findings show that the Local Autonomy Act in Japan specifies the procedures and requirements needed to initiate interventions by the state in order to reduce state involvement in local autonomous affairs. If the Ministry of Education wants to regulate the Local Board of Education to pursue some goal, the minister needs to obtain approval from the judiciary in advance. This procedure increases the action’s legitimacy in accordance with the judiciary decision. Further, an ADR with legal binding power enables the rapid processing of disputes in Japan effectively. Value: The implications of this study provide a better understanding of legislative policy issues regarding state supervision in the Republic of Korea. 이 연구는 교육부장관과 시 · 도교육감 간에 국가의 지도감독권 행사에 대하여 법적 분쟁이 빈번하게 일어나고 있는 한국의 교육 현실에 주목하여, 우리나라와 일본의 국가 감독권을 비교하여 우리에게 주는 시사점을 논구하고 있다. 일본은 교육위원회에 대한 국가의 관여를 한국에 비하여 체계적으로 규율하고 있고, 관여의 요건과 절차를 상세히 정함으로써 국가의 통제를 억제하면서도 분쟁의 여지를 줄이고 있다. 대집행 등 통제력이 강한 감독권을 행사할 때는 사전에 사법부의 판단을 구하고 판결에 따라 조치함으로써 정당성을 높이고 있다. 법적 구속력을 지니는 대체적 분쟁 조정기구를 운영하여 분쟁의 신속한 처리를 도모하는 점이 한국과 다른 점이다. 일본의 사례를 참조하여 국가의 감독권과 관련된 입법정책 과제를 제시하고 있다.
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