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      • 탄소기반 필러를 함유한 endo-dicyclopentadiene/ethylidene norbornene 복합체의 특성분석

        정종기 금오공과대학교 2013 국내석사

        RANK : 247631

        Carbon fiber reinforced thermosetting polymer composites were fabricated and characterized in this study. Endo-dicyclopentadiene (endo-DCPD), ethylidene norbornene (ENB), and their blends were used as matrix resins and multi-walled carbon nanotube (MWNT), carbon nanofiber (CNF), and short carbon fiber (SCF) were as reinforcements. The matrix resins were cured via the ring-opening metathesis polymerization (ROMP) reaction in the presence of the 1st generation and 2nd generation Grubbs' catalysts. To understand ROMP mechanisms of the matrix resins under the two different catalysts, the resins were analyzed using fourier transform infrared spectroscopy and differential scanning calorimetry (DSC) during curing. It revealed that the ROMP mechanism involved in the reaction system strongly depends on the type of the Grubbs' catalysts used. DSC dynamic scans showed that ROMP reaction is accelerated with increase of ENB ratio in the endo-DCPD/ENB blends. Thermal/mechanical properties from tensile and dynamic mechanical measurements were decreased in the higher ENB ratios of the blends. This is because addition of linear/branched molecules of polyENB into highly crosslinked polyDCPD lower overall crosslinking density. Thermal and mechanical properties of the resins incorporated with MWNT, CNF, and SCF in different loadings were investigated in this work. As a result, SCF-based composites showed a large increase in tensile modulus by about 100 % at a 20 wt% SCF loading. However, elongation-at-break and tensile toughness were greatly reduced. For MWNT-based composites, elongation-at-break and tensile toughness were increased up to a 0.4 wt% MWNT loading by about 22 % and then decreased at 0.8 wt% MWNT. The reduction of the properties is due to the aggregation of MWNT within matrix at higher loadings. Incorporation of CNF into the resins led to reduction in mechanical properties. For the all fillers used in this work, the 1st generation catalyst systems exhibited superior in tensile toughness to the 2nd generation systems. The effects of Grubbs' catalysts and blending ratios of endo-DCPD and ENB on gel fraction and swell behavior were also examined and the dispersity and interfacial adhesion of the fillers were observed using FE-SEM. In addition, polypropylene (PP) composites containing conductive MWNT (multi-walled carbon nanotube) and SSF (stainless steel short fiber) were manufactured using a twin screw extruder and characterized their surface resistivity and mechanical properties in this work. Surface resistivity measurements showed that the percolation threshold appeared at a lower MWNT loading when a small amount of SSF was added to PP/MWNT composites. Tensile modulus and strength of the composites increased but elongation-at-break decreased greatly compared to pure PP. Also, effects of MWNT and SSF on storage modulus and tan δ from dynamic mechanical analysis for the composites were examined, and morphologies of fractured surface and the fillers were observed using SEM.

      • 高等學校 讀書敎育에 關한 硏究

        정종기 公州大學校 敎育大學院 1994 국내석사

        RANK : 247631

        The purpose of this study is to investigate the present situation of reading education and to suggest directions for the desirable reading education in high school. For the study, the questionnaires made up of 22 items were collected from 153 High school library-personnels. I have studied the teoritical basis of reading education and investigated reading education for high schools in Kyeong-gi County. In order for the students to acquire of professional knowledge and skills and to solve the problem of the dehumanization, the confusion of the sense of value, and the poor educational environment, schools should enrich and cultivate students' character through reading education. The result of the surveys were as follows and indicated some directions for the reading education in high schools. 1. Approximately 20% of high schools do not offer the reading education, because of the entrance exammination for university, the indifference of school presidents, the lack of education curriculum. 2. First and second grade students are the main subjects for reading education. 3. Most of schools have practiced the reading education in Home Room, Club activities, but reading education class should be incorporated into regular curriculum. 4. Teacher-librarian should be in charge of reading education with other teacher's assistance. 5. The 40.6% of schools surveyed do not have any reading education plan.

      • 북한 주민의 탈북과 고신 총회의 역할 연구

        정종기 亞細亞聯合神學大學校 宣敎大學院 2004 국내석사

        RANK : 247631

        The defection from North Korea of North Korea inhabitant began to the difficulty of obtaining food from 1990. This is not the phenomenon to be the temporary. The survey estimates the number of the defectors to be approximately 100,000 in China today. The defectors are treated as illegal immigrants and, as such, forcibly repatriated to North Korea by the Chinese authorities. The number of the defectors arriving in China has substantially increased to a monthly average of 10,000 and the number of forced repatriations has also increased to a monthly average of 800 to 900 since the summer of 1998. The world is serious about this. This will be continued if the reform which North Korea is epochal or open does not exist. South Korea and North Korea advance toward the unification. We see in the unity course of Germany, The possibility that the massive escape from North Korea incident happens in the unification is very high. We look into a some branch occurrence possibility. The first thing is the difficulty of obtaining food of North Korea The second is North Korea inside crack and a setup overturn activity. The third is the recognition change of the North Koreans. The fourth is an international exchange respect change and a Juchesasang fixation. The fifth is the policy toward the north of America. The sixth is the collapse of North Korea setup. The seventh is the war. North Korean defectors which go to China belong usually to Refugee. Because According to the UN Handbook, an one individual can become Refuge when they leave the mark of their country. If somebody was not Refugee in the view to leave own country but somebody have the worry of a return to base persecution to the self country we are called 'Ex-post facto Refugee'. So, North Korean defectors belong to the international custom Refugee. The recently situation of refugees from North korea is a sign that God is opening the door of the Gospel for evangelism in North Korea. The key point of North Korea mission spreads the Gospel to Refugee. If Refugee takes chance the situation rotate and to go, they want to return at any time to the hometown. The Church and Mission Team must do that Refugee must go with the gospel when their return to the hometown. So, The KOSIN must do Refugee missionary work. When Massive escape from North Korea, The next is the role of the KOSIN for North Korea secession inhabitants. 1. We must take the role of spiritual bracing of South Korea society. 2. 1,600 churches of KOSIN must pray for South Korea. 3. We must build the Refuge's town.· 4. We must establish destitute countermeasure.. 5. We must prepare the thing for destitute 6. We must prepare a evangelical tool's for Refugee. 7. We must train the expert of North Korea Mission. 8. We must do the dispatch to Iraq the volunteer member to prepare Refugee situation. We reach yet because we imply the unification. God wants an one soul to come back to Lord. God come out therefore them from North Korea. God was them the low so that it came out the flood the famine and hungry be. God does not lose the time to harvest. Now is the time when we harvest. God will call these for harvest. God will make North Korea recover through these. KOSIN have the love and must go to massive escape from North Korea to harvest. North Korea to be recovered becomes the tool of the Gospel.

      • 대구경북경제자유구역청의 조직문화가 조직효과성에 미치는 영향 분석 : 대구경북경제자유구역청을 중심으로

        정종기 경북대학교 행정대학원 2014 국내석사

        RANK : 247631

        우리가 살고 있는 현대사회의 가장 큰 특징은 사회 환경의 급격한 변화와 그 변화의 속도이다. 이러한 급격한 변화 속에서 수많은 조직들이 새로이 생겨나고 변화하고 도태되어 사라져 가기도 한다. 이런 변화의 현대사회에서 “어떤 조직이 또는 어떻게 조직을 운영해야 조직 구성원들의 성과를 극대화 시킬 수 있을까” 라는 질문은 현대사회에서 가장 중요한 과제 중 하나일 것이다. 이와 관련하여 많은 학자들은 조직문화의 중요성을 인식하고 조직문화에 대한 많은 연구를 지속해왔다. 사기업에서 시작된 연구는 이제는 공공부문에까지 그 영역을 확대해가고 있다. 공공부문에서는 전통적인 공무원 조직에 대한 연구가 진행되었는데 현대사회의 행정추세는 점점 광역화되고 복합화 되어 가고 있으며. 이런 사회문제를 해결하기 위해서 공무원 조직자체도 기존의 전통적인 공무원조직에서 탈피한 새로운 형태의 공무원조직이 생겨나고 있다. 일반적으로 조직의 성과는 조직구성원에 의해서 결정되고 구성원들의 업무수행결과는 직무만족과 조직몰입에 영향을 받는다는 것이 다수 학자들의 견해이며 이런 이유로 조직문화와 조직효과성은 조직 연구 분야에서 중요한 주제중의 하나로 인식되고 있다. 조직의 형태와 특수성에 따라 조직문화는 다르게 형성될 것이며 조직효과성을 높이기 위한 방안 또한 조직의 특수성에 기인한 조직문화에 따라 다르게 판단되어져야 할 것이다. 본 연구는 대구경북경제자유구역청의 조직문화의 특성과 조직문화와 조직효과성의 관계에 대한 연구이다. 대구경북경제자유구역청은 대구·경북지역의 새로운 먹거리 창출을 위한 핵심 국책사업으로 2002년 12월 경제자유구역 지정 및 운영에 관한 법률에 기반하여 2008년 대구광역시와 경상북도 두 지자체의 지방자치조합의 형태로 설립된 기관이다. 이곳에 근무하는 구성원들은 양 지자체에서 파견형식으로 한시적으로 근무하고 있으며 경제자유구역청장은 공모를 통해 외부인사가 선임된다. 하지만 현재까지 대구경북경제자유구역청은 뚜렷한 성과를 내지 못하고 있으며, 그 운영에서도 적지 않은 부작용을 보이고 있는 현실이다. 그 이유로는 경제자유구역에 대한 구조적인 원인과 중앙기관과의 업무의 중복성, 자율권 부재 등 여러 외부 문제와 인사상의 문제, 청장의 리더십 문제 등 여러 내부 문제 등을 이유로 들 수 있겠다. 여기에서는 대구경북경제자유구역청의 조직효과성을 높이기 위한 원인 진단의 방안으로 대구경북경제자유구역청의 지방자치단체조합이라는 독특한 조직형태에 주목하고 여기서 파생되는 조직문화에 관심을 가지고 연구를 진행하였다. 이를 위해 현재 대구경북경제자유구역청 소속의 공무원들과 대구광역시청, 경북도청 소속 공무원들을 대상으로 설문조사를 실시, 분석을 실시하였으며, 추가적으로 각 기관별로 심층면접을 실시하여 설문조사를 통한 기술통계학적 분석 방법에 따른 단점을 보완코자 하였다. 그 결과 대구경북경제자유구역청의 조직문화는 전통적인 공무원 조직과는 구별되는 뚜렷한 차이를 보이고 있었다. 우선 대구경북경제자유구역청의 조직문화는 대구광역시와 경북도청에 비해 집단문화에서는 상당히 낮은 결과가 나온 반면 상대적으로 발전문화와 합리문화에서는 높은 결과가 도출되었다. 이는 선행연구결과와 면접 자료를 토대로 했을 때, 첫째로 파견형식으로 운영되고 있는 대구경북경제자유구역청의 인사제도를 원인으로 꼽을 수 있겠고, 둘째로 경제자유구역에 대한 개발업무, 외국기업 투자업무를 주된 업무로 하고 있는 대구경북경제자유구역청의 업무특성에서 비롯한 결과라고 판단된다. 하지만 대구경북경제자유구역청에서 기존 공무원조직에서 대표적으로 나타나는 집단문화와 위계문화가 낮게 나타나고 발전문화와 합리문화가 상대적으로 높게 나타난 것은 대구경북경제자유구역청은 기존 공무원조직의 관료제 특성에서 나타나는 문서주의, 서열주의, 레드테이프 등의 단점들을 극복하고 있다는 긍정적 신호로도 해석될 수 있다. 또한 대구경북경제자유구역청 구성원들은 대구광역시청, 경북도청 구성원들에 비해 상대적으로 매우 낮은 조직몰입도를 나타내었는데 이 또한 대구경북경제자유구역청의 내부적 특성에서 그 원인이 있다고 하겠다. 하지만 직무만족에서는 대구경북경제자유구역청과 대구광역시청, 경북도청의 조직 비교에서 유의미한 결과가 도출되지 않았는데 이는 공무원의 직무 자체는 조직의 특성보다는 직무자체와 직무를 행하는 담당자 성향에 따라 달라지기 때문이라 생각된다. 하지만, 집단문화는 기존연구에서 밝혀진 바와 같이 조직몰입도에 정(+)의 영향을 미치는 요인인데 집단문화가 대구경북경제자유구역청에서 낮게 인식되었다는 것은 대구경북경제자유구역청 내 구성원들간 원활한 소통과 멤버십 형성에 문제가 있다는 것을 의미하며 조직몰입도에서도 상대적으로 매우 낮은 수치를 나타냈다는 것 또한 대구경북경제자유구역청의 조직 운영에 문제점이 있다는 것을 나타낸다고 하겠다. 이런 결과를 바탕으로 하여 대구경북경제자유구역청의 조직문화 중 집단문화를 향상시킬 수 있는 장기적인 프로그램을 개발해야 할 것이며, 조직몰입도 향상을 위해서는 대구경북경제자유구역청의 직원 인사문제와 경제자유구역청의 위상 약화, 청장의 리더십 부재 등을 해결 할 수 있는 방안을 강구하여야 할 것이다. 마지막으로 본 연구를 진행함에 있어 연구대상이 대구경북경제자유구역청에 집중되어 있어 이런 결과가 다른 지방자치단체조합에도 적용할 수 있겠느냐는 문제와 자료수집과 연구조사의 시간적 제한 등으로 인해 대구광역시청과 경북도청의 사례가 부족한 점, 조직효과성을 측정하는 다양한 변수들을 고려하지 못한 점 등은 아쉽게 생각하며 향후 총괄적인 연구가 이루어질 필요가 있다고 본다.

      • IT서비스산업에서 파트너십 전략과 고객관계 전략이 정보시스템 성과에 미치는 영향

        정종기 韓國外國語大學校 大學院 2014 국내박사

        RANK : 247631

        A Study on the Effects of Partnership and Customer Relationship Strategies on the Performance of Information System in the IT Services Industry This study presents a research model that can be analyzed through theoretical discussion with various existing literatures and preceding researches, and then conduct empirical analysis in order to identify the effects of partnership and customer relationship strategies on the performance of information system in the IT services industry. Based on the presented research model, there are three main research agenda and eight consequence hypotheses and in-depth research model were designed and verified. Three main research agenda are as in the followings. First is the effect of complementarities and participation between IT service providers on the system quality and the effect of the system quality on satisfaction of the system. Second is the effect of communication (information-sharing) and trust between partner companies on system satisfaction. Third is whether the timing of partnership formation the system integrator has an effect on complementarities and participation. Also included in the third agenda is the effect of participation by market-leading system integrators on the system quality. Eight hypotheses and in-depth research model were designed and verified. For an empirical verification of the suggested research model, this study targeted medium to large sized companies in Korea that went through system integration in the past three years and ran a survey on their employees who were directly involved in the project team or procurement process. A total of 5,230 e-mails were sent, of which 217 answers were submitted either by e-mail or post and 106 answers were received by visits or interviews. Among these 323 responses, 317 were found valid and used as a source of analysis. Collected survey answers were analyzed with the statistical package SPSS 18.0 and common method bias was verified to minimize errors that often occur in an empirical study. In other words, this post verification intends to address the possibility of overestimating correlation between variables, distorting the reliance of the data, or common method bias issues. In addition, intensive feasibility analysis, CFA, and EFA analyses were conducted with AMOS 18.0 to verify the reliability and feasibility of the result. Finally, the hypothesis was verified with verification of the measurement model and structural equation model analysis. First, analysis into the effect of partnership’s complementarities on the system quality identified that the more complementary partner’s assets are, the more positive impact they have on the system quality. On the effect of partner participation on the system quality, the more engaging consortium partners and customer are, the more positive impact there is on the system quality. Analysis of the effect of the system quality on system satisfaction level demonstrates higher system quality turns out to have more positive impact on the satisfaction level of the system. Second, analysis into the effect of communication (information-sharing) and trust on system satisfaction in the case of system integrators revealed that the higher level of information-sharing exists between the system integrator and the customer, the more positive impact it has on trust. In additional, the higher trust is bonded between the system integrator and the customer, the more positive impact it has on system satisfaction. Third was verification on the effects of an early consortium formation, complementarities, participation, and market-leading system integrator on the system quality. Study on the effect of an early formation of consortium on complementarities shows that the earlier a consortium between IT service providers is built, the more positive effect it has on the system quality. On the effect of an early consortium formation on participation, it also turned out that the earlier a consortium is built, the higher level of participation with customers becomes. On the effect of participation on the system quality, early formation of a consortium leads to higher level of participation, eventually inducing positive effects on the system quality. When forming a consortium with market-leading system integrators, the study demonstrated such consortium-building had positive effects on the system quality. A further in-depth study of moderating effect analysis demonstrated, in the timing of consortium formation, market-leading system integrator respectively, complementarities and participation had effects on the system quality. The analysis of the moderating effect of the timing of the partnership shows that the correlations between complementarities and the system quality was high in early consortium establishment whereas those between participation and the system quality was high in late consortium establishment, indicating that customers pay more attention to the process of system implementation in case of late consortium formation. As for the moderating effect of partner reputation, the analysis of market-leading system integrator demonstrated a statistically significant correlation between complementarities, the system quality, and system satisfaction whereas non-market leaders showed a statistically significant correlation between participation and the system quality and information-sharing and trust. This led to the conclusion that the latter relatively put more weights on the process. Findings of this study have important implications both for academic researchers and companies’ management and employees. For researchers, the study has following theoretical implications. First, unlike previous studies which were conducted with focus on achievement from long-term strategic alliances, this study was focused on the impact of temporary and relatively short-term partnership and customer relationship strategy, for the first time as a study on IT service industry. Second, this study developed a research model on the impact of channel partnership and customer relationship strategy. Although the model is presented as an extension to the basic level, it is expected the model can serve as a research foundation on which achievements can be approached from various perspectives. As for management and working-level employees of enterprises, this study provides following implications. First, joint projects based on complementariness among IT service providers are more likely to have significantly high potential for success. Given the business nature of IT service industry, sales activities and project execution based on partnership among IT service providers will mostly take similar forms in the same industry. Hence, co-managing best practices of joint projects with high level of complementarities and pursuing projects based on such partnership will lead to higher chances of winning project opportunities, bringing the project to a success, and having a high quality system in the customer site. Second, intimacy in customer relationship and active participation by customers can raise the system quality, ensure the project success, and reduce cost to manage the system. Third, partner designation and management can have business impact only when done in a complementary and long-term perspective. Fourth, active communication (information-sharing) with the customer can have impact on a trust-based business. Fifth, the research model can be of great use when enterprises and government organizations seek to execute system integration, especially when exploring ways to enhance the system quality and satisfaction. As this study is a research on large-sized companies that went through a major project in the past three years, the outcome of this study will have high utilization. This study is meaningful in that it provides specific and effective strategies based on empirical research and analysis how IT service providers should formulate and execute their partnership and customer relationship strategy to improve business results. It is expected the findings of this study be leveraged by many IT service providers both in and outside Korea as a useful decision-making information to set up sales and project execution strategy, significantly contributing to enhancing IT enterprises’ business performance.

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