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      • Direct Methanol Systhesis From Methane

        신기석,김상범,박은석,곽윤철,천한진,함현식 한국공업화학회 2002 한국공업화학회 연구논문 초록집 Vol.2002 No.0

        Direct Methanol Synthesis From Methane 신기석•김상범•곽윤철•박은석•천한진•함현식 명지대학교 화학공학과 메탄올은 여러 화학분야에서 그 수요가 계속 증가하고 있는 화학연료중의 하나이다. 그러나 기존의 합성가스에서 제조되는 메탄올은 그 단가가 높고 제조 공정이 복잡하다는 단점을 가지고 있다. 본 연구는 풍부하고 저렴한 천연가스로부터 합성가스를 거치지 않고 바로 메탄올을 합성하기 위한 시도로 추진 되었다. 즉, 메탄의 부분산화반응에 의해서 메탄올을 합성하였다. 이용한 촉매로는, 이 반응에서 반응중간체의 생성을 위한 활성화에너지를 낮추는 것으로 알려진 late transition metals의 혼합산화물을 이용하였다. 각 성분의 몰 비를 변화시키면서 다양한 조합의 촉매를 공침법으로 제조하였으며, 이 촉매들을 이용하여 600 °C, 50bar의 조건에서 촉매의 활성을 조사하여 보았다. 또한 XRD, BET, TPD등의 기기분석을 통한 촉매의 특성을 파악하였다.

      • KCI등재후보

        SG전열관 2차측 이물질 검출 및 특성분석을 위한 ETSS 개발

        신기석,문용식,민경만,Shin, Ki Seok,Moon, Yong Sig,Min, Kyong Mahn 한국압력기기공학회 2011 한국압력기기공학회 논문집 Vol.7 No.3

        The integrity of the SG(Steam Generator) tubes has been challenged by numerous factors such as flaws, operation, atmosphere, inherently degraded materials, loose parts and even human errors. Of the factors, loose parts(or foreign materials) on the secondary side of the tubes can bring about volumetric defects and even leakage from the primary to the secondary side in a short period of time. More serious concerns about the loose parts are their unknown influx path and rapid growth rate of the defects affected by the loose parts. Therefore it is imperative to detect and characterize the foreign materials and the defects. As a part of the measures for loose part detection, TTS(Top of Tubesheet) MRPC(Motorized Rotating Pancake Coils) ECT has been carried out especially to the restricted high probability area of the loose part. However, in the presence of loose parts in the other areas, wide range loose part detection techniques are required. In this study, loose part standard tube was presented as a way to accurately detect and characterize loose part signals. And the SG tube ECT bobbin coil and MRPC ISI(In-service Inspection) data of domestic OPR-1000 and Westinghouse Model F(W_F) were reviewed and consequently, comprehensive loose part detection technique is derived especially by applying bobbin coil signals

      • KCI등재
      • 日本의 高度經濟成長과 官僚制의 役割 : 通産省 官僚制를 中心으로 Toward the Role of MITI Bureaucracy

        辛基碩 동아대학교 부설 사회과학연구소 1986 사회과학논집 Vol.4 No.-

        This Thesis is devoted to an analysis of the high-growth economic policies in the post-war period, with particular respect to the role of the MITI bureaucracy. The developmental-state model of Japan is epitomized by its high degree of plan-rational system. The early period of modernization in Japan since the Meiji Restoration was characterized by government-induced development, in which a distinctly political and powerful bureaucracy played a major role In the post-war period of rapid economic growth, it is the MITI, as the pilot agency, the has played the role of brain power in planning and implementing industrial policies for national development. As a summary this thesis, we may derive the following dominant subjects; 1) creation of Economic Planning Agency 2) drive of heavy and chemical industrialization 3) the late 1950's MITI system of nurturing a new industry 4) the Investigation Council and the Special Measures Law for the Promotion of Designated Industries(Cabinet submission number 151 of 1963)

      • 福祉理念과 福祉國家의 模型分析 : 韓國的 福祉模型의 模索을 위한 試圖 Intending to research the Korean Welfare State

        辛基碩 東亞大學校 1988 東亞論叢 Vol.25 No.1

        Welfare state is widely used, there is no common agreement as to its reference, by some it is reduced to a level of spending, by others it is elevated to a moral principle. On the left it ofter refers to a functional response of late cepitalism designed to promote false cons-ciousness : on the right the welfare state often epitomizes the collectivist threat to individualism. Welfare state attempt to construct a farmwork for aggregating social welfare provision in terms of analytically distinct policy patterns. In this paper, we associate with four state types : the positive state, the social security state, the social welfare state, the democratic corporatist state. (1) the positive state is conceived as a business government partnership whose arm is to secure, with the least possible public intervention, property holders and the operation of a market economy from social and political conflict. (2) The social security state is to guarantee for all citizens a national minimum standard of living above which they are encouraged to rise. (3) The welfare state is an adaptation to the economic and social process and change of an advanced industrial society. It is compensation for the vulerables who pay the prices of progress. (4) The democratic corporatist state is a pragmatic approach to the integratine problems of the political economy of advanced capitalism. Corporatism has been used in a variety of ways to designate the linkages between organized econo-mic interests and the structures and processes of decisionmaking in the modern state. After analysis of each welfare state types, we dealt with the Korean welfare state's policy.

      • KCI등재

        A Study on the Chemical Cleaning Process and Its Qualification Test by Eddy Current Testing

        신기석,천근영,남민우,민경만 한국비파괴검사학회 2013 한국비파괴검사학회지 Vol.33 No.6

        Steam Generator(SG) tube, as a barrier isolating the primary coolant system from the secondary side of nuclear power plants(NPP), must maintain the structural integrity for the public safety and their efficient power generation. So, SG tubes are subject to the periodic examination and the repairs if needed so that any defective tubes are not in service. Recently, corrosion related degradations were detected in the tubes of the domestic OPR-1000 NPP, as a form of axially oriented outer diameter stress corrosion cracking(ODSCC). According to the studies on the factors causing the heat fouling as well as developing corrosion cracking, densely scaled deposits on the secondary side of the SG tubes are mainly known to be problematic causing the adverse impacts against the soundness of the SG tubes[1]. Therefore, the processes of various cleaning methods efficiently to dissolve and remove the deposits have been applied as well as it is imperative to maintain the structural integrity of the tubes after exposing to the cleaning agent. So qualification test(QT) should be carried out to assess the perfection of the chemical cleaning and QT is to apply the processes and to do ECT. In this paper, the chemical cleaning processes to dissolve and remove the scaled deposits are introduced and results of ECT on the artificial crack specimens to determine the effectiveness of those processes are represented.

      • 韓國의 傳統的 行政文化에 대한 硏究 : 儒敎文化가 미친 영향을 中心으로 toward the Influence of Confucian Culture on the Korean Traditional Administrative Culture

        辛基碩 동아대학교 부설 사회과학연구소 1985 사회과학논집 Vol.3 No.-

        This study assumes that the sociopsychological heritage of administrative culture conditions Korean administrator's values, ideals, norms, belief system, and behavior. The Korean political and administrative culture have been modeled by historic resides of the heritage of Confucianism, Buddhism, Taoism, and by a high degree of ethnic homogeneity that, evidently, dispositions most Koreans, especially the masses, to a submissive authoritarian administrative psychology the masses, to a submissive authoritarian administrative psychology that trend to legitimize the moral authority of the upper strata. We contend that the Korean administrative psychology is based on the hypothetical existence of authoritarian submissive values in both the Korean elites and masses. Korean bureaucracy bears the traditional stamp of Korean administrative psychology in its assumptions and its policy applications which are consistent with the traditional values of Koreans. Here I intend to analyze the nature of the "Korean administrator's mind" by a psychocultural approach. This approach makes use of terms administrative culture. Confucianism, the actual state ideology of traditional Korean government-particularly deering the Yi Dynasty(1392-1910)-strongly favored state intervention in political administrative development. Confucianism, was the single greatest influence on the Korean administrative culture and provided the view of the universe in which Korean society and politics operated. The formalities of early Korean bureaucracy were based on Chinese Confucian models. Confucianism offered an ideological/cultural rationale for a centralized bureaucracy and an elitist intellectual political conservatism. Therefore, Confucianism became the official creed of the government. Korean political and administrative psychology shaped by Confucian tradition can be characterized as a hierarchical view of political life-authoritarianism on the part of the ruling class and a corresponding subordination on the part of the ruled. Hierarchical subordination is the heart of Confucian politics. The vertical order preserved the good society which meant a harmonious, universal, and uninterrupted society. As a Summary from our Korean administrative culture analysis, we may derive the following dominant variables; 1) familism 2) power oriented 3) legalism 4) organizational structure 5) anti-materialism In this study we emphasize the importance of behavioral and value patterns rather than struciural aspects in evaluating the capacity of the bureaucracy. In other words, we assume that organizational effectiveness depends ultimately on the behavior of its personnel A "value system" approach provides meaningful insights as to why bureaucracies do or do not function as intended in developing countries.

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