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Nylon 6 fiber media를 이용한 Biofilter의 VOCs(Toluene)의 제거
김장호,최동훈,김종수,김형호,장봉수 동아대학교 환경문제연구소 2002 硏究報告 Vol.25 No.1
This study was investigated the application and kinetics of biofiltration using cometabolic process to remediate gaseous toluene that are highly recalcitrant to adsoption and biodegradation. Biofiltration was successfully applied to treat amixture of volatile organic compounds(Toluene) from contaminated air stream. Immobilized Ps.oleovorans biofilter was evaluated for its value in simultaneous removal of Toluene from waste air stream. In the loading rate (1,000ppm) and space velocity(1,200hr). the average removal efficiencies of Toluene were 33.7%. and CO2 production rate were 5.28㎎/hr
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김장호 한국직업능력개발원 2004 직업능력개발연구 Vol.7 No.2
오늘날 고도로 네트워크화 된 사회에서 개인, 조직 및 사회 제 차원에 걸쳐 새로운 학습 환경이 조성되고 있고 이는 학습사회 개념에 대한 재조명을 요청하고 있다. '총체적 학습사회'란 기존의 학습사회 개념을 계승하면서도 한계를 극복하려는 개념적 시도이다. 새로운 사회경제 패러다임은 탈산업화, 정보화, 유연생산방식, 지식기반경제, 네트워크조직, 협동적 노사관계 등을 특징으로 한다. 특히 사회경제 패러다임의 변화는 인적자원개발의 새로운 패러다임을 요청한다. 새로운 인적자원개발 패러다임은 수요자가 주도하고 국가와 민간이 협치(cooperative governance)하며, 분권화, 지방화, 능력중심의 인증체제, 현장학습, 계속 교육훈련과 평생학습, 학습자의 자기주도적 학습방식, 지식노동능력, 혁신능력의 배양을 그 특징으로 한다. 총체적 학습사회로 나아가기 위해서는 사회를 구성하는 개개인은 물론 기업조직을 비롯한 각종조직과 정부 차원에서의 입체적인 전략이 필요하다. In today's highly networked society, a new learning environment is created at the individual, organizational and societal levels and this demands us to re-focus on the concept of the learning society. A 'comprehensive learning society' upholds the existing notion of the learning society but also makes a conceptional effort at overcoming its limitations. The new socio-economic paradigm is characterized by de-industrialization, informatization, flexible production system, knowledge-based economy, networked organization, and cooperative labor-management relations, Changes in the socio-economic paradigm demands a new paradigm for human resources development. The new paradigm for human resources development is one that is demand-driven and is characterized by cooperative governance, It should also be epitomized by decentralization, localization, competency-based certification system, workplace learning, continuing education and training and lifelong learning, learner-centered learning method, and fostering of knowledge-labor and innovative capabilities. To realize a comprehensive learning society, multi-dimensional strategies need to be designed not only at the individual level but also at the corporate level as well as various organizational and governmental levels.
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우리나라 여성노동력의 수급구조변화와 기혼 여성의 노동참가
金章鎬 淑明女子大學校 亞細亞女性問題硏究所 1986 아시아여성연구 Vol.25 No.-
This paper has two purposes. The first is to examine the changing patterns of female labor force participation during the past two decades in Korea. The second is to suggest a way of extending neoclassical labor supply decision model to explain the behavior of female labor force participation in Korea. By the early 1970s, an overwhelming majority of the urban female labor force in Korea were the unmarried workers, but the relative weight of the married workers in this sector has gradually increased since the early 1980s and it is expected that this trend will be ,continued in the future. In this respect, it is important to postulate the labor force behavior of married female workers to mobilize this kind of workers in Korea. In order to suggest a model for explaining the labor force behavior of married women workers in Korea, this paper begins with a critical review of basic neoclassical labor supply .decision model. This review pays attention particularly to the role of fixed costs in labor force decision making. Since almost all workers are employed in the paid labor force in most developed countries, labor force participation decision involves two choices; to work or not to work. This two-way choice framework is a common neoclassical method in modeling labor force participation decision behavior. In Korea, however as in many developing countries, more than half of the urban women workers are employed in the urban informal sector. This paper argues that if there exists any difference in fixed costs incurred from labor market participation between the capitalistic formal sector and the informal sector, the labor force participation decision comprises three choices; working as a paid employee in the capitalistic sector, working in the informal sector, or not working at all and this fact should be considered in modeling women's labor force participation behavior in Korea. Finally, this paper mentions a couple of econometric problems in estimating the labor force model based on this three-way choice and also suggests a way of utilizing Korean micro-data set for this kind of empirical study.
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김장호 동아대학교 환경문제연구소 1994 硏究報告 Vol.17 No.1
Packing tower has been used in the chemical industry and the protection of environment for a long time. In the view of environmental protection, purification of exhaust gas can be performanced effective by gas absorption in countercurrent packing tower. In this study, characteristics of hydraulic and mass transfer were investigated in d. 0.3 m × H. 1.4 m packing tower with 50㎜ plastic Hiflow-Ring. Test systems were experimented in conditions of air, air/water, NH₃-air/water, NH₃-air/H₂SO₄ and SO₂-air/NaOH under steady state. The extent of test included dry and wetting pressure drop, physical law, seperation efficiency, and hold-up as function of gas and liquid load.
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