• Title/Summary/Keyword: actual environment

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The Development of Emission Factors of Greenhouse Gas from Middle and Small-Scaled RPF Incineration Facility by Concentration Measurement and Fuel Composition (농도실측 및 연료 성분조성에 의한 중소형 RPF 소각시설의 온실가스 배출계수 개발)

  • Na, Kyung-Ho;Song, Il-Seok;Choi, Si-Lim;Yoo, Jae-In;Park, Ik-Beom;Kim, Jin-Gil
    • Journal of Korean Society for Atmospheric Environment
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    • v.28 no.4
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    • pp.423-434
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    • 2012
  • This study was carried out to develop for the emission factor of greenhouse gas (GHG) from medium and smallscaled incineration facility using RPF which is considering as a part of renewable energy in UNFCC. The actual concentration of the exhaust gas and the fuel composition of RPF were measured for the calculation of GHG emission factor in RPF incinerators, and were compared with the IPCC guideline. The $CO_2$ and $N_2O$ emission factors by the actual concentration of exhaust gas were $2.3575{\pm}1.0070tCO_2/tRPF$ and $0.0014{\pm}0.0014tN_2O/tRPF$ respectively. Also, $CO_2$ emission factor by the RPF composition was $2.7057{\pm}0.0540tCO_2/tRPF$. The GHG emission factor per energy by the actual concentration was $83.0867{\pm}26.0346tCO_2e/TJ$ which showed higher consistency with the GHG emission factor ($80.3967tCO_2e/TJ$) of waste plastic in the IPCC guideline (2006b). The $CO_2$ and $N_2O$ emission factor calculated in this study is considered as a meaningful data for GHG emission factor of RPF incineration facility because of not being developed in ROK.

A study on the actual conditions of residing environment in children's room and it's utilization - A study on Children's Space from a Welfare viewpoint ( I ) - (아동실의 주거 환경 및 이용에 대한 실태 - 시설복지적 측면에서 본 아동공간에 관한 연구 ( I ) -)

  • 박인전
    • Journal of the Korean housing association
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    • v.5 no.1
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    • pp.29-45
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    • 1994
  • The purpose of this study are to investigate the actual conditions of residing environment in children's room and it's utilization. Further, basic for the guidence and the effective preparation of children's room and children's residing environment in addition willbe produce through grasping the actual conditions of them.The subjects of this study were 214 5th grade elementary school children living in Taegu. The analysis of the data was done through SPSS pc programs.The major findings of this study can be summarized as follow;1. The greater part of children had their own room, and they had the desk, the book case and the clothes chest in their room. But the numbers of children with the bed were few in comparison to those. And a large number of children wanted to have the bed and the computer in their room.2. There were significant differences in the actual conditions of residing environcent in children’s room according to the independent variables. For example, the existence of children's room was variable according to farther's job(0.1% level).3. The case of having their own room in the period of the lower grades in elemtary school dccupied the highest percentage. A lage number of children passed away time mostly in the women'a guarters. In the cleaner of children's room, the case of doing themselves occupied the highest rate as 51 percent.4. There were significant differences in the actual conditions of utilization in children's room according to the independent variables. For example, the period of separation from their parents was variable according to mother's educational level(5%), father's job(0.1%)and the numbers of room(1%).

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A Study of Effectiveness on Military Training of Army Anti-aircraft Weapon using Virtual Reality (가상현실을 이용한 육군 대공무기 교육효과에 관한 연구)

  • Kim, Do-heon;Min, Seung-hee;Kim, Yeek-hyun
    • The Journal of the Korea Contents Association
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    • v.21 no.5
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    • pp.499-507
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    • 2021
  • This study compares the educational effect using real equipment, virtual reality, and video to improve the educational and training effect of the army and verifies which method of education is excellent. The Army has made a lot of efforts to realize the actual training environment, however, it is increasingly difficult to provide the actual training environment because of 1) restrictions on securing training sites and urbanization, 2) deepening conflicts with the people, and 3) difficulties in acquiring defense budget. To resolve these issues, the use of virtual reality(VR) has the advantage to experience actual battlefield indirectly and could save budget by training in a virtual battlefield environment. In particular, in the case of dangerous or expensive weapons systems, is further required. Hence this paper studies how effective virtual reality is compared to the actual weapons system. virtual reality(VR) education is less effective than actual equipment education, but it is higher than video education. Based on this research result, it will be used as a basic data for the analysis of educational effects based in virtual reality(VR).

A Study on Investment of Korean Enterprises in China (한국기업의 중국투자 실태에 관한 연구)

  • Park, Tae-Suk;Kim, Hee-Jun
    • International Commerce and Information Review
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    • v.10 no.1
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    • pp.375-393
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    • 2008
  • The purpose of this study is to investigate the Chinese investment environment and analyze the actual investment condition of Korean enterprises in China and examine the points at issue. In general, the investment environment in China shows satisfactory progress. China has a multiple and regional extension policy in investment. And the environment for investment changes to insufficiency of company profit, extension of service market, maintenance of legislative system, and insufficiency of preference about foreign company. There are situations of inclining to manufacturing, inclining of region, preference of independence investment, small-sized investment by small and medium enterprises, difficulty of financial assistance, excess of logistic cost, delay of logistic term, difficulty of settlement of legal dispute and difficulty of taking a relative information in investment of Korean enterprise in China. The results of the study indicate mostly that the investment of Korean enterprise into China needs turnover of service trade-tertiary industry, portfolio of investment territory, cooperation with Chinese enterprise through joint venture investment and a large-scale investment for extension of Chinese domestic market.

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A Study on the Students' Housing Plan according to the Analysis of Residential Choice Elements and Interior Environment Satisfactions -Focused on the Students' Housing around Samcheok National University- (주거선택요소와 실내환경만족도 분석에 따른 대학생 원룸 주거평면의 개선방안에 관한 연구 -삼척대학교 주변의 학생주거를 중심으로-)

  • 최장순
    • Journal of the Korean housing association
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    • v.15 no.1
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    • pp.103-112
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    • 2004
  • The object of this study is to offer a basic reference for improving students' housing into a desirable living environments at small-sized local city. To do so, this study is to analyze residential choice elements and interior environment satisfaction of students around Samcheok national university at user's point. Trough the field survey and questionnaire about students' housing, the student's residential environment is almost composed of one room type of multifamily housing. But students' housing of this type is insufficient to the housing level which they demand. To obtain the real features as theirs housing, the development of the plan type to reflect the their actual demand is necessary. The results of this study can be applied to the actual design of hiring students' housing.

Sustainable Project for Preserving a Living Environment in Tochio through Collaboration with Students and Inhabitants in Japan (일본 토치오 거주환경 보전을 위해 학생과 거주자의 협업을 통한 지속가능 프로젝트)

  • Nishimura, Shin-ya;Boda, Satoshi;Terada, Shinji;Sakurai, Noriko
    • Journal of the Korean housing association
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    • v.26 no.6
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    • pp.17-25
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    • 2015
  • Since 1997, Dr. Shin-ya Nishimura has been developing an actual town planning project named the "Gangi Project". Students, inhabitants and local professionals walk around Omotemachi, examine the characteristics of the environment and the inhabitants' way of life, discuss plans and designs for traditional wooden arcades called locally "gangi". Students and inhabitants build the gangi together every year. The purpose of this study is to clarify how an experimental project aiming to preserve a living environment obtains sustainability as an actual town planning exercise. The research hypothesizes that sustainable town planning should include strategies for financial autonomy, active participation of inhabitants, supports from local professionals, an acceptance of changing environments, and responsible construction. The project has been carried out as a part of actual town planning, and continues to create a daily living environment based on the recent economical and industrial situation of the town. By focusing on the influences of the project on the town and inhabitants, the study has revealed the possibility of an actual town planning with small budget, and importance of a collaborative relationship with various participants in order to foster a sense of responsibility regarding the construction. The project also highlights the implication that sustainable town planning creates not only a participatory system but also a collaborative one in which participants take responsibility for the issues involved in the construction process.

A Study on the Actual Conditions of Lifelong Education Facilities in University -Focused on National University of Industry- (대학 내 평생교육시설의 실태에 관한 연구 -국립산업대학교를 중심으로-)

  • Yang, Kum-suek
    • The Journal of Sustainable Design and Educational Environment Research
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    • v.5 no.1
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    • pp.1-10
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    • 2006
  • The purpose of this study is to clarify the actual conditions of the use and the plan of lifelong education facilities in national university of industry. This article discuses about the basic characteristics of the plan composition and the education programs of 8 lifelong education facilities in national university of industry. The results of this study are summarized as follows; 1) Needed spaces should functionally designed considering that basic and culture lecture, occupation skill and expert education, hobby/amusement/leisure, health/sanitation/sports, tradition culture understanding education among education programs of lifelong education facilities in universities are mainly constituted and occupation skill and expert education among theses are occupied with the most ratio. 2) Expansion of facilities is agent considering the number of students and lectures to be 3.0% from 1.7% of average ratio of continuous dimensions lifelong education facilities of each universities and composition following scale of the lecture room is set by organizing the number of students per lecture to small groups.

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Experimental Study of Load Characteristics of Buried and Exposed Large-Diameter Pipelines Using Fiber-Optic Strain Sensor

  • Chung, Joseph Chul;Lee, Michael Myung-Sub;Kang, Sung Ho
    • Journal of Ocean Engineering and Technology
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    • v.34 no.3
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    • pp.194-201
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    • 2020
  • In this study, an optical-fiber sensor was used to measure loads that could act in an environment similar to the loading conditions that exist in an actual pipe. The structure and the installation method of the optical-fiber strain sensor were applied considering the actual large pipe and the buried pipe environment. Load tests were performed using a displacement sensor and sandbags to determine the deflection of the pipe according to the external load, and the linear measurement results were verified. Considering the conditions that could exist in the actual pipe, the test method was presented, and the strain of the buried pipe generated at this time was measured.

Studies on the Treatment of Photographic Wastewater by Electrowinning and Electrorefining of Silver (은의 전해채취 및 전해정련을 통한 사진폐액의 처리에 관한 연구)

  • Chung, Won-Ju;Kim, Dong-Su;Lee, Hwa-Young
    • Journal of Korean Society on Water Environment
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    • v.22 no.4
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    • pp.658-665
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    • 2006
  • The removal characteristics of silver ion from waste photographic solution have been investigated by recovering silver electrochemically. Cyclic voltammetry for synthetic and actual wastewater which containing silver ion was investigated to understand its electrochemical behavior. For both synthetic and actual wastewater, the recovery of silver according to the electrowinning time was observed to be increased as the applied potential was raised. In addition, the applicable potential for the electrowinning of silver was found to be lower for synthetic wastewater compared with actual wastewater. As the temperature was increased, more silver was recovered for both wastewater, which indicated the electrowinning reaction was endothermic. The electrowinned silver was refined electrochemically to increase its purity and the variation of the purity of silver was examined according to the electrorefining potential.

A Case Study on Developing the Virtual Safety Driving System for Training (가상 안전운전 체험교육)

  • 기재석
    • Proceedings of the Safety Management and Science Conference
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    • 2002.11a
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    • pp.171-177
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    • 2002
  • In the real environment, it is very limited for the trainees to participate the effective training using actual training equipments by themselves and also to simulate several hazard situations for safety because of the direct exposure to the hazards of the actual system. But the virtual environment(VE) can help the trainees to get the effective training participating by themselves and to simulate all kind of possible situation without the exposure to the hazards of the actual system. In this paper, the new idea is proposed for developing the virtual driving system to provide a realistic driving experience for safety driving. The proposed idea contains the contents of a virtual driving system.

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