• Title/Summary/Keyword: need and demand

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Carbody basic design for rubber tired AGT (고무차륜 경량전철의 차체 기본설계)

  • 이호용;홍재성;정종덕;이관섭
    • Journal of the Korean Society for Railway
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    • v.3 no.3
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    • pp.161-169
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    • 2000
  • AGT(Automated Guide-way Transit System) was introduced to satisfy the every increasing need for improved urban transportation. The AGT system is classified as medium distance and demand capacity mass transit being introduced for such area with inadequate passenger demand for railway construction but excessive demand for bus service. To decrease initial investment cost it is important that we have to secure the technology system of Light Rail Transit for Korea environment. By utilizing the finite element analysis, the result in this paper is enough to satisfy the strength whish is required. Also for the purpose of safety, it is decided the thickness and frame structure of the undeframe section through the analysis. It is known that carbody is no problem for required design conditions.

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A Study on Train Frequency of Intercity Rail Station (지역간 철도역의 정차횟수 산정에 관한 연구)

  • Kim, Kyoung-Tae;Moon, Dae-Seop;Lee, Jin-Sun;Park, Bum-Hwan;Lee, Suk
    • Proceedings of the KSR Conference
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    • 2007.05a
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    • pp.1890-1901
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    • 2007
  • This paper explored train frequency of intercity rail station. Main factors to decide train frequency are location of station, social-economic index and land use of station area and travel demand. In this paper, we focused on travel demand which is critical factor to decide train frequency. Tests on a KTX case show that train frequency can be efficiently decreased in weekday to transport same demand. The work has shown many subjects that need further research. It is important to include various factors influencing on train frequency decision.

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Overseas Research and Development Activities of Korean ICT enterprises in Emerging Countries

  • Seo, Jeongseon
    • STI Policy Review
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    • v.3 no.2
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    • pp.79-91
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    • 2012
  • With the globalisation of the world's economies and the increasing role of multinational corporations in the generation of knowledge, global research and development (R&D) activities in emerging countries are following a new trend. This paper describes case studies of two large companies and discussion of the motives (demand vs. supply) and tasks (demand-driven vs. supply-driven) of R&D activities outside their home country. This work is based on an analysis of four overseas R&D units of two Korean ICT companies - here, ICT refers to goods and services in the information technology and communication technology fields - in India and China. The research findings are as follows: (1) The overseas R&D activities of Korean ICT enterprises in emerging countries may be driven by a combination of demand and supply factors of host countries; and (2) Korean overseas R&D centres in emerging countries may need to carry out both demand- and supply-driven tasks in view of the overlap between demand and supply factors of the host countries. Based on the results of this research, the following policy implications can be drawn for encouraging more effective overseas R&D activities of Korean enterprises in emerging countries. First, the government needs to expand the support systems so that enterprises can manage local R&D centres more effectively and actively use the variety of local support systems and useful information. Second, the government needs to expand the support systems so that the overseas R&D centres of Korean enterprises revitalise collaborations with locally excellent universities and research institutions.

A Study of Activities and Demand on Welfare Nursing in Korea (사회복지분야의 간호활동실태 및 간호수요에 관한 연구)

  • Kim, Young-Im
    • Research in Community and Public Health Nursing
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    • v.7 no.2
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    • pp.203-215
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    • 1996
  • Social security is concerned with ensuring all citizens maintain basic needs, community health nursing maintains and promotes health for all community members. Lately, This new area of community health nursing, concern social welfare has increased. The objectives of this study are, first, to analysis the activities of nurses at community social welfare institutes, second, to estimate nursing demand for social welfare areas. The study methods used were as literature review, an analysis of statistical data and case study etc. The analytical framework also included a demand analysis of nursing manpower in community social welfare areas. The major results are as follows; 1. Employees which work at social welfare institutes number 55,464, nursing manpower (including nurse aids) number 1,458 and this is 3% of the total employees. Within nursing manpower, nurses number 780, nurse aids number 670. 2. The rates of nurses among total employees were high in institutes for mental disorders and institutes for the age. 3. The salary level of nurses was lower than average and the rates of retirement showed a roughly middle level in welfare institutes. 4. The satisfaction level of nursing services was high, and it is the trend that nurses substitute for nurse aids which retire at social welfare institutes. 5. Nurse demand that follows legal criteria is 2,221, but only 35% are working. It is therefore insufficient from the minimum of 733 to a maximum 1433. 6. The sufficiency rates by institution were high at institutes for vagrants, aged and the handicapped. In conclusion, the conditions are of nurses which are working in with the social welfare institutes are poor. Also the number of nurses compared rates of demand were in surplus. But, the basic direction of welfare policy is universal-preventive and provision of the family and of community centered service, and nursing service demand in the social welfare institute will increase continuously, we predict. Therefore, we will need a positive plan such as the development of an inservice education program and the construction of an information collection system etc.

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Policy Direction in Responses to Demand for Apartment Remodeling (공동주택 리모델링 수요에 대응한 정책 추진방안)

  • Lee, Yeo-Kyung;Kim, Eun-Hee
    • Journal of the Architectural Institute of Korea Planning & Design
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    • v.36 no.1
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    • pp.125-136
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    • 2020
  • This study aims to seek a proper policy direction in response to the demand for apartment remodeling. As the research methods, we diagnosed the current status of the remodeling policy and analyzed the demand for apartment remodeling nationwide. According to the result of analysis, we suggested the fundamental direction and tasks for remodeling policies to be pursued at the government level. The results of the study are summarized as follows. First, the result of analysis showed that the demand for environmental improvement(performance improvement) remodeling project was much higher than other types of remodeling projects. The percentage of unit increased-type remodeling that can secure business feasibility is about 10% and only 30% when it comes to reducing project costs. The remaining 70-90% need to be promoted in environmental improvement remodeling projects which dependent on the residents' payment. Second, in order to prepare a policy action plan in response to the demand for apartment remodeling, it is necessary to set up clear policy goals and strategies for apartment remodeling in advance at the national level. Along with proactive goals and strategies, graded policy support should be accompanied per type of remodeling and business demand. We also suggest to simplify administrative procedures and support the R&D research to develop technologies. It would help to utilize the unit increased-type remodeling. On the other hand, for utilizing the environmental improvement remodeling which takes up a relatively high proportion, the policy should take care of as follows: offering housing performance information, rationalizing long term repair reserve, fostering small companies and experts. Finally, apartment management system should be advanced from the perspectives of managing old apartments and institutional foundations such as new construction and customized regulations for differentiated remodeling should be accompanied.

Development of Data Visualized Web System for Virtual Power Forecasting based on Open Sources based Location Services using Deep Learning (오픈소스 기반 지도 서비스를 이용한 딥러닝 실시간 가상 전력수요 예측 가시화 웹 시스템)

  • Lee, JeongHwi;Kim, Dong Keun
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.25 no.8
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    • pp.1005-1012
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    • 2021
  • Recently, the use of various location-based services-based location information systems using maps on the web has been expanding, and there is a need for a monitoring system that can check power demand in real time as an alternative to energy saving. In this study, we developed a deep learning real-time virtual power demand prediction web system using open source-based mapping service to analyze and predict the characteristics of power demand data using deep learning. In particular, the proposed system uses the LSTM(Long Short-Term Memory) deep learning model to enable power demand and predictive analysis locally, and provides visualization of analyzed information. Future proposed systems will not only be utilized to identify and analyze the supply and demand and forecast status of energy by region, but also apply to other industrial energies.

Relationship between Academic Burnout of Medical and Graduate Students and Related Variables (의과대학·의학전문대학원생의 학업소진 양상과 관련 변인들과의 관계)

  • Chun, Kyung Hee
    • Korean Medical Education Review
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    • v.16 no.2
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    • pp.77-87
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    • 2014
  • The purpose of this study was to investigate the influence of demographic data, academic demand, perfectionism, and academic failure tolerance on academic burnout of medical and graduate students at Yeungnam University. A mixed method study was conducted. Fourteen students participated in a focus group interview and 302 students, including 151 medical students and 151 graduate students, completed a survey, which addressed the factors of academic burnout, academic demand, perfectionism, and academic failure tolerance. There were significant differences in the academic burnout by age and year in school. The 2nd year medical & graduate students experienced significantly higher academic burnout than the other students. Multiple regression analysis revealed that academic burnout of medical and graduate students was significantly affected by academic demand (p<0.001), self-oriented and socially-prescribed perfectionism (p<0.001, p<0.01), and feeling and behavior, which were sub-factors of academic failure tolerance (p<0.05, p<0.01). It is suggested that comparative studies with other student groups, a longitudinal study of medical and graduate students, and a prospective study of coping styles and methods of preventing academic burnout need to be conducted.

Survey of Demand for Medical Devices in Korean Medicine (한방의료기기 개발 수요에 대한 조사연구)

  • Kim, Ji Hye;Kim, Keun Ho;Kim, Jaeuk U.
    • The Journal of Korean Medicine
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    • v.35 no.3
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    • pp.103-115
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    • 2014
  • Objectives: The purpose of this survey was to investigate the need for new medical devices based on opinions of members of the Korean medical society. Methods: We distributed two independent questionnaires sequentially over two-week intervals to 16,510 doctors via the Korean Medical Society, and received replies from 888 and 928 doctors, respectively. The survey was carried out through a web-based questionnaire system. The first questionnaire focused on demand for new diagnostic and therapeutic medical devices that are specific for Korean medicine (KM). In contrast, the second questionnaire focused on demand for new hybrid medical devices which are useful both in Western medicine (WM) and KM. Results: In purchase intention of Korean medical devices (KMDs), demand for diagnostic devices was greater than for therapeutic ones. Among diagnostic devices, the purchase intention of 'imaging devices' ranked the highest and was followed by 'musculoskeletal diagnostic devices'. Among therapeutic KMDs, the purchase intention of 'musculoskeletal treatment devices' ranked the highest, followed by 'cranial nerve rehabilitation devices'. In the purchase intention of hybrid medical devices that can be used both in WM and KM, 'ultrasonic-based medical device' ranked the highest, followed by 'MRI-based medical device'. Conclusions: There is increasing demand for clinically useful medical devices among Korean medical doctors. Within demand for new devices, hybrid devices that can be used in both WM and KM were most strongly desired. This survey will be useful in establishing strategic plans for the development of medical devices in KM. Keywords: Korean medicine, medical device, demand survey, questionnaire.

Greedy Technique for Smart Grid Demand Response Systems (스마트 그리드 수요반응 시스템을 위한 그리디 스케줄링 기법)

  • Park, Laihyuk;Eom, Jaehyeon;Kim, Joongheon;Cho, Sungrae
    • KEPCO Journal on Electric Power and Energy
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    • v.2 no.3
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    • pp.391-395
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    • 2016
  • In the last few decades, global electricity consumption has dramatically increased and has become drastically fluctuating and uncertain causing blackout. Due to the unexpected peak electricity demand, we need significant electricity supply. The solutions to these problems are smart grid system which is envisioned as future power system. Smart grid system can reduce electricity peak demand and induce effective electricity consumption through various price policies, demand response (DR) control methodologies, and state-of-the-art smart equipments in order to optimize electricity resource usage in an intelligent fashion. Demand response (DR) is one of the key technologies to enable smart grid. In this paper, we propose greedy technique for demand response smart grid system. The proposed scheme focuses on minimizing electricity bills, preventing system blackout and sacrificing user convenience.

Knowledge, Using Attitude and Education Demand of Analgesics on Hospitalized children's Mothers (입원아동 어머니의 진통제 지식과 사용태도 및 교육요구)

  • Oh, Jin-A;Kim, Hye-Jin;Kim, Kyung-Mi;Kwon, Jin-Young
    • Korean Parent-Child Health Journal
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    • v.12 no.2
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    • pp.177-187
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    • 2009
  • Purpose: Mothers are primary care taker for hospitalized children and they have an important role for the management of children's pain. This study was purposed to provide basic data needed in constructing the educational contents about pain management for the hospitalized children. Method: The research subjects were 165 mothers of children hospitalized at a general hospital in Busan. The questionnaire were composed of knowledge of, using attitude toward and education demand on analgesics. The data were collected from August 1 to September 30, 2009. Data were analyzed by SPSS 17.0 program. Results: The overall mean score of correct answers on knowledge about analgesics was 26.9% and using attitude toward analgesics was $25.55{\pm}4.03$. And demand of education was $3.98{\pm}0.66$. Conclusions: The level of mothers' knowledge about analgesics was very low and using attitude toward analgesics was passive. The hospitalized children's mothers need more knowledge and liberalness attitude toward analgesics. And various and sufficient educational program about analgesics and pain management for hospitalized children's mothers can be contribute to improve the quality of life of them.

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