• Title/Summary/Keyword: reduction strategies

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Analysis of Reduction Strategies for Air Pollutants Discharged from Emission Sources and their Impact on the Seoul Metropolitan Area

  • Lee, Woo-Keun;SunWoo, Young
    • Asian Journal of Atmospheric Environment
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    • v.1 no.1
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    • pp.14-18
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    • 2007
  • The Korean government enacted the "Special Law for Improving Air Quality of Metropolitan Area" in 2003. According to this plan, Korean government plan to lower the concentrations of $PM_{10}$ and $NO_x$ to $40{\mu}g/m^3$ and 22 ppb, respectively, by 2014. In this study, we analyze emission reduction strategies to lower their concentration. Emission reduction for the supply of mass energy and regenerative energy are compared with several scenarios. According to the results, 713 t/y of $NO_x$ and 165 t/y of $PM_{10}$ will be reduced by enhancing the number of households supplied by local heating and air conditioning. And also 5 t/y of $PM_{10}$ and 312 t/y of $NO_x$ will be reduced by replacing conventional energy with solar energy by 2014.

Characteristics of Cost Reduction Strategies at Pre-Construction Stages - Focused on Best Practice Cases - (시공이전단계 원가절감 전략의 특징에 관한 연구 - 모범적 성공사례를 중심으로 -)

  • Jung Hui-Ok;Kim Han-Soo
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • 2004.11a
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    • pp.616-619
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    • 2004
  • The term 'cost reduction' often carries a negative image in a sense of sacrifice of other management elements such as qualify, safety, client satisfaction, etc. However creative cost reduction approaches can achieve not only cost reduction itself but also value for money. The objective of this paper is to identify and discuss major characteristics of creative cost reduction strategies from best practice cases of Constructing Excellence.

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IT Manufacturing Companies' Strategies and Performance for Overseas Expansion to Vietnam (IT제조기업의 베트남 진출 전략 및 성과에 관한 연구)

  • Yun, Haejung;Chang, Changwhan;Lee, Choong C.
    • Journal of Information Technology Services
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    • v.16 no.3
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    • pp.1-15
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    • 2017
  • This study is aimed to find out which factors among firm-specific resources, industry-based competition, and institutional conditions affect strategies for Korean IT manufacturing companies when they expand their business overseas, especially to Vietnam in this study. Also, it attempts to reveal which strategies among cost reduction, mass production, and localization affect performance of overseas expansion. Based on Strategy Tripod Theory as an integrating point-of-view embracing resource-based view, industry-based view, and institution-based view, research model was developed and tested through the survey of 83 Korean IT manufacturing companies expanded their business to Vietnam. Research findings show that (1) communication competency, industry competitiveness, industry attractiveness, and regulation of partner country affect cost reduction strategy. (2) International experience, communication competency, international orientation, and competitiveness is significantly associated with mass production strategy. (3) And international experience, communication competency, and industry competitiveness affect localization. (4) Ultimately, mass production strategy and localization strategy significantly increase performance of expansion to Vietnam. The theoretical contribution of this study is to adopt an integrative approach based on strategy tripod theory. As practical implications, it suggests factors and strategies that IT manufacturing companies interested in expansion to Vietnam should consider. In sum, we believe this study can contribute to Korean IT manufacturing industry by suggesting key success factors and appropriate strategies for overseas expansion.

Cluster Reduction by Korean EFL Students: Insertion vs. Deletion Strategies (한국 EFL 학생들의 자음군 축약: 삽입 대 탈락 전략)

  • Cho Mi-Hui
    • The Journal of the Korea Contents Association
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    • v.6 no.1
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    • pp.80-84
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    • 2006
  • Motivated by the fact that cluster reduction strategies such as inserting a vowel or deleting a consonant in resolving English complex clusters differ depending on studies, this paper investigates the repair strategies employed by Korean EFL students. A total of 60 college students participated in the present study and the participants' production of English voiceless word-initial and word-final clusters was measured using the materials designed for this study. It has been shown that prosodic positions such as onset and coda and the number of cluster sequences influenced cluster reduction strategies. The error rates of both insertion and deletion were noticeably higher in the coda position than in the onset position and both insertion and deletion error rates were higher in triconsonatal cluster than in biconsonantal cluster sequences. Overall, the insertion rate was higher than the deletion rate. However, the deletion rate was significantly higher than the insertion rate in triconsonantal coda cluster sequences. Because of this, the deletion rate was higher than the insertion rate for triconsonantal cluster sequences across onset and coda. Also, the high deletion rate of triconsonantal coda clusters contributed to the high deletion rate for the coda clusters in general.

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Evaluation of Mobile Emissions Reduction Strategies Using Travel Demand Model and Analytic Hierarchy Process (교통수요모형과 의사결정모형을 이용한 자동차 배출저감정책 평가)

  • Lee, Kyu Jin;Park, Kwan Hwee;Shim, Sang Woo;Choi, Keechoo
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.35 no.5
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    • pp.1123-1133
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    • 2015
  • This study proposed an evaluation method of mobile emissions reduction strategies for air quality management. The proposed method was considered Travel Demand Model (TDM) and Analytic Hierarchy Process (AHP), while an existing method was focused on quantitative factors. AHP of the evaluation indices of mobile emissions reduction strategies show that quantitative evaluation indices such as air pollutants and greenhouse gas reduction are more important than the political evaluation indices (Consistency with an upper plan, Policy applicability, Technical applicability and feasibility) and each weight of air pollutants and greenhouse gas reduction are found to be 0.373 and 0.218. The early scrapping policy of decrepit diesel vehicle is the best policy in the proposal method using TDM and AHP but this result differs from evaluated result by TDM or AHP respectively. These results are limited to the basic assumption and range of reduction scenarios but are expected to contribute to establish more reasonable and effective mobile emission reduction strategies.

Health Psdromotion Strategies under Regional Health Planning (보건소의 건강증진사업과 지역보건의료계획)

  • 이규식
    • Health Policy and Management
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    • v.7 no.1
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    • pp.1-31
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    • 1997
  • In many people's minds, health promotion is simply a more modern term covering roughly the same field as disease prevention or life style related reduction of the risk factors of chronic disease. A review of the modern literature of health promotion make it clear that there is more to this term than what is involved in functioning as a synonym for disease prevention. Therefore, in order to reach a clear understanding of what health promotion is, this study suggest the concept of the health balance model. Health balance is represented in terms of an equilibrium between physical, social, and life-style-related health challenges on the one hand and health potential on the other hand. Thus, health promotion strategies encompasses both the reduction of health challenges and the strengthening of health potential. Many elements of reducing health challenge are mainly related to the regulation laws. Aspects of strengthening of health potential are related to activities of health center. Therefore, health promotion strategies at a community level should be included in regional health planning which is implemented by health center.

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Polices Trends for Countermeasure Climate Change in Transportation of Major Countries (주요국가의 교통부문 기후변화협약 대응 정책 동향)

  • Kim, Yong-Ki;Lee, Jae-Young;Lee, Cheul-Kyu;Rhee, Young-Ho
    • Proceedings of the KSR Conference
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    • 2011.05a
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    • pp.515-520
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    • 2011
  • The Climate Change has been emerged as one of the most important social and economic issues and is affecting our daily life. The Post-Kyoto Protocol aims to reduce GHG(Greenhouse Gas) emission and mitigate climate change. Under this protocol, developed countries which are classified as Annex I implements programmes and strategies confronting against the climate change. South Korea has set voluntary GHG reduction goal of 30% reduction compared to BAU(Business As Usual) in 2020 and prepares National GHG inventory system and Negotiated Agreements(NA) with industries. It will affect seriously to industry and transport sector and its obligation to reduce GHG emission will be strengthened gradually. Therefore, there will be large impact on industry structure. In Korea, various strategies against climate change are being prepared as researches of development of GHG emission reduction technologies and integrated GHG emission management system in transport sector. In this study, strategy on climate change in transport sector is proposed by being based on developed countries' respond to climate change in transport sector.

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Air Pollution Reduction Strategies of World Major Ports

  • Han, Chul-Hwan
    • THE INTERNATIONAL COMMERCE & LAW REVIEW
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    • v.48
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    • pp.27-56
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    • 2010
  • Pollution emissions from international shipping and port activities have a significant impact on public health and global climate changes. The purpose of this paper is to review the status of pollution mitigation measures implemented to date in port industry and find out some implications for Korean ports. For this aim, the clean air strategies of the world major ports including six USA ports (Los Angeles/Long Beach, Now York/New Jersey, and Seattle and Tacoma), two European ports (Rotterdam and Gothenburg) and Busan Port were considered. Various measures to reduce emission from ports are evaluated by sectors-ocean going vessels, cargo handling equipments, truck and rail-, on the basis of categories such as reduction control technologies, operational changes and market-based measures. The policy implications of this paper are as follows. First, Clean Air Act Plans of Korean ports are required as soon as possible. Second, integrated approach is required to reduce emission effectively. Finally, the effect of port-related emission reduction can be maximized when various measures are conducted on a regional basis including neighboring ports. Furthermore, regional or global-based approach is useful to guarantee the level playing field among ports.

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Towards water-efficient food systems: assessing the impact of dietary change and food waste reduction on water footprint in Korea

  • Qudus Adeyi;Bashir Adelodun;Golden Odey;Kyung Sook Choi
    • Proceedings of the Korea Water Resources Association Conference
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    • 2023.05a
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    • pp.184-184
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    • 2023
  • Globally, agriculture is one of the largest consumers and polluters of water resources, contributing to the unsustainable use of limited water resources. To reduce the resource use and environmental footprints associated with current and future food systems, researchers and policy makers have recommended the transition to sustainable and healthier diets and the reduction of food loss and waste along the food supply chain. However, there is limited information on the synergistic effects and trade-offs of adopting the two measures. In this study, we assessed the water-saving potential of the two measures in South Korea using environmentally extended input-output relying on the EXIOBASE database for the reference year 2020, along with scenario analysis to model the potential outcomes. Specifically, we analyzed scenarios where meat consumption was reduced by 30% and 50% and in combination with a 50% reduction in food waste at the consumption stage for each scenario. According to our findings, by considering individual measures of dietary change and food waste reduction, shifting to a diet with 30% and 50% less meat consumption could lead to reduction in water footprint by 6.9% and 7.5%, respectively, while 50% reduction in food waste at the consumption stage could save about 14% of water footprint. However, the synergistic effects of the two measures such as 30% less meat consumption and 50% food waste reduction, and 50% less meat consumption and 50% food waste reduction result to 20% and 24% reductions in water footprint, respectively. Moreover, our findings also showed that increasing food consumption with high environmental impacts could promote resources use inefficiency when waste occurs. Thus, policy strategies that address synergistic effects of both dietary change and food waste reduction should be strengthened to achieve sustainable food system. International and national policies can increase resource efficiency by utilizing all available reduction potentials while considering strategies interactions.

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EVALUATING MANAGEMENT STRATEGIES THROUGH ECONOMIC MODELING OF HEAVY EQUIPMENT FLEETS

  • Tyler Johnson;John Hildreth;Scott Capps
    • International conference on construction engineering and project management
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    • 2013.01a
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    • pp.219-225
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    • 2013
  • State transportation agencies utilize fleets of heavy equipment to construct and maintain roadways. Equipment cost models can be developed to forecast economic life, which is the point at which the average unit cost to date reaches a minimum. A calculated economic life and cost models can be used to quantify the impacts of management strategies applied to a fleet. The purpose of this research was to develop an accurate method of quantifying the results of management strategies applied to a fleet of heavy construction equipment. The strategies evaluated are related to the annual usage of the fleet and the size of the fleet. More specifically the methodology is used to adjust the economic model to consider a limit to the annual decline in machine usage and a reduction in the number of machines in the fleet. When limiting annual machine usage, a specified rate is applied to the usage of the fleet, while total usage is held constant. This causes aging at a modified rate. A reduction in fleet size also causes a change to the usage of a fleet as the fleet must use fewer machines to produce the same total usage.

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