• Title/Summary/Keyword: production impact

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Impact of Climate Change on Food Safety: A Mini-review (기후변화와 식품안전에 관한 소고)

  • Kim, Jong-Gyu;Kim, Joong-Soon
    • Journal of Environmental Health Sciences
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    • v.42 no.6
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    • pp.465-477
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    • 2016
  • Objectives: This review examined the scientific evidence regarding the impact of climate change on food safety. Methods: The impact of climate change on food safety was assessed based on a survey of related publications reported in the past 20 years. The terms used for literature selection reflect three aspects: climate change; food; and food safety. Results: Climate change is expected to affect the key elements of food production - water and climate. These impact on food safety through many different pathways. Directly, food shortages according to the population grovoth result in a food security/food supply problem, These relationships are commonly understood. The indirect impacts include an increase in food-borne diseases and pathogens, increased mycotoxin production, and increased risk of pesticide residues in foods due to greater use of pesticides in response to warming and increased precipitation and the accompanying diseases in certain crops. Field studies and statistical and scenario analyses were performed to provide evidence. However, quantification of these relationships is still lacking. Conclusion: Adaptation measures at the local and community levels are essential since the pressures from weather and climate events may differ according to region and sector. It is recommended that we go beyond empirical observations of the association between climate change and food safety and develop more scientific explanations. We also need to explore alternative materials for bioenergy demands in order to improve sustainability.

A Study on Environmental Impact and Cost Analysis in Electricity Generation Using MFCA For a Coal-fired Power Plant (MFCA를 적용한 환경부하 및 발전원가 분석 연구 : 석탄화력발전소 중심으로)

  • Lim, Byung-Sun;Park, Seungwook
    • Journal of the Korea Safety Management & Science
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    • v.17 no.1
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    • pp.271-279
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    • 2015
  • Global warming has pressured companies to put a greater emphasis on environment management which allows them to reduce environmental impact and costs of their operations. In Korea, the coal-fired power plants take a large account of electricity generation at 31.7% of the total electricity usage in 2014. Thus, environmental impact of coal-fired power plants is significant. This paper illustrated how to compute environmental impact and costs in electricity generation at a coal-fired power plant using MFCA methodology. Compared to the traditional accounting, an advantage of MFCA is to provide information on electricity generation costs and environmental wastes incurring throughout the production process of electricity. Based on MFCA, the coal-fired power plant was able to reduce production cost of electricity by 52.3%, and environmental wastes by 47.7%. As a result, MFCA seemed to be an effective tool in environmental management for power plants.

US Purchasing Managers' Index and its Impact on Korea and US

  • Jeon, Ji-Hong
    • Journal of Distribution Science
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    • v.15 no.3
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    • pp.17-25
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    • 2017
  • Purpose - The study is to examine the impact of the US Purchasing Managers' Index (PMI) on Korea and the US industrial economy including the distribution industry. We analyze its effect on the industrial economy centered on the distribution industry using economy indices in Korea and the US. Research design, data, and methodology - The variables are used to analyze the dynamic relationship which occurs among the US PMI, the industrial production index, producer price index, unemployment rate, and manufacturing Inventories Index in Korea and the US from January 1990 to July 2016 using Vector Error Correction Model. Results - As a main result, the impact of the US PMI on all the economy indices both Korea and the US has the same cyclical movement. The US PMI is positively related to the producer price and the industrial production index of Korea and the US, while it is negatively related to unemployment rate, and the manufacturing inventories index in Korea and the US. Conclusions - The US PMI as an advanced index has a power to predict the economies on Korea and the US. In the end, we find that the US PMI has a great impact on Korea and the US industrial economy.

Development of Animal Liquid Manure Field Spreader Suited to Small Scale Crop Production Farms (소규모영농에 적합한 가축분뇨액비살비살포기 개발)

  • Choe, K.J.;Oh, K.Y.;Ryu, B.K.;Lee, S.H.
    • Journal of Animal Environmental Science
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    • v.12 no.3
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    • pp.151-160
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    • 2006
  • For even distribution of liquid manure in the field, a boom nozzle type spreader was designed and studied to determined its suitability for small scale crop production farms. Boom nozzle type spreader was compared in the impact triple nozzle and impact single nozzle type spreader. Spreading uniformity of the boom nozzle type liquid manure spreader showed 5.2% (C.V.) and impact single nozzle type spreader showed 6.9% (C.V.). The spreading uniformity of the impact triple nozzle type spreader was quite uneven, therefore, the spreader could be modified as twin nozzle for spreading in orchard farm. The wheel axle height adjustable type liquid manure spreader has higher the stability and it considered much useful on the hilly agricultural land.

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A Note on the Impact of Public Financing for Recycling Firms on Output (재활용산업에 대한 공공융자지원사업 효과분석에 관한 소고)

  • Kwak, Seung-Jun;Yoo, Seung-Hoon;Kim, Chan-Jun
    • Environmental and Resource Economics Review
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    • v.11 no.2
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    • pp.279-290
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    • 2002
  • This paper explores the impact of public financing for recycling firms on output, using a specific case study of Korea. To this end, we employ a production function approach and apply generalized method of moment estimation technique. The results show that the impact appears to be not only positive but also statistically significant, and more interestingly the estimate for financed capital is numerically larger than that for non-financed capital.

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Study on the Optimization Design and Impact Experiment of Side Door for Impact Beam in the Vehicle Side Door (차량 측면도어 임팩트 빔의 최적설계 및 측면도어 충돌실험에 관한 연구)

  • Kim, Jae Yeol;Choi, Soon Ho
    • Tribology and Lubricants
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    • v.31 no.1
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    • pp.13-20
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    • 2015
  • The impact beam, a beam-shaped reinforcement installed horizontally between the inside and outside panels of car doors, is gaining importance as a solution to meet the regulations on side collision of vehicles. In order to minimize pelvis injury which is the biggest injury happening to the driver and passengers when a vehicle is subject to side collision, energy absorption at the door impact beam should be maximized. For the inner panel, the thrust into the inside of the vehicle must be minimized. The impact beam should be as light as possible so that the extent of pelvis injury to the driver and passenger during side collision of the vehicle is minimal. To achieve this, the weight of the impact beam, has to be optimized. In this study, we perform a design analysis with a goal to reduce the weight of the current impact design by 30% while ensuring stability, reliability, and comparison data of the impact beam for mass production. We conduct three-point bending stress experiments on conventional impact beams and analyze the results. In addition, we use a side-door collision test apparatus to test the performance of beams made of three (different materials: steel, aluminum, and composite beams).

A Study on the Property of the Floor Impact Isolation Material in Apartment House (공동주택 바닥충격음 완충재료의 물성 권장안)

  • 정갑철;양관섭
    • Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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    • 2001.05a
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    • pp.59-64
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    • 2001
  • Recently, among those general contractors and construction material production companies in korea, this concept is lively obtained to reduce the floor impact sound. This attempt is continuously tried for developing the floor impact isolation material. However the assesment of the isolation performance is often ignored and even there seems no differences in comparison with the general the isolation performance of the floor impact. This is often occurred for their only respect with the material of the floor impact isolation performance. Therefore, this study analysed the expected problems for site application of currently applied the isolation material and its capacity which as the floor impact reducing material, and presented several major assesment items and checklist which should be inspected in advance of their development or site application.

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Feeding and Management System to Reduce Environmental Pollution in Swine Production - Review -

  • Han, In K.;Lee, J.H.;Piao, X.S.;Li, Defa
    • Asian-Australasian Journal of Animal Sciences
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    • v.14 no.3
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    • pp.432-444
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    • 2001
  • In this manuscript, several effective feeding and management systems to reduce environmental pollution in swine production have been briefly introduced. It is logical that reducing the excretion of nutrients in manure should be the first step to reduce the environmental impact of pig production. it is evident that the excretion of nitrogen and phosphorus can be reduced when more digestible or available feedstuffs are used. Also, it is well known that proper feed processing can reduce anti nutritional factors (ANF) and improve nutrient digestibilities. Supplementation of effective feed additives can reduce excretion of nitrogen and phosphorus due to efficient feed utilization. These include enzymes (e.g., phytase), antibiotics, probiotics, organic acids and growth hormones ($\beta$-agonists and porcine somatotropin). One of the most effective ways to reduce pollutants from swine manure is to use synthetic amino acids in feed manufacturing. Many studies showed that reduction of 2 to 4% unit (U) of dietary protein with supplemental amino acid (AA) could dramatically reduce (15 to 20%) nitrogen excretion. Regarding feeding strategies, it has been recognized that phase feeding regimen could be used to reduce nitrogen and phosphorous excretion by feeding pigs in better agreement with age and physiological state. Feeding barrows and gilts separately, known as split sex feeding, can also decrease excretion of nitrogen and phosphorus. With the increasing concerns on the negative impact of animal production systems on the environment, animal nutritionists and producers should be aware that sustainability of animal agriculture is as important as high production performance. Therefore, some feeding and management strategies described in this manuscript will help to reduce environmental pollution in swine production. Proper combination of feeding regimen and environment-friendly diet formulation through nutritional approach will be more effective to reduce nutrient excretion in swine production system compared to single approach to do so.

A comparison study on color correction for high-definition video in digital post-production (디지털 후반작업에서 고화질 영상표현을 위한 색보정(color correction) 비교연구)

  • Oh, Moon Seock;Won, Jong Wook;Lee, Yun Sang
    • Journal of Korea Society of Digital Industry and Information Management
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    • v.9 no.4
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    • pp.167-175
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    • 2013
  • This study is the process of making high-definition TV broadcast color correction affects the end result comparison is focus on implement through study. In the production process and the impact on the color Correction in the video as an study for UHD, 4K, 6K video production workflow improvement of an effective program in the present and time and cost in the post production process, color correction for the final video through the production and overcome the failure of further in-efficient color correction study will help you to solve the problem. This study is the color changes over the course of the final video to see how much influence color correction of post-production. Color correction using a program of courses in Visual quality, regularly presented the possibility to retain and make on high definition video production post-production process for color correction method is utilized as the basis of study.

A Study on the Calculation Method of the Elastomeric Bearing Life Cycle Inventory (LCI) Database to Improve Reliability of Evaluation of Environmental Load of Bridges (교량의 환경부하평가 신뢰성 향상을 위한 교량용 탄성받침 전과정목록 산정방법에 관한 연구)

  • Wie, Deahyung;Kim, Youngchun;Kwak, Inho;Hwang, Yongwoo
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.37 no.4
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    • pp.681-691
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    • 2017
  • In this research, life cycle inventory database (LCI DB) was developed for elastomeric bearing employing life cycle assessment (LCA) methodology additionally the reliability improvement rate in the evaluation of the environmental load of the bridge was analyzed. As are result of impact assessment by 6 major impact categories, production of elastomeric bearing puts on environmental impact in the order of resource depletion, global warming, photochemical oxidant creation. and among a wide variety of input, steel plates contributes in most of the impact categories. As a result of applying the elastomeric bearing LCI database constructed in this study, the environmental loads increased by 0.53% on average, and the cut-off based on the cost of input materials increased by 11.36%. It is anticipated that it will be possible to improve the credibility and to provide data based on current production technology, such as estimating GHG emissions and evaluating environmental load, by constructing elastomeric bearing LCI DB.