• 제목/요약/키워드: City Environment

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서울시민의 대기 환경에 관한 인식 및 태도 (A Study on Recognition and Attitude of Residents in Seoul City about Air Environment)

  • 이정주;김신도;이경용
    • 한국환경보건학회지
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    • 제21권4호
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    • pp.63-74
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    • 1995
  • The objective of this study were to identify the state of re. cognition and attitude of residents in Seoul city about air environment and to identify factors affecting attitude toward air environment. Study object was residents in Seoul city sampled by multistage random proportional sampling. Sample size was 0.0067%(500 persons) of total residents in Seoul city. The results were divided into two parts: (1) descriptive results of recognition and attitude toward air environment, (2) results of factor analysis to classify categories of attitudes toward air environment and regression analysis to identify factors affecting attitude toward air environment. Most of resident in Seoul city recognized that air environment in Seoul city was highly polluted and was not satisfactory. Experience of damage of air pollution was reported in about 70% of residents in Seoul city. More than 60% of residents in Seoul city had concern about air environment. Attitude toward air environment were classified into four categories using factor analysis: Necessity of intervention of local government for air environment conservation, Participation of residents and enterprises for air environment conservation, Optimistic attitude about air pollution, Preference of economy. Factors affecting the above attitudes were knowledge about air pollution, knowledge about policies and institutions related air environment conservation, concern about air environment, educational level, subjective assessment of air environment, sex, marital status. In conclusion this study suggested providing information of air environment in Seoul city to the residents and to educating residents for making positive attitude about air environment conservation.

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K-City 가상주행환경 고도화를 통한 자율주행시스템 검증 환경 구축 (Development of Autonomous Driving System Verification Environment through Advancement of K-City Virtual Driving Environment)

  • 이빈희;허관회;이장우;김남우;윤종민;조성우
    • 자동차안전학회지
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    • 제15권1호
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    • pp.16-26
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    • 2023
  • Recently, the importance of simulation in a virtual driving environment as well as real road-based tests for autonomous vehicle testing is increasing. Real road tests are being actively conducted at K-City, an autonomous driving test bed located at the Korea Automobile Safety Test & Research Institute of the Transportation Safety Authority. In addition, the need to advance the K-City virtual driving environment and build a virtual environment similar to the autonomous driving system test environment in real road tests is increasing. In this study, for K-City of Korea Automobile Safety Test & Research Institute, using detailed drawings and actual field data, K-City virtual driving environment was advanced, and similarity verification was verified through comparative analysis with actual K-City.

도축 소의 간질 감염실태에 관한 역학적 고찰 (Epidemiological study on prevalence of fascioliasis in slaughtered cattle)

  • 김용환;박종태;김재익;김현중;김태순;장미선;김정남;박덕웅;배성열;박자윤;서은주
    • 한국동물위생학회지
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    • 제31권2호
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    • pp.207-217
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    • 2008
  • This study was carried out to investigate the prevalence of fascioliasis of slaughtered and farmed cattle in Gwangju area from February to November in 2007. A total of 1,000 cattle fecal samples were collected from slaughter houses (n=805) and farms (n=185). Twelve (1.2%) were found as positive cases with excretion of the egg of Fasciola spp in the fecal specimens, and 128 (12.8%) were positive in intestinal parasitism using the flotation and sedimentation procedures. The infection rate of fluke larvae from the slaughtered cattle at abattoirs in Gwangju was 0.75% (6 out of 805 heads). In histopathology, there were several liver lesions such as inflammation with infiltration of eosinophil, polymorphonuclear cells, mononuclear cells and multinucleated giant cells, proliferation of connective tissue, calcification and abscess formation.

자연형 하천 온천천의 물환경 특성 - 하천유지 용수 공급 전, 후 - (Characteristics of Aquatic Environment in Close-to-Nature Onchun Stream - Before and After the Flowing of the Nakdong River -)

  • 권동민;손정원;유은희;정재원;윤나나;황인정;권기원;빈재훈;최홍식
    • 한국환경과학회지
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    • 제16권7호
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    • pp.831-838
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    • 2007
  • In order to improve the water environment at urban streams in Korea, several river restoration projects have been initiated for past few years. This study evaluates the impact of diverting water application at the riverhead of Onchun stream through the monitoring program for several water quality and ecological parameters. Various water quality parameters and ecological item such as benthic macroinverterates has been investigated between 09/05 and 12/06. Analysis indicates that the application of diverting water from Nakdong river to Onchun stream distinctly improved several water quality parameters such as, PH, BOD, TN, TP and concentrations of heavy metals. Low flow augmentation also improve ecological indicies such as the diversity index of benthic macroinvertebrates. Generally speaking, releasing addition water from head water of Onchun stream improves various water environmental characteristics.

PPD 음성으로 확인된 출하소의 결핵병 진단예 (A case of bovine tuberculosis from cattle shipment confirmed PPD negative herds)

  • 정철;윤가리;라도경;김경미;이정구;김경호;이성모
    • 한국동물위생학회지
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    • 제37권2호
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    • pp.131-136
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    • 2014
  • Thirteen diary cows were diagnosed as bovine tuberculosis (BTB) based on pathological findings and PCR method from 74 diary cows slaughtered in Incheon city. BTB was outbreaked 9 times in the farm from March 2010 to June 2013. The BTB confirmed cows were all negatives by intradermal test with PPD at 3 times. Recently, disagreement between BTB outbreak and intradermal test has been raised as a big problem. This phenomenon suggest that a new control programs are necessary at farm level as well as diagnostic level.

건조에 따른 채소중 잔류농약의 경시변화 (Residual Patterns of Pesticides on Vegetables During Drying Process)

  • 남화정;곽영주;김철기;한영선;오세흥;장진섭;임수선;권성희;장승은;여은영;이은주;김순심;윤신원
    • 한국식품위생안전성학회지
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    • 제22권4호
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    • pp.300-305
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    • 2007
  • 본 연구는 취나물, 고춧잎, 열무를 대상으로 건조에 따른 procymidone, diazinon의 잔류량의 경시적 변화를 연구할 목적으로 수행되었다. 실내풍건 방법으로 건조하는 경우, procymidone, diazinon의 잔류량이 증가하지만 수분함량의 감량을 고려하여 보정하면 $10{\sim}83%$ 감소하였고, 열풍건조 방법으로 건조하는 경우도 농약 잔류량은 증가하여도 수분함량의 감량을 고려하여 보정하면 $44{\sim}71%$ 감소하였다. 이 결과에 의하면, 건조에 의하여, 수분 보정한 농약잔류량이 대부분 감소하므로 건조농산물을 판정함에 있어 단순히 신선농산물의 기준에서 수분함량의 감량을 고려하여 기준 적용할 것이 아니라 건조과정 중 농약잔류량에 영향을 미치는 여러 요인을 고려한 추가연구가 필요하다고 판단된다.

대구지역 신축학교 실내공기 중 카보닐화합물의 농도 특성 평가 (The Characterization of Carbonyl Compounds in the Newly-Built Schools, Daegu City)

  • 황윤정;박희선;장성일;노기철;손태정;한정욱;배기수;최임조
    • 한국대기환경학회지
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    • 제22권6호
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    • pp.831-841
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    • 2006
  • The study on school indoor air quality was carried out at classrooms, computer-rooms, laboratories and play- grounds for carbonyl compounds including formaldehyde during the winter time from November to December 2004 and during the summer time from June to July 2005. The sampling was conducted under the general school condition without any artificial intervention such as the sealing, ventilating or heating at indoor environments. The concentrations of formaldehyde at all types of indoor environments were lower than air quality standard of $120{\mu}g/m^3$ for public facilities. The mean concentrations of formaldehyde at indoors were $4.5{\sim}6.1$ times higher than those at outdoors. From the comparison between two year and one year old schools after construction, the concentrations of formaldehyde in two year old school were $30{\sim}38%$ lower than those in one year old school measured at classrooms and laboratories.

도시지역의 스마트 환경관리 적용 사례에 대한 고찰 (A Study on the Application Cases of Smart Environment Management in Urban Area)

  • 박찬진
    • 도시과학
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    • 제11권2호
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    • pp.31-44
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    • 2022
  • In this study, smart environmental management, which is an essential element for building a sustainable city, was studied. Incheon area in the metropolitan area was selected as a research subject, the recent atmospheric environment was reviewed comprehensively, and the main air quality policies of Incheon city were summarized. The smart environment management application cases were organized and analyzed to summarize the results. Based on this study, smart environment management plans for the creation of a smart city in an urban area were suggested.