• 제목/요약/키워드: Development status

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식품안정성 수준에 따른 청년의 영양섭취상태: 국민건강영양조사 2008-2018년 자료 활용 (Nutritional Status of Young Adults by Food Security Level: Analysis of Data from the Korea National Health and Nutrition Examination Survey (2008-2018))

  • 김은경;김세나;권용석;박영희;이진영
    • 한국식생활문화학회지
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    • 제36권5호
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    • pp.455-463
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    • 2021
  • This study was conducted to examine the status of food consumption and nutrition intake of young adults according to food security using data from the Korea National Health and Nutrition Examination Survey (KNHANES) (2008~2018). A total of 10,655 young adults aged 19~34 years participated in the study. The subjects in the moderately/severely food insecure group consumed less fruits, vegetables, meat, nuts and seeds than those in food secure/mildly food insecure group after adjusting for confounding factors. The moderately/severely food insecure group significantly decreased mean adequacy ratio (MAR) and nutrient adequacy ratio (NAR) for protein, vitamin A, riboflavin, niacin, vitamin C, calcium, phosphorus and iron compared to the food secure/ mildly food insecure group. The percentages of the participants consuming a daily diet with carbohydrate, protein, vitamin A, thiamin, riboflavin, niacin, vitamin C, phosphorus and iron less than the estimated average requirement (EAR) increased in the moderately/severely food insecure group compared with the food secure group. This study suggested that the nutrition intake of young adults was related to food security status. These findings can be used as basic data for developing nutritional policies for young adults.

공유수면 인공구조물 설치에 따른 해역이용협의서 작성실태 평가 (Assessment of Documentation Status of the Statement on the Sea Area Utilization according to Artificial Structure Installation in Public Water)

  • 엄기혁;이대인;김귀영;윤성순
    • 환경영향평가
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    • 제22권3호
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    • pp.265-276
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    • 2013
  • This study assessed documentation status of each environmental assessment items by analyzing the 243 case of marine EIS on the Consultation System of Sea Area Utilization. Observed rate of tidal elevation, current, temperature, salinity in maine environment were below 20%. The EFDC tool is applied substantially in hydrodynamic modeling. The verification process, however, is very insufficient using the recent observed data. Also, in-situ assessment rate of pelagic organism such as phytoplankton was below 50%, and assessment for Chlorophyll a was not accomplished. Ecological index evaluation for zooplankton and benthic ecosystem were not considered in statements. Especially, the rational assessment on the fisheries resources and protected species were very limited. It was necessary that the core assessment items (checklists) were established for environmental scoping. Furthermore, suggestion of information related to development, regional coastal management plan, aquaculture farms, and facilities were enhanced. The redundancy problem of proceedings between Environmental Impact Assessment and Sea Area Utilization Assessment System was improved.

Accuracy of Body Mass Index-defined Obesity Status in US Firefighters

  • Jitnarin, Nattinee;Poston, Walker S.C.;Haddock, Christopher K.;Jahnke, Sara A.;Day, Rena S.
    • Safety and Health at Work
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    • 제5권3호
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    • pp.161-164
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    • 2014
  • Obesity is a significant problem affecting United States (US) firefighters. While body mass index (BMI) is widely used to diagnose obesity, its use for this occupational group has raised concerns about validity. We examined rates and types of misclassification of BMI-based obesity status compared to body fat percentage (BF%) and waist circumference (WC). Male career firefighters (N = 994) from 20 US departments completed all three body composition assessments. Mean BMI, BF%, and WC were $29kg/m^2$, 23%, and 97 cm, respectively. Approximately 33% and 15% of BF%- and WC-defined obese participants were misclassified as non-obese (false negatives) using BMI, while 8% and 9% of non-obese participants defined by BF% and WC standards were identified as obese (false positives) using BMI. When stratified by race/ethnicity, Pacific Islanders showed high rates of false positive misclassification. Precision in obesity classification would be improved by using WC along with BMI to determine firefighters' weight status.

통계자료 조사를 통한 건설산업 현황 분석 연구 (Analytical Study of the Current Status of the Construction Industry Using a Survey for Statistical Data)

  • 김균태
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2009년도 추계 학술논문 발표대회
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    • pp.257-260
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    • 2009
  • With the current global financial crisis, Korea's economic situation involves a great deal of uncertainty. As the construction industry in Korea has traditionally been one of the country's strongest engines of economic development, it is crucial to understand its current status when establishing government policy or corporate goals. Utilizing a variety of statistical data related to construction that has been published in Korea, this study analyzes the current status and performance of the industry in terms of technological development. Although it was found that the construction industry in Korea is currently unstable due to the influence of the global financial crisis, it is now expected to recover quickly thanks to the increase in the number of construction contracts in foreign countries. In addition, when the performance of national research and development is realized, it is expected that new construction technologies will contribute to the recovery of the Korean construction industry. Despite the benefits of construction contracts in foreign countries, there are harmful practices in the industry that need to be addressed, including the excessively fierce competition among domestic construction companies.

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건강증진모델학교 분석: 도시 지역 대규모 초등학교를 중심으로 (Analysis of Health Promoting Schools: Focusing on Large-sized Elementary Schools in Urban Areas)

  • 김미주
    • 한국학교보건학회지
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    • 제30권3호
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    • pp.306-316
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    • 2017
  • Purpose: The purpose of this study was to investigate the operational status and operational problems of health promoting model schools, particularly of the large-sized elementary schools in urban areas. Methods: The study analyzed the data of 14 large-sized elementary schools in urban areas selected from 85 health promoting model schools, an initiative led by the Ministry of Education from 2012 to 2014. Results: The study examined the operation process of health promoting schools in five stages; system development, needs survey & current status survey, school health policy development, program development & execution, and evaluation. In addition, the study discovered three key factors in operating health promoting schools and examined the status of each factor; connection with the curriculum, connection with the community, and consensus among members. Four problems were identified as operational problems: lack of research on faculty health issues, school physical environment and community resources, inadequate presentation of performance indicators, no close coordination in core task development and lack of linkage with the curriculum. Conclusion: It turned out the concept of health promoting school suggested by WHO was relatively faithfully realized in this study. Compared to small-sized elementary schools in rural areas, health promoting schools in this study showed better aspects overall. The connection with the community was good, but the connection with the curriculum was poor.

헬리콥터 시뮬레이터 기술개발현황 (Development Status of Helicopter Simulator Technology)

  • 서강호;김윤수
    • 한국항공우주학회지
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    • 제47권6호
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    • pp.446-459
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    • 2019
  • 본 논문은 헬리콥터 시뮬레이터의 기술적 현황과 향후 전망을 살펴보는 것에 목적이 있다. 서론에서는 시뮬레이터의 개념과 헬리콥터를 중심으로 한 비행 시뮬레이터의 개발 역사에 대해 간략하게 정리하였다. 본론에서는 헬리콥터 시뮬레이터의 기술현황과 신뢰성 평가를 위한 인증방안으로 미 연방 항공국(FAA)과 유럽 항공 안전청(EASA) 인증을 소개했으며, 또한 비행 시뮬레이터의 신뢰성을 높이기 위해 해결해야할 문제점들과 향후 발전 방향에 대해 논의하였다.

Status and Prospects of Farm Mechanization in China

  • Guozhu, Hua
    • 한국농업기계학회:학술대회논문집
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    • 한국농업기계학회 1993년도 Proceedings of International Conference for Agricultural Machinery and Process Engineering
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    • pp.87-97
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    • 1993
  • China has a big population(22% of the world) and small cultivated land( only 7% of the world). Agriculture is very important and it has solved the problem of people's eating and wearing, and now it is creating favourable conditions for the state modernization and people's comparatively well-off. Farm mechanization plays an role in agriculture and has primarily developed. But the development is complicated since the big rural labour force and the small per capita cultivated land. The development and features of farm mechanization in China was summarized and the future task and its countermeasure was discussed in this paper.

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Overview of the Current Status of Technical Development for a Highly Scalable, High-Speed, Non-Volatile Phase-Change Memory

  • Lee, Su-Youn;Jeong, Jeung-Hyun;Cheong, Byung-Ki
    • JSTS:Journal of Semiconductor Technology and Science
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    • 제8권1호
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    • pp.1-10
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    • 2008
  • The present status of technical development of a highly scalable, high-speed non-volatile PCM is overviewed. Major technical challenges are described along with solutions that are being pursued in terms of innovative device structures and fabrication technologies, new phase change materials, and new memory schemes.