• Title/Summary/Keyword: Energy-awareness

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An Analysis of Factors Affecting Energy Drink Consumption in College Students (대학생의 에너지드링크 섭취실태 및 영향 요인 분석)

  • Yun, Haesun;Kim, Su Hee;Lee, Chung Yul
    • Korean Journal of Health Education and Promotion
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    • v.30 no.3
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    • pp.1-12
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    • 2013
  • Objectives: The objective of this study was to investigate the patterns of energy drink consumption and associated factors in a group of college students in South Korea. Methods: Cross-sectional, self-report survey data were collected from 231 college students in November of 2012 and were analyzed by logistic regression. Results: Students consuming energy drinks accounted for 81.8% of the entire sample and 40.3% of the sample reported that they mixed with alcoholic drink. The most common reason for drinking an energy drink was "To stay awake", followed by "To relieve fatigue". In logistic regression analysis, statistically significant predictors of energy drink consumption was alcohol drinking behavior. Conclusions: Consumption of energy drinks has been quite common in college students. Awareness of college students regarding potential health effects of energy drinks, in particular, those of mixing alcoholic beverage, should be increased through health education.

Pattern Analysis of High-caffeine Energy Drink Consumption and Adverse Effects among College Students in a University (대학생들의 고카페인 에너지음료 소비실태 및 부작용 분석)

  • Lee, Jieun;Huh, Wan;Choi, Eun Joo
    • YAKHAK HOEJI
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    • v.57 no.2
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    • pp.110-118
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    • 2013
  • High-caffeine energy drink consumption has been increasing in young adults, frequently causing the most common symptoms such as tremor, insomnia, anxiety, and nervousness and rarely leading to serious adverse effects like seizure, acute mania, and stroke due to caffeine overdose. There have been little current studies regarding analysis of high-caffeine energy drink consumption and its adverse effects in Korea. This study was to examine high-caffeine consumption patterns, associated factors, and adverse effects based on responses from 231 college students in a University through survey. About 88.3% (n=204) of total respondents reported that they had energy drinks. College students mostly consumed energy drinks to keep awake (46%) when studying and to recover fatigue (27%). Approximately 44% respondents mainly reported palpitation (73.9%) and insomnia (72.8%) regarding adverse effect questionnaire. Current reports on the risk of recreational use, co-ingestion of alcohol and energy drink as well as energy drink consumption among children and adolescents are increasing, requiring further long-term research and awareness of these issues.

An Augmented Refrigerator with the Awareness of Wasteful Electricity Usage

  • Fujinami, Kaori;Kagatsume, Shota;Murata, Satoshi;Alasalmi, Tuomo;Suutala, Jaakko;Roning, Juha
    • International Journal of Internet, Broadcasting and Communication
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    • v.6 no.1
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    • pp.1-4
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    • 2014
  • In this paper, an augmented refrigerator is proposed that presents information to increase the awareness of electric power consumption of a household fridge. The key idea is to reflect wasteful behavior on the feedback to a user, rather than mere amount of consumption or duration of opening a door of a fridge.

Energy-aware Tree Routing Protocol for Wireless Sensor Networks (센서 네트워크에서 에너지 효율성을 고려한 트리 라우팅 프로토콜)

  • Hwang, So-Young;Jin, Gwang-Ja;Shin, Chang-Sub;Kim, Bong-Soo
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.33 no.8B
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    • pp.624-629
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    • 2008
  • Many routing protocols have been proposed for sensor networks where energy awareness and reliability are essential design issues. This paper proposes an Energy-aware Tree Routing Protocol (ETRP) for Wireless Sensor Networks. The proposed scheme relates to reliable and energy efficient data routing by selecting a data transmission path in consideration of residual energy at each node to disperse energy consumption across the networks and reliably transmit the data through a detour path when there is link or node failure. Simulation results show that the proposed method outperformed traditional Tree Routing (TR) by 23.5% in network lifetime.

Is Economic Globalization Destructive to Air Quality? Empirical Evidence from China

  • GURBUZ, Eren Can
    • The Journal of Asian Finance, Economics and Business
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    • v.9 no.10
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    • pp.15-27
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    • 2022
  • Recently, as carbon dioxide (CO2) emissions have increased overall and contributed to air pollution, and awareness of environmental degradation has grown. This study examines the impacts and causalities of economic globalization, economic growth, energy consumption, and capital formation on CO2 emissions in China over the period 1971-2014. The vector error correction model (VECM) and Granger causality test on time-series data are employed to observe the interactions between CO2 emission, economic globalization, and various economic factors, including economic growth, energy consumption, and capital formation, since China's early stage of globalization. The empirical results indicate the existence of bidirectional causalities from economic growth, gross capital formation, economic globalization, and CO2 emission to energy consumption, and bidirectional casualty from energy consumption to CO2 emission relationships in the short run. The findings of this study suggest that indirect bidirectional causalities from economic growth, economic globalization, and capital formation to CO2 emission through energy consumption are observed. Moreover, economic globalization accelerates CO2 emission in the short run but decreases it in the long run. To reduce CO2 emissions, and to ensure sustainable economic growth and economic globalization progress, some crucial energy-saving and energy-efficiency policies, regulatory rules, and laws are recommended.

Development of a System-Independent Mobile Smart Shelter using Solar Energy (태양광 에너지를 이용한 계통 독립형 이동식 스마트 쉼터 개발)

  • Joo, Jong-Yul;Lee, Young-Jae;Park, Kyoung-Wook;Oh, Jae-Chul
    • The Journal of the Korea institute of electronic communication sciences
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    • v.15 no.6
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    • pp.1061-1068
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    • 2020
  • This paper presents a system-independent mobile smart shelter using solar energy technology that can be freely installed in various places, such as parks, countryside, event area, construction area and walking tour places where the system power are difficult to use. The proposed smart shelter is equipped with solar power generation and energy storage devices that is combined with IoT technology to collect indoor and outdoor humidity, fine dust and tourist awareness in real time. It is possible to efficiently manage energy by performing the optimal energy operation during the heat- wave, cold-wave situation and the presence of travelers and it is possible to serve as a shelter for as long as possible without system power.

Comparison of alarm systems for advanced control room

  • Lee, H.C.;Oh, I.S.;Sim, B.S.;Koo, I.S.;Kim, J.T.;Lee, K.Y.;Park, J.K
    • Proceedings of the ESK Conference
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    • 1997.10a
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    • pp.303-309
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    • 1997
  • This study is carried out to investigate performance differences between two alarm presentation methods from the viewpoint of human factors and to provide items to be improved. One of the alarm display methods considered in this study displays alarm lists on VDT combined with hardwired alarm panels. The other method displays alarms on plant mimic diagrams of VDT. This alarm display method has other features for operator aid with which operator can get detailed information on the activated alarm in the mimic diagrams, and the capability for alarm processing such as alarm reduction and prioritization. To compare the twodisplay methods, a human factor experiment was performed with a plant simulator in the ITF(Integrated Test Fcility) that plant operators run for 4 event scenarios. During the experiment, physiological measurements, system and operator action log, and audio/video recordings were collected. Operators' subjective opinion was collected as well after the experiment. Time, error rate and situation awareness were major human factor criteria used for the comparison during the analysis stage of the experiment. No statistical significance was found in the results of our statistical comparison analysis. Several findings were identified, however, through the analysis of subjective opinions.

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A Study on the Effect of Water Saving Awareness on Purchasing Intention of Water Saving Product at Home (가정에서의 물 절약 인식이 절수제품 구매의도에 미치는 영향)

  • Choi, Tae-Wol;Suh, Kee-Won
    • Industry Promotion Research
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    • v.1 no.1
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    • pp.123-128
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    • 2016
  • This study verified the effect of water saving awareness on purchasing intention of water saving product at home. The study results showed that the necessity awareness of water saving at home(p<.001) and satisfaction of the water saving effect on water saving product(p<.01) significantly affected the purchasing intention of water saving product. Also, this study found purchasing intention of water saving product's between-group differences depended on occupation, awareness of the need of water saving at home, the most exertive part for saving water at home, the most effective water saving product and the weakness of water saving product. This study provided practical implication for promoting positive consumer behavior of using water saving product.

Analysis of Radiation Protection, Awareness and Attitude of Radiological Technologist in Mammography Room (유방촬영실에 근무하는 방사선사의 방사선 방어, 인식 및 태도에 관한 분석)

  • Hong, Dong-Hee
    • Journal of radiological science and technology
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    • v.40 no.4
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    • pp.557-565
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    • 2017
  • This study was conducted to investigate the radiation protection, awareness, and attitude of radiological technologists in the mammography room due to the low energy use of breast imaging. Data collection was performed by 222 independent radiological technologists in the breast and breast clinic of six hospitals except Jeju Island. The independent sample t-test and oneway variance analysis were performed. As a result, it was found that the lower the number of men(p<0.05), the age of 30s(p<0.05), the marriage(p<0.05), the work experience of more than 10 years(p<0.05), the working hours of 8 hours(p<0.01), the less the impact of radiation(p<0.01), the more important it was to radiation defense. appear. This is thought to be influenced by the work specificity and work environment of the mammography room, and it will be used as a basic data to raise awareness and act on the exposure through analysis with other factors.

State-of-the-Art in Cyber Situational Awareness: A Comprehensive Review and Analysis

  • Kookjin Kim;Jaepil Youn;Hansung Kim;Dongil Shin;Dongkyoo Shin
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.18 no.5
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    • pp.1273-1300
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    • 2024
  • In the complex virtual environment of cyberspace, comprised of digital and communication networks, ensuring the security of information is being recognized as an ongoing challenge. The importance of 'Cyber Situation Awareness (CSA)' is being emphasized in response to this. CSA is understood as a vital capability to identify, understand, and respond to various cyber threats and is positioned at the heart of cyber security strategies from a defensive perspective. Critical industries such as finance, healthcare, manufacturing, telecommunications, transportation, and energy can be subjected to not just economic and societal losses from cyber threats but, in severe cases, national losses. Consequently, the importance of CSA is being accentuated and research activities are being vigorously undertaken. A systematic five-step approach to CSA is introduced against this backdrop, and a deep analysis of recent research trends, techniques, challenges, and future directions since 2019 is provided. The approach encompasses current situation and identification awareness, the impact of attacks and vulnerability assessment, the evolution of situations and tracking of actor behaviors, root cause and forensic analysis, and future scenarios and threat predictions. Through this survey, readers will be deepened in their understanding of the fundamental importance and practical applications of CSA, and their insights into research and applications in this field will be enhanced. This survey is expected to serve as a useful guide and reference for researchers and experts particularly interested in CSA research and applications.