• Title/Summary/Keyword: USE IMPACT

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Comparison of Land Farming and Chemical Oxidation based on Environmental Footprint Analysis (환경적 footprint 분석을 통한 토양경작법과 화학적산화법의 비교)

  • Kim, Yun-Soo;Lim, Hyung-Suk;Park, Jae-Woo
    • Journal of Soil and Groundwater Environment
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    • v.20 no.3
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    • pp.7-14
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    • 2015
  • In this study, land farming and chemical oxidation of a diesel-contaminated site is compared to evaluate the environmental impact during soil remediation using the Spreadsheet for Environmental Footprint Analysis by U.S. EPA. Each remediation process is divided into four phases, consisting of soil excavation, backfill and transportation (Phase 0), construction of remediation facility (Phase 1), remediation operation (Phase 2), and restoration of site and waste disposal (Phase 3). Environmental footprints, such as material use, energy consumption, air emission, water use and waste generation, are analyzed to find the way to minimize the environmental impact. In material use and waste generation, land farming has more environmental effect than chemical oxidation due to the concrete and backfill material used to construct land farming facility in Phase 1. Also, in energy use, land farming use about six times more energy than chemical oxidation because of cement production and fuel use of heavy machinery, such as backhoe and truck. However, carbon dioxide, commonly considered as important factor of environmental impact due to global warming effect, is emitted more in chemical oxidation because of hydrogen peroxide production. Water use of chemical oxidation is also 2.1 times higher than land farming.

The Impact of Technostress on Telemedicine App Usage Intentions in the Post-COVID19 Era (포스트 코로나 시대의 원격진료 앱 사용 의도에 대한 연구: 테크노 스트레스의 영향을 중심으로)

  • Dong-eon Lee;Se-Youn Jung
    • Journal of the Korea Safety Management & Science
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    • v.26 no.1
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    • pp.1-8
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    • 2024
  • This study explores the impact of technostress on the intention to use telemedicine applications (apps) in the post-COVID19 era, a period marked by the rapid popularization of such apps to mitigate COVID19 infection risks. Utilizing the Technology Acceptance Model (TAM), the study identifies variables and proposes a research model. A questionnaire survey involving 364 adults is analyzed through Partial Least Squares-Structural Equation Modeling. Results indicate positive significance for variables linked to the TAM (perceived usefulness, perceived ease of use, attitude, and intention to use). Notably, techno-complexity negatively affects perceived ease of use, while techno-unreliability negatively impacts perceived usefulness and ease of use. Surprisingly, techno-uncertainty has a positive effect on both perceived usefulness and ease of use. Techno-overload, although negatively impacting perceived usefulness and ease of use, does not reach statistical significance. The study underscores the need to consider both positive and negative aspects, including technostress, when evaluating telemedicine app usage. Additionally, recognizing the varying impact of technostress based on users' ICT(Information and Communication Technology) confidence levels is crucial. Overall, these findings contribute academically to telemedicine app adoption literature and hold industrial significance by providing a user perspective on these apps.

Impact of Knowledge Creation and Sharing on Knowledge Use Among Librarians in Federal Universities in Nigeria

  • Thomas Ayinla Ogunmodede;Sunday Olanrewaju Popoola
    • International Journal of Knowledge Content Development & Technology
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    • v.14 no.2
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    • pp.65-80
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    • 2024
  • This paper aims to determine the impact of knowledge creation and sharing on use by librarians in federal universities in Nigeria. The study adopted the survey method of the correlation type, where 518 librarians were surveyed through a close-ended questionnaire, descriptive statistics, Pearson Product Moment Correlation coefficient and multiple regression were used to test the hypotheses. Findings indicate that significant relationships exist between knowledge creation and knowledge sharing (r=0.52), knowledge sharing and knowledge use (r=0.63) and knowledge creation and knowledge use (r=0.52), respectively. Knowledge created and shared by the librarians is used for better work performance. The paper adds value to the existing body of knowledge by proposing the need to understand the importance of knowledge creation and sharing as facilitators of knowledge use by librarians. This will, in turn, enhance service delivery to library patrons, thereby improving library patronage. This paper is limited to knowledge creation and sharing and its impact on knowledge use. Types of knowledge created and channels through which knowledge is shared are outside the focus of this article.

Media Use and Political Participation in China: Taking Three National Large-N Surveys as Examples

  • Miao, Hongna
    • Asian Journal for Public Opinion Research
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    • v.7 no.1
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    • pp.1-22
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    • 2019
  • In the age of continuous media change and the coexistence of multiple forms of media, the relationship between the public's media use and political participation is an urgent area of study. This paper makes use of large national sample surveys from 2002, 2011, and 2015, summarizes the change of the public's media use by descriptive statistics analysis, and finds that while the Internet has become an important communication channel, the use of Internet for political information and political participation is still overestimated. Compared to the weak impact of different media channels for political information on political participation, the frequency of media exposure and Internet use play a significant role in political participation. Because of the negative effect of the frequency of Internet use on political participation, the democratization function of the Internet needs to be treated with caution. This paper describes media use and its roles in contemporary China, analyzes the impact of media use on political participation, and extends the cross-cultural application of the theory of political communication.

The Effect of Social Network Service Characteristics on perceived Ease of Use and Usefulness (외식상품의 소셜네트워킹서비스 특성이 지각된 사용 용이성·유용성과 온라인 구전의도에 미치는 영향)

  • Oh, Wang-Kyu
    • The Korean Journal of Food And Nutrition
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    • v.29 no.6
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    • pp.1050-1057
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    • 2016
  • SNS (Social network service) characteristics are perceived to simplify use. We carried out empirical studies on these parameters to observe the impact on the image of catering SNS online by word-of-mouth. The subjects of the study were as follows: 32.3% (392 persons) 19 years old, 67.7% (821 persons) over 19 years, 51.0% (619 persons) in their 20s, 22.1% (268 persons) in their 30s, 17.6% in their 50s, and 9.3% (112 persons) over 50 years. After verifying the hypothesis proposed that SNS characteristics perceived the ease of use, the significant factor identified in usability were connectivity Speed (${\beta}=0.213$), playfulness (${\beta}=0.246$), information (${\beta}=0.115$), and reciprocity (${\beta}=0.357$). Dual reciprocity had the most impact. It was observed that a longer impact of these significant factors improved the feel and fun of use. If SNS companies cater to, quick and easy, diverse, reliable and latest information, they can increase the ease of use, and availability, depending on the goals. Also, significant factors in the SNS features and online word of mouth was playfulness (${\beta}=0.312$), information (${\beta}=0.207$), reciprocity (${\beta}=0.066$) and perceived ease of use, and usefulness (${\beta}=0.293$), double playfulness had the maximum impact. These features provided more fun, reliable information, and could quickly deliver the latest information. The more the perceived usefulness, and ease of use, higher was the online word-of-mouth effect. SNS usage characteristics of connectivity Speed did not show any statistical significance in online word-of-mouth. Thus, catering businesses need to find ways to increase the ease of use, make the usefulness multifaceted, constantly checking the catering information on the SNS and ensuring to get the latest information is from diverse and reliable sources. This would increase the fun for the customer making the SNS to actively be utilized as a marketing tool.

The Impact of Generative AI's Technical Characteristics and Librarians' Personal Traits on Intention to Use Generative AI (생성형 AI의 기술적 특성과 사서의 개인적 특성이 생성형 AI 사용의도에 미치는 영향)

  • Seonghee Kim;Seung Min Lee
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.35 no.2
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    • pp.109-133
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    • 2024
  • This study investigated the impact of the technical characteristics of Generative AI (GAI) and librarians' personal traits on their intention to use GAI. Personalization, interaction, and context awareness were considered as technical characteristics of GAI that influence the intention to use GAI, while innovativeness and frequency of GAI use were considered as librarians' personal traits. The study targeted 187 librarians working in libraries, and 165 questionnaires were collected and analyzed. The results showed that the technical characteristics of GAI had a statistically significant impact on the intention to use GAI. Additionally, librarians' personal traits, namely innovativeness and frequency of GAI use, were also found to have a significant impact on the intention to use GAI. The findings of this study can be used as valuable information to help librarians increase their intention to use GAI and improve the quality and satisfaction of library services.

Impact of Chemical Pesticides Use in a Social Accounting Matrix Framework: A Case Study of Thailand

  • PUTTACHAI, Wachirawit;SINGHAPREECHA, Charuk;SIRISRISAKULCHAI, Jirakom
    • The Journal of Asian Finance, Economics and Business
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    • v.8 no.2
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    • pp.297-307
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    • 2021
  • Although there are several studies on the impact of pesticides use, there is no consistent conclusion about such evidence on capturing the socioeconomic independence. The propose of this paper is to investigate the economy-wide impact of pesticide use in Thailand. The research data and methodology in this paper are depended on a social accounting matrix framework incorporating the pesticide-related illness as an additional sector, following Resosudarmo and Thorbecke (1998), to explain the impact of the pesticides on the related agricultural sector, food sector, and the social welfare of different households. Thus, the main characteristics of the Thai economy can be comprehensively described by providing information contained in this framework. In this respect, the several data sets are constructed to include the economic and social structure interdependencies, which are necessary to analyze the policy implications, especially industrial policy. The results were analyzed according to the general equilibrium theory and the Leontief multiplier matrix. It reveals that the food industry and the economy are significantly affected by the pesticides. One of the most interesting findings of this paper suggest that the food sector needs to determine its output to avoid bottleneck situations and create equality across the food production system.

An Effective Environmental Assessment for the Simple Statement of the Sea Area Utilization Consultation System (간이해역이용협의 유형분석 및 효율적 환경평가방안)

  • Lee, Dae-In;Eom, Ki-Hyuk;Kim, Gui-Young
    • Journal of Environmental Impact Assessment
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    • v.22 no.3
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    • pp.255-264
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    • 2013
  • This paper diagnosed the assessment problems and development types of the simple statement of the Sea Area Utilization Consultation System. and suggested the key assessment items for system improvement. The major types of Public Water occupation and use, and distribution characteristic of regional and coastal were analyzed by evaluate 529 review items during 2010-2012. The artificial structure installation including harbor and fishing port facilities in the South and West coast, and seawater supply and drainage for land-based aquaculture and power plant were dominated. The checklists considering each types of occupation and use in Public Water were suggested. In addition, policy proposals for system improvement were suggested.

Distribution information safety and factors affecting the intention to use digital banking in Vietnam

  • NGUYEN, Dat Ngoc;NGUYEN, Dat Dinh;NGUYEN, Duy Van
    • Journal of Distribution Science
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    • v.18 no.6
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    • pp.83-91
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    • 2020
  • Purpose: Research on the behavior of using digital banking services plays an important role for banks in the context of increasingly competitive banks, not only for domestic banks but also for foreign banks. Along with the development of science and technology brings new approaches to banking industry, digital banking increases the effectiveness of banking activities. Besides, information safety brings different feeling about digital banking system. Therefore, this research evaluates the relationship between Information safety and Intention to use banking services in Vietnam. Research design, data and methodology: With 329 Vietnamese customers using digital banking, reliability test, and structural equation model (SEM) analysis method. Results: the research shows that information safety has directly effects on perceived ease of use (PU), perceived risk (RIS) of customers to digital banking services. Perceived trust (TRU) has a negative impact on RIS. Perceived of usefulness (PEU) has a positive impact on attitude towards service (ATT), and RIS has a negative impact on ATT. RIS, PEU, ATT, convenience and enterprise image have positive effects on intention to use digital banking service. Conclusions: From the research results, the authors also propose some recommendations to enhance the intention to use digital banking services in Vietnam.

Economic and Non-economic Determinants of Environmental Sustainability in the Long Run: Evidence from G20 Economies

  • Yin, Zihui;Choi, Chang Hwan;Ko, Jung O
    • Journal of Korea Trade
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    • v.26 no.1
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    • pp.1-19
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    • 2022
  • Purpose - This paper analyzes the economic and non-economic factors that contribute to environmental sustainability by reducing CO2 emissions, based on G20 panel data. Design/methodology - We conduct a comparative analysis of advanced and developing economies during 1995-2016. To examine the impact, an environmental Kuznets curve (EKC) model was employed, incorporating additional explanatory variables such as internet use, renewable energy, and services trade. Findings - The empirical findings show the existence of an inverted U-shaped EKC phenomenon between GDP per capita and CO2 emissions in G20 economies, with the turning point at a per capita GDP level of US$ 38,340. Moreover, an inverted U-shape relation exists between internet use and CO2 emissions, with the turning point at a 44% internet use rate. The comparative analysis show that the inverted U-shape curve only exits in advanced economies, with turning points of US$ 42,356 per capita GDP and 27% internet use rate, respectively. Renewable energy and services trade have a greater negative impact on CO2 emissions in advanced economies than in developing economies. Originality/value - Renewable energy and services trade have a greater negative impact on CO2 emissions in advanced economies than in developing economies. Overall, the results suggest the role of internet use, renewable energy and services trade in sustainable development in G20 countries.