• Title/Summary/Keyword: 최신성

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A Study on Application of Test Bed for Verification of Realistic Fire Management Technology (실감형 화재관리기술 검증을 위한 테스트베드 적용방안 연구)

  • Choi, Woo-Chul;Kim, Tae-Hoon;Youn, Joon-Hee
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.22 no.3
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    • pp.745-753
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    • 2021
  • Recently, a large fire occurred in a multi-use facility used by a large number of citizens, including the vulnerable, resulting in a lot of injuries and damages. Although several pilot studies have been conducted to reduce such incidents, the development of advanced disaster response technology using the latest spatial information and IoT technology is still insufficient. In this study, a pilot test bed is built to demonstrate detailed technologies derived through the first stage of realistic fire management technology research for the development of applied technology in the field. In detail, the building conditions and candidate sites of the test bed were first investigated and analyzed to derive satisfactory conditions and candidate target buildings. A second pilot test bed was then selected, and the necessary sensor and facility infrastructure were built to demonstrate the outcomes. Finally, a scenario was produced for technology verification, and a test bed system was developed. The pilot test bed is expected to contribute to verifying intermediate outcomes of realistic fire management research projects, enhancing the quality of the developed technologies.

Review of Clinical Research about Acupuncture for Spastic Hmiplegia after Stroke - Research on China Academic Journal (뇌졸중 후 경련성 편마비의 침치료에 대한 최신 임상 연구 동향 - CAJ 검색을 중심으로)

  • Jo, Myeong Jae;Kim, Da Hye;Kim, Seon U;Park, Cheol U;Kim, Young Kwang;Jang, Hye Yeon;Kim, Min Uk
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.35 no.1
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    • pp.28-35
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    • 2021
  • To analyze the clinical efficacy of acupuncture for spastic hemiplegia after stroke, this study was accomplished by considering Randomized Controlled Trials. We searched for papers that performed acupuncture for spastic hemiplegia after stroke in the China Academic Journal of the China National Knowledge Infrastructure, from January 1, 2017 to June 30, 2020. In total, 23 reports were included in this review. There are 18 studies conducted with more than 50 subjects and less than 100 subjects. The largest number of treatment was 20 times. 28days(4weeks) was the largest number of treatment period, which accounted 10 studies. The most frequently used evaluation index was The Fugl-Meyer Assessment(FMA) and Clinical Efficacy, each used 21 times and 17 times. The most frequently used acupuncture point was LI3, which was used 13 times. The retention time was 30 minutes and 11 studies were conducted. Western medicine treatment was the most common control group in 15 studies. Most of studies showed result of the intervention group was statistically significant, compared with the control group. These results suggest that acupuncture for spastic hemiplegia after stroke was effective and it was statistically more significant than the control group. However, it is difficult to confirm a conclusion, because the quality of most of studies was low.

A Study on the Feasibility Analysis of AI CARE Design Graphic Planning through Modern Design Trend Analysis -Focusing on AI CARE BED part-by-part analysis and design proposal- (현대 디자인 트랜드 분석 통한 AI CARE 디자인 그래픽 기획에 관한 타당성 분석에 관한 연구 -AI CARE BED 파트별 분석과 디자인 제안을 중심으로-)

  • Cho, Hyun Kyung
    • The Journal of the Convergence on Culture Technology
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    • v.7 no.3
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    • pp.599-604
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    • 2021
  • In an era where AI artificial intelligence converges into each field, design of AI-CARE function and UI UX design are in the spotlight. The application of shape design and the trend of color are important for visual effects to match new features. In this paper, we would like to use this to present an example of the arrangement and application of form trends and to present design directions. In the introduction, the latest design environmental factors were analyzed and studied in the direction of the new proposal. In the text, the design direction and consideration of the design in the planning were studied by separating the functional design form, and the direction of the design work was presented. At the stage of form and color, a plan was proposed to match the flow of minimalism, universal design, and affordance design. A study method based on case practice is a consideration of how to consider content on shapes and colors specialized in the partial design work, and proposed to enable graphic production of new areas of UI UX in content images to be feasible. Through this study, the design direction and planning of the derivative method of shape and color was reached by suggesting design directionality and validity for each AI CARE bed PART.

Design and Implementation of Modbus Communications for Smart Factory PLC Data Collection (스마트팩토리 PLC 데이터 수집을 위한 Modbus 통신 설계 및 구현)

  • Han, Jin-Seok;Yoo, Jae-Soo
    • The Journal of the Korea Contents Association
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    • v.21 no.4
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    • pp.77-87
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    • 2021
  • Smart Factory refers to a factory that can be controlled by itself with an intelligent factory that improves productivity, quality and customer satisfaction by combining the entire process of manufacturing and production with digital automation solutions. The manufacturing industry around the world is rapidly changing, with Germany, Europe, and the United States at the center. In order to cope with such changes, the Korean government is also implementing a policy to spread the supply of smart factories for small and medium-sized companies, and related ministries and agencies such as the Ministry of Commerce, Industry and Energy, the Ministry of SMEs and Venture Business, the Korea Institute of Technology and Information Promotion, and local technoparks, as well as large companies such as Samsung, SK and LG are actively investing in smart manufacturing projects to support smart factories[1]. Factory Automation (FA) construction has many issues regarding the connection of heterogeneous equipment. The most difficult aspect of configuring various communications from various equipment is the reason. Although it may not be known if there are standards or products made up of the same company, it is not easy to build equipment that is old, up-to-date, and different use environments through a series of communications. To solve this problem, we would like to propose a method of communication using Modbus, one of FieldBus, which is one of the many industrial devices of PLC, a representative facility control system, and is used as a communication standard.

Long Range Forecast of Garlic Productivity over S. Korea Based on Genetic Algorithm and Global Climate Reanalysis Data (전지구 기후 재분석자료 및 인공지능을 활용한 남한의 마늘 생산량 장기예측)

  • Jo, Sera;Lee, Joonlee;Shim, Kyo Moon;Kim, Yong Seok;Hur, Jina;Kang, Mingu;Choi, Won Jun
    • Korean Journal of Agricultural and Forest Meteorology
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    • v.23 no.4
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    • pp.391-404
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    • 2021
  • This study developed a long-term prediction model for the potential yield of garlic based on a genetic algorithm (GA) by utilizing global climate reanalysis data. The GA is used for digging the inherent signals from global climate reanalysis data which are both directly and indirectly connected with the garlic yield potential. Our results indicate that both deterministic and probabilistic forecasts reasonably capture the inter-annual variability of crop yields with temporal correlation coefficients significant at 99% confidence level and superior categorical forecast skill with a hit rate of 93.3% for 2 × 2 and 73.3% for 3 × 3 contingency tables. Furthermore, the GA method, which considers linear and non-linear relationships between predictors and predictands, shows superiority of forecast skill in terms of both stability and skill scores compared with linear method. Since our result can predict the potential yield before the start of farming, it is expected to help establish a long-term plan to stabilize the demand and price of agricultural products and prepare countermeasures for possible problems in advance.

Effects of Participation in Non-face-to-face Daily Science Class on Elementary School Students' Perception of Science and Scientific Competency (비대면 생활과학교실 참여가 초등학생들의 과학기술에 대한 인식 및 과학적 역량에 미치는 영향)

  • Choi, Kyoulee;Oh, Yoonjeong;Lee, Sun-Mi;Zhang, Mi-Hwa;Lee, Mihyoung;Cho, Kyung-suk
    • Journal of Science Education
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    • v.46 no.1
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    • pp.40-52
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    • 2022
  • Daily science classes, which have been continued as part of the spread of participatory science culture, has taken the lead in popularizing science as an effective out-of-school experiential and research activity. However, due to the recent COVID-19 situation, daily science classes have also become an environment in which there is no choice but to switch to non-face-to-face or to combine face-to-face and non-face-to-face education. Therefore, in this study, we examine how elementary school students participating in the non-face-to-face daily science class program change their usual fields of interest, perception of science and technology, interest about science, and scientific competency. In addition, the educational effectiveness of the non-face-to-face daily science class improved by comparing the differences in perceptions of students and parents, and future operation plans were sought. As a result of the study, after participating in the non-face-to-face daily science class program, students' interest in science and technology development, future technology, environmental pollution, and social media increased, and their interest in games decreased. Also, students' interest in science and technology activities, interest in science, and scientific competency also increased. This shows that non-face-to-face daily science class education is effective. Therefore, it was suggested that it is necessary to diversify the learning topics and content levels of the daily science class program, to expand the opportunities of non-face-to-face science education for underprivileged learners, and to develop and share science content using the latest media.

Transcriptional Regulation of Lipogenesis and Adipose Expansion (Lipogenesis와 adipose expansion의 전사조절)

  • Jang, Younghoon
    • Journal of Life Science
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    • v.32 no.4
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    • pp.318-324
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    • 2022
  • PPARγ and C/EBPα are master adipogenic transcription factors (TFs) required for adipose tissue development. They control the induction of many adipocyte genes and the early phase of adipogenesis in the embryonic development of adipose tissue. Adipose tissue continues to expand after birth, which, as a late phase of adipogenesis, requires the lipogenesis of adipocytes. In particular, the liver and adipose tissues are major sites for de novo lipogenesis (DNL), where carbohydrates are primarily converted to fatty acids. Furthermore, fatty acids are esterified with glycerol-3-phosphate to produce triglyceride, a major source of lipid droplets in adipocytes. Hepatic DNL has been actively studied, but the DNL of adipocytes in vivo remains not fully understood. Thus, an understanding of lipogenesis and adipose expansion may provide therapeutic opportunities for obesity, type 2 diabetes, and metabolic diseases. In adipocytes, DNL gene expression is transcriptionally regulated by lipogenesis coactivators, as well as by lipogenic TFs such as ChREBP and SREBP1a. Recent in vivo studies have revealed new insights into the lipogenesis gene expression and adipose expansion. Future detailed molecular mechanism studies will determine how nutrients and metabolism regulate DNL and adipose expansion. This review will summarize recent updates of DNL in adipocytes and adipose expansion in terms of transcriptional regulation.

A Study on Development of SKOS-based Metadata Elements for Managing Keywords in the National Science and Technology Standard Classification System (국가과학기술표준분류체계 용어 관리를 위한 SKOS 기반 메타데이터 요소 개발 연구)

  • Song, Min Sun;Park, Jin Ho
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.32 no.4
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    • pp.67-88
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    • 2021
  • The National Science and Technology Standard Classification System is established and operated for the purpose of efficiently managing science and technology related information, manpower, and R&D projects. The revision cycle for the classification system is five years, and 2022 is the first year of the next revision procedures. The main purpose of the next revision is to turn the third level categories into the keywords in the current classification system. It is to solve the problems about not reflecting the latest terms, and the difficulty in linking with the relevant other classifications caused by the rigid structure of the current classification system. In this study, the method was proposed by changing the existing classification system into the term management system as to improve the quality and usability of keywords related with the current third level categories. For this method, SKOS, the international standard terminology management system, and ISO/IEC 11179 standards were offered as basic models. In addition, the related metadata standards used in overseas scientific and technological glossaries were investigated, and compared with the current National Science and Technology Standard Classification System. And then essential metadata elements from the terminology management as point of view was derived. As a result, 11 standard metadata elements that can be immediately modified and applied in the current system were recommended, and five elements that can be applied after the revision of the classification system were offered.

Research Trends of Randomized Controlled Trial Studies on the Herbal Treatment of Avascular Necrosis of the Femoral Head Using China National Knowledge Infrastructure Database (대퇴골두 무혈성 괴사의 탕약 치료에 대한 무작위대조군 연구의 최신 경향 분석: 중국지망(中國知網) 검색을 중심으로)

  • Kim, Hyeon-Jin;Ahn, Jae-Young;Shin, Na-Young;Koh, Ah-Ra;Lee, Young-Jin;Park, Jae-Eun;Lee, Min-Cheol;Jeon, Myung-Kyu;Kim, Hyun-Woo;Jo, Hye-Jeong;Chae, Go-Eun;Nam, Hye-Jin
    • Journal of Korean Medicine Rehabilitation
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    • v.32 no.3
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    • pp.37-53
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    • 2022
  • Objectives This study was conducted to investigate a randomized controlled trial study on the clinical treatment of herbal medicines for avascular necrosis of the femoral head. Methods By March 2022, the China National Knowledge Infrastructure (CNKI) was reviewed about randomized controlled trial studies on the herbal treatment of avascular necrosis of the femoral head through. The publication year, evaluation criteria, treatment period, treatment method and effectiveness were analyzed for articles published from 2017 to 2022. Results 16 articles were selected and 14 kinds of herbal medicines were used. In most studies, Western medical treatments such as injection therapy, oral drug administration, traction therapy and mid-frequency electric therapy were treated alone in the control group, and a combination of Western medical treatment and herbal treatment was administered to the experimental group. Conclusions In China, there have been many studies on herbal treatment for avascular necrosis of the femoral head. In Korea, more clinical studies on the herbal treatment of avascular necrosis of the femoral head are needed. This study will be helpful for future research in Korean medicine on avascular necrosis of the femoral head.

Recent Research Trends in Thioredoxin Reductase-targeted Anticancer Therapy (Thioredoxin reductase를 표적으로 하는 항암 최신 연구 동향)

  • Hwangbo, Hyun;Lee, Hyesook;Cheong, JaeHun;Choi, Yung Hyun
    • Journal of Life Science
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    • v.32 no.1
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    • pp.63-69
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    • 2022
  • The thioredoxin reductase (TrxR) system is essential for cell survival and function by playing a pivotal role in maintaining homeostasis of cellular redox and regulating signal transduction pathways. The TrxR system comprises thioredoxin (Trx), TrxR, and nicotinamide adenine dinucleotide phosphate. Trx reduced by the catalytic reaction of the TrxR enzyme reduces downstream proteins, resulting in protection against oxidative stress and regulation of cell differentiation, growth, and death. Cancer cells survive by improving their intracellular antioxidant capacity to eliminate excessively generated reactive oxygen species (ROS) due to infinite cell proliferation and a high metabolic rate. Therefore, cancer cells have high dependence and sensitivity to antioxidant systems, suggesting that focusing on TrxR, a representative antioxidant system, is a potential strategy for cancer therapy. Several studies have revealed that TrxR is expressed at high levels in various types of cancers, and research on anticancer activity targeting the TrxR system is increasing. In this review, we discuss the feasibility and value of the TrxR system as a strategy for anticancer activity research by examining the relationship between the function of the intracellular TrxR system and the development and progression of cancer, considering the anticancer activity and mechanism of TrxR inhibitors.