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전체 선택해제
총 1,249건 검색
본문검색 결과만 보기
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Development and Application of an Experience Activity Task related to New and Renewable Energies and Energy Conversion in Middle School Technology and Home Economics
Dong-Yeon Park, Kyung Taek Lee 한국교원대학교 뇌기반교육연구소 Brain, Digital, & Learning 14 Pages
한국교원대학교 뇌기반교육연구소 Brain, Digital, & Learning 2018, 제 8권 제 4호 3 165-178 (14 pages)
in the unit of energy and transportation technology of middle school technology and home economics. In the preparation stage for the development of this experience task, the 2015 revised curriculum and relevant researches were reviewed to establish achievement standards and instructional goals, and the content of the textbook energy and transportation technology were analyzed. In the development stage, first, the ‘temperature difference generator’ and ‘electric refrigerator’ using... -
Comparative Analysis of a Competitive Technology for Major Future Energy Resources
Koo. Young-Duk, Kim. Eun-Sun, Park. Young-Seo 한국해양정보통신학회 International journal of maritime information and communication sciences 4 Pages
한국해양정보통신학회 International journal of maritime information and communication sciences 2005, Vol.3 No.2 101-104 (4 pages)
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Key Manufacturing Technology & Equipment for Energy Saving and Emissions Reduction in Mechanical Equipment Industry
Shan. Zhongde, Qin. Shaoyan, Liu. Qian, Liu. Feng 한국정밀공학회 International journal of precision engineering and manufacturing 6 Pages
한국정밀공학회 International journal of precision engineering and manufacturing 2012, Vol.13 No.7 1095-1100 (6 pages)
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Energy Consumption Reduction Technology in Manufacturing - A Selective Review of Policies, Standards, and Research
Park. Cheol-Woo, Kwon. Kye-Si, Kim. Wook-Bae, Min. Byung-Kwon, Park. Sung-Jun, Sung. In-Ha, Yoon. Young-Sik, Lee. Kyung-Soo, Lee. Jong-H 한국정밀공학회 International journal of precision engineering and manufacturing 23 Pages
한국정밀공학회 International journal of precision engineering and manufacturing 2009, Vol.10 No.5 151-173 (23 pages)
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Piezoelectric Energy Generation Technology
송현철, 강종윤, 윤석진, Song. Hyeon-Cheol, Gang. Jong-Yun, Yun. Seok-Jin 한국전기전자재료학회 전기전자재료 9 Pages
한국전기전자재료학회 전기전자재료 2010, Vol.23 No.9 28-36 (9 pages)
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Model of Water, Energy and Waste Management for Development of Eco-Innovation Park ; A Case Study of Center for Research of Science and Technology "PUSPIPTEK," South Tangerang City, Indonesia
Setiawati. Sri, Alikodra. Hadi, Pramudya. Bambang, Dharmawan. Arya Hadi 세계과학도시연합 World technopolis review : WTR 8 Pages
세계과학도시연합 World technopolis review : WTR 2014, Vol.3 No.2 89-96 (8 pages)
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Electrical Properties of Renewable Energy Carbon Film for Light Source Technology
이상헌, Lee. Sang-Heon 대한전기학회 전기학회논문지. The transactions of the Korean Institute of Electrical Engineers. C/ C, 전기물성·응용부문 3 Pages
대한전기학회 전기학회논문지. The transactions of the Korean Institute of Electrical Engineers. C/ C, 전기물성·응용부문 2005, Vol.54 No.12 558-560 (3 pages)
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THEORETICAL INVESTIGATION OF SOLAR ENERGY HIGH TEMPERATURE HEAT STORAGE TECHNOLOGY BASED ON METAL HYDRIDES
Meng. Xiang-Yu, Bao. Ze-Wei, Yang. Fu-Sheng, Zhang. Zao-Xiao 대한설비공학회 International journal of air-conditioning and refrigeration 10 Pages
대한설비공학회 International journal of air-conditioning and refrigeration 2011, Vol.19 No.2 149-158 (10 pages)
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Cellular uptake of magnetic nanoparticle is mediated through energy-dependent endocytosis in A549 cells
Jun-Sung Kim, Tae-Jong Yoon, Kyeong-Nam Yu, Mi Suk Noh, Minah Woo, Byung-Geol Kim, Kee-Ho Lee, Byung-Hyuk Sohn, Seung-Bum Park, 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2006, 제 7권 제 4호 3 321-326 (6 pages)
cells were pretreated with different metabolic inhibitors. Our results revealed that low temperature disturbed the uptake of magnetic nanoparticles into the cells. Metabolic inhibitors also prevented the delivery of the materials into cells. Use of TEM clearly demonstrated that uptake of the nanoparticles was mediated through endosomes. Taken together, our results demonstrate that magnetic nanoparticles can be internalized into the cells through an energy-dependent endosomal-lysosomal mechanism. -
Effects of Protein Source and Energy Substrates on the In Vitro Development of Bovine Embryos in a Two-step Culture System
Kwang-taek Lim, Byeong-chun Lee, Sung-keun Kang, Woo-suk Hwang 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2003, 제 4권 제 1호 11 73-78 (6 pages)
In this study, we examined the effects of a two-step culture system, which involves the use of different culture media for early cleavage and later stage embryos, on the in vitro development of bovine embryos. We also investigated the effect of glucose, phosphate and citrate on the in vitro early developmental period of bovine embryos in a two-step culture system. Moreover, the supplementation of different protein sources (BSA-V, BSA-FAF and FBS) during IVC did not affect the frequency of... -
Fast Handoff in Wireless Communication Technology
Ranbeer Tyagi, Hye-jin Kim 인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 17 Pages
인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 2016, 제 6권 제 12호 51 569-585 (17 pages)
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Design and Simulation of Foundation Technology for Zigbee-based Smart Grid Home Network System using OPNET Simulation
Jun-Ho Huh, Seung-Mo Je, Kyungryong Seo 인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 9 Pages
인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 2015, 제 5권 제 4호 10 81-89 (9 pages)
results showed that the Mobile WiMAX has a better capability than Zigbee, the latter has more advantages in terms of scalability and the possibility of reducing the battery size as it features low-cost and low-power characteristics. As a standard technology for the low-cost and low-power oriented networks, the scalability can be achieved by its low-cost characteristic (i.e., many Zigbee equipments can be installed widely) and the size of battery can be reduced its low-power use characteristic.... -
A Study on Students' Understanding of Appropriate Technology
Han Seungho, Kim Namsoo, Moon Jihyun 에너지기후변화교육학회 에너지기후변화교육 13 Pages
에너지기후변화교육학회 에너지기후변화교육 2017, 제 7권 제 1호 1 1-13 (13 pages)
technology, which is not value-neutral, but directed towards environmental protection and local sustainable development. To this end, as part of an education programme for appropriate technology, a specific activity of evaluating appropriate technology was developed, where participating students took time to learn about the major features of four appropriate technologies such as renewable energy and energy-efficient ones, and try to use them so as to better understand those features. They then... -
Renewable Energy Education: An Example of Implementation
Park DoYong, Jo Jin 에너지기후변화교육학회 에너지기후변화교육 17 Pages
에너지기후변화교육학회 에너지기후변화교육 2011, 제 1권 제 1호 10 89-105 (17 pages)
curriculums and activities for renewable energy education, this paper introduced an instruction of wind energy, as an example, based on a 4E × 2 instructional theory in K-12 classroom settings. Third, as the education of renewable energy is often provided as a project, this paper introduced one project to see how K-12 education about the renewable energy is implemented in schools. Suggestions are made to promote the development of a good curriculum for renewable energy education at the end. -
Effects of Long- and Short-term Consumption of Energy Drinks on Anxiety-like, Depression-like, and Cognitive Behavior in Adolescent Rats
Lee Joo Hee, Lee Jong Hyeon, Choi You Jeong, Kim Youn Jung 한국기초간호학회 Journal of Korean Biological Nursing Science 8 Pages
한국기초간호학회 Journal of Korean Biological Nursing Science 2020, Volume 22, No 2 5 111-118 (8 pages)
Purpose: The purpose of this study was to understand the impact of long- and short-term energy drinks on anxiety-like, depressionlike, and cognitive behavior in adolescent rats. Methods: Adolescent rats (age six weeks) were randomly classified into a control group (CON), a long-term administration group (LT), and a short-term administration group (ST). The LT group was orally administered 1.5 mL/100 g (body weight) of energy drink twice daily for 14 days, the ST group was orally administered for... -
Barriers and Motivators to Technology Use among Older Adults : Implications for motivating healthy lifestyle
Kyungo Kim, Wonseok Choi 한국웰니스학회 한국웰니스학회지 16 Pages
한국웰니스학회 한국웰니스학회지 2014, 제 9권 2호 13 153-168 (16 pages)
be ‘early adopters” and those who were not. Technology design, as well as interface, and appropriate technological education also emerged as factors that might influence technology anxiety and perceived complexity. The findings of this study contribute to our understanding of the interaction between older individuals and diverse types of technologies. For future studies in the field of Kinesiology, it should be worthwhile and meaningful to attempt to explore older adults’ perspectives toward... -
Rate-capability response of graphite anode materials in advanced energy storage systems: a structural comparison
Umer Farooq, Chil-Hoon Doh, Syed Atif Pervez, Doo-Hun Kim, Sang-Hoon Lee, Mohsin Saleem, Seong-Ju Sim, Jeong-Hee Choi 한국탄소학회 Carbon Letters 6 Pages
한국탄소학회 Carbon Letters 2016, Vol.17 No.1 6 39-44 (6 pages)
The work presented in this report was a detailed comparative study of the electrochemical response exhibited by graphite anodes in Li-ion batteries having different physical features. A comprehensive morphological and physical characterization was carried out for these graphite samples via X-ray diffraction and scanning electron microscopy. Later, the electrochemical performance was analyzed using galvanostatic charge/discharge testing and the galvanostatic intermittent titration technique for... -
A New Model and Equation Derived From Surface Tension and Cohesive Energy Density of Coagulation Bath Solvents for Effective Precipitation Polymerization of Acrylonitrile
YouZhou, LiweiXue, KaiYi, LiZhang, SeungKonRyu, RiGuangJin 한국탄소학회 Carbon Letters 5 Pages
한국탄소학회 Carbon Letters 2012, Vol.13 No.3 9 182-186 (5 pages)
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Necessity of Development on New Types of Activated Carbons for Advanced Drinking Water Purification Technology
Ji-Il Kim, Young-Ha Kim, Dong-Il Jang, Ki-Ho Jung , Soo-Jin 한국탄소학회 Carbon Letters 9 Pages
한국탄소학회 Carbon Letters 2010, Vol.11 No.4 13 357-365 (9 pages)
최근 국내의 산업화 및 공업화가 가속됨에 따라 주요 상수 원의 수질이 급속히 나빠지면서 강 하류지역의 수질이 3급수 이하로 떨어져 일반적인 정수방법으로는 오염물질의 제거가 어렵고, 1989년 이후 중금속, trihalomethanes (THM), 페놀, 벤 젠 등 각종 수돗물 유기물질 오염사고가 다발하면서 낙동강을 원수로 하는 정수장에서 우선적으로 고도정수시설을 도입하게 되었다 [1]. 기존의 정수처리 시설은 응집침전, 여과, 염소처리 로 구성되어 있으며, 이를 청정한 원수의 처리를 목적으로 하 는 ‘재래식 정수처리 공정(conventional... -
Exploring Technology System Through House Building Activity
Lee Choon-Sig 경인교육대학교 교육연구원 교육논총 20 Pages
경인교육대학교 교육연구원 교육논총 2017, 제 37권 제 2호 13 259-278 (20 pages)
is based on the results of the output, and is defined as feedback to the input and process stages when the problem occurs. Second, feedback in the technology system must be provided immediately and in correlation with each other. Because of the nature of the construction technology, if the feedback is done after the output, it takes considerable time and expense to go back and modify it. Finally, the interaction feedback in the technology system may be applied to other areas of technology. -
Present Status and Prospects on Thermal Conversion Technologies for ‘Waste and Biomass to Energy’
Yong-Chil Seo 한국열환경공학회 한국열환경공학회 학술대회지 2 Pages
한국열환경공학회 한국열환경공학회 학술대회지 2014년 춘계 6 46-47 (2 pages)
The demand for renewable energy is increasing due to the shortage of energy supply and anticipated global warming due to greenhouse gas emissions from fossil energy plants. In this regard, the significance of WtE (Waste to Energy) in terms of both technology and policy has been significant in recent years. In fact, WtE technology that produces energy from byproducts and garbage already has a potential to cover around 80% of total renewable energy generated in Korea. The waste and biomass with... -
Utilizing Appropriate Technology for Development Cooperation with Africa
Young-HoPark, YejinKim, Jong-MoonJang, YooKyoungKwon 대외경제정책연구원 World Economy Brief 7 Pages
대외경제정책연구원 World Economy Brief 2015, 제 15권 5 1-7 (7 pages)
agriculture, energy, water and sanitation. Little improvement in agricultural productivity and post-harvest loss in addition to climate change risks threaten Africa's food security. Africa is also faced with an energy crisis that challenges the health and environmental conditions, especially in the rural areas. Lack of access to clean water and sanitation facilities is one of the main causes in the expansion of preventable diseases. Recent developments in understanding the need for appropriate...
