• Title/Summary/Keyword: Scientific Movement

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User Acceptance of a Light-Emitting Diode Vest for Police Officer

  • Han, Hyunjeong;Park, Huiju;Jeon, Eunkyung
    • Fashion & Textile Research Journal
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    • v.15 no.5
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    • pp.834-840
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    • 2013
  • This study aims to suggest practical considerations for designing protective clothing with increased visibility that will have higher user acceptance by law enforcement officers. Light-emitting diode(LED) patrol vests were visually and structurally assessed, and 125 police officers' responses from surveys about user acceptance of the vest were analyzed. The current LED patrol vest was designed for enhanced safety of police officers by increasing visibility in the dark. However, the user acceptance rate of the LED patrol vest indicates low use of and low satisfaction with the vest despite its enhanced safety features. In particular, differences in materials, design, functionality of the pockets and size of the vest depending on the hours worked, were statistically significant. The police officers' responses suggest areas of improvement in design, materials, ease of movement, size and functionality. Key issues include 'tactile discomfort'; 'impeded vision from the glare of the LED'; 'frequent malfunctions of the LED'; 'impossible repair of the broken LED units'; 'no user feedback'; 'inconvenient to replace batteries'; 'brittle materials' and 'unpleasing look'. To increase user acceptance, designer should incorporate context-awareness, a convenient user interface, a modular design approach, first responders' self-image as public servants in relation to their aesthetic perspectives of their uniforms, and scientific evaluation of the effectiveness of the intended functions of the clothing. Suggested implications for designing the LED patrol vest can be applied to designing other functional/protective clothing for intended end users with special needs.

Remediation of Contaminated Soil and Groundwater in Korea: Suggestions for Progress (국내 토양과 지하수 오염 복원사업에 대한 고찰)

  • Lee S. Y.;Lee Chae-Young;Kim Doo-Il
    • 한국지구물리탐사학회:학술대회논문집
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    • 2001.09a
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    • pp.23-33
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    • 2001
  • Soil and groundwater contamination is an emerging national issue in recognition of the potential adverse impact to human health and ecosystem. In a recent registration, property owner's liability was addressed on the damages to neighbor's soil and groundwater caused by contaminant-plume migration. Soil and groundwater remediation is a technical and engineering project. But, the scientific and technical solutions for the project have been greatly influenced by social and political movement in the country. Governmental sectors, including local and central, should actively engage on this important issue through long-term planning and public investments. Government made regulations to prevent soil and groundwater contamination, not to punish private sector that has no technical and financial capability for solving such problems.

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Effect of Aerobic Exercise on Cognitive Functions in Childen and Adolescents : A Review (유산소 운동이 소아 및 청소년의 인지기능에 미치는 영향 : 문헌고찰)

  • Kang, Kyoung Doo;Cho, Jung Hwan;Han, Doug Hyun
    • Journal of the Korean Academy of Child and Adolescent Psychiatry
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    • v.26 no.3
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    • pp.143-148
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    • 2015
  • The purpose of this review was to investigate the relationship between aerobic exercise and cognitive function as well as synthesize the effect of aerobic exercise intervention studies centered on psychiatric symptoms associated with general cognitive deficit. Prospective studies on aerobic exercise and improvement of cognitive function were reviewed and synthesized. In addition, this literature review provides significant positive results on the relationship between aerobic exercise and general cognitive deficit associated with psychiatric symptoms. Review of this literature suggests that there is a positive relationship between participation in aerobic exercise and cognitive function. In this text, there are at least three general pathways by which aerobic exercise may facilitate executive function in children : 1) cognitive demands inherent in engaging in physical activity, 2) cognitive demands inherent in cooperation of complex motor tasks, and 3) physiological changes resulting from aerobic exercise. Another main finding of this review is that physical activity has a stronger influence on cognitive deficit, including attention-deficit hyperactivity disorder, depression, and anxiety. Development of cognitive function is the most important factor for children and youth. Therefore, future research should prove relationship between physical activity and cognitive function using a more scientific and quantitative approach design.

The Movement and Desirable Direction of Developing Beverages using Traditional Ingredients (전통 소재 음료의 개발 동향 및 바람직한 개발방향)

  • 조운호
    • Proceedings of the Korean Society of Postharvest Science and Technology of Agricultural Products Conference
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    • 2002.08a
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    • pp.99-108
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    • 2002
  • Since the introduction of carbonated drinks in the 1950s, 'cola' and 'cider'along with orange juice, the dominator of the juice market, have been two main streams of the Korean beverage market. This market pattern has caused the following effects; a. Economical loss due to the import of foreign brands - royalty payments to x company. b. Loss of opportunity to develop a domestic beverage market. c. Inflow of an unfiltered foreign culture. This study shows a change in the Korean beverage market. In the 1980s. consumers' tastes started to change as a trend of developing beverages using traditional Korean ingredients started to begin. On the basis of this change, I would like to discuss the desirable path in developing beverages using traditional ingredients. 'Traditional ingredients'refers to the ingredients that the Korean people have enjoyed within the course of their life, whether it be via food or beverage. These ingredients have been chosen by our people as first rate for centuries. How to modernize and develop these work-in-progress products is the desirable direction for the development of drinks using traditional Korean ingredients. This study also shows various examples of how Korean traditional ingredients and the Western scientific civilization can fuse together to develop a modern and value-added product. One project in particular, created a method of producing a beverage using rice a simple traditional ingredient, marking it a hit product. Through this example, I present the desirable direction of how to develop a modernized drink using traditional ingredients that can change both the consumers' current value on the Korean beverage market as well as create a new pattern of consumer tastes.

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A Curriculum Design of Computer Application Department for Non-Commissioned Officers (직업군인을 위한 컴퓨터응용학과 교과과정 설계)

  • Choi, Chul-Jae;Joo, Seok-Hum
    • The Journal of the Korea institute of electronic communication sciences
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    • v.9 no.5
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    • pp.583-588
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    • 2014
  • The purpose of this paper is to develop curriculum for the Department of Computer Application Based Army Contracts. Because the Army contract department is a retraining undergraduate degree program targeting noncommissioned officers in service, its curriculum has no choice but to differ from those of other departments. The curriculum of the Department of Computer Application focuses on the reeducation of noncommissioned officers in service and consumers of education. In addition to the subjects related to the scientific and informational movement of the military, the subjects needed to qualify for the second-degree military counsellor certificate are reflected in the curriculum, which is a first for regular universities. The appropriate curriculum of the Department of Computer Application will be proposed including subjects for noncommissioned officers to cultivate leadership skills for managing subordinates and various subjects road map of department specializations will be also developed.

Location-based Frequency Interference Management Scheme Using Fingerprinting Localization Algorithms (Fingerprinting 무선측위 알고리즘을 이용한 영역 기반의 주파수 간섭 관리 기법)

  • Hong, Aeran;Kim, Kwangyul;Yang, Mochan;Oh, Sunae;Jung, Hongkyu;Shin, Yoan
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.37C no.10
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    • pp.901-908
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    • 2012
  • In an intelligent automated manufacturing environment, an administrator may use M2M (Machine-to-Machine) communication to recognize machine movement and the environment, as well as to respond to any potential dangers. However, commonly used wireless protocols for this purpose such WLAN (Wireless Local Area Network), ZigBee, and Bluetooth use the same ISM (Industrial Science Medical) band, and this may cause frequency interference among different devices. Moreover, an administrator is frequently exposed to dangerous conditions as a result of being surrounded by densely distributed moving machines. To address this issue, we propose in this paper to employ a location-based frequency interference management using fingerprinting scheme in industrial environments and its advanced localization schemes based on k-NN (Nearest Neighbor) algorithms. Simulation results indicate that the proposed schemes reduce distance error, frequency interference, and any potential danger may be responded immediately by continuous tracing of the locations.

Studies on the Redefinition of Terrestrial Navigation's Basic Terms - mainly on course and heading - (지문항해학 학술용어 개념정립에 관한 연구 - 침로와 선수방향을 중심으로 -)

  • Moon, Serng-Bae;Jun, Seung-Hwan
    • Journal of Navigation and Port Research
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    • v.36 no.8
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    • pp.619-624
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    • 2012
  • In 1969, Y.J. Yun wrote the terrestrial navigation text book that discussed earth sciences, aides to navigation, chart and publications, tide and tidal current, piloting, rhumb-line sailing, great circle sailing grounded on the hand-on background and theory. It has still been used as a principle text book in a lot of maritime academies and schools. And many contents and definitions came from other terrestrial navigation books published in the United States of America, the United Kingdom, and Japan. But some of them have caused the misunderstanding because they had no enough explanation and explained by incorrect items. In this study, we have found out the problems in the terms course and heading which are related with the direction of the vessel movement, and proposed the amended definitions in order to prevent the misunderstanding and confusion. of them.

A Critical Review of Foot Orthoses in Normal and Diseased Foot (정상의 발과 병적인 발에서 발보조기 연구의 비판적 고찰)

  • Kim, Seung-Jae;Kim, Jang-Hwan;Tack, Gye-Rae;Bae, Sang-Woo;Park, Yeong-Ki
    • Korean Journal of Applied Biomechanics
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    • v.17 no.3
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    • pp.81-94
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    • 2007
  • The purpose of this study was to critically review biomechanical studies on foot orthoses (FO) in normal and diseased foot and provide beneficial information obtained from researches until now and future researching focus. The search was performed by Medline and Embase database including studies published in English from January 1980 to April 2007. The searching terms were foot orthoses, foot orthotics, insoles and shoe insert. 57 studies including 54 journal articles and 3 abstracts were finally selected under the conditions of having clinical trials, FO, control condition, movement, scientific measuring system. The reviewed studies were divided into 10 categories according to subject characteristics; healthy normal, excessive pronation or flexible flat foot, rheumatoid arthritis, diabetes, medial knee osteoarthritis, forefoot varus, plantar fasciitis, patellofemoral syndrome, cavus foot and finite element model. In summary, first, soft and semirigid FOs with some degree of cushioning showed much higher comfort and efficacy than rigid FO. Second, no big differences between prefabricated and custom FO were shown. Third, the full length's FO was preferable to the half length's FO or simple arch supports. Fourth, the wearing of FO combining medial arch supports and metatarsal dome made positive roles to enhance comfort and functionality and redistribute plantar pressure under the foot. Fifth, for patients with knee-related diseases lateral wedges were preferable. Sixth, measuring systems were properly applied according to the types of foot diseases.

Consolidation of marine clay using electrical vertical drains

  • Shang, J.Q.;Tang, Q.H.;Xu, Y.Q.
    • Geomechanics and Engineering
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    • v.1 no.4
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    • pp.275-289
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    • 2009
  • Electroosmosis (EO) is the movement of water in a porous medium under the influence of a direct current (dc). In past decades, electro-osmosis has been successfully employed in many soil improvement and other geotechnical engineering projects. Metal electrodes, such as steel, copper and aluminum have been used traditionally to conduct current. The shortcoming of these electrodes is that they corrode easily during an EO treatment, which results in reduced effectiveness and environmental concerns. More recently, conductive polymers are developed to replace metal electrodes in EO treatment. Electrical vertical drainages (EVDs) are one of these products under trial. The goal of this study is to assess the performance of EVDs for soil improvement and to further understand the scientific principle of the EO process, including the voltage drop at the soil-EVD interface, electrical current density, polarity reversal, and changes in soil physico-chemical properties generated by electroosmosis. It is found from the study that after 19 days of EO treatment with a constant applied dc electric field intensity of 133 V/m, the soil's moisture content decreased by 28%, the shear strength and pre-consolidation pressure increased more than 400%. It is also found that the current density required triggering the water flow in the soil tested, the Korean Yulchon marine clay, is 0.7 $A/m^2$. The project demonstrates that EVDs can serve as both electrodes and drains for soil improvement in short term. However, the EVDs, as tested, are not suitable for polarity reversal in EO treatment and their service life is limited to only 15 days.

The Importance of Moral Education from Sincerity in Doctrine of the Mean (『中庸』 「誠論」 對品德敎育之重要性)

  • Lee, Hsing-yuan
    • Journal of Korean Philosophical Society
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    • v.144
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    • pp.17-31
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    • 2017
  • In the beginning of the 21st century, UNESCO (The United Nations Educational, Scientific and Cultural Organization) thinks the key to the battle is "morality," and thus proposes the norm of ethic, morals and values. Not only have countries all over the world responded to the proposal, but we in Taiwan are also involved in the campaign, hoping through the new movement, the deviant values are to be modified. "Doctrine of the mean" is the best essence in Confucianism when it comes to the idea of government ruling by a virtuous king, who possesses sincerity, a crucial element to inspire better character. Moral teachings nowadays emphasize the fact that a person should own ethic virtue and behave accordingly. Only via constant practice and training can people obtain sincerity and virtues in the learning process, in which Confucianists rely mostly on self-discipline while more tactics are applied to modern education.