• Title/Summary/Keyword: 형성적 지표

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The Case Study : The Efficiency of Using UAV and 3D-model for Mine Reclamation Work Monitoring (무인항공기와 3차원 지표모델의 광해방지사업 모니터링에 대한 효율성 고찰)

  • Kim, Seyoung;Yu, Jaehyung;Shin, Ji Hye;Lee, Gilljae
    • Journal of the Mineralogical Society of Korea
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    • v.30 no.1
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    • pp.1-9
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    • 2017
  • This study investigated the effectiveness of Unmanned Aerial Vehicle (UAV) and 3D modeling on mine reclamation monitoring. The high spatial resolution of 3.8 cm ortho-mosaic image and Digital Elevation Model (DEM) are constructed based on UAV air survey. The ortho-mosaic image effectively shows mine reclamation activities and recognize objects and topological changes in the image. The comparative analysis of 3D models between UAV based DEM and report based DEM reveals that total amount of $268,672m^3$ additional dumping of contaminated soil is equivalent to 710,000 ton. It concludes that a UAV based survey enables high accuracy spatial information extraction for mine reclamation activities with high efficiency. It is expected that UAV survey will be very effectively used for preliminary data acquisition and project monitoring for mine reclamation activities.

Effects of brown rice-vegetable school meal program on subjective health status, BMI and hematological parameters among high school students (청소년 대상의 현미-채식 급식 프로그램이 주관적 건강상태, BMI 및 혈액지표에 미치는 효과)

  • Moon, Kyoung-Ja;Kim, Hye-Young
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.16 no.11
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    • pp.7385-7393
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    • 2015
  • This study aimed to identify the effect of brown rice-vegetable school meals program on the subjective health status, BMI and hematological parameters of high school students. This is a single group pre-post study design that includes 17 high school boys and 18 high school girls. Students were catered for lunch and dinner with brown rice and a vegetarian diet for 12 weeks at the school. The collected data on subjective health status, BMI levels and hematological parameters were measured in pre and post, and changes were compared by paired t-test. Subjective health status of the participants has improved and BMI was reduced. Blood Hct, Hb, Hct, total protein and albumin have also been reduced. Ca and triglyceride levels decreased in females. However, all levels were reduced within the normal range. These results show that brown rice-vegetable intake of high school students reduces weight and helps them prevent from acquiring cardiovascular diseases in adulthood through the reduction of serum triglyceride and in practicing healthy eating habits.

The Current Status and Issues of the Standards of the Public Library Service for the Disabled (공공도서관 장애인서비스 기준의 현황 및 과제)

  • Bae, Kyung-Jae
    • Journal of the Korean Society for Library and Information Science
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    • v.49 no.4
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    • pp.379-400
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    • 2015
  • The realistic guidelines of the library service for the disabled should be made in the circumstance of the growing importance of the library service for the disabled. Therefore, this study intended to draw implications through investigation of guidelines of the library service for the disabled on domestic and foreign libraries. As the results of those investigation, this research found that the legal standard and related guidelines should be amended urgently according to the current status of related library situation. The first Issue that was derived in this study is to separate consideration of the minimum standards and the detailed criteria of library service for the disabled. Secondly, the guidelines of the library service for the disabled should be linked statistics and evaluation index of government in order to be applied to the library spot realistically. To do so, this research suggested that opinions of the library for the disabled and the disabled users should be reflected through listening and communications.

The Study on Geology and Volcanism in Jeju Island (III): Early Lava Effusion Records in Jeju Island on the Basis of $^{40}Ar/^{39}Ar$ Absolute Ages of Lava Samples (제주도의 지질과 화산활동에 관한 연구 (III): $^{40}Ar/^{39}Ar$ 절대연대자료에 근거한 제주도 형성 초기 용암 분출 기록)

  • Koh, Gi-Won;Park, Jun-Beom
    • Economic and Environmental Geology
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    • v.43 no.2
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    • pp.163-176
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    • 2010
  • We report twenty data for early lavas erupted during the initial period of formation of Jeju Island on the basis of review on 539 data of whole-rock greochemistry and $^{40}Ar/^{39}Ar$ age dating out of mainly core samples from 69 boreholes drilled in the lower land since 2001 and 66 outcrop sites. Out of 69 boreholes, the early lava flow units are identified from samples collected from Beophocheon (EL 235 m, 210 m deep), Donnaeko (EL 240 m, 230 deep), Donghong-S (EL 187 m, 340 m deep), 05Donghong (EL. 187.6 m, 340 m deep), Dosoon (EL 305 m, 287 m deep), Sangye (EL 230 m, 260 m deep), Mureung-1 (EL 10.2 m, 160 m deep), and Gapa (EL 17.5 m, 92 m deep), which are located in the southern and southwestern portion of Jeju Island. While, the well-known outcrops from Sanbangsan, Wolrabong, Wonmansa, and Kagsubawi are also reconfirmed. $^{40}Ar/^{39}Ar$ age dating results of these lavas range from 1 Ma to 0.7 Ma, indicating that the data can be useful to constrain on age and geochemical characteristics of early lava effusion period in the formation of Jeju Island. Especially, samples with trachybasalt in composition collected from 143 m to 137 m, and from 135 m to 123 m below ground surface at 05Donghong hole have the oldest ages, $992\pm21$ Ka and $988\pm38$ Ka, respectively. This study suggests that in Jeju Island the first lava with trachybasalt in composition may have effused around 1 Ma ago, and the effusion style and chemical compositions of lavas must have changed to the formation of lava domes with trachyte-trachyandesite-basaltic trachyandesite and the eruption of lavas with alkali basalt and trachybasalt intermittently during the period from 0.9 Ma to 0.7 Ma ago. It also indicates that the initial lava flows below the ground are intercalated with or underlain by the Seoguipo Formation except for several exposed domal structure areas such as Sanbangsan and Kagsubawi, implying that the early lava effusion may have intermittently and sporadically occurred with nearby hydrovolcanism and sedimentation.

Comparison of Science Gifted and Ordinary Elementary School Students with Regard to the Concept of Groundwater (초등학교 과학영재학생과 일반학생의 지하수에 대한 개념 비교)

  • Lee, Hyong-Jae;Park, Sang-Tae
    • Journal of Gifted/Talented Education
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    • v.22 no.4
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    • pp.855-874
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    • 2012
  • This research aimed to obtain basic data for elementary school students to form proper concepts by comparing the science gifted students and the ordinary students of elementary school with regard to the groundwater concept, formation process, existence forms, and movement. The research subjects were 65 fifth and sixth graders of the elementary school students and the spatial ability test was conducted on the subjects, and 4 science gifted students and 8 ordinary students chosen from the subjects were analyzed using half-structured interview data and ground water drawing drawn by the students. The conclusion derived in accordance with the research purpose is summarized as follows. It was found that there were no great differences in the answers to the question asking what groundwater is between the science gifted elementary school students with high spatial ability and the ordinary elementary school students with moderate spatial ability. The ordinary students with low spatial ability tended to regard groundwater as the concept of water and sewage. In the concept of the formation process of groundwater, the science gifted elementary school students with high spatial ability explained it by citing diverse surface water such as rainfall, river water, lake, and waterfall, and the ordinary elementary school students with moderate spatial ability all mentioned only rainfall and river water and could not explain diverse spatial factors. The ordinary elementary school students with low spatial ability mentioned rainfall and river water and perceived that groundwater was formed artificially. In the concept regarding the existence form of groundwater, the ordinary elementary school students with low spatial ability could not think of space perception that small pore space exists in earth or soil in the ground. The science gifted elementary school students with high spatial ability knew that groundwater exists in pore space with regarding groundwater movement, the ordinary elementary school students with low spatial ability thought that there was no groundwater movement and that it could be moved only by artificial facilities. There were differences in the perception of pore space and in the perception of existence and non-existence of groundwater movement accordingly, but for most of the elementary school students, the concept of groundwater was formed differently from the scientific concept. It is considered that most of the elementary school students formed erroneous concept about groundwater and could not connect ground water under the surface of the earth with the substances forming its surroundings with regard to the concept of groundwater.

A Study on Realization of In-game Animation (인 게임 애니메이션의 실재화에 관한 연구)

  • Lee, Seon-Young
    • Cartoon and Animation Studies
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    • s.42
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    • pp.177-194
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    • 2016
  • This study investigated an evolutionary process of In-game Animation and researched on the action of realization establishing virtual reality. In-game Animation, functioning as contents to visualize games, is responsible for conveying information to achieve goals of games. In-game Animation which is affected by graphic technology was initiated with setting up indicators by dot and line. Followed by the development of technology, In-game Animation has pursued realization, after passing through processes of iconography, materialization, and dimensionalization. The realization of In-game Animation does not simply imitate the real world but creates meaning of reality by establishing space with various factors such as characters and background along with the story, under the premise of virtuality. The realization of In-game Animation is very important to provide the experience of immersion, as it forms a sense of presence through such visual tactility. The process to create meaning of reality provides gamers with experiences, and leads them to expand senses through visual perception and finally absorb the virtuality as reality. Therefore, the image of In-game Animation does not simply imitate the real world but creates meaning of reality by establishing space with various factors such as characters and background along with the story, under the premise of virtuality. The realization of In-game Animation is not limited to blindly portray a realistic image. In addition, the process of realization pursued by In-game Animation is an action to immerse in the game rather than a mere product of technological development.

A Study on Slope Safety Factor Variation by Pile Construction Depth and Space (억지말뚝 근입깊이 및 배치간격에 따른 사면 안전율 변화에 관한 연구)

  • Lee Seung-Ho
    • Journal of the Korean Geotechnical Society
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    • v.21 no.1
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    • pp.115-121
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    • 2005
  • At present, continual road constructions to connect from city to city are needed due to the geographical feature of Korea that about $70\%$ of the territory is mountainous area. Thus, the generation of large cut-slope has been inevitably formed. As a means of reinforcement on the cut-slope, in case of destructive disasters such as a snowstorm, pile embedment method is widely adopted. The pile embedment method is to resist possible move of soil by embedding piles from the surface to the immovable ground and then delivering the load from the piles to the immovable ground. In this study this writer analyzes the limitation of empirically used pile construction depth and its spacing through the numerical analysis. As a result, he suggests the most effective pile construction depth and space.

Estimation of Optimal Hydrological Parameter in Mountainous Terrain (산지지형에서의 최적 수문인자 산정)

  • Choi, Minha;Sur, Chanyang;Jung, Yong
    • 한국방재학회:학술대회논문집
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    • 2011.02a
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    • pp.169-169
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    • 2011
  • 토양수분의 시공간적 분포는 수문 및 침식 모형 등에 중요한 근거를 제공하는 동시에 사면에서의 증발과 강우형성, 강우로 내려온 물이 침투나 하천 유입 등으로 인해 다시 해수로 들어가는물 순환 과정을 이해하기 위한 수문과정의 중요한 요소이다. 최근 들어 토양수분에 대한 많은 연구가 진행이 되고 있지만, 토양수분을 직접 측정하는 과정이 매우 어렵기에 통계적인 방법을 통해 예측을 하는 경우가 많다. 그렇기에 이번 연구에서는 설마천과 청미천 유역의 토양수분 자료를 이용하여 통계적 방법 중에 하나인 시간안정도 분석을 실시하여 시공간적 변동성에 대해 해석하였다. 토양수분 자료의 유의성을 검토해 본 결과, 연구지역에서의 토양수분의 공간적 분포는 Gumbel 분포가 적합하다는 결과가 나왔고, 이로 인해 연구지역의 토양이 비 균질함을 알 수 있었으며, 시간 안정도 분석을 통해 유역을 대표하는 지점을 찾을 수 있었다. 각 유역의 대표성을 띄는 지점을 찾음으로써, 모든 측정 지점에서 측정해보지 않더라도, 유역의 전체적인 토양수분 값의 분포를 예측해 볼 수 있다. 이는 토양수분 자료를 이용하는 향후 연구에 많은 경제성과 효율성을 제시할 수 있다. 외부적인 환경요인이 토양수분의 변동성에 어느 정도의 영향을 미치는지에 대한 분석을 분산 분석과 Tukey's 분석으로 실시하였고, 점토질의 토양과 경사도가 토양수분 변동성에 영향을 미친다는 결과를 얻을 수 있었다. 경사도가 토양수분의 변동성에 영향을 미친다는 결과를 통해, 산지 지형이 많은 우리나라의 대표적인 지표 특성상 향후 연구에 기반이 될 것이다.

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Effects of Rapid Weight Loss on Body Composition and Heinz Body Formation in Middle-School Wrestlers (중학교 레슬링 선수의 단기간 체중 감량이 신체 구성과 적혈구 Heinz body 형성에 미치는 영향)

  • Kim, Jong-Oh;Kim, Young-Uk;Yoon, Jin-Hwan
    • Journal of Life Science
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    • v.16 no.6
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    • pp.884-889
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    • 2006
  • The purpose of this study was to examine the changes of body composition and heinz body blood component after 3 days rapid weight loss(5.16% of total body weight) through combined method with total food restriction and dehydration. The result were as follows: The average weight showed a significant difference between before and after rapid weight loss(p < .05). The percentage of body fat showed some decrease in average with $12.14{\pm}1.80\;(%)$ after weight decrement in an average of $12.68{\pm}1.69\;(%)$ before rapid weight loss, but the difference that noted did not show. The body fluid showed a significant difference between before and after rapid weight loss(p < .05). RDW, ESR, and Heinz body formation showed a significant increase after rapid weight loss. It was concluded that rapid weight loss techniques result in deleterious effects on body composition and red blood cell in middle school wrestler.

Effects of Liquefied Calcium Supplement on Bone Mineral Density in Middle-Aged Women (액상칼슘 섭취가 중년여성의 골밀도에 미치는 영향)

  • 정용진;김주남;서지형;김경은
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.33 no.6
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    • pp.995-999
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    • 2004
  • Effects of liquefied calcium supplement on bone mineral density (BMD) and bone health index (osteocalcin, deoxypyridinoline) were investigated in 12 middle aged women. Middle aged women were arranged into 3 groups such as control, Ca500 and Ca750 by liquefied calcium supplement level. BMD was measured at the spine (vertebrae L2-L4). After 6 month, BMD of control group dropped but that of Ca750 were increased from 0.850 to 0.865. The increase in serum calcium and osteocalcin level, and the decrease in urine deoxypyridinoline level were observed in by calcium supplement groups. The bone health index of serum was changed as much as level of calcium supplement. The serum osteocalcin level of Ca750 significantly increased to 7.93 ng/mL after 6 months of calcium supplement. Although we didn't get any significant difference in BMD, we found that the liquefied calcium had no side effect and led effective change in bone health index. Hereafter, we suppose that the liquefied calcium will be available to develop healthy products for preventing osteoporosis.