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A Prediction of the Behavior in Normally Consolidated Clay with Application of Isotropic Single Hardening Constitutive Model (등방단일경화구성모델에 의한 정규압밀점토의 거동 예측)

  • 홍원표;남정만
    • Geotechnical Engineering
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    • v.12 no.2
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    • pp.9-18
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    • 1996
  • The results of a series of triaxial compression tests on remolded normally consolidated clay are compared with the predictions .by the isotropic single -hardening constitutive model, which incorporates eleven parameters. The parameters can be determined from undrained triaxial compression tests on isotropically consolidated specimens of remolded clay. The model with the determined parameters is applied to predict the stress-strain and pore pressure behaviors for untrained triaxial compresion tests on anisotropically consolidated specimens. Also the model is utilized to predict the stress strain and voltmetric strain behavior for drained triaxial compression tests on both isotropic and anisotropic specimens. The predicted response agrees well with the measured behavior for undrained triaxial compression tests on not only isotropically but also anisotroically but also anisotropically consolidated specimens. The initial volumetric strain is, however, predicted to be less than the measured value from drained triaxial compression tests, while the predicted volumetric strain close to failure is greater than the measured value. Nevertheless, it may be stated generally that overall acceptable predictions are produced. Therefore, the results of this study indicate that the applicability of the model on prediction of the behavior of normally consolidated clay is achieved sufficiently.

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Study on the Anti-oxidant and Anti-inflammatory Activities of Sarcocarp and Calyx of Persimmon (Cheongdo Bansi) (청도 반시의 과육과 감꼭지(시체: 枾滯)의 항산화 및 항염증 활성 연구)

  • Kim, Hui-Jeong;Park, Tae-Soon;Jung, Mi-Song;Son, Jun-Ho
    • Journal of Applied Biological Chemistry
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    • v.54 no.2
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    • pp.71-78
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    • 2011
  • Biological activities of sarcocarp and calyx of persimmon (Cheongdo Bansi) were investigated. The electron donating ability of the calyx extract was 91% at a 500 ${\mu}g/mL$ level, which was higher than that of the sarcocarp extract (40%). The superoxide dismutase (SOD)-like activity of calyx extracts was about 22% at a 1,000 ${\mu}g/mL$ level. During the entire experimental period, there was no cytotoxicity found from sarcocarp and calyx up to 50 ${\mu}g/mL$. Our results indicated that sarcocarp and calyx significantly inhibited NO production and iNOS and COX-2 expression accompanied by an attenuation of interleukin (IL)-$1{\beta}$, IL-6, and tumer necrosis factor (TNF)-${\alpha}$ formation in human keratinocyte. These results suggest that sarcocarp and calyx of persimmon may have significant effect on inflammatory factors and can be used as potential anti-inflammatory agents.

방파제케슨에 사용하는 신형식 푸팅구조의 역학적 특성과 구조해석

  • 한국어항협회
    • 어항어장
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    • s.2
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    • pp.86-127
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    • 1988
  • 버트리스 푸팅 케슨(Buttress footing caisson) 및 상형 푸팅 케슨의 역학특성을 해명하고 구조설계법을 검토할 목적으로 재하실험을 실시했다. 재하실험에는 배근의 제약등을 고려해서 실구조물의 1/4정도의 대형모형공시체를 사용해서 푸팅부를 중심으로 해석하기위해 푸팅에 선분포하중을 재하했다. 유한요소법에 따른 선형구조해석을 실시하여 변위, 단면력과 한계상황설계법에서의 산정식에서 얻어진 단면내력과를 비교하여 동설계법의 케슨구조물에 대한 적용성에 관하여 고찰했다. 이 보고로써 얻어진 주요한 결론은 아래와 같다. (1) 재하실험에 의하면 버트리스 푸팅공시체의 파괴형식은 버트리스부의 철근에 연한 부착할열파괴였다. 또 상형푸팅공시체에서는 푸팅부의 내면전단파괴였다. 양구조물을 설계할 때는 종래의 면외력만의 검토뿐아니라 면내력도 적절히 평가할 필요가 있다. (2) 양공시체 함께 푸팅 케슨본체와의 접합부 및 푸팅과 상자옆쪽의 벽과의 접합부에 변형이 일어나 종래의 판구조설계에서 가정하고 있는 판주변의 고정조건이 만족되지 않았다. 따라서 케슨구조물의 구조해석에서 구조전체계를 취급할 필요가 있고 부재단위에서는 단면력을 과대 또는 과소로 산정할 우려가 있다. (3) 철근강복시정도까지는 구조전체계를 모델화한 유한요소법에 의한 선형구조해석결과와 실험결과가 잘 일치했다. (4) 한계상태설계법에서의 굽음내력, 전단내력 및 구열폭의 산정식은 실험결과와 비교해서 어느쪽이나 안전측의 치를 부여했다.

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A Comparative study on the Effectiveness of Bloodstain Enhancing Reagents for the Development of Bloody Prints on the Cadaver Skin (혈흔 증강시약들의 시체피부 혈액지문에 대한 효과성 비교)

  • Mim, Dong-Ki;Kim, Da-Ye;Kim, Seung-Gap;Lee, Ga-Eul;Lee, Eun-Hye;Yu, Je-Seol
    • The Journal of the Korea Contents Association
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    • v.16 no.6
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    • pp.474-480
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    • 2016
  • Bloody fingerprints are important in many cases - especially in murder case. This study compared effectiveness of some reagents which had better quality of developing bloody fingerprints from human skin. Leuco crystal violet(LCV), hungarian red, amido black, coomassie blue, acid violet17, and crowle's double stain were used. Fingerprints were generated in the depletion series, and tissue method was used in applying all reagents. LCV showed the best result in this study.

A Study on the Reading Method of "Choi Chi-won" (수이전 일문 「최치원」의 독법(讀法)에 대한 연구)

  • Lee, Jee-sun
    • Journal of Korean Classical Literature and Education
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    • no.35
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    • pp.123-152
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    • 2017
  • The 'Jeongi' genre is characterized by a style composed of poetry and prose. "Choi Chi-won" shows the important features of the early 'Jeongi' character. In this study, I explore the poetry-centered reading method, considering that "Choi Chi-won" is a work that contains a high proportion of poetry. In this paper, I propose a reading method that focuses on the change of 'rhyme' centering on the body. Secondly, it focuses on the 'Heung' reading method. If the readers focus on the poetry, they will concentrate more on their emotional functioning, so the lyrical characteristics can be more aesthetically captured through poetic poetry. The poetry-centered reading method can be proposed as a method to capture the multi-layered aesthetic qualities of texts with complex styles.

책의 존재와 사물의 존재(6)-글쓰기와 미메시스

  • Kim, Sang-Hwan
    • The Korean Publising Journal, Monthly
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    • s.154
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    • pp.6-7
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    • 1994
  • 소크라테스는 진리를 언어 밖에서 찾으라고 말했다. 플라톤은 언어를 어떤 모방의 형식이라고 생각했다. 미메시스 개념에 기초한 언어관 때문이다. 따라서 그들에 의하면, 책이란 진리의 시체 통조림이자 영혼을 망쳐놓는 흉물에 불과하다. 그러나 아리스토텔레스의 "오르가논"은 언어를 상징의 형식으로 이해하면서 책을 진리의 잔치마당으로 여긴다.

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A Study on 3D Surface Reconstruction for the Breast of Human Body (인체 가슴 부위의 구조물의 3D 표면 모형 재구성)

  • Lee, Sang-Tae;Jeon, Hyun-Jin;Kim, Ki-Tai;Choi, Ki-Seok;Joo, Won-Kyun
    • Proceedings of the Korean Society for Emotion and Sensibility Conference
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    • 2009.11a
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    • pp.99-102
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    • 2009
  • 본 연구에서는 실제 기증받은 시체를 이용하여 인체의 각 구조물을 실제 모습 그대로 3D 이미지화하는 과정에 대해 알아보았다. 인체의 구조물을 3D 로 이미지화하는 과정은 다음과 같다. 먼저 시체를 0.2mm 간격으로 절단하여 절단면의 사진을 찍은 후, 각 절단면의 사진에서 각각의 구조물을 구역화하여 색칠을 한 후, 구역화한 이미지에서 외곽선을 추출하여 벡터 이미지를 만든다. 이 외곽선을 1mm 간격으로 쌓아 올린 후 그 표면을 재구성하여 3D 이미지로 변환하는 과정으로 진행되었다. 3D 이미지의 제작은 가슴 부위에 한정하여 이루어졌다. 인체의 해부학적인 모형을 3D 이미지로 시각화함으로써 얻는 효과는 일반인을 대상으로 인체의 내부에 대한 시각적인 호기심을 충족시켜주고 의학 상식을 넓히는데 도움을 줄 수 있을 것 이다. 또한 의대생들을 비롯한 의학 전문가들에게는 생생한 해부학 강의용으로도 활용 가능하다. 향후 Haptic 시스템을 이용한 의료 실습 어플리케이션과 접목될 수도 있을것이고, fMRI 데이터를 비롯한 타 데이터와의 융합을 통해 시각화하여 서비스 할 수도 있다. 이처럼 인체의 3D 모형은 의료분야에서 광범위하게 활용될 수 있는 데이터로써 그 가치를 지닐 것이다.

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The Role of Teeth in Determination of Unidentified Human Body (신원불상자의 개인식별에서의 치아의 역할)

  • Ahn, Yong-Woo;Jeon, Hee-Sun;Huh, Gi-Yeong;Tae, Il-Ho;Ko, Myung-Yun
    • Journal of Oral Medicine and Pain
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    • v.33 no.2
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    • pp.177-186
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    • 2008
  • Forensic odontology can be defined in many ways. One of definitions is simply that forensic odontology represents the overlap between the dental and the legal professions. The most important function of forensic odontology to determine of human identity from dental character. We had found 7 unidentified human bodies in Busan metro politan city, 2007 and we have identified 5 bodies among them.

Estimation of Combining Abilities for Traits of Mice from Diallel Crosses -II. Estimation of Combining Abilities for Baby Weights at Weaning and at the Age of 60 Days (양면교잡(兩面交雜)에 의(依)한 Mouse 주요(主要) 형질(形質)의 결합능력(結合能力) 추정(推定) -II. 이유시(離乳時) 체중(體重)과 60일령(日齡) 체중(體重)에 대한 결합능력(結合能力) 추정(推定))

  • Hyun, Byung Hwa;Choi, Kwang Soo
    • Current Research on Agriculture and Life Sciences
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    • v.4
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    • pp.119-123
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    • 1986
  • The study was conducted to find out the gene effects on body weights at weaning and at the age of 60 days in mice, with 343 progenies from full-dialell crosses of four lines of BALB/c, CBA, C3H and C57BL. The progenies were reared at the Experimental Animal Farm, College of Agriculture, Kyungpook National University from November, 1984 to February, 1985, and data collected from the progenies were analyzed into general combining ability, maternal effects, specific combining ability and reciprocal effects with Harvey's model. General combining ability effects estimated in line-crosses were -0.6033~0.5298 for weaning weights and -0.5086~1.0012 for body weights at the age of 60 days. General combining ability for BALB/c and C57BL were significantly better than general combining ability for CBA and C3H for both traits (P<0.05). Maternal effects for C3H were significantly larger than the maternal effects of BALB/c for both traits (P<0.05). The estimates of maternal effects were -0.9678~0.4609 for weaning weights and -1.1886~0.0729 for body weights at the age of 60 days. Specific combining ability effects were estimated to be significant (P<0.05), and the estimates were -0.1999~0.3380 for weaning weights and -0.4056~0.3317 for body weights at the age of 60 days. Reciprocal effects were found to be largest in BALB/c${\times}$C57BL and BALB/c${\times}$C3H. The estimates were -0.5049 from BALB/c${\times}$C57BL and 0.4972 from BALB/c${\times}$C3H form weaning weights, and -1.0336 from BALB/c${\times}$C57BL and 1.2793 from BALB/c${\times}$C3H for body weights at the age of 60 days.

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Estimation of Genetic Variations and Selection of Superior Lines from Diallel Crosses in Layer Chicken (산란계종의 잡종강세 이용을 위한 유전학적 기초연구와 우량교배조합 선발에 관한 연구)

  • 오봉국;한재용;손시환;박태진
    • Korean Journal of Poultry Science
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    • v.13 no.1
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    • pp.1-14
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    • 1986
  • The subject of this study was to obtain some genetic information for developing superior layer chickens. Heterosis and combining ability effects were estimated with 5,759 progenies of full diallel crosses of 6 strains in White Leghorn. Fertility, hatchability, brooder-house viability, rearing- house viability, laying-house viability, age at 1st egg laying, body weight at 1st egg laying, average egg weight, hen-day egg production, hen-housed egg production, and feed conversion were investigated and analyzed into heterosis effect, general combining ability, specific combining ability and reciprocal effect by Grilling's model I. The results obtained were summarized as follows; 1. The general performance of each traits was 94.76% in fertility, 74.05% in hatchability, 97.47% in brooder-house viability, 99.72% in rearing-house viability, 93.81% in laying-house viability, 150 day in the age at 1st egg laying, 1,505g in the body weight at 1st egg laying, 60.08g in average egg weight, 77.11% in hen-day egg production, 269.8 eggs in hen-housed egg Production, and 2.44 in feed conversion. 2. The heterosis effects were estimated to -0.66%, 9.58%, 0.26%, 1.83%, -3.87%, 3.63%, 0.96%, 4.23%, 6.4%, and -0.8%, in fertility, hatchability, brooder-house viability, laying-house viability, the age at 1st egg laying, the body weight at 1st egg laying, average egg weight, hen-day egg Production, hen-housed egg production and feed conversion, respectively. 3. The results obtained from analysis of combining ability were as follows ; 1) Estimates of general combining ability, specific combining ability and reciprocal effects were not high in fertility. It was considered that fertility was mainly affected by environmental factors. In the hatchability, the general combining ability was more important than specific combining ability and reciprocal effects, and the superior strains were K and V which the additive genetic effects were very high. 2) In the brooder-house viability and laying-house viability, specific combining ability and reciprocal effects appeared to be important and the combinations of K${\times}$A and A${\times}$K were very superior. 3) In the feed conversion and average egg weight, general combining ability was more important compared with specific combining ability and reciprocal effects. On the basis of combining ability the superior strains were F, K and B in feed conversion, F and B in the average egg weight. 4) General combining ability, specific combining ability and reciprocal effects were important in the age at 1st egg laying and the combination of V ${\times}$F, F${\times}$K and B${\times}$F were very useful on the basis of these effects. In the body weight at 1st egg laying, general combining ability was more important than specific combining ability and reciprocal effects, relatively. The K, F and E strains were recommended to develop the light strain in the body weight at 1st egg laying. 5) General combining ability, specific combining ability and reciprocal effects were important in the hen-day egg production and hen-housed egg production. The combinations of F${\times}$K, A${\times}$K, and K${\times}$A were proper for developing these traits. 4. In general, high general combining ability effects were estimated for hatchability, body weight at 1st egg laying, average egg weight, hen-day egg production, hen-housed egg production, and feed conversion and high specific combining ability effects for brooder-house viability, laying house viability, age at 1st egg laying, hen-day egg production and hen-housed egg production, and high reciprocal effects for the age at 1st egg laying.

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