• 제목/요약/키워드: physical characters

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폐경전 한국인 비만여성에서 복부 지방의 분획별 특성에 대한 임상연구 (The Research about Distribution of Abdominal Fat in Obese Premenopausal Korean Women)

  • 이아라;정원석;송미연
    • 한방비만학회지
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    • 제8권2호
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    • pp.25-35
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    • 2008
  • Objectives This study was performed to find out the characters about distribution of abdominal fat(especially superficial and deep subcutaneous fat) in obese premenopausal Korean women. Methods 39 obese premenopausal women were recruited in 2008. Anthropometry and body impedance analysis have been done and abdominal fat distribution had been assessed by computed tomography scan at the level of L4-5. Blood test and questionnaires about depression, eating attitude and physical activity were underwent. Result Abdominal total fat area, subcutaneous fat area including superficial and deep were significantly correlated with anthropometry and BIA result while visceral fat was correlated only with age and waist circumference. In blood profile, only visceral fat area was correlated with HDL cholesterol and triglyceride. And there were no correlation among questionnaires and abdominal fat. There were no difference between superficial and deep subcutaneous fat. Conclusion Abdominal subcutaneous fat including superficial and deep did not have any correlation with heart risk factor. superficial and deep subcutaneous fat had no differences with each other and they did not show any correlation with visceral fat in obese perimenopausal Korean women.

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분열 프랙탈을 이용한 다짐 에너지의 영향 분석 - 입도, 다짐도 및 투수특성을 중심으로 - (Analysis of Effect of Compaction Energy on Characters of Grain Size Distribution, Compaction and Permeability Using Fragmentation Fractal)

  • 노수각;손영환;장병욱;김성필
    • 한국농공학회논문집
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    • 제48권6호
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    • pp.59-67
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    • 2006
  • Particles of soil are crushed when soil is compacted in the in-situ or lab. Among many factors that affect the crush of particles, compaction energy is a major factor. Because the crush of particles can change physical properties, the analysis of effect of compaction energy is very important. In this study, the fragmentation fractals were used for determining the change in grain size distribution and the effect due to change in grain size distribution was estimated. Compaction energy was increased by 50, 100, 200 and 300% based on the energy of standard A compaction test. As a result, grain size distribution curves were changed and fine particles increased as compaction energy were increased. Relative compaction were ranged between $93.38{\sim}107.67$. Fractal dimension of each site increased as compaction energy increased. Relative compaction is proportional to the fractal dimension but coefficients of permeability were in inverse proportional to the involution of fractal dimension.

토착적 건축현상으로서 교우마을에 대한 연구 -전라북도 완주군 비봉면 천호마을을 중심으로 - (A Study on Catholic Villages as an Incultural Architecture Phenomenon - Focusing on Chunho Village, Bibong-myun, Wanju-gun, Chounlabuk-do -)

  • 김학삼;진정
    • 한국주거학회논문집
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    • 제16권3호
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    • pp.89-99
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    • 2005
  • This study aims to give an architectural meaning to the process of change in villages formed to maintain the religious lives. We can draw the following conclusion by reviewing and analyzing primarily the details in relation to the bibliography and actually evaluating and analysing the current status of relevant villages secondly in order to understand the architectural meaning of Catholic village. The architectural Image contained in physical architectural phenomenon displays the change in religious values while the social and cultural characters are responding to the architectural space of Cheonho Village, and this, as a cultural byproduct, is the architectural phenomenon that encompasses the process by which religion takes root in the farming society of Korea that reveals the change in value inherent in the community. The result from study that we conducted via the architectural space of Cheonho Village is interpreted as an architectural phenomenon that encompasses the religion as part of routine lives in a way that is different from the process of becoming in-cultural, and this can be interpreted to have a meaning and character as incultural architecture phenomenon.

소아와 청소년의 건강행태와 질병 이환 비교 (Health Behavior and Disease of Children and Adolescents)

  • 장은희;최은희
    • 한국학교ㆍ지역보건교육학회지
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    • 제11권1호
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    • pp.57-66
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    • 2010
  • Objectives: The purpose of this study was to examine health behavior and disease of children and adolescents. Method: Data was taken from the Korean National Health and Nutrition Examination Survey. The SPSS 12.0 program was used for statistical analysis of data collected. Results: For the past one year, 57% of study group had oral examinations, 43.9% of them were vaccinated against influenza, and 16.9% tried to control body weight. Many children and adolescents (37.7%) had diseases, and 16% were diagnosed chicken pox. Of the subjects who were over 10 years old 35.9% had low high density lipid. The difference of sickness status between children and adolescents was significant ($x^2$=8.376, P=.015). The differences between children and adolescents in subjective health status, oral examination, vaccination of influenza, subjective physical change, body weight change and weight control efforts in the past one year were significant. The differences between children and adolescents in diagnosis of sinusitis, pneumonia and low HDL were statistically significant. Conclusions: The children and adolescents have different characters in health perimeters and these factors should be considered in order to improve the health status of children and adolescents.

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칼라콘택트렌즈의 물성적 특성 평가 (The Evaluation of Property of Colored Contact Lenses)

  • 박현주
    • 한국안광학회지
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    • 제10권2호
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    • pp.119-126
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    • 2005
  • 2개사 칼라콘택트렌즈에 대한 물성적 특성을 평가 비교하였다. 제조된 인공누액을 사용하여 단백질 침착율과 습윤성, 주사전자현미경과 원자간력현미경을 이용하여 렌즈의 표면 거칠기를 관찰하였다. 결과는 다른 특성들은 일반 소프트콘택트렌즈와 비교해서 큰 차이를 보이지 않았으나 주사전자현미경적 관찰에서 건조시 심한 균열을 보였다. 원자간력현미경적 관찰에서 렌즈 표면요철은 발견되지 않아 표면거칠기는 일반 소프트콘택트렌즈와 차이가 없었다. 렌즈 앞면과 뒷면에 대한 염료 침착을 확인한 결과 염료는 렌즈내부에 존재함을 알 수 있었다.

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POMY: 햅틱 피드백을 적용한 몰입형 영어 학습 시스템 (POMY: POSTECH Immersive English Study with Haptic Feedback)

  • 이재봉;이규송;;이호진;이근배;최승문
    • 제어로봇시스템학회논문지
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    • 제20권8호
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    • pp.815-821
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    • 2014
  • In this paper, we propose a novel CALL (Computer-Assisted Language Learning) system, which is called POMY (POSTECH Immersive English Study). In our system, students can study English while talking to characters in a computer-generated virtual environment. POMY also supports haptic feedback, so students can study English in a more interesting manner. Haptic feedback is provided by two platforms, a haptic chair and a force-feedback device. The haptic chair, which is equipped with an array of vibrotactile actuators, delivers directional information to the student. The force-feedback device enables the student to feel the physical properties of an object. These haptic systems help the student better understand English conversations and focus on studying. We conducted a user experiment and its results showed that our haptic-enabled English study contributes to better learning of English.

우주발사체 고체추진기관 추진제 조성연구 (Development of the solid propellant for the rocket motor of the space launch vehicle)

  • 송종권;원종웅;최성한;서혁
    • 한국추진공학회:학술대회논문집
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    • 한국추진공학회 2009년도 제33회 추계학술대회논문집
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    • pp.185-188
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    • 2009
  • 우주발사체 상단 고체추진기관은 고고도에서 위성체가 목표 궤도에 진입할 수 있도록 추력을 제공하는 역할을 하며, 적용되는 혼합형 추진제는 진공 및 방사선이 노출되는 우주환경에서 고성능은 물론 기계적 성질 및 내탄도 특성에서 변형이 없어야 한다. 본 논문에서는 우주발사체 상단 고체추진기관용 혼합형 추진제에 대한 조성 개발 및 표준모터와 고공환경 모사 시험설비를 이용한 성능시험평가에 대한 내용을 기술하였다.

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Bulk건조시 미숙엽의 황변시간 조절이 잎담배 이화학성에 미치는 영향 (Effect of Yellowing Times During Yellowing Stage on Physico-chemical Properties of Immature Tobacco Leaves in Bulk Curing)

  • 이철환;진정의;한철수;이승철
    • 한국연초학회지
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    • 제21권1호
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    • pp.10-16
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    • 1999
  • Leaves harvested were separated with visual characters into 2 classes such as immature and mature leaves. In the curing process, the prolonged yellowing treatment during yellowing stage was automatically controlled at the different stalk position, and condition of curing process after this period was all the same with conventional ones. In case of prolonged yellowing in immature leaves, increase of price per kg reached to 8 % compared with those of conventional ones. In physical properties, filling capacity and shatter index was decreased with the degree of maturity, and it was equal level in filling capacity of immature leaves between curing method, while shatter index was decreased in prolonged yellowing treatment than that of conventional ones. There was no difference in chemical components between immature leaves of prolonged yellowing and conventional ones. As to the prolonged yellowing of immature leaves, there was decreased in citric and malic acid contents of the nonvolatile organic acids, and it was equal level in all higher fatty acids content of leaves cured by prolonged yellowing treatment compared with in that of conventional curing method. The contents of key compounds such as solanone, damascenone, damascone in the essential oil were lower in prolonged yellowing of immature leaves than those of mature leaves cured by conventional ones.

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아파트 단지 경로당의 운영실태와 요구도 분석을 통한 계획 방향 연구 (A Study on the Planning Guidelines for Revitalizing 'Kyungrodang' in Apartment Complexes through the Analysis of Demands and Actual Condition of Operation)

  • 강순주;이보배
    • 한국주거학회논문집
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    • 제26권6호
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    • pp.207-216
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    • 2015
  • The purpose of this study is to suggest useful resources concerning the plan to prepare for population aging in the future through investigating architectural characters of the 'Kyungrodang' and its operating systems located near the apartment complex and needs of the 'Kyungrodang'. For this purpose, the study includes field research, interviews, a questionnaire, and a survey targeting each of two apartments located in the Seoul and Gyeonggi-do. A survey targeting the elderly in their late 70 to 80 years 60 to 70 years was conducted and the differences regarding program needs of leisure activities for the elderly and revitalization of 'Kyungrodang' were analyzed. The results of the present study provide suggestions for improvement and solutions to the existing problems of standardized 'Kyungrodang'. Furthermore, the present results can be a basic resource for the elaboration of an appropriate management method and a spatial plan that would respond to the increased needs of facilities and programs for the elderly in the apartment complex. Finally, the results of the present study are expected to make a meaningful contribution to making 'Kyungrodang' the space where the elderly can obtain physical and mental support, as well as enjoy social activities, improve their health, and manage their everyday life.

화순천의 퇴적환경 및 퇴적물과 하천수의 지구화학적 특성 (Sedimentary Environments, Geochemical Characteristics of Sediments and River waters, Hwasun-cheon)

  • 오강호;고영구;김주용;김해경
    • 한국환경과학회지
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    • 제11권9호
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    • pp.881-895
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    • 2002
  • Sediments and river waters form the channel of Hwasun-cheon were studied in sedimentological size and geochemical analyses of metallic elements for the purposes of identification of depositional environments and geochemical characteristics. The sizes of sediments are assigned to pebble to coarse sand in mean size and polymodal in distribution. And the sediments are poorly to very poorly sorted and positively skewed. According to the grain size distributions of the sediments, the Hwasun-cheon belongs to gravel-bed river on the basis of the grain size distribution of the sediments. The behaviors of metallic elements in the sediments mainly depend on not grain size distribution but the geology connected with geomorphological reliefs near the stream. Contamination indices(CI) of Zn, Cu and Pb are 2.83 to 6.96 with average 4.31 in the sediments. Hwasun-cheon is assigned to general stream type in accordance with water quality of physical factors and chemical characteristics by Piper's diagram. Though meaningful values of BOD, T-N, T-P were locally depicted near Masan-ri, Hwasun-eup and Jiseok-cheon areas, artificial metal concentration do not represent in the most area of the stream. Sediments and river water are considered that the relatively more or less high metallic contents in the stream are originated from coal mine and urban area.