• Title/Summary/Keyword: Normals

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Pheontypic Characterization of Non-molting Mutants in Postembryonic Development of the Silkworm, Bomyx mori. (누에의 후배자발생 초기에 있어서 돌연변이 불면잠계통간의 형질발현 특성)

  • No, Si-Gap;Seon, Hui-Suk;Banno, Yutaka
    • Journal of Sericultural and Entomological Science
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    • v.40 no.1
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    • pp.43-51
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    • 1998
  • Studies were carried out to investigate phenotypic expression, mortality and biochemical analysis of haemolymph proteins of nm-d, nm-f, nm-k and nmn bib-molting mutants of the silkworm, Bombyx mori. The non-molting mutants characters were expressed in the homozygote of each mutant genes. All strains of non-molting mutants were similar with each other in physiological characteristics, but the expression varied with each strains. The larvae of nm-d, nm-i and nmn died between day 5 and day 9 after hatching without the first molt. The nm-f and nm-k mutants died between day 5 and day 16 with a slight increase of body weight and, more than 90% of the mutants larvae died before the first molt and a few of them survived to the 2nd and the 3rd instar and died. The haemolymph protein components of nm-d, nm-i, and nmn were rapidly reduced, and on the other hand those of nm-f and nm-k consistently until they died. And there were no distinguishable difference in haemolymph components of non-molting mutants, as compared to those normals.

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Analysis of Left Ventricular Diastolic Function in Coronary Artery Disease with Gated Blood Pool Scan (관상동맥질환에서 Gated Blood Pool Scan을 이용한 좌심실 확장기능의 분석)

  • Choi, Chang-Woon;Lim, Sang-Moo;Chung, June-Key;Lee, Myung-Chul;Park, Young-Bae;Seo, Joung-Don;Lee, Young-Woo;Koh, Chang-Soon
    • The Korean Journal of Nuclear Medicine
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    • v.20 no.2
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    • pp.39-45
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    • 1986
  • Resting gated blood pool scan was used to derive left ventricular functional changes in normals (N=13, mean age=43) and in patients with coronary artery disease (N=50, mean age=53). Peak filling rates, average filling rates, and ejection fractions were significantly depressed in coronary artery disease. (p<0.0005, each other). And in coronary artery disease with normal ejection fraction (N=21), peak filling rates and average filling rates were depressed also, and peak filling rates of coronary artery disease with normal ejection fraction were abnormal in 61.2% and average fillin rates were abnormal in 71.4%. It appears that (1) resting peak filling rates and average filling rates were sensitive and easily obtainable parameters of the diastolic dysfunction assosiated with coronary artery disease, (2) a significant proportion of coronary artery disease patients without any evidence of abnormal systolic function have depressed resting peak filling rates and average filling rates of the left ventricle.

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Human Pose Matching Using Skeleton-type Active Shape Models (뼈대-구조 능동형태모델을 이용한 사람의 자세 정합)

  • Jang, Chang-Hyuk
    • Journal of KIISE:Software and Applications
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    • v.36 no.12
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    • pp.996-1008
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    • 2009
  • This paper proposes a novel approach for the model-based pose matching of a human body using Active Shape Models. To improve the processing time of model creation and registration, we use a skeleton-type model instead of the conventional silhouette-based models. The skeleton model defines feature information that is used to match the human pose. Images used to make the model are for 600 human bodies, and the model has 17 landmarks which indicate the body junction and key features of a human pose. When applying primary Active Shape Models to the skeleton-type model in the matching process, a problem may occur in the proximal joints of the arm and leg due to the color variations on a human body and the insufficient information for the fore-rear directions of profile normals. This problem is solved by using the background subtraction information of a body region in the input image and adding a 4-directions feature of the profile normal in the proximal parts of the arm and leg. In the matching process, the maximum iteration is less than 30 times. As a result, the execution time is quite fast, and was observed to be less than 0.03 sec in an experiment.

Large Deflection and Elastoplastic Analysis of the Plane Framed Structure Using Isoparametric Curved Beam Element (Isoparametric 곡선(曲線) 보요소(要素)를 이용한 평면(平面)뼈대 구조물(構造物)의 대변형(大變形) 및 탄소성(彈塑性) 유한요소해석(有限要素解析))

  • Kim, Moon Young;Shin, Hyun Mock;Lee, Chang Yong
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.13 no.2
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    • pp.41-49
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    • 1993
  • This paper presents a geometrically non-linear and elastoplastic F.E. formulation using a total Lagrangian approach for the two dimensional isoparametric curved beam elements. The beam element is derived by using plane stress elements. The basic element geometry is constructed using the coordinates of the nodes on the element center line and the nodal point normals. The element displacement field is described using two translations of the node on the center line and a rotation about the axes normal to the plane containing the center line of the element. The layered approach is used for the elastoplastic analysis of the plane framed structure with the arbitrary cross section. The iterative load or displacement incremental method for non-linear finite element analysis of the frame structure is used. Numerical examples are presented to demonstrate the behavior and the accuracy of the proposed beam element for geometric and elastoplastic non-linear applications. Comparisons made with present theory and other published data show that tilt' beam element products accurate results with good convergence characteristics.

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Spectral characteristics of resonance disorders in submucosal type cleft palate patients (점막하구개열 환자 공명장애의 스펙트럼 특성 연구)

  • Kim, Hyun-Chul;Lee, Jong-Seok;Leem, Dae-Ho;Baek, Jin-A;Shin, Hyo-Keum;Kim, Hyun-Ki
    • Proceedings of the KSPS conference
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    • 2007.05a
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    • pp.152-154
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    • 2007
  • Submucosal type cleft palate is subdivision of cleft palate. Because of late detection, the treatment - for example, the operation or the speech therapy - for the submucosal type cleft palate patient usually late. In this study, we want to find the objective characteristics of submucosal type cleft palate patient, comparing with the normal and the complete cleft palate patient. Experimental groups are 10 submucosal type cleft palate patients who got the operation in our hospital, 10 complete cleft palate patients. And, 10 normals as control group. The sentence patterns using in this study is simple 5 vowels. Using CSL program we evaluate the Formant, Bandwidth. We analized the spectral characteristics of speech signals of 3 groups, before and after the operation.

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Case-Control Study on Social Risk Factors of Stroke in Korea (뇌졸중의 사회적 위험요인에 대한 환자-대조군 연구)

  • Kim, Jong-Won;Yu, Byeong-Chan;Choi, Sun-Mi;An, Jung-Jo;Jo, Hyun-Kyung;Yoo, Ho-Rhyong;Kim, Yoon-Sik
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.21 no.6
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    • pp.1631-1636
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    • 2007
  • The purpose of this study was done to investigate the influence of social risk factors on each stroke type. We recruited at the Stroke Medical Center in Daejeon University Oriental Medical Hospital from July 2005 to March 2007 for this study. We divided 217 patients with acute stroke within 2 weeks as the case group(Cases), 146 people without major risk factor as the healthy control group(Normals), and 160 people as the general control group(Controls). We analyzed general characteristics such as age, sex, with or without spouse, education periods, religion, psychologic stress, and the odds ratio of each social risk factors by multivariate logistic analysis. As a result of reviewing the influence of social risk factors upon each stroke type, without spouse may be risk factor of ischemic stroke, and the undereducated may be risk factor of hemorrhagic stroke and ischemic stroke. But religion and psychologic stress had no significant relation with stroke.

A Study on Female Dental Technician's Job Consciousness (여성치과기공사의 직업의식에 관한 연구)

  • Lee, Hee-Kyung;Kim, Jeong-Sook;Jung, Hyo-Kyung
    • Journal of Technologic Dentistry
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    • v.32 no.3
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    • pp.255-264
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    • 2010
  • Purpose: This study was conducted to corroborate factors affecting dental technicians recognition states of their job consciousness. Methods: Self-administering questionnaires were distributed directly to some 200 registered female dental technicians in metropolis, small & medium-sized cities, farming and fishing villages of whom 153(76.5%) female dental technicians and female students responded in December, 2009. Information on recognition states of female dental technicians and female students in department of dental technology possible occupational mind and other general characteristics was gathered. Analysis of data was processed by use of X2-test and multiple regression analysis. Results: The recognition states of occupational satisfaction were higher in female students than female dental technicians(p<.05). They were observed that between respondents with more than five years of work and less than five years of career(p<.05). Statistically significant differences were observed in recognition values of female dental technicians occupational satisfaction between high and low groups of internal characteristic of their position and all ceramic part(p<.05). Conclusion: For woman dental technicians, the most predictive variables for recognition values of occupational satisfaction were an age, between groups, which of part and career(p<.05). Finally, this result suggests the facts that in order to achieve self-realization through the work experience, women herself should get rid of the dichotomous diagram and should change the consciousness of traditional role normals.

Trends on Temperature and Precipitation Extreme Events in Korea (한국의 극한 기온 및 강수 사상의 변화 경향에 관한 연구)

  • Choi, Young-Eun
    • Journal of the Korean Geographical Society
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    • v.39 no.5 s.104
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    • pp.711-721
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    • 2004
  • The aim of this study is to clarify whether frequency and/or severity of extreme climate events have changed significantly in Korea during recent years. Using the best available daily data, spatial and temporal aspects of ten climate change indicators are investigated on an annual and seasonal basis for the periods of 1954-1999. A systematic increase in the $90^{th}$ percentile of daily minimum temperatures at most of the analyzed areas has been observed. This increase is accompanied by a similar reduction in the number of frost days and a significant lengthening of the thermal growing season. Although the intra-annual extreme temperature range is based on only two observations, it provides a very robust and significant measure of declining extreme temperature variability. The five precipitation-related indicators show no distinct changing patterns for spatial and temporal distribution except for the regional series of maximum consecutive dry days. Interestingly, the regional series of consecutive dry days have increased significantly while the daily rainfall intensity index and the fraction of annual total precipitation due to events exceeding the $95^{th}$ percentile for 1901-1990 normals have insignificantly increased.

The Effects of Aconiti Radix on Thyroid Function in Hypothyroidism Rat Model Induced by 6-propyl-2-thiouracil(PTU). (부자(附子)가 6-propyl-2-thiouracil(PTU)로 유발된 rat의 갑상선 기능저하증에 미치는 영향)

  • Lee, Sang-Hun;Lee, Byung-Cheol;Ahn, Young-Min;Doo, Ho-Kyung;Ahn, Se-Young
    • The Journal of Internal Korean Medicine
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    • v.28 no.2
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    • pp.275-283
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    • 2007
  • Objective : Although hypothyroidism is a common disease in the endocrinology system, it is reported that there are a lot of difficulties in treating it effectively. Aconiti Ra얕 traditionally has been used in treatment of coldness, fatigue, and bradycardia. In this study, we investigated the therapeutic effects of Aconiti Radix on hypothyroidism rat model induced by 6-propyl-2-thiouracil (PTU). Methods : Two-month-old rats were used with administration of PTU which induced hypothyroidism in the rats. After 2 weeks, Aconiti Radix and thyroxine were administered, respectively. The body weights were measured every week. After 4 weeks, the blood samples of all rats were taken from their hearts. They were analyzed biochemically and $T_4$ (thyroid hormone) & TSH (thyroid stimulating hormone) was measured by ELISA kits. Results : In comparison with normals, controls showed hypothyroidism with significantly low $T_4$ and high TSH the statistics. In Aconiti Radix administration groups significantly increased $T_4$ was observed in the statistics and its effects were dose-dependent. There was no difference statistically in TSH of Aconiti Radix treatment groups from controls, nor were statistical differences observed significantly in biochemical labs and weight of each group. Conclusions : These findings suggest that Aconiti Radix protects thyroid cells and makes thyroid cells produce thyroid hormones. It is also very safe in the view of liver, kidney function, and other metabolism. It may be a useful agent for treating hypothyroidism.

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Variations of SST around Korea inferred from NOAA AVHRR data

  • Kang, Y. Q.;Hahn, S. D.;Suh, Y. S.;Park, S.J.
    • Proceedings of the KSRS Conference
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    • 1998.09a
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    • pp.236-241
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    • 1998
  • The NOAA AVHRR remote sense SST data, collected by the National Fisheries Research and Development Institute (NFRDI), are analyzed in order to understand the spatial and temporal distributions of SST in the seas adjacent to Korea. Our study is based on 10-day SST images during last 7 years (1991-1997). For a time series analysis of multiple 557 images, all of images must be aligned exactly at the same position by adjusting the scales and positions of each SST image. We devised an algorithm which yields automatic detections of cloud pixels from multiple SST images. The cloud detection algorithm is based on a physical constraint that SST anomalies in the ocean do not exceed certain limits (we used $\pm$ 3$^{\circ}C$ as a criterion of SST anomalies). The remote sense SST data are tuned by comparing remote sense data with observed SST at coastal stations. Seasonal variations of SST are studied by harmonic fit of SST normals at each pixel. The SST anomalies are studied by statistical method. We found that the SST anomalies are rather persistent with time scales between 1 and 2 months. Utilizing the persistency of SST anomalies, we devised an algorithm for a prediction of future SST Model fit of SST anomalies to the Markov process model yields that autoregression coefficients of SST anomalies during a time elapse of 10 days are between 0.5 and 0.7. We plan to improve our algorithms of automatic cloud pixel detection and prediction of future SST. Our algorithm is expected to be incorporated to the operational real time service of SST around Korea.

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