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Pomeranian에서 발생한 치주 질환에 의한 비염 1례
이기자,최윤정,최형준,이용진,최호정,이영원,정성목 忠南大學校 獸醫科大學 動物醫科學硏究所 2005 動物醫科學硏究誌 Vol.13 No.-
A 10-year-old spayed female dog with history of persistent nasal discharge and halitosis was presented. In oral examination, there were severe dental calculi and gingivitis. The radiographic imaging showed lesions of left nasal cavity and periodontal membrane. In computed tomographic imaging, there are increased density of left nasal cavity, loss of nasal concha and partial defect of nasal septum. Many inflammatory cells were observed in nasal cytology. The result of culture from nasal smear was negative. All these findings result in rhinitis by dental calculi and gingivitis. The dog got improved after scaling, tooth extraction, and medical treatment.
국부 마모 부품을 위한 레이저 표면강화 열처리에 관한 연구
이목영,김형준,김기철,김재웅 한국레이저가공학회 2002 학술발표대회 Vol.2002 No.1
두께 10mn 일반기계구조용강재를 사용하여 레이저 종류에 따른 표면경화 열처리특성에 관하여 알아보았다. 경화층의 형성은 레이저의 종류에 크게 영향을 받았는데, 표면경화 열처리를 위해서는 파장이 짧은 Nd-YAG 레이저를 사용하는 것이 유리하였다. 경화층의 최고경도는 700Hv 가량으로 높게 나타났으며, 레이저 표면경화 열처리는 상온에서 사용되는 부품의 내마모성 향상 특히 국부 마모를 겪는 부품에 효과적일 것으로 판단되었다.
姜炯台,李澈,諸元穆 漢陽大學校 環境科學硏究所 1989 環境科學論文集 Vol.10 No.-
조선시대 자기의 특성화를 위하여 중성자방사화분석법으로 15개의 미량성분원소 (Sm,Ga,K,La,Ce,Yb,Th,Hf,Na,Cs,Sc,Rb,Fe,Co,Eu) 함량을 결정하였다. 데이타의 수학적 처리법으로서 선형판별식분석법을 사용하였다. 이 선형판별식분석법으로서 자기의 분류에 유용한 변수를 선정한 다음 재차 선형결합방식으로 분류규칙을 구하였다. 판별점수로서 평면상에 도시한 결과 경기도 광주군 상번천리5호, 상번천리9호 및 도수리 청·백자의 분류효율은 각각 12/15,15/15,10/10이었다. Data on the concentration of Sm,Ga,K,La,Ce,Yb,Th,Hf,Na,Cs,Sc,Rb,Fe,Co and Eu obtained by neutron activation analysis have been used to characterize Korean porcelain by multivariate analysis. A combination of analytical data by means of statistical linear discriminant analysis(SLDA) has resulted in removal of redundant variables, optimal linear combination of meaningful variables and formulation of classification rules. The plot in the first-to-second discriminant scores has shown that the three distinct territorial regions exist among porcelains of Kyungkido Sangbunchulli No. 5, Sangbunchulli No. 9 and Dosuri, with respective efficiencies of 12/15,15/15 and 10/10.
7두의 개에서 배설성 요로조영술을 통한 신장 기능 평가
최윤정,이기자,최형준,이용진,박성준,송근호,정성목,최호정,이영원 忠南大學校 獸醫科大學 動物醫科學硏究所 2005 動物醫科學硏究誌 Vol.13 No.-
Excretory urography is a type of contrast study used to verify and localize upper urinary tract disease. It is an inexpensive and easy way to visualize of anatomic and functional status of the kidney and has been used as a primary imaging modality for the evaluation of urinary tract abnormalities. We describe urological signs of 7 dogs who examined with excretory urography and ultrasonography. Six cases were referred to veterinary medical teaching hospital. Chungnam national university (VMTH, CNU) to evaluate renal function after the treatment for renal failure and one case was referred showing hematuria. In case 1, 2 and 4, blood test and urinalysis was normal and the results of excretory urography presented that renal function were normal range. In case 3, the results of urinalysis, ultrasonography, and excretory urography except blood test presented abnormal kidney and hydronephrosis was diagnosed. In case 5 and 6, blood test, urinalysis, ultrasonography and excretory urography indicated renal failure. In case 7, blood test, urinalysis and ultrasonography presented partially abnormal signs, however, the results of excretory urography was normal range.
6상 여자방식을 이용한 7상 BLDC 전동기 구동시스템
전윤석,이용균,목형수 건국대학교 산업기술연구원 2003 건국기술연구논문지 Vol.28 No.-
3-Phase BLDC Motor, which is generally used, has limited usage in high speed, due to pulsation torque occurring commutation and variable speed. To solve this problem, it is necessary to increase invariable, pole number or the number of slots. Currently, due to rapid growth of semiconductor technology and trend toward smaller and cheaper production of switching device, Multi-Phase BLDC Motor for high speed and high output power is being actively pursued to produce. In this paper 7-Phase BLDC Motor drive system and controller are designed and 7-Phase modulation method with 6-Phase conduction is studied for ideal operation of controller.
Three-month Treatment Response and Exacerbation in Chronic Obstructive Pulmonary Disease
Lee, Jung Su,Rhee, Chin Kook,Yoo, Kwang Ha,Lee, Ji-Hyun,Yoon, Ho Il,Kim, Tae-Hyung,Kim, Woo Jin,Lee, JinHwa,Lim, Seong Yong,Park, Tai Sun,Lee, Jae Seung,Lee, Sei Won,Lee, Sang-Do,Oh, Yeon-Mok The Korean Academy of Medical Sciences 2015 JOURNAL OF KOREAN MEDICAL SCIENCE Vol.30 No.1
CO OBSERVATIONS OF OPTICALLY SELECTED BARRED GALAXIES
LEE HYUNG MOK,KIM HYORYOUNG,ANN HONGBAE The Korean Astronomical Society 1998 Journal of The Korean Astronomical Society Vol.31 No.2
We report preliminary results of an on-going survey of optically selected barred galaxies with $^{12}CO$(J=1-0) line. The entire sample is composed of about 100 bright barred galaxies ($B_T{\le}13$) with small inclination angle. Most of the galaxies are relatively nearby with receding speed less than 10,000 km/sec. In the first observing run, we have observed central parts of 18 galaxies and detected CO emissions from 5 galaxies (NGC521, 2525, 4262, 4900, and 7479). Most of these galaxies are not observed with CO previously, except for NGC7479 which has been studied at various wavelengths. The peak antenna temperature of detected galaxies ranges from about 30 to 300 mK.
LEE HYUNG MOK,KIM SUNGSOO The Korean Astronomical Society 1996 Journal of The Korean Astronomical Society Vol.29 No.2
The evolution of the stellar debris after tidal disruption due to the super massive black hole's tidal force is difficult to solve numerically because of the large dynamical range of the problem. We developed an SPH (Smoothed Particle Hydrodynamics) - TVD (Total Variation Diminishing) hybrid code in which the SPH is used to cover a widely spread debris and the TVD is used to compute the stream collision more accurately. While the code in the present form is not sufficient to obtain desired resoultion, it could provide a useful tool in studying the aftermath of the stellar disruption by a massive black hole.
( Hyung Jun Park ),( Soo Han Kim ),( Ho-cheol Kim ),( Bo Young Lee ),( Sei Won Lee ),( Jae Seung Lee ),( Sang-do Lee ),( Joon Beom Seo ),( Yeon-mok Oh ) 대한결핵 및 호흡기학회 2019 Tuberculosis and Respiratory Diseases Vol.82 No.3
Background: The utility of computed tomography (CT) in the differential diagnosis of patients with chronic obstructive pulmonary disease (COPD) exacerbation remains uncertain. However, due to the low cost associated with CT scan along with the impact of Koreas’ health insurance system, there has been a rise in the number of CT scans in the patients with initial diagnosis of COPD exacerbations. Therefore, the utility of CT in the differential diagnosis was investigated to determine whether performing CT scans affect the clinical outcomes of the patients with an initial diagnosis of COPD exacerbation. Methods: This study involved 202 COPD patients hospitalized with an initial diagnosis of COPD exacerbation. We evaluated the change in diagnosis or treatment after performing a CT scan, and compared the clinical outcomes of patient groups with vs. without performing CT (non-CT group vs. CT group). Results: After performing CT, the diagnosis was changed for two (3.0%) while additional diagnoses were made for 27 of the 64 patients (42.1%). However, the treatment changed for only one (1.5%), and six patients (9.3%) received supplementary medication. There were no difference in the median length of hospital stay (8 [6-13] days vs. 8 [6-12] days, p=0.786) and intensive care unit care (14 [10.1%] vs. 11 [16.7%], p=0.236) between the CT and non-CT groups, respectively. These findings remained consistent even after the propensity score matching. Conclusion: Utility of CT in patients with acute COPD exacerbation might not be helpful; therefore, we do not recommend chest CT scan as a routine initial diagnostic tool.