抗히스타민劑의 吸光度比法에 의한 定量

李允中,李康春,李東宣,李振九 成均館大學校 1980 論文集 Vol.28 No.-

The absorbance ratio method was applied to the quantitative determination of antihistamines, such as chlorpheniramine maleate(CPM), carbinoxamine maleate(CBM) and diphenhydramine hydrochloride. The influences of indicator and solvent concentration on the precision and accutacy of determination were investigated. And it was found that the effects of temperature and wavelength was negligible in case of averaging conditions. The standard deviations for three antihistamines tested were within 0.13%. As the results, the determination of antihistamines could be carried out easily, rapidly and accurately by the absorbance ratio method.

폴리에스테르 섬유 감량시스템용 프로세서 타이트레이터 개발

조진호,이흥락,이종현,김명남,구성모,김무영,진경찬,유병희,강민수,김국진 경북대학교 센서기술연구소 1993 연차보고서 Vol.1993 No.-

폴리에스테르 섬유 감량시스템의 제어를 위해서는 처리조 내에서 감량되는 섬유가 목표 감량치에 도달했는지를 판단해 주는 장치가 필요하다. 본 연구에서는 가성소다용액의 초농도 및 섬유 감량 정도의 정확한 측정과 감량 종료시간의 산출 및 이에 따른 종료신호를 발생할 수 있는 폴리에스테르 섬유 감량기 전용의 자동적정장치를 개발하였다. To control caustic soda treatment system for the polyester fabric reduction, we need the device to determine that the fabric has been arrived target reduction value. In this study, we develope an automatic process titrator for the caustic soda treatment system. Major functions of the target titrating system are accurate measurements of the caustic soda concentration and then producing the end point signal for caustic soda treatment system.

낭성법랑모세포종, 함치성낭, 치성각화낭의 방사선소견과 Ki-67, PCNA, Cytokeratin 발현과의 연관성에 관한 연구

송만용,이삼선,이진구,이원진,허민석,이재일,민병무,최순철 대한구강악안면방사선학회 2004 Imaging Science in Dentistry Vol.34 No.2

Purpose : To compare the proliferation potential of the epithelial cells between unicystic ameloblastoma (UA), dentigerous cyst (DC), and odontogenic keratocyst (OKC) and to correlate this proliferation potential with the radiographic features of these three pathoses. Materials and Methods : Immunohistochemical expression of PCNA, Ki-67, and cytokeratin as a proliferation marker were assessed for 15 cases of UA, 15 cases of DC, and 15 cases of OKC. The degree of immunochemical expression of three proliferation markers were correlated with the radiographic features, especially cortical expansion (negative and positive) and shape of border (scalloped and round). Results : Using PCNA and Ki-67, OKC showed the highest proliferation potential and UA the lowest. Statistically significant differences were found between the OKC and the UA (p.0.05). However, no statistically significant difference was present according to the radiographic features in all pathoses. Using cytokeratin, there was no significant differences of proliferation potential among three pathoses. Conclusions : OKC epithelium has the most intense proliferation potential, followed by the dentigeous cyst and then unicystic ameloblastoma. There is no significant relation between the radiographic features and the proliferation potential of epithelium of these three pathoses.

전산화단층사진을 이용한 하악골 비대칭 환자의 저작근 평가

최순철,이선복,이진구,이원진,허민석,이삼선 大韓口腔顎顔面 放射線學會 2004 Imaging Science in Dentistry Vol.34 No.1

Purpose : To compare the size of the masseter and lateral pterygoid muscle between the affected and the unaffected side of the patients who have the chief complaints of the mandibular asymmetry. Materials and Methods : Twenty two patients (male: 4, female: 18, average age: 21.3 year-old) were radiographed using posterior-anterior (P-A) cephalography and computed tomography (CT). On P-A cephalography, the degree of deviation was determined by the distance from the mentum to the vertical reference line through the crista galli and the anterior nasal spine. On the scanned tracing papers of the maximum cross-sectional area of the masseter and lateral pterygoid muscle using axial CT images, the pixel number was measured. The ratio of the affected : unaffected sides were obtained. For the masseter and lateral pterygoid muscle, the relationship between the muscular volume and degree of skeletal hypoplasia was studied. Results : The half cases showed no skeletal asymmetry. The lateral pterygoid muscle of the affected side was larger significantly than unaffected side (p<0.05). However, there was no significant difference between two sides in the cases of skeletal asymmetry. There was only significant difference in the cases without skeletal asymmetry (p<0.05). Conclusions : To some extent, the slight mandibular hypoplasia could affect the growth of some masticatory muscles.

The role of hLHX6-HMR as a methylation biomarker for early diagnosis of cervical cancer

정삼일,정동준,김진선,Lisha Yi,구근호,이재혁,이순덕,박진화,BOOGI CHANG,김창환,김창진,이명숙 Sookmyung Women's University Research Institute of 2010 여성과 건강 Vol.6 No.1

The role of hLHX6-HMR as a methylation biomarker for early diagnosis of cervical cancer

정삼일,정동준,김진선,Lisha Yi,구근호,이재혁,이순덕,박진화,BOOGI CHANG,김창환,김창진,이명숙 Sookmyung Women's University Research Institute of 2010 여성과 건강 Vol.6 No.1

산유체모델에 의한 Building downwash 현상 해석

구윤서,최상민,이진호,윤희영 안양대학교 산업기술연구소 2000 自然科學硏究 Vol.7 No.-

본 연구에서는 굴뚝주변에 위치한 건물에 의한 세류현상을 보다 정확히 모사하기 위해서 전산유체모델을 이용하였다. 계산 신뢰도를 검증하기 위해서 전산모델 계산치와 1993년 Thompson의 추적자 실험에 의한 실측치 및 대기 환경영향평가에 많이 사용되는 ISCST3 모델 계산치와 각각 비교하였다. ISCST3에서는 건물의 영향을 고려하기 위하여 BPIP을 이용, 건물의 높이와 폭을 결정하여 모델링을 수행하였다. 전산유체모델에서는 건물을 형상화시키고 굴뚝에서 오염물질을 배출시켜 확산 계산을 하였다. 전산유체모델로 모사한 결과, 건물의 후면에 wake가 발생하는 것을 볼 수 있었고, wake zone의 길이는 건물 높이의 약 2배가 되었다. 오염물질 농도를 비교한 결과 ISCST에서는 최대 농도값과 착지점이 일치하지 않았으나, 전산유체모델로 계산한 결과는 추적자 실험치와 거의 일치한 값을 나타냈다. This study used the computational fluid dynamic(CFD) for describing a dispersion influenced by building downwash. We compared calculated concentrations with Thompson's tracer experiment and ISCST3 models. In calculating ISCST3 model, BPIP(Building Profile Input Program) was used to estimate building heights & widths corresponding to a specific wind direction. Results show that ISCST3 model is not appropriate to describe the building downwash but CFD model, which calculates the flow fields and dispersions simultaneously, is in good agreement with tracer measurements. In order to describe the dispersion induced by building wake near the stack, it is recommended to use CFD model.

언론 공과업의 본질에 관한 고찰

李鎭求 東亞大學校 大學院 1997 大學院論文集 Vol.22 No.-

Zu der ?ffentlichen Aufgabe, die die Massenmedien im Gef?ge einer komplexen modernen Gesellschaft wahrzunehmen und zu erf?llen haben, z?hlt in erster Linie die im weitesten Sinnu zu verstehende Information der ?ffentlichkeit ?ber alle gesellschaftlichen und politischen relevanten Belange. Der Begriff Information beinhaltet freilich nich nur den einfachen Transport einer Mutteilung von einem Sender zu einem Empf?nger, er impliziert zugleich die subjektive Stellungnahme siens Mediums zu einem Ereignis, die Realisierung des Grundrechts auf Information mittels fer Kritik des ?ffentlichen Lebens und damit die Mitwirkung an der Bildung der ?ffentlichen Meinung. Damit leisten die Medien nicht nur eine Art Lebenshilfe f?r jene, die solcher Hilfe bed?rfen, sie sorgen auf diese Weise auch f?r Friedensicherung nach innen und au?en. Bei der Wahrnehmung dieser ?ffentlichen Aufgabe konkurrieren die Medien jedoch auch mit jenen Bem?hungen, die Staatsorgane, Parteien, Kirchen und gesellschaftliche Institutionen unternehmen, um ihre Sichtweise der Dinge "an den Man" zu bringen. Diese partielle Konkurrenz sorgt daf?r, da? immer wieder um den Begriff des institutionellen Charakter der ?ffentlichen Aufgabe gerungen wird, da der Begriff der ?ffentlichen Aufgabe juristisch noch nicht klar genug definiert ist, zumal im Deutschland des Dritten Reiches (1933-1945) Mi?brauch mit dem verfasungsrechtlich fixierten Recht auf Information getrieben wrude, indem die Medienlandschaft gleichgeschaltet und in den Dienst der staatlichen Propaganda gestellt worden war. Indes sollte das historisch "schlechte" Beispiel weder den Blick auf die wichtige Dimension der ?ffentlichen Aufgabe noch auf die Notwendigkeit einer vern?nftigen Definition der Begriffe "?ffentlich" und "Aufgabe" verstellen. Ebenso erforderlich ist es zudem, die Bedeutung und den Inhalt dessen zu erfassen was als "im ?ffentlichen Interesse liegend" beschrieben wird. Nach meinen Betrachtungen in diesem Artikel soll die Eigenschaft der ?ffentlichen Aufgabe wie folgt verstanden werden. In der Erf?llung der ?ffentlichen Aufgabe durch die Massenmedien realisiert sich ein Gebot des Verfassungsrechts, das seinerseits wiederum auf die Realisierung der Idee der liberalen Demokratie zur?ckgeht. In diesem Sinne fungiert die von Journalisten wahrzunehmende ?ffentliche Aufgabe nicht als pure Zwangsverpflichtung sienes Berufsstandes - sie bindet diesen vielmehr ethisch, da die Massenmedien und ihre Sachwalter den berechtigten Interessen der ?ffentlichkeit dienen.

구내방사선 필름의 표면소독효과에 관한 연구

이진구,박태원 大韓口腔顎顔面 放射線學會 1992 Imaging Science in Dentistry Vol.22 No.2

The purpose of the study was to determine whether Sodium hypochlorite and Glutaraldehyde would be effective for the surface disinfection of contaminated radiographic film pockets with salival. 1. Proper times for surface disinfection of 2.0% Glutaraldehyde and 3.5% Sodium hypochlorite were 60 seconds. 2. When films were immerged in 2% Glutaraldehyde solution for 1 minute, baterial colonies were present in 24 cases(80%). 3. When films were immerged in 3.5% Sodium hypochlorite solution for 1 minute, bacterial colony was absent in 25 cases(83.3%) 4. Differences of effectiveness on surface disinfection between 2% Glutaraldehyde and 3.5% Sodium hypochlorite were statistically significant.

실내 조명의 패턴변화에 따른 밝기감 평가 실험

이진숙,김재구,최경락 忠南大學校 産業技術硏究所 1995 산업기술연구논문집 Vol.10 No.1

Lighting pattern is very important factor to improve efficiency in indoor lighting. The purpose of this study is to grasp that lighting patterns influence brightness. Experiment was carried out by scaled-models changed as lighting patterns and evaluations of brightness were done by Magnitude Evaluation Method and Semantic Difference Method. These were analyzed as Standard Score(Z score) by statistics. The results of this study are summarized as follows. 1)The shorter accomodate-time is, the more brightness increase. 2)The more luminance increase, the more brightness increase. 3)Lighting pattern of unbalance is low brightness.