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자연산 점몰개, Squalidus multimaculatus Hosoya et Jeon의 새인두흡충, Clinostomum complanatum (Rudolphi, 1814) 감염
박명애 ( Myoung Ae Park ),서정수 ( Jung Soo Seo ),정승희 ( Sung Hee Jung ),최희정 ( Hee Jung Choi ),전은지 ( Eun Ji Jeon ),지보영 ( Bo Young Jee ),이완옥 ( Wan-ok Lee ),우승호 ( Sung Ho Woo ),이은혜 ( Eun Hye Lee ) 한국어병학회 2011 한국어병학회지 Vol.24 No.2
경상북도 영덕군의 하천에 서식하는 점몰개 spotted barbel gudgeon (Squalidus multimaculatus Hosoya et Jeon)의 근육에서 새인두흡충 Clinostomum complanatum (Rudolphi, 1814)의 피낭유충이 발견되었다. 감염된 점몰개는 "yellow grub"인 기생충의 피낭유충으로 인해 표면이 울퉁불퉁하게 보였으며, 수면위에 힘없이 유영하였고 일부 폐사한 개체도 발견되었다. 분리된 탈낭유충의 형태는 혓바닥 모양이었으며, 크기는 2.85~5.89 mm×0.8~1.99 mm였다. 어체당 1~98 개의 피낭유충을 분리하였으며 평균 감염수는 25개로 나타났다. 특히, 성어크기인 평균 7 cm 정도의 점몰개는 100% 감염되어 있었다. 본 연구는 한국의 자연수계에 서식하는 어류에서 C. complanatum 의해 질병이 발생하고 폐사가 일어난 첫 보고이다. The metacercariae of Clinostomum complanatum (Rudolphi, 1814) were isolated in the whole body muscle of wild freshwater fish, spotted barbel gudgeon (Squalidus multimaculatus Hosoya et Jeon) from the local river in Yeongdeok, Gyeongsangbuk-do, Korea. The infected fish with bumpy body surface by "yellow grub" showed erratic swimming behavior and some fish were died. The isolated excysted metacercariae were tongue shaped and 2.85~5.89 mm × 0.8~1.99 mm in size. 1~98 metacercariae were isolated in individual fish and mean infection intensity was 25. All examined adult spotted barbel gudgeon sizing 7 cm in body length were infected. This is the first report of disease outbreak and mortality caused by C. complanatum infection in wild freshwater fish in Korea.
객체 지향 方法을 이용한 멀티미디어 文書 편집기의 設計 및 具現
전은철,정혜윤,박성한 한양대학교 공학기술연구소 1992 공학기술논문집 Vol.1 No.1
This paper proposed a design technique of multimedia document editing system by using object-oriented methodology and its implementation using object-oriented language. The multimedia document editing system can generate a mixed document which consists of text, image, graphic and video, verifying the results by formatting document and process the information of position per page. The hierachical structured design of the class library is proposed where document processing methodolgy and object-oriented one are employed. The system is implemented with Turbo C++ package which provides object-oriented compiling function on a PC.
전은채,백민경,김성훈,박주승,권동일 대한금속재료학회 2004 대한금속·재료학회지 Vol.42 No.12
Continuous indentation test is getting more used to derive indentation flow curve. The overall deriving algorithm is relatively well-established, the details of the algorithm are, however, still argued. One of the arguments is the definition of true strain which constitutes the indentation flow curve. In this study, work-hardening exponent was adopted for determining what definition is appropriate to obtain accurate indentation flow curve since work-hardening exponent is affected by only the definition of true strain not by other constants. The effect of calibrating contact depth was eliminated using finite element analysis. Finally, the definition based on tangent function was determined to be proper for deriving the indentation flow curve. (Received September 8, 2004)
자궁내막에 발생한 점막 연관 림프조직 (MALT) 림프종 1예
전균호,조현진,박성균,김천복,김대연,김종혁,김용만,김영탁,목정은,남주현 대한부인종양 콜포스코피학회 2003 Journal of Gynecologic Oncology Vol.14 No.4
Non-Hodgkin's 림프종의 약 40%는 결절외(extranodal) 림프종으로 대개 위장관에서 발생하며 이들 중 점막 연관 림프조직(mucosa-associated lymphoid tissue: MALT)에서 기원한 림프종은 MALT 림프종으로 분류된다. 위 외의 부위에서 원발성으로 발생하는 MALT 림프종은 매우 드물지만 실제 거의 모든 신체 장기에 발생하는 것으로 알려져 있는데, 가장 흔한 부위인 위 외에도 폐, 갑상선, 침샘, 눈물샘에 발생하고, 드물게 안구, 유방, 방광, 신장, 흉선 등에도 보고된 바 있다. MALT 림프종은 오랜 기간동안 원격 전이하지 않고 국소 병변으로 남아 있는 특징이 있어 치료 방향 또한 국소 병변의 치료에 집중되며, 예후도 림프절 기원의 림프종에 비해 양호한 것으로 알려져 있다. 본 저자 등은 자궁 내막에 원발성으로 발생한 MALT 림프종 1예를 경험하였기에 문헌 고찰과 함께 이를 보고하고자 한다. Mucosa associated lymphoid tissue (MALT) lymphoma can rarely develop primarily in extranodal sites other than stomach which is the most common site for it. Other rare primary sites are small intestine, colorectum, esophagus, lung, thyroid, salivary gland, lacrymal gland, breast and skin. MALT lymphoma represents a distinct clinicopathologic features: it is usually localized to their original site for a long time and shows much more favorable prognosis than lymphoma at other site, but some MALT lymphoma can arise simultaneously or successively in different organ or give rise to another MALT lymphoma of other organ and can be multifocally disseminated or recurred. We report a very rare case of high grade B-cell lymphoma of mucosa associated lymphoid tissue (MALT) of the uterine endometrium, which was confirmed by immunohistochemical assay.
n-CdS_(0.46)Se_(0.54)/p-Cu_92-x)S_(0.46)Se_(0.54) 이종접합 태양전지의 제작과 그 특성에 관한 연구
유상하,최승평,이상열,홍광준,서상석,김혜숙,전승룡,윤은희,문종대,신영진,정태수,신현길,김택성,유기수 全北大學校 基礎科學硏究所 1994 基礎科學 Vol.16 No.-
승화방법에 의해 CdS_0.46Se_0.54 단결정을 성장하여 결정구조를 조사하고, Van der Pauw 방법으로 Hall effect를 측정하여 carrier density의 온도 의존성과 mobility의 온도 의존성을 조사하였다. 성장된 CdS_0.46Se_0.54 단결정을 치환반응하여 n-CdS_0.46Se_0.54/p-Cu_2-xS_0.46Se_0.54 이종접합 태양전지를 제작하였다. Spectral response, 전류-전압특성 및 전력변환 효율을 조사하여 그 결과로부터 개방전압은 0.48V, 단락 전류 밀도는 21mA/㎠, fill factor와 전력변환효율은 각각 0.75와 9.5%를 얻었다. CdS_0.46Se_0.54 single crystal was grown by a sublimation method. The crystal structure and the temperature dependence of carrier density and mobility of CdS_0.46Se_0.54 single crystal were studied. Heterojunction solar cells on n-CdS_0.46Se_0.54/p-Cu_2-xS_0.46Se_0.54 were fabricated by the substitution reaction. The spectral response, the J-U characteristics and the conversion efficiency of the n-CdS_0.46Se_0.54/p-Cu_2-xS_0.46Se_0.54 heterojunction solar cells were studied. The open-cricuit voltage, short-circuit density, fill factor and conversion efficiency of n-CdS_0.46Se_0.54/p-Cu_2-xS_0.46Se_0.54 heterojunction solar cells under 80mW/㎠ illumination were found to be 0.48V, 21mA/㎠, 0.75 and 9.5%, respectively.
정서 사진에 대한 정서 반응성 : 평가 공간에서의 분포
이은,강지인,박성혁,전종희,최재혁,김재진,안석균 大韓神經精神醫學會 2006 신경정신의학 Vol.45 No.1
Objectives : To investigate the nature of emotional responsiveness in norma) adults, we exam the emotional responses to emotional pictures in an evaluative space defined by arousal and valence. Methods : Subjects were instructed to rate the arousal and valence that they experienced from the presentation of one of two sets of 60 emotional pictures. These two picture sets were comprised of 107 pictures : 101 selected from Intetnational Affective Pictures System and six pictures from our own collection. According to "evaluative space model", the authors set an evaluative space defined by the arousal scores as independent variable and the valence scores as dependent variable. In this evaluative space, one-hundred-and-seven pairs of coordinates representing respective emotional pictures were plotted. With regression analyses, the steepness of the regression lines on the plots with positive emotional responsiveness (n=51) and those with negative emotional responsiveness (n=56) were compared. Results : In the evaluative space, the regression line of negative emotional responsiveness was significantly different from that of positive responsiveness. The slope of negative responsiviveness was significantly steeper than that of positive responsiveness. At a low arousal level, the absolute valence of a positive stimuli was larger than that of a negative picture. Conclusion : This finding indicates that the function of the negative affective responsiveness might be different from that of the positive responsitiveness. IAPS also seems applicable to Korean subjects.
혼합방식을 사용한 OFDM의 PAR 경감방식의 성능 해석
장은영,전제훈,김성곤,변건식 동아대학교 정보기술연구소 2003 情報技術硏究所論文誌 Vol.10 No.2
OFDM should be used for the fourth generation communication for high speed communication. Because of high spectral efficiency and high tolerance to fading channel, OFDM is applied to many high speed wire and wireless communication such as DAB(Digital Audio Broadcast), DVB(Digita1 Video Broadcast), IMT 2000 etc. Inter-modulation, however, is derived from PAR(Peak to Average Power Ratio) of OFDM signals. The paper describes PTS(Partia1 Transmit Sequence) and SLM(Se1ect Mapping) of an existing methods which can reduce PAR. And then this papers proposed the new method that is called "Combine method". The method proposed in this paper is to combine PTS and SLM. As a result of the simulation, Combine PAR method is better than the existing methods.