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조성환,손화영,김혜성,최종윤,류시윤,박배근,윤원기,홍성혁,김덕환 충남대학교 수의과대학 동물의과학연구소 2002 動物醫科學硏究誌 Vol.10 No.-
Pilomatricoma was histopathologically diagnosed in a 2.5-year-old male Alaskan malamute. The patient was referred to Chungnam National University, Veterinary Medical Teaching Hospital with solitary, firm and well-circumscribed mass at shoulder. Grossly, the mass was dome shaped to tumor like and 10 x 8 x 5㎝ in size. Some lesions had gritty or bony consistency and was chalky when sectioned Histopathologic feature included mumerous clusters of tightly arranged, basaloid cells with evenly distributed chromatin and ghost cells were characterized by a central unstained zone. The ghost cells often become calcified and osseous metaplasia was also present.
오연희,이현경,이원재,이성우,박수성,윤혜원,임문환,심재철,김용탁,김성숙,김정란 동국대학교 경주대학 1993 東國論集 Vol.12 No.-
Acute torsion of the ovary and ovarian mass is a recognized surgical emergency, but rarely has the diagnosis been made preoperatively on the basis of imaging studies. The sonographic findings in 14 cases of surgically proven torsion of the ovary and ovarian mass are described. Mostly cystic ovarian mass, engorged vessel, dilated uterine tube, beak-like echo(torsion site), smooth mass wall thickening an free-fluid collection in cul-de-sac are described. More significant in terms of specificity were the demonstration in 6 cases(42.9%) of the smooth mass wall thickening and in 8 cases(57.1%) of a free fluid in the cul-de-sac. We report the sonographic findings of ovary and ovarian mass torsion that may suggest the preoperative diagnosis of this condition.
서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1996)
김재홍,황동규,전재홍,김윤석,김중환,김용준,이창균,임동진,김현수,조창근,김경문,박상훈,전우형,김희성,이호정,차명수,김갑형,김형석,김석우,황지환,박병순,권오상,이민수,송기훈,성소영,이인섭,부태성 대한화학요법학회 1999 대한화학요법학회지 Vol.17 No.2
Background : In recent years, gonorrhea has been panedemic and remains one of the most commom STDs in the world, especially in developing countries. Objective & Methods: For the detection of a more effective therapeutic regimen and assessing the prevalence of PPNG, we have been trying to study the patients who have visited the VD Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results: In 1996, 139 strains of N. gonorrhoeae were isolated, among which 53(39.0%) were PPNG. Conclusion: Our results suggests that after a peak of 74.3% in 1993, the prevalence of PPNG in Seoul is gradually declining.
이유선,정진옥,박용규,박형서,노상필,정승현,김정희,이재환,최시완,성인환 충남대학교 의학연구소 2003 충남의대잡지 Vol.30 No.2
급성 심근염환자에서 발행한 완전 방실차단을 영구 심장박동 조율기로 치료한 1예를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Myocarditis, an inflammatory process involving the myocardal wall, may be caused by most infectious agents. Irrespective of its etiology, it presents commonly with evidence of heart failure, hypotension, and various electrocardiographic abnormalities. Patient with myocarditis may be asymptomatic or may have a rapidly progressive fatal disease. Medical management of patients with myocarditis includes specific therapy for underlying infection and control of the complication of myocarditis such as congestive heart failure and arrhythmia. Recently we had experienced myocarditis with complete atrioventricular block in 37-year-old man. Although he had shown complete recovery of heart failure, he had shown complete atrioventricular block, so we inserted permanent pacemaker. We report it with review of the literature.
成煥泰 慶熙大學校 1983 論文集 Vol.12 No.-
Under machine elements. Gears are the most important element of power transmission. The more requisite of machinery heavy-loading, high speed, lightweight increased, which gears demand severe operating conditions. Gear design set a subject the most important of machine design, and connected with vibration, noise and environment matters, efficiency elevation of gears equipment was treated. The representative Gear strength formulas are AGMA formula of America, B.S. formula of England, DIN formula of Germary, JSME formula of Japan etc. In this paper introduces gear strength formula of each state, which compared and examined.
任聖彬,李勝煥,金東寧,鄭義溶 명지대학교 1982 明大論文集 Vol.13 No.-
This study is purported to forecast the demand on subway ridership by using Urban Transportation Planning System(UTPS) which is considered the most efficient of the various demend forecasting programs ever developed. In the study, UTPS Package is introduced, and every program included therein was test-run to analyze any possible limitations and device appropriate methods applicable to a transportation planning in Korea. Various data available in Seoul city were input and necessary caliblations were performed. These results were demonstrated by carring out to the demand forecasting for the Seoul subway lines 2, 3 and 4 and are expected useful for further applications.
Green-Kubo 형식에 의한 전기전도도 Tensor
崔尙惇,李三寧,李國煥 경북대학교 산업기술연구소 1987 産業技術硏究誌 Vol.14 No.-
Electric conductivity tensor is obtained on the basis of the Green-Kubo formalism.
정신분열병 환자에서 청각 사건관련전위 P300의 비대칭성
전양환,한상익 대한신경정신의학회 2001 신경정신의학 Vol.40 No.1
연구목적: 본 연구는 정신분열병 환자들에게 청각 사건관련전위 P300의 비대칭성이 있는지를 알아보기 위해 시도 되었다. 방법: 대상군은 DSM-VI에 의해 진단된 정신분열병 환자군 20명과 나이와 성별을 일치시킨 정상인 대조군 20명으로 하였다. 청각 사건관련전위 P300은 'oddball'모형을 기록하였다. P300의 결정은 고전적 방법에 의해 결정하였으며 5군데에 위치한 전극(Fz, Cz, Pz, T₃,T₄)에서 측정하였다. 결과: 정신분열병 환자군의 P300 전위는 정상 대조군 보다 5개 전극 부위 모두에서 감소되어 있었다. 두 군사이에 비대칠성의 차이는 없었다. 결론: 이 소견은 정신분열병 환자에서 청각 사건관련전위 P300과 그 정보처리 과정이 비대칭적으로 나타나지 않는다는 것을 시사한다. Objectives : The present study was designed to investigate whether asymmetry of auditory event-related potential P300 was shown in patients with schizophrenia or not. Methods : The subjects were composed of patients(N=20) with schizophrenia by DSM-IV and normal controls(N=20). The auditory event related potential P300 was measured by "oddball paradigm". P300 component was determined by classic method at 5 electrodes(Fz,Cz, Pz, T3, T4). Results : P300 amplitudes of patients were smaller than those of controls across all electrodes. Asymmetry of auditory event-related potential P300 was not shown between patients with schizophrenia and normal controls. Conclusion : It is implicated that auditory event-related potential P300 and its information processing should not be elicited asymmetrically in schizophrenia.
박성환,이우정,최혁재,송보완,김동현,김남재 EAST-WEST MEDICAL RESEARCH INSTITUTE KYUNG HEE UNI 2005 東西醫學硏究所 論文集 Vol.2005 No.-
We have studied the physico-chemical change and pharmacological transformation of traditional herbal medicines with processing. Evodia fruit (EF) has processed for the purpose of detoxification and reduction of its bitter taste. There are various methods of processing EF in Oriental medicinal references. Among them, we processed EF according to the method of Sang-han theory, the most famous medicinal reference. We processed EF with washing in hot water, and then dried. Processed EFs(PEFs) were prepared according to the above procedure through repetition of 1,3,5 and 7 times respectively. The contents of weight loss, water extract, diluted ethanol extract, ether extract, total ash, acid insoluble ash, alkaloids and limonin in non-processed EF (NPEF) and PEFs were examined. The weight loss, and contents of water extract and dilute ethanol extract in PEF showed decrease in proportion to increase of washing time, while the contents of ether extract, total ash and acid insoluble ash showed little change as compared with those of NPEF. And the content of evodiamine and rutaecarpine was not changed distinctly. However, the content of limonin decreased in the final processed material in proportion to increase of washing times with hot water. And the intense of bitter taste in PEF was also reduced. These results were ascribed to the flowing-out of the water-soluble portion. The biological activities of NPEF and PEF were also investigated. In the test of DPPH scavenging effect, xanthine oxidase inhibition effect and TBA-Rs effect, PEF was more effective than NPEF in vitro. Also, both NPEF and PEF showed potent analgesic and anti-inflammatory effects against in mice. Especially, PEF by 3 times washing with hot water was more effective than other PEFs. From these results, it is considered that PEF should be prepared by 3 times washing with hot water.