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서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1994)
김재홍,안진균,정성재,김영태,김중환,김시영,이석종,이홍렬,서호석,김경훈,권혁진,정우권,고우석,이용석,안필수,오준규,오용섭 대한화학요법학회 1996 대한화학요법학회지 Vol.14 No.1
Background : In recent years gonorrhoea has been panendemic and remains one of the most common Sexually Transmitted Diseases in the world, especially in developing countries. Objective & Method : For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria Gonorrhoeae(PPNG), Ive 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 1994, 168 strains of N. gonorrhoeae were isolated, among which 109 (64,9% ) were PPNG. Conclustion : Our results suggests that the prevalence of PPNG in Seoul is still increasing.
정재현,이은지,이은주,황진원,송영진,최병진,김일환,김종윤,허민영,김동욱 인제대학교 2009 仁濟醫學 Vol.30 No.-
Neonatal lupus is a rare syndrome occurring In neonates with tranplacentally acquired maternal autoantibodies, In particular anti-SSA/Ro-SSB/Ra antibodies. Manifestations include congenital heart block, cutaneous lesions, thrombocytopenia, neutropenia, pulmonary or neurological disease and hepatitis. The non-cardiac manifestations resolve by 6 months of age, congenital heart block is irreversible. We experienced a case of neonatal lupus with congenital complete heart block in a newborn of asyptomatic mother with anti-SSA/Ro-SSB/Ra antibodies.
김진환 동의대학교 산업기술개발연구소 2001 産業技術硏究誌 Vol.15 No.-
A construction of 3 dimensional hierarchical elements is investigated for a use with higher order elements. The basis functions are composed by tensor products of 1-D hierarchical functions, and a systematic treatment of essential boundary values has been developed for the degrees of freedom corresponding to higher order terms. The numerical study for the elliptic problem showed that the present scheme can increase the cenvergence and accuracy of finite element solutions, and can be more efficient than the standard first order with many elements.
金永煥,鄭眞宇,朴炫權,金萬義 慶北大學校 師範大學 體育學硏究會 1991 體育學會誌 Vol.19 No.-
We gained the results like next, according to the analysis and measurement of record on pole vault event, in male 218, from 1985 to 1991(for 7 years). (1) We gained the distribution chart like figure 3 and also we gained the average value like figure 4 (2) We gained a new standard value of evalution pole Vault like figure 6 (3) As we know in figure 7 In the result of comparision between old and new standard value, we can gain following: (a) The evaluational of student gained record 230㎝, old standard is score of 80, but new standard have to gain score of 80, make to increase 11㎝. (b) In the cases of new standard, on the score of 60, 95, 100, the level of old standard is high and on the score of 65∼90, it shows for the record to decrease. From 1992 season, we decided to apply this new standard value.
새로운 직접분사식 디젤분무충돌 연소실 시스템에 관한 고찰
김진환,김재휘 東義大學校産業技術開發硏究所 1998 産業技術硏究誌 Vol.12 No.-
There are a number of studies using spray impaction on the wall, that makes breaked-up droplets by impaction be distributed in the free space of combustion chamber. In this study the characteristics of the impaction spray, for instance, the size-, distance-, angle- of the impaction land prepared for the injection spray are analyzed, and from the result of experiments a new combustion chamber is proposed. The characteristics of the new combustion chamber is better than that of conventional type from the view of spray distribution and SMD.
무선 POS 단말기를 이용한 효율적인 대금결제방법에 대한 연구
김진환 영산대학교 2004 영산논총 Vol.14 No.-
This paper is a study on the efficient electronic payment method using wireless POS (point-of-sale) Terminal. We propose the efficient management of electronic receipt including electronic signature and information of the client's credit card. Also, the method which is proposed by using technology of dynamic signature verification, will provide higher security for the user authentication, prevent using by stealth of credit card and reduce an expense and the dispute which occur from transactions.
김보영,박용규,박형서,노상필,정승현,이유선,이정우,이재환,최시완,정진옥,성인환 충남대학교 의과대학 의학연구소 2003 충남의대잡지 Vol.30 No.1
Atherosclerosis is now viewed as an inflammatory disease of the vascular system. Expression of several chemokines, including monocyte chemoattractant protein(MCP)-1, MCP-4, RANTES(regulated on activation normal T-cell expressed and secreted), and interleukin-8(IL-8) are increased in human atherosclerotic plaques compared with normal vessels. They are involved in the pathogenesis of atherosclerosis and plaque rupture by activating and directing leukocytes into the atherosclerotic lesions. However, some are involved in homeostatic functions such as normal leukocyte traffic and growth regulation. SDF-la is a multi-functional cytokine that is involved in myelogenesis, hematopoiesis, angiogenesis and injured gastric mucosal regeneration in the gastric ulcer patient. SDF-la is recently shown to be highly expressed in atherosclerotic plaques and a potent platelet agonist. At least in high concentrations, SDF-la may mediate antiinflammatory and matrix stabilizing effects in unstable angina. Many studies are going on to know the function of SDF-la in coronary artery diseases. I investigated the difference of the plasma level of SDF-la between control group and coronary artery disease group. Total 75 subjects were enrolled. The diagnosis of coronary artery disease was confirmed in all patients by coronary angiography. Control subjects in this study were confirmed normal by coronary angiography. Clinical profile and risk factors were also reviewed. Control subjects in this study were 27 (M=10, F=17). Plasma for the study was collected before the angiography and centrifuged. SDF-la analysis was performed by ELISA. Plasma level of SDF-la is significantly increased in patients with stable angina(n=20) and unstable angina group(n=28) compared with healthy control group(n=27). the risk factors do not influence the plasma level of SDF-la in coronary artery diseases. In this study, plasma level of SDF-la is increased in patients with stable angina and unstable angina groups compared with healthy control group(P<0.05). the risk factors do not influence the plasma level of SDF-la in coronary artery diseases.
김진환 동의대학교 산업기술개발연구소 2006 産業技術硏究誌 Vol.20 No.-
A multi-level substructuring(MLSS) method has been presented as an efficient solver for fluid flow computations in conjunction with the finite element method. The present paper investigates possibilities of MLSS as a preconditioner. The MLSS developed so far consists of four stages such as a gathering, a condensing, a solving and a scattering stage. Each stage performs level by level. At each level, a predetermined number of elements are gathered and condensed to form an element of higher level. This study employs a gauss-seidel iterative method instead of a direct inversion. Time comparison has been shown with energy norm of errors.