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혈전 발생의 위험 인자가 없는 환자에서 급성 신우신염에 의해 유발된 신정맥 혈전증 및 폐색전증
이광수,김아름,이승연,정주홍,김미정,이진수,정문현,홍기천,조순구 대한감염학회 2009 감염과 화학요법 Vol.41 No.5
Renal vein thrombosis (RVT) is not an uncommon condition amongst patients with nephrotic syndrome or malignancy. Septic pulmonary embolism (SPE) is associated with risk factors such as intravenous drug use, pelvic thrombophlebitis, and suppurative processes in the head and neck. However, acute pyelonephritis is a rare cause of RVT and SPE. Case reports on RVT and SPE due to acute pyelonephritis are rare. In most of the earlier cases, patients had underlying conditions such as diabetes mellitus, renal carcinoma, calyceal stones, and hyperhomocysteinemia. We report a case of acute pyelonephritis complicated by RVT and SPE that occurred in a patient without any predisposing risk factors for thromboembolism. RVT and SPE were diagnosed using computed tomography and ventilation/perfusion scan. The patient recovered with antibiotics and anticoagulation therapy without any surgical interventions.
퍼지 개념을 이용한 퍼지 관계 데이타베이스 관리 시스템에 관한 연구
이기영,정순홍 서울保健大學 1993 論文集 Vol.13 No.1
In the real world, there exists imprecise data which can not be defined in well-defined forms. Futhermore, much of human reasoning deals with imprecise, incomplete or vague information. However, the currently available commercial database management systems handle only "exact" data items. Therefore, there is need for an database system that allows representation and manipulation of the imprecise information. The purpose of this study is to handle the imprecise information by using the fuzzy terms in the query.
이창수,지홍기 한국환경과학회 2003 한국환경과학회지 Vol.12 No.3
A water quality analysis of rainwater collected from catchment equipment(2m×1m) was conducted to determine its suitability for domestic purposes, in this study. As the results of analysis, the pH of rainwater was 6.3±0.3, and the turbidity of rainwater was over the 5 times than drinking water guidelines. For the usage of rainwater as the domestic and drinking water, the rainwater is need to treat. The analysis value of BOD was about 3 ㎎/L and the values of heavy metal as the Pb, Cd, Fe, Mn, Cr_6 and Cu was satisfied with drinking guidelines. Overall results of analysis support the possibility of rainwater as the domestic and drinking water.
洪起天,李恩一,金光鍾 고려대학교 의과대학 1994 고려대 의대 잡지 Vol.31 No.3
To study the effects of exposure to carbon disulfide on blood pressure and serum cholesterol level, we gathered the informations from file of the periodic health examination for occupational disease, the periodic health examination for general disease and medical records in, Wonjin factory clinic. The study subjects were 266 workers who had worked in spinning department as exposure group, and 207 male office workers and 59 female office workers as non-exposure group. The results are as follows; 1. The slope coefficients of systolic blood pressure(as dependent variable) and age and exposure duration(as independent variable) were 0.013 and 0.066 respectively in exposure group. And the slope coefficients of diastolic blood pressure(as dependent variable) and age and expoure duration(as independent variable) mere 0.010 and 0.051 respectively in expoure group. 2. The slope coefficients of systolic blood pressure(as dependent variable) and age and tenure duration(as independent variable) were 0.019 and 0.009 respectively in male unexposure group, and were 0.032 and 0.018 respectively in female unexposure group. And the slope coefficients of diastolic blood pressure(as dependent variable) and age and tenure duration(as independent variable) were 0.016 and 0.009 respectively in male unexposure group, and were 0.019 and 0.033 respectively in female unexposure group. 3. The slope coefficient of exposure duration was greater than that of age in exposure group and that of age was greater than that of tenure duration in male unexposure group. 4.There was no significant difference of blood pressure between the exposure and non-exposure group. 5.The slope coefficients of Serum cholesterol(as dependent variable) and age and exposure duration(as independent variable) were 0.03 and 0.035 respectively in exposure group. The slope coefficients of serum cholesterol(as dependent variable) and age and tenure duration(as independent variable) were 0.102 and -0.012 respectively in male unexposure group. And the slope coefficients was very low in female unexposure group. 6. The slope coefficient of exposure duration was similar to that of age in exposure group, and only age was positively related to serum cholesterol in male unexposure group.
이경복,박기현,한민홍 한국경영과학회 2001 한국경영과학회 학술대회논문집 Vol.- No.1(2)
This paper describes a method for saving traffic accident images in SMC(Smart Media Card), which is served as objective proof. SMC served being small-sized, strong, easy to attach and take off, which enables users image and voice-information service such as digital camera, MP3 Player, PDA and so on. Above all on account of it's high-speed in saving. The result of using SMC is saved pictures for 15 second before and after traffic accident image(320×240×8bit) into 8 frames/sec using a voice-recognition method or image recognition method. These pictures can be revived by PDA or mobile computer through up-loading serial/parallel communication or USB communication. This method could be applied to develop BLACKBOX.
당밀의 첨가가 갈근탕박 사일리지의 품질과 산양의 기호성에 미치는 영향
김성복,문계봉,이봉덕,오홍록,배형철,이수기 충남대학교 농업과학연구소 2006 농업과학연구 Vol.33 No.1
Two experiments were conducted to investigate the effects of molasses supplementation to silage materials in ensiling Galgeuntang (herbal medicine) meal on the quality of silage, and its palatability in Korean native goats. In experiment Ⅰ, molasses was added at the levels of 0, 0.5, and 1.0% to Galgeuntang meal with three replicates per treatment. In experiment Ⅱ, three 1.5-yr-old Korean native goats were used to measure palatability. In experiment Ⅰ, lactic acid contents in molasses treatments were significantly(p<0.05) higher, and pH and butyric acid contents were lower than those of non-molasses treatment. In addition, molasses treatment increased total microbial cell counts in MRS medium for lactobacillus, but decreased total microbial cell counts in PDA medium for fungi. Molasses supplementation to silage materials increased in vitro dry matter disappearance. Molasses supplementation tended to increase silage intake in Korean native goat (experiment Ⅱ), but the difference was not significant(p>0.05). It is concluded that molasses supplementation to silage materials in ensiling herbal medicine meal could improve its preservability and palatability, the higher the better.
경화방법에 따른 아크릴 레진 표면의 물리적 성질에 관한 연구
홍순호,이기대 慶北大學校 齒科大學 1987 慶北齒大論文集 Vol.4 No.1
Two principal techniques have been used in relining dentures: the direct intraoral application of acrylic resin and the indirect method which use heat cured acrylic resin. In this study, to observe the physical properties of acrylic resin surfaces by curing procedure in indirect methods which used heat cured acrylic resin and self cured ??erylic resin. The results were as follows: 1. In two types of resin, the surface hardness of heat cured specimen higher than self cured specimen. 2. In two of resin, there was difference in the surface roughness. 3. In two types of resin, the surface porosity of self cured specimen more larger and number than heat cured specimen.