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( Tae Hwan Ha ),( Tae Hoon Oh ),( Sung In Yu ),( Min Kim ),( Jong Wook Kim ),( Won Ki Bae ),( Jae Hyung Kim ),( Seung Suk Baek ),( Mi Jin Ryu ),( Ye Na Choi ),( Ji Young Park ),( Eileen L Yoon ),( Tae 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: Non-variceal upper GI bleeding (NVUGIB) is a common medical problem that has signifi cant association with morbidity and mortality. Angiographic detection and subsequent transarterial embolization (TAE) is a primary treatment option when medical and endoscopic treatments fail. We investigated clinical factors that could affect the success of the angiographic detection and prognosis after TAE in patients with NVUGIB refractory to endoscopic therapy. Methods: A retrospective analysis of the clinical data was done in patients with failed endoscopic treatment who underwent angiography for the treatment of acute NVUGIB between May 2002 and May 2013. Patients were divided into detection or non-detection groups according to the presence of bleeding stigmata in angiographic fi nding. Rebleeding defi ned as subsequent bleeding event within 7 days and mortality within 30days were analyzed as outcome parameters after TAE following detection in angiography. Results: A total 45 patients 37 (male, mean age, 65.9±14.9 years) were analyzed and classifi ed as a detection group (n=25, 55.5%) and non-detection group (n=20, 44.6%). Peptic ulcers were the most common cause of refractory NVUGIB. Larger transfusion amount (5.7±3.9 unit vs. 3.5±2.8 unit; P=0.03), prolonged aPTT level (34.2±17.3 sec vs. 21.8±13.8 sec; P=0.01) and short time interval between last endoscopy and angiography (17.5±25.9 hours vs. 34.3±59.5 hours; P=0.04) were found to be signifi cant factors for predicting angiographic detection. TAE was performed in all patients detected in angiography. Rebleeding (44%) was significantly associated with higher Rockall score (8.3±1.5 vs. 6.6±2.4; P=0.046) and mortality (12%) was signifi cantly associated with higher Rockall score (9.3±0.6 vs. 7.1±2.2; P=0.002) and higher level of BUN (55.3±47.4 vs. 27.6±17.4; P=0.01). Conclusions: Clinical characteristics associated with angiographic detection in patients with NVUGIB refractory to endoscopic therapy were severe bleeding, bleeding tendency and early angiographic intervention. The Rockall score is useful parameter for predicting rebleeding and mortality after TAE.
김종인,김종윤,김태형 대구대학교 산업기술연구소 2009 産業技術硏究 Vol.20 No.1
Nowadays, The number of occurrence of earthquakes has increased and accordingly the damage caused by earthquake has also increased around the world. Because it is difficult for earthquakes to be predicted in advance and earthquakes often occur concurrently, the needs for the study on the effects of earthquake was increased. Probability theory accumulated during a long time enables engineers to deal with uncertainties of structure quantitatively and to judge stability of structure reasonably. Existing method calculates uncertainties by applying safety factors but the method cannot consider the safety of structures quantitatively. When various stages of structural damage are considered, if the number of uncertainties are many, then a method is needed for assessing vulnerability and damage state appropriately. This study aims not only to present the way for finding fragility curve of structures by using universal structural analysis program and general probability density function but also to compare seismic isolation performance.
일본 '백화파'에 대한 한일 비교문학적 연구 : 이광수와 김동인을 중심으로 Mainly Lee Kwang-Soo and Kim Dong-In
김종태,강현구 한국현대문예비평학회 2003 한국문예비평연구 Vol.- No.13
After this treatise grasped the point that a character of the Baekhwa school was idealism, egoism, illuminism, and art for art’s sake, it investigated what appearances that these thoughts had reflected on the Korean modern literature to make Lee Kwang-Soo and Kim Dong-In two pivot objects of study. They, Lee Kwang-Soo and Kim Dong-In met with works and thoughts of the Baekhwa school writers to go to Japan about the time when they played an important role in the Japanese literary world. But they who had quite different characters and thoughts accepted the Baekhwa school through a different logical connection with each other. When He, Lee Kwang-Soo had met with works, he formed an enlightenment consciousness of idealism, and Kim Dong-In egoism and art for art’s sake. The Baekhwa school is the representative writers in the Japanese idealism. They are an important writers from the viewpoint of on the comparative literature of Korea & Japan novel because the Baekhwa school had an effect on two writers who formed the basis of the Korean modern novel. We find out that the Baekhwa school had an enormous effect on the Korean literature if we will consider a relative importance Lee Kwang-Soo and Kim Dong-In have come into possession of the history of Korean novel.
김종태 우리말글학회 2003 우리말 글 Vol.28 No.-
This treatise is to trace the poetic consciousness of 「Chu-Yong」, 「Chu-yong's sam-jang」, 「Chu-yong's dan-jang. I」 and 「Chu-yong's dan-jang II」 written by Kim Choon Soo. 「Chu-Yong」 and 「Chu-yong's sam-jang」, are the works centering around the consciousness of a pain in his childhood. It assumes an aspect that 「Chu-yong's dan-jang. I」 was internalized tragedy appeared while a consciousness of the bitter feeling from a pain in his childhood was deepening. It assumes the poet consciousness that 「Chu-yong's dan-jang II」 tried to overcome the tragedy in an excited tone. This poem is the work to be stronger in the propensity of insignificant poem than the aforementioned works. Kim Choon Soo dissolved the Chu-yong's myth in Shinla through "Chuy-yong's serial works" and gave Chuy-yong's different pictures in our age through the art's processes and a humanization of mythical character when we were wandering about within a modern life. Of course, the talker in "Chu-yong's serial works" is not only himself of the poet, but also a modern character experienced the story of tragedy in his life like Chu-yong. "Chuy-yong's serial works" is a modern conversionary working of a significant classic literature. Hence, the writer hopes that a lot of poet have a opportunity that a cultural heritage would be renewed through the conversionary working of the classic literature.
김종완,진승훈,김병익,김태균,김영순 대구대학교 과학기술연구소 2001 科學技術硏究 Vol.8 No.1
The definition of data mining is the non-trivial extraction of implicit, previously unknown and potentially useful knowledge from data. Also, data mining has been worked on various fields such as database, machine learning, statistics, expert systems, and data visualization, and is a process consisting of these techniques. In many E-Commerce applications, it is important to build personalized profiles of individual users from their transaction histories. These profile constitute models of individual user behavior and can be specified with sets of rules learned from user transactional histories using various data mining techniques. In this paper, we present a MAS (multi-agent system) for customer management which maintains personal user information automatically, commands retrieval of products according to user preference, and builds personalized profiles of user.
김갑환,김홍배,홍봉희,김기영,배종욱,최진오,김두열,이영기,박영만,박강태,손행대 한국경영과학회 1995 經營 科學 Vol.12 No.3
The Pusan Container Terminal faces a rapid increase in berthing time of container ships as well as in waiting time of external trucks, which is due to an absolute lack of yard space. This research is focused on the development of a decision support system for the planning of the container terminal yard assignment so that the yard space would be utilized most effectively. Efforts should be given to the reasonable assignment of the yard storage and the dynamic adaptation to the ever changing environment. The software introduced here is based o the know-how of the field exports and its framework takes the approach of the hierarchical decision making.
정전위 SSRT법에 의한 해양구조물용 Cu함유 고장력저합금강의 수소취성한계전위 규명에 관한 연구
김성종,박태원,심인옥,김종호,김영식,문경만 한국해양대학교 해양과학기술연구소 2001 硏究論文集 Vol.10 No.1
A marine structural material was well known to have high tensile strength, good weldability and proper corrosion resistance . Cu-containing high strength low alloy (HSLA) steel was recently developed for their purposes mentioned above, And the steel is free about preheating for welding, therefore it is reported that shipbuilding cost by using it can be saved more or less. However the marine structural materials like Cu-containing HSLA steel are being generally adopted with cathodic protection method in severe corrosive environment like natural sea water but the high strength steel may give rise to Hydrogen Embrittlement due to over protection at high cathodic current density for cathodic protection. In this study, Cu-containing HSLA steel using well for marine atructure was investigated about the susceptibility of Hydrogen Embrittlement as functions of tensile strength, strain ratio, fracture time, and fracture mode, etc. and an optimum cathodic protection potential by slow strain rate test(SSRT) method as well as corrosion properties in natural sea water. And its corrosion resistance was superior to SS400 steel , but Hydrogen Embrittlement susceptibility of Cu-containing HSLA steel was hider than that of SS400 steel. However Hydrogen Embrittlement of its steel by SSRT method was showed with pheonomena such as decreasing of fracture time. strain ratio and fracture mode of QC (quasi-cleavage) Eventually it is suggested that an optimum cathodic protection potential not presenting Hydrogen Embrittlement of Cu-containing of HSLA steel by SSRT method was from-770mV(SCE) to - 900mV(SCE) under natural sea water. (Received September 21, 2000)
목형의 엔드 밀링시 절삭조건에 따른 가공 특성에 관한 연구
김성일,김종택,김민호,신형곤,김태영 한국공작기계학회 2006 한국공작기계학회 추계학술대회논문집 Vol.2006 No.-
The cutting tests of wood patterns are carried out using CNC milling machine. The cutting forces and surface characteristics of machined surface are investigated at various cutting conditions such as spindle speed, feed speed, cutting direction of wood pattern and wood material. In the CNC end-milling, the surface roughness increases as feed speed increases and decreases as spindle speed increases. However, the cutting force and surface roughness are different along the cutting direction and material of wood pattern.
서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1998)
김재홍,김준호,반재용,이정우,황성주,정준규,정성태,강진문,조흔정,홍창의,정혜신,이한승,김이선,이봉길,이종호,선영우,한기덕,윤성필,이성훈,안종성,박석범,문승현,조항래,김형섭,류지호,황재영,박준홍,손상욱 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.1
In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria gonorrhoeae(PPNG), we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by menas of the chromogenic cephalosporin method. In 1998, 93 strians of N. genorrhoeae were isolated, among which 60(64.5%) were PPNG. The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 64.5% in 1998.