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김재이,윤태양 東新大學校 工業技術硏究所 2003 工業技術硏究 Vol.9 No.-
The grounding system design of the communication base station can be on the unfavorable conditions to induce the safe designing because of the limited area of the communication base station and the week point of surge caused by the given geographical condition such as the top point of mountain. In this thesis, it is examined throughly about the way of safe designing that can reduce GPR(Ground Potential Rise) within the normal frequency band. And it is also considered the effective counter plan to cope with a transient phenomena that happen when surge of scores MHz-band inserted.
김재이,고태석 동신대학교 환경연구소 2004 환경연구 Vol.9 No.1
In this paper, the secular changes of buried grounding electrodes was investigated; the electrodes are such facilities as grounding grid, grounding connector, grounding terminal and grounding rod etc.. The corrosiveness of removed substation grounding electrodes after commercial operation more than 50 years was measured and its conductivity deterioration trend was analyzed. The measuring results using three experimental methods were compared, finally the consideration for safe and economic grounding design were shown.
계태에서의 31P 자기공명분석법을 이용한 인대사변화의 추적
홍창의,임태환,이정희,이대근,유시준 울산대학교 의과대학 1994 울산의대학술지 Vol.3 No.2
Chick embryo is a convenient model for embryologic teratologic studies. We performed the present experimental study to establish the basic technology for magnetic resonance studies of chick embryos and to examine the biochemical changes occurring during the development of chick embryos. Fertilized Leghorn eggs were examined by 31-phosphours magnetic resonance spectroscopy (??P-MRS) on days 6, 9, 12, 14, 15, 17 and 20 after the start of incubation. Spectroscopic data of live embryos were acquired by using a 4.7T MR spectrometer, and signals from phosphorous metabolites were analyzed. Total phospholipid signal decreased, which resulted in the overall decrease in total phosphorous signal over time. Signals from other metabolites such as ATPs and phosphocreatine increased over time, while those from inorganic phosphate and sugar phosphates decreased. Before the incubation days 12, signals from sugar phosphates and inorganic phosphate were predominant, and other metabolites became remarkably functional between the days 12 and 14 when the decrease in the phospholipid signal was significant. MR specrtroscopy is an effective method in evaluation of the biochemical changes occurring during the developmental period of chick embryos.
문형남,고태성,박영서,박윤아,홍창희 울산대학교 의과대학 1994 울산의대학술지 Vol.3 No.1
From May to July 1993, we observed an epidemic of aseptic meningitis. We performed clinical and virological studies on 174 children with aseptic meningitis who had been admitted to the Department of Pediatrics, Asan Medical Center, from May to July, 1993 The results were as follows; 1) This epidemic of aseptic meningitis was most prevalent in June 1993. The most of the patients were 3 to 6 years old and male to female ratio was 1.6 : 1. 2) The most patients suffered from fever, vomiting, headache, and abdominal pain was noticed in 36% of patients, characteristically. 3) In 7 cases among 10 randomly sampled cases, enterovirus was cultured. Among them, we performed serotyping in 3 cases and Echovirus 9 was isolated.
( Yee Hyung Kim ),( Kwang Ha Yoo ),( Jee-Hong Yoo ),( Tae-Eun Kim ),( Deog Kyeom Kim ),( Yong Bum Park ),( Chin Kook Rhee ),( Tae-Hyung Kim ),( Young Sam Kim ),( Hyoung Kyu Yoon ),( Soo-Jung Um ),( I- 대한결핵 및 호흡기학회 2017 Tuberculosis and Respiratory Diseases Vol.80 No.2
Background: The purpose of this study was to assess the effect of our new video-assisted asthma education program on patients` knowledge regarding asthma and asthma control. Methods: Adult asthmatics who were diagnosed by primary care physicians and followed for at least 1 year were educated via smart devices and pamphlets. The education sessions were carried out three times at 2-week intervals. Each education period lasted at most 5 minutes. The effectiveness was then evaluated using questionnaires and an asthma control test (ACT). Results: The study enrolled 144 patients (mean age, 56.7±16.7 years). Half of the patients had not been taught how to use their inhalers. After participating in the education program, the participants` understanding of asthma improved significantly across all six items of a questionnaire assessing their general knowledge of asthma. The proportion of patients who made errors while manipulating their inhalers was reduced to less than 10%. The ACT score increased from 16.6±4.6 to 20.0±3.9 (p<0.001). The number of asthmatics whose ACT score was at least 20 increased from 45 (33.3%) to 93 (65.3%) (p<0.001). The magnitude of improvement in the ACT score did not differ between patients who received an education session at least three times within 1 year and those who had not. The majority of patients agreed to the need for an education program (95.8%) and showed a willingness to pay an additional cost for the education (81.9%). Conclusion: This study indicated that our newly developed education program would become an effective component of asthma management in primary care clinics.