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황사의 확산예측을 위한 기상정보의 시간해상도에 관한 수치연구
이순환,곽은영,류찬수,문윤섭 한국환경과학회 2004 한국환경과학회지 Vol.13 No.10
In order to predict air pollution and Yellow-sand dispersion precisely, it is necessary to clarify the sensitivity of meteorological field input interval. Therefore numerical experiment by atmospheric dynamic model(RAMS) and atmospheric dispersion model(PDAS) was performed for evaluating the effect of temporal and spatial resolution of meteorological data on particle dispersion. The results are as follows: 1) Base on the result of RAMS simulation, surface wind direction and speed can either synchronize upper wind or not. If surface wind and upper wind do not synchronize, precise prediction of Yellow-sand dispersion is strongly associated with upwelling process of sand of particle. 2) There is no significant discrepance in distribution of particle under usage of difference temporal resolution of meteorological information at early time of simulation. but the difference of distribution of particles become large as time goes by. 3) There is little difference between calculated particles distributions in dispersion experiments with high temporal resolution of meteorological data. On the other hand, low resolution of meteorological data occur the quantitative difference of particle density and there is strong tendency to the quantitative difference.
뇌하수체 종양 제거술 시행 후 뒤늦게 발생한 횡문근 융해증과 동반된 중추성 열
장제혁,최규남,김일환,노은지,김윤정,유충헌,고정해,박봉수,김태균,권민정,이순희,박정현 인제대학교 2008 仁濟醫學 Vol.29 No.-
Body temperature is controlled by thermoregulatory center of the hypothalamus. We report a case of 24 years old man with central fever. He was subjected to a partial excision of pituitary tumor compressing optic chiasm four years ago. He has received hormonal therapy for panhypothyroidism after removal of pituitary tumor. And He received gamma knife operation for partially contrast-enhancing masses in suprasellar and both hypothalamic areas that is probably postoperatively remnant or recurrent tumor of pituitary adenoma. One year after gamma knife operation, he presented with a febrile syndrome of unknown origin including rhabdomyolysis. All usual investigations proved negative. We diagnosed him as central fever with rhabdomyolysis. He received medical ICU care with cooling bed, ice pack. And his symptom improved. Postoperative hyperthermia may result following resection of the pituitary tumor. When central fever is suspected taking note of past history, a quick recognition of course of fever can help reduce the using of unnecessary antibiotics and hospital stay.
Case Report : Diffuse Skeletal Hemangiomatosis Mimicking Sacroiliitis
( Soon Woo Hwang ),( Jung Hoon Lee ),( Jeong Ah Ryu ),( Jong Min Choi ),( Sang Ki Lee ),( Hyun Sung Kim ),( Tai Seung Kim ),( Tae Hwan Kim ),( Hye Soon Lee ),( So Young Bang ) 대한류마티스학회 2014 대한류마티스학회지 Vol.21 No.4
Hemangiomatosis of the skeletal system is a rare disease without specific symptoms and signs. We describe a 20-year-old patient with low back pain, whose plain radiographs of sacroiliac (SI) joint showed irregular sclerotic lesions. The patient was finally confirmed with skeletal hemangiomatosis by magnetic resonance imaging (MRI) and excisional biopsy of the lesion. The present case suggests that if patients with abnormal lesions of the SI joint in the plain radiographs do not have typical inflammatory back pain, advanced imaging is required to make an accurate diagnosis. Our case also emphasizes the importance of MRI and biopsy in establishing the diagnosis.
류순현,노기환,최동준,김영석,이경섭 대한한방성인병학회 2000 韓方成人病學會誌 Vol.6 No.1
A Clinical Report of the Stroke Patient with Diarrhea Improved by Yijoong-tang(Lizhong-tang) Diarrhea is defined as an increased frequency of stools(more than three per day), increased liquidity(loose or watery) and decreased consistency of stools. This study was to examine the efficacy of Yijoong-tang(Lizhong-tang) for a stroke patients who had suffered from severe diarrhea of unknown origin on examination. At the time of admission, the patient complained of diarrhea 7 or 8 times per day accompanied with epigastric pain, quadri-coldness and mouth flowing of clean saliva. In the point of Differentiation of Syndrome, this subject was diagnosed as Uˇm(Yin) Syndrome, Deficiency Syndrome and Hypo-function of the spleen and stomach with cold manifestation and Yijoong-tang(Lizhong-tang) was administed. At 4th day after Yijoong-tang(Lizhong-tang) administration, the frequency and liquidity of diarrhea were decreased and the other accompanied symptoms also were improved.
Soon Ju Kang,Chan Ho Ryu,In Soon Choi,Seong Soo Choi,Baeng Jae Choi,Young Ill Kim,Kil Yoo Kim,Young Hwan Hur,Hee Gon Woo 대한전자공학회 1992 대한전자공학회 학술대회 Vol.1992 No.10
This paper describes an intelligent system to automatic evaluation of eddy current(EC) signal for inspection of steam generator(SG) tubes in nuclear power plant. Some features of the intelligent system design in the proposed system are : (1) separation of representation scheme for event capturing knowledge in EC signal and for structural inspection knowledge in SG tubes inspection; (2) each representation scheme is implemented in differnt methods, one is syntactic pattern grammar and the other is rule based production. This intelligent system also includes an data base system and an user interface system to support integration of the hybrid knowledge processing methods. The intelligent system based on the proposed concept is useful in simplifying the knowledge elicitation process of the rule based production system, and in increasing the performance in real time signal inspection application.
Two Cases of Spinal Epidural Abscess in Hemodialysis Patients
Young Hwan Kim,Jin Taek Yoo,Soon Myung Jung,Sang Chang Kwon,Seung Min Ryu,Mun Jang,Jung Choi 영남대학교 의과대학 2013 Yeungnam University Journal of Medicine Vol.30 No.1
While epidural abscesses are rare in hemodialysis patients, they can cause severe neurological complications that can be fatal because only nonspecific symptoms appear in the early stages of the infection. Their incidence increased recently due to intravenous drug abuse, invasive spinal surgery, percutaneous vertebral procedures, and the development of diagnostic modalities. The increased number of cases is related to the use of dialysis catheters in hemodialysis patients. If a patient has fever and back pain, doctors should eliminate the possibility of other common diseases and consider spinal epidural infection. Early diagnosis and proper treatment are important to prevent neurological complications. In this paper, the symptoms, blood work, magnetic resonanceimaging (MRI) findings, and clinical course of two hemodialysis patients who developed spinal epidural abscesses are described.