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소음인(少陰人) 태음병(太陰病) 심하비증(心下?證)의 병증약리(病證藥理) 고찰
서영광,이지원,이준희,최원철,이의주,고병희,Seo, Young-Kwang,Lee, Ji-Won,Lee, Jun-Hee,Choi, Won-Cheol,Lee, Eui-Ju,Kho, Byung-Hee 사상체질의학회 2010 사상체질의학회지 Vol.22 No.3
1. Objective: Gastric Stuffiness (心下?證) in the Soeumin Taeeum symptomatology (少陰人 太陰病) in Sasang Constitutional Medicine shows an interesting evolutionary process. Originally found in the texts of Sanghanlun (傷寒論), the perspectives regarding the symptoms of Gastric Stuffiness were expanded by many medical scholars and Lee Jema. To comprehend the Jema's concept of Taeeum symptomatology and utilize his prescription clinically, it deserves to study on the Gastric Stuffiness in Donguisuseowon (東醫壽世保元). 2. Methods: Many texts including Sanghanlun (傷寒論) and Dongeuibogam (東醫寶鑑) were reviewed in order to track the evolutionary process concerning the symptoms of Gastric Stuffiness. Also, Lee Jema's works including the different versions of Donguisuseowon (東醫壽世保元) were reviewed to examine the development of Lee's concepts regarding the Gastric Stuffiness in the Soeumin Taeeum symptomatology. 3. Results and Conclusions: 1) Most of the previous concepts on Gastric Stuffiness were generally similar to those found in Sanghanlun, especially in that they addressed Yang deficiency of the middle triple energizeer as the central pathogenic process. 2) Lee Jema's views on the epigastric discomfort in the Soeumin Taeeum symptomatology evoloved over time and culminated in the finalized pathology and therapeutics appearing in his last work, the Shinchuk version of Donguisuseowon (東醫壽世保元). 3) 4 kinds of prescription which invented by Lee Jema to treat the Gastric Stuffiness in the Soeumin Taeeum symptomatology can be matched to the prescription of Sanghanlun respectively. However through evolutionary process of Jema's prescriptions, the indication of them expanded: not only to treat Gastric Stuffiness but to diverse symptoms of Soeumin.
김현영,임철홍,정용현,이권섭,이성배,이준연,한정희,전윤석,이용묵 한국환경독성학회 2001 환경독성보건학회지 Vol.16 No.4
The purpose of this study was to investigate the acute (4 hours) and repeated-dose (6 hours a day, 5 days a week, 4 weeks) toxic effects of I -hexene on Sprague- Dawley (SD) rats which were treated by inhalation. The results were as follows; I. The median lethal concentration (LC_(50)) was estimated 52,694 ppm (confidence limit 95%; 49,494~55,447 ppm) in acute inhalation. Abnormal clinical signs related to the l-Hexene were not observed with the acute inhalation dose. Gross findings of necropsy revealed on evidence of specific toxicity related to the 1-hexene, II. By repeated inhalation exposure the body weight of male were more or less reduced by the dose of 2,500 ppm and 5,000 ppm compared with control group. However there were no significant variation hematology and blood biochemistry for the exposed rats compared with the control rats. Abnormal clinical signs and gross findings of necropsy related to the 1-hexene were not shown. In conclusion when we exposed I-hexene to SD rats for 4 weeks, 5 days per week, 6 hours per day, the Lowest observed effect level (LOEL) was over 2,500 ppm and Non observed effect level (NOEL) was below 500 ppm.
이기철,이준호 弘益大學校 科學技術硏究所 1998 科學技術硏究論文集 Vol.9 No.1
In the past decade, knowledge extraction from raw data has been extensively studied. Especially, decision tree based methods and neural network based methods have been shown to be effective with their own merits and demerits. In our lab, a novel approach based on simultaneous expansion of attributes using the expansion method of Espresso has been studied. In this paper, post pruning methods are studied and suggested to improve the rules derived before, and its usefulness has been shown by extensive comparative experiments. We rely on coding cost based schemes, and this result was used to extend the already developed system el to improve the rule set quality.
이준철 부천대학 1996 論文集 Vol.17 No.-
Generalized Street or G-street have the property that every point on the boundary of a G-street is visible from a point on a horizontal line segment connecting the two boundary chains from s to t. Given a rectilinear polygon in the plane with two distinguished vertices, s and t, is this polygon a G-street? I Present an O(n) time algorithm where n is the number of vertices of the polygon.
광대역 채널에서 수학적 모델을 적용한 스마트 안테나 시스템의 대역폭에 따른 성능분석
이정원,전준수,김철성 전남대학교 전자통신기술연구소 2002 전자통신기술논문지 Vol.5 No.1
The technology of smart antenna or adaptive array antenna for mobile communication has received enormous interest in recent years. The purpose of this article is to give mathematical modeling of the smart antenna. Also, the performance is analyzed for different bandwidths (1.25MHz, 5MHz) and different channel environments (rural, urban). For the analysis of smart antenna system, the vector channel model having the spatial-temporal correlation is needed. Hence, the channel is modeled as a time-variant linear filter in time, and each multipath is assumed as a reflective wave from only one direction (only one cluster) in space. In is shown that the performance of 5MHz system using smart antenna shows better performance that 1.25MHz system by employing many number of branches of 2D-RAKE receiver. Moreover, I can verify that the performance of W-CDMA system with smart antenna in urban area is considerably improved as shown in the result of simulation.
李俊榕,吳圭哲,金珍 弘益大學校 科學技術硏究所 2000 科學技術硏究論文集 Vol.11 No.-
Nowadays, there are large scale of creations, distributions and transformations of informations. Wide sharing and urgent changing of information is a primary characteristics of recent period. By the way, some kind of informations must be treated in different way. For example, geographic information for military operations must be distributed in great care with strict security and maybe few change will occur on such information. In this paper, we have studied and implemented new retrieval system that are especially appropriate when informations have following characteristics. 1. when consistency of information is important 2. when distribution of information must be done collectively 3. when change of information is not severe
볼록 다각형의 구멍을 가진 단순 다각형의 Point-location 문제를 해결하는 효과적인 알고리즘
이준철 부천대학 2000 論文集 Vol.21 No.-
Since the appearance of the paper of Dobkin and Lipton, considerable progress has been made in solving the point-location problem which is the identification of the map region containing a given query point. In this paper, we suggest an efficient algorithm for Point-location problem of a simple n vertices polygon with m distinct holes of convex polygon. This problem is solved by connecting external simple polygon with holes of convex polygon and then transforming into another form of simple polygon. The algorithm runs in O(n log n) preprocessing time and O(log n) query time
이준철 부천대학 1995 論文集 Vol.16 No.-
I am concerned with the triangulation of the points in the plane : Given n points in the plane, join them by nonintersecting straight line segments so that every region internal to the convex hull is a triangle. So far I have met many kinds of triangulation algorithms in serial. But I am trying to speed up these algorithms at any way. Hence I used parallel computing model for this purpose. I presented optimal parallel algorithm for triangulation of the points. These algorithm run in O(log n) time with O(n) processors on the CREW PRAM model.
이병도,이완,김진화,최동훈,팽준영,김은철 대한구강악안면방사선학회 2008 Imaging Science in Dentistry Vol.38 No.2
The unicystic ameloblastoma (UA) is a variant of the solid or multicystic ameloblastoma, a less encountered variant of the ameloblastoma. It appears more frequently in the second or third decade with no sexual or racial predilection. It is almost exclusively encountered asymptomatically in the posterior mandible. We report a case of a 43-year old patient with UA, who had previously undergone a surgical treatment on the same site about 1 year ago, this lesion recurred and presented as an exophytic gingival lesion in the anterior mandibular region.