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윤화중,진성일,윤민중,윤혜수,이영하,최철규,이천배,신대현 충남대학교 자연과학연구소 1986 忠南科學硏究誌 Vol.13 No.2
Chungnam National University (CNU) is located in Daeduk Science Town, a center of science and technology in Korea, and it is expected to play an important role in the development of science in Korea. With this in mind, the basic natural sciences at CNU should be more actively supported in both education and research. Accordingly analysis and comparison of the basic science program at major college in Korea as well as those in the USA and Europe has been performed. The current cooperative relationship between CNU and research institutes in the science town has also been analyzed. This study has resulted in propositions to make more efficient the upbringing of the basic sciences at CNU, by focusing on the following points ; a) to improve academic affairs, b) to make graduate studies substantial, c) to secure highly qualified faculty members, d) to increase cooperation in research between CNU and reserch institutes, e) to enlarge research laboratories and acquire more equipment and facilities.
윤현중,이상화,박철홍 대한악안면성형재건외과학회 2001 Maxillofacial Plastic Reconstructive Surgery Vol.23 No.4
There are many causes of trismus. Aetiology can be roughly divided into muscle spasm, mechanical interference, extracapsular ankylosis, intracapsular ankylosis. Trismus caused by mechanical interference between postero-lateral wall of zygoma-maxillary complex and coronoid process following reduction of fractured facial bone is rare. Especially on maxillary bone fracture, when we faced the trismus following removal of intermaxillary fixation, we got used to solve that problem by physical exercise, We obtained good resurts by coronoidectomy on patients with limited mouth opening who were referred from department of plastic surgery, St. Marys' hospital, the Catholic university of Korea. We report our experience with literature review.
金哲淳,金雲中,表永平 조선대학교 국토개발연구소 1994 국토개발연구 Vol.14 No.2
In the paper we suggested a newly revised formula by estimating the value of n in the Japanese Mononobe formula on the data of self-recording rain gauge which was observed up to recently form the main rainfall observation stations(Cheju city, Sogwipo, Songsanpo) in the Cheju districts. The result of analysis on goodness of fit in the revised formula and the established formula on the value of n(2/3) in the Mononobe formula was made sure that the Mononobe formula and the revised formula are nearly in accord with each other, but the established formula is low in degree, and goodness of fit in each formula to continuous time in a short time is also low in comparison with the formula to continuous time in a long time.
박중윤,황상철 金烏工科大學校 1993 論文集 Vol.14 No.-
Optimal position control of a flexible manipulator is studied. A slender flexible manipulator is modeled as Euler-Bernoulli beam with tip mass and a rigid hub. The vibration system of a flexible manipulator neglecting higher-order elastic vibrating modes is subject to become unstable because of the excitation of the residual modes. The classical control method is usually used is not suitable in this non-minimum phase system. It is shown that the PD control which is known as increasing the system damping is unstable. However, even in the non-minimum phase system, the system is stabilized by the optimal feedback control. LQG/LTR control law is more effective method for controller design of the physical control system than any other optimal control law. LQG/LTR design method and numerical results are presented.
權純哲,李重熙 경북대학교 경제경영연구소 1989 經商論集 Vol.17 No.4
Accounting Information can be a key input into many important decisions and researches relating to the business combinations. This paper discusses the role of accounting information in the business combination decisions and related researches. And this discussion focuses on some considerations in the empirical researches relating to the business combinations using accounting information. The most empirical researches relating to the business combinations using accounting information has been conducted in two related areas ; (1)pre-acquisition analysis using financial variables, (2) examination of the post-acquisition performance of the acquiring firms using data from financial statements. The numbers rerorted in financial statements are a function, in part, of the accounting methods chosen by the firm and the regulatory agent. Therefore, non-uniformity and non-consistency of the accounting information must be considered in the interpretations of results of the empirical study relating to the business combinations.
이철희,이용인,김기중 충남대학교 자연과학연구소 1980 學術硏究誌 Vol.7 No.2
The purpose of this study was to observe the effects of the exercise of flextion and extention on the improvement of physical constitution. The authors examined the physical condition of the following athletes registered on the Korean amateur sports association. Flextion exercise athletes. Velleyball (69 men, 77 women). Basketball (58 men, 56 women): Table tennis (60 men. 69 women): Baseball (107 men): Soccer (113 men): Handball (41 men): Rugby Football (68 men): Hockey (40 men): Tennis (18 men). Athletics (70 men); Tae Kwon Do (220 men) Extension exercise athletes Wrestling (16 men): Judo (72 men). Ssi reum (S5 men). The results were as follows. 1. The body weight ratio of flection athletes (42.7 % ) was higher than that of extention athletes (38.0%) 2. The nutrition rate of flection athletes (915.7%) was higher than that of extention athletes (828.1%). 3. The Kaup's index of flection athletes (2.48%) was higher than that of extention athletes (2.16%) Between the body weight and broca's standard weight, the extention athletes group showed greater differences than those of the flection athletes group