소뇌교각부의 내측에 발생한 거대 청신경 초종 수술례

이제형(Je Hyoung Lee),김정희(Jung Hee Kim),홍창기(Chang-Ki Hong) 대한두개저학회 2019 대한두개저학회지 Vol.14 No.2

The vestibular schwannoma is a benign, usually slow-growing tumor that frequently occurs in the cerebellopontine angle (CPA). As the schwannoma grows, it often results in ataxia, numbness, weakness, facial pain and paralysis, loss of coordination and balance, and unilateral hearing loss. In such cases, surgical treatment may be considered. In this case report, we present a 44-year-old female patient with progressive hearing loss, facial paresthesia, and gait disturbance. The patient was diagnosed with a large vestibular schwannoma in the medial CPA via computed tomography and magnetic resonance imaging. Under general anesthesia, total tumorectomy via the presigmoid and retrosigmoid approaches was performed on the left side in an attempt to alleviate the patient’s symptoms. There were no incidences of recurrence or complications in the 12 months following the successful operation. We report this case with a review of literature.

3 차원 표면 점 좌표 데이터로부터 CAE 유한 요소 메쉬 생성 알고리즘 개발

장순석(Soon Suck Jarng),이제형(Je Hyoung Lee) (사)한국CDE학회 2005 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2005 No.1

Directional digital hearing aid simulation using boundary element method

장순석(Soon Suck Jarng),권유정(You Jung Kwon),이제형(Je Hyoung Lee) (사)한국CDE학회 2005 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2005 No.1

3차원 레이저 스캐너 점 좌표 데이터로부터 유한요소 메쉬 생성 알고리즘 개발

장순석(Soon Suck Jarng),양해정(Hae Jung Yang),이제형(Je Hyoung Lee) (사)한국CDE학회 2004 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2004 No.2

반도체 레이저의 온도 및 주입전류 의존성에 관한 연구

김의훈,김필수,이제형 漢陽大學校 基礎科學硏究所 1992 基礎科學論文集 Vol.11 No.-

반도체 레이저의 온도와 주입전류 변화에 따른 방출스펙트럼의 특성을 조사하고 파장조정 가능성을 연구하였다. 실온에서 피크파장 780nm를 가지는 Mitsubishi사의 GaAlAs계의 레이저 다이오우드에 대해 주입전류를 일정하게 유지하고 온도를 변화시켰을 때의 방출피크파장은 계단적으로 증가하였으며 파장의 의존도는 0.20nm/℃였다. 온도를 일정하게 유지하고 주입전류를 변화시켰을 때의 방출피크파장 역시 계단적인 변화양상을 보였으며 파장의 전류 의존도는 0.11nm/mA였다. 한편 레이저 다이오우드의 문턱전류는 다이오우드의 온도 증가에 따라 거의 지수함수적으로 증가하였다. 온도와 주입전류 변화로 얻은 최소 방출파장은 770nm이었다. Spectral characteristics and wavelength tunability of a semiconductor diode laser have been studied by examining the wavelength dependence on temperature and injection current. The results show that the output peak wavelength from a Mitsubishi GaAlAs laser diode increases stepwise with increasing temperature at constant injection current, showing the wavelength dependence on temperaure of 0.20nm/℃. On the other hand, the output peak wavelength also varies stepwise with increasing injection current at constant temperature, representing the wevelength dependence on injection current of 0.11nm/mA. The measured threshold currents of the diode laser increase exponentially as a function of temperature. By control of temperature and injection current of laser diode, the output peak wavelength can be attained down to 770nm.

職場人들의 STRESS 診斷硏究

李濟炯 全北大學校附設 스포츠科學硏究所 1984 논문집 Vol.- No.1

In proportion that many business matters are automatized due to the highly developed scientific civilization, the opportunity of human being's physical activiteies is decreascd, while the amount of mental labors is increased. Modern men are harassed by physical and psychological stress because of rapid augumentation of various kinds of business matters. Furthermore, modern professional workers have many anxieties especially such as children's entering higher school and their acquiring better jobs in the family. In the office, they are molested by excessive business and complex personal relation and deficiency of excercises and augmented mental overworking. Workers with both management and deskworking have this sort of stress as well. The stress causes neurological gastroenteritis diseases and nervous headaches and psychological illness and makes workers listless and lack of will to work with chronic tiredness, which are red signals to threaten the health of modern men added with uncertainty, tension, horror and melancholy. Again what human beings feel stress is commonly the death of family members and diseases and changing jobs. This stress is called “20th century's spiritual germ” by specialists of neuro-psychological department The sources of stress are responsibility of business and dissatisfaction of job and rivalism of fellow workers and skeptism of self-ability and inferiority and imperfect personality with psycholce unballance and social structure and air pollution and popullation skyrocketing. This thesis is concerning the sources of stress and the amount of stress of professional workers around us. To obtain the data for countermeasures, workers of 5 industrial circles within the Jeonju industrial zone and faculties and personnels of Jeonbug Natlonal University are given and analysed questionaires about physical and psychological stress. conclusion 1. About the degree of stress indication among professional workers, inactiv desk-workers are higher than skillful workers sitting in the chair on the both sides of male and female. 2. In the case of male without drinking and smoking, the amount of stress is less, and the more he drinks and smokes, the higher the stress. It is advisable to restrain them because wine and cigarettes are only temporal stress annulment. 3. Physical stress gives rise to mental stress. 4. Keeping proper exercises and various recroation for diversion is prevenrion as well as obliteration of physical and mental stress. Suggestion 1. In every working places, the facilities of leisure sports should be equipped for health improvement and welfare according to the law of health promotion. 2. Professional workers should be more careful to their own health.

職場人들의 STRESS 診斷硏究

李濟炯 全北大學校 師範大學 1982 사대논문집 Vol.8 No.-

In proportion that many business matters are automatized due to the highly developed scientific civilization, the opportunity of human being's physical activiteies is decreased, while the amount of mental labors is increased. Modern men are harassed by physical and psychological stress because of rapid augumentation of various kinds of business matters. Furthermore, modern professional workers have many anxieties especially such as children's entering higher school and their acquiring better jobs in the family. In the office, they are molested by excessive business and complex personal relation and deficiency of excercises and augmented mental overworking. Workers with both management and deskworking have this sort of stress as well. The stress causes neurological gastroenteritis diseases and nervous headaches and psychological illness and makes workers listless and lack of will to work with chronic tiredness, which are red signals to threaten the health of modern men added with uncertainty, tension, horror and melancholy. Again what human beings feel stress is commonly the death of family members and diseases and changing jobs. This stress is called "20th century's spiritual germ" by specialists of neuro-psychological department The sources of stress are responsibility of business and dissatisfaction of job and rivalism of fellow workers and skeptism of self-ability and inferiority and imperfect personality with psychological unballance and social structure and air pollution and popullation skyrocketing. This thesis is concerning the sources of stress and the amount of stress of professional workers around us. To obtain the data for countermeasures, workers of 5 industrial circles within the Jeonju industrial zone and faculties and personnels of Jeonbug National University are given and analysed questionaires about physical and psychological stress. Conclusion 1. About the degree of stress indication among professional workers, inactiv desk-workers are higher than skillful workers sitting in the chair on the both sides of male and female. 2. In the case of male without drinking and smoking, the amount of stress is less, and the more he drinks and smokes, the higher the stress. It is advisable to restrain them because wine and cigarettes are only temporal stress annulment. 3. Physical stress gives rise to mental stress. 4. Keeping proper exercises and various recreation for diversion is prevention as well as obliteration of physical and mental stress. Suggestion 1. In every working places, the facilities of leisure sports should be equipped for health improvement and welfare according to the law of health promotion. 2. Professional workers should be more careful to their own health.

中·高等學校 體育管理의 實態調査 硏究 : 全羅北道를 中心으로

李濟炯,柳尙秀,姜熙成 全北大學校 師範大學 1980 사대논문집 Vol.6 No.-

韓國과 日本國의 大學體育 施設의 比較 硏究

柳尙秀,李濟炯 全北大學校 師範大學 1981 사대논문집 Vol.7 No.-

The purpose of this research was to study the present condition of the college physical facilities in Korea, compare them with those of Japan, and to identify the exact causes and effects of good and bad college physical surroundings in Korea Eight Korean colleges and six Japanese colleges are the sample in this research study. The results of the research are as follows : a. The rates of the college physical facilities in Korea are 70.11% and the results of comparison with the facilities rates of Japan are 71.80% b. All the college physical facilities in Korea are from 36.98% to 77.96% which show the lack of facilities standard. c. The facilities standard in Japan 172.57% is the rate much better than that of in Korea. d. The comparison rate with Japan is 33.05% e. One of the causes of lack of college physical facilities in Korea lies in neglection of facility expension, enlargment and replacement compared with the student population ratio.