심형래에서 백남준으로 -문화기술, 미래, 그리고 교육개혁-

정재형 ( Jae Hyung Jung ) 한국영화교육학회 2009 영화교육연구 Vol.11 No.-

The world is changing, Korea is in the middle of the road which is up to the development of culture industry, high profittable industry. The key words of culture industry are the movie ``Avatar`` and I-phone. ``Avatr`` is not simply the conventionally technical film, rather is a phenomenon for hybrid with cutural and technomogical values which is from technologies such as 3D, computer graphics, compositing, and virtual realities. Also, I-phone is not just a receiver, but a surprise as a portal for any contents within small pc, lap top, and game station. The creation of ``Avatar`` and I-phone has the fuction for developing the related culture industries. Their profitabilities are enormous. It has been a long time that The Korea has plunged into the competative market vying for forerunner in the line of digital industry or culture industry. But the question of this paper is whether the proper education is put on this area or not and then the purpose of this essay to pinpoint the blind spot, to anlalyse the cause, and to present the alternative to reality. The author doesn`t have any intentions to harm technological development. The development of technology is unstoppable because it`s a direction to contemporary civilization and profitable pursuit for industry. Even it does not only mean to interrupt the technological development but also to have the conviction that the raising a queston is necessary and positive for how it is proper way to culture creation.

파일럿 채널지원 MMSE-RAKE 수신기의 성능분석

정인화,남옥우,김재형 창원대학교 정보통신연구소 2000 精報通信論文集 Vol.4 No.-

In this paper, we proposed pilot channel assisted MMSE-RAKE receiver, which use adaptive filter to provide relatively simple structure and good performance in the DS/CDMA downlink. Especially, utilizing normalized LMS(NLMS) algorithm to resolve the defect of LMS algorithms. And we explained pilot channel assisted method to estimate the multipath fading channel coefficients. With the result of performance analysis, we accepts that the adaptive MMSE-RAKE receiver much relys on the performance of channel estimator.

저작근에 전이된 신세포암 1예

정재현;황인성;유지형;성락희;노충희;정재용 인제대학교 2011 仁濟醫學 Vol.32 No.-

Renal cell carcinoma is the third most common neoplasia of the genitourinary tract. Its most common type, representing 60% of the cases, is the clear cell carcinoma, with an incidence peak between 50 and 70 years. Metastases are present at the time of diagnosis in approximately 30% of the patients, the major sites being lungs, bones, skin, liver, and brain. But distant metastasis of malignant neoplasm to the masseter muscle is extremely rare. We report a case of renal cell carcinoma (RCC) metastasizing to the masseter muscle.

흰쥐의 발치와에 이식한 단계별 치아싹의 발육 과정

정희훈,정한성,김성오,최형준,이제호,최병재 大韓小兒齒科學會 2008 大韓小兒齒科學會誌 Vol.35 No.2

The purpose of this study is to evaluate at which stage of tooth germ would develop into normal calcification and hence to increase the success rate of transplantation. Therefore, tooth germs on the 15th, 17th embryonic day and the 3rd day of birth were separated for allotransplantation into maxilla of adult rat of 11 weeks. Calcification processes were analyzed radiographically and histopathologically at 4 weeks and 8 weeks after allotransplantation. The results are as follows: 1. Allotransplanted tooth germ at 4 weeks and 8 weeks showed delayed calcification compared to that of normal odontogenesis. 2. At 4 weeks, abnormal calcified tissue, such as odontoma and ankylosis of osteodentin with surrounding alveolar bone were observed. 3. At 8 weeks, allotransplanted tooth germs of the 15th and 17th embryonic day showed calcification and osteodentin surrounded by periodontal ligament. 4. At 8 weeks, allotransplanted tooth germs of the 3rd day of birth showed calcification composed of cementum and osteodentin. In this study, we observed small sized and amorphous calcified tissue from allotropic allotransplantation of tooth germs. Since these calcified tissue were underdeveloped and shaped irregularly, for calcification into normal tooth form, further study needs consideration about the reduction of surgical trauma, developmental stage of transplanted tooth germ, blood supply from recipient site, fixation method in transplanted site and period of transplantation. 외상이나 치주 질환,유전적 결함 등에 의하여 치아가 상실되었을 경우,보철 수복이나 임플란트로 치료하고 있다. 그러나 보철 수복이나 임플란트는 자연치가 아닌 인공치를 이용한 치료로서 기능성과 섬미성 등에서 자연치에 비하여 한계 가 있으므로 자연치를 이용한 이식 방법에 관심이 증가하고 있으며 치아 이식의 성공률을 높이기 위한 이식 치아의 발육과 성장에 대한 연구가 진행 중이다. 이 연구는 세 가지 단계의 치아싹을 발치와에 동종 이식하고 치아싹이 발육하여 석회화가 이루어지는지 평가하기 위하여 임선 15일과 17일,출생 후 3일 된 흰쥐의 치아싹을 분리하여 11주 된 흰쥐의 발치와에 이식하고 4주와 8주 후 방사 선학적 그리고 병리조직학적으로 석회화 과정을 관찰하여 다음과 같은 결과를 얻었다. 1. 발치와에 이식된 임신 15일과 17일,출생 후 3일 된 치아싹에서 4주와 8주 후 석회화된 조직이 형성되었다. 2. 임신 15일과 17일,출생 후 3일 된 치아싹을 발치와에 이식하고 4주 후 치아종 같은 비정상적인 석회화 조직과 인접 치조골과 유착된 골양상아질이 관찰되었다. 3. 임신 15일과 17일 된 치아싹을 발치와에 이식하고 8주 후 골양상아질이 보였으며 치주인대로 둘러싸인 것도 관찰되었다. 4. 출생 후 3일 된 치아싹을 발치와에 이식하고 8주 후 골양상아질과 백악질이 형성되었다. 이 연구는 치아싹을 흰쥐의 발치와에 이식한 후 치아싹의 발육을 관찰한 것으로 이식 조직에서 크기가 작고 무정형의 석회화 조직이 형성되었다. 정상적인 치아보다 형태가 불규칙하고 발육이 늦었으므로 이식된 치아싹이 정상적인 치아 형태로 석회화되도록 하기 위해서는 이식 조직의 발육 정도와 이식 조직을 절제할 때 외과적 손상의 감소,치아싹으로의 풍부한 혈류 공급,이삭 기간,이식 조직의 고정을 고려하여 더 많은 연구가 필요할 것으로 생각된다.

2007년도 덕성여자대학교 신입생의 특성

정형남,정선화,김남재 덕성여자대학 학생생활지도연구소 2007 學生生活硏究 Vol.23 No.-

2007년도 덕성여자대학교 신입생 및 그 가정의 제반특성을 파악하기 위하여 인적 사항, 가정환경, 입학 만족도, 대학생활, 가치관, 자신에 대한 지각, 강의주제 등에 관한 설문조사를 실시하였다. 총 신입생 1281명 중 응답자 1066명의 자료를 분석하여 각 문항 별로 신입생 전체는 물론 각 학부의 응답 빈도 및 비율을 제시하였다. 되풀이 확인된 결과로는 우선, 대다수의 학생들이 수도권지역의 고등학교를 졸업하였으며 중산층 이상의 가정 출신이라는 점이다. 대부분 부모가 모두 생존해 계시고 고졸이상의 학력을 가지고 있다. 두번째, 학생들은 취업에 큰 관심을 가지고 있으며 장래 취업을 준비하기 위해 대학에 진학 했다고 답한 경우가 많았다. 이외에도 대학별 특징 등 중요한 결과들을 논의에서 요약하였다. 그리고 그 결과들이 시사하는 바를 제안하였다. Examined the characteristics of the students who entered Duksung Women's University in 2007. The total number of 1066(out of 1281) undergraduates completed an autobiographical questionnaire which inquires about demographic variables, family environment, satisfaction with the university, expectancies of a campus life, value system, self-concept, and lecture subject. Results show that a majority of the students were graduated from high schools located in Seoul. Both of their parents are alive, in the middle or higher socioeconomic groups and of high educational accomplishment(at the lowest, high school graduates). One of the replicated findings is that students are highly interested in career development. A great proportion of career preparation. The result also indicate that many students have chosen our university solely based on their grades. And many students report that they are satisfied with their choice, which is very encouraging. Other result such as the characteristics unique to each college are also summarized and several suggestions are presented In the discussion section.

rudder 곡판 절단선에 관한 연구

정형배,김재중,김찬석 국립7개대학공동논문집간행위원회 2004 공업기술연구 Vol.4 No.-

This paper suggests a method about how to get the NC code of intersection curve of rudder free form surface automatically. Suggested method uses NURBS interpolation and intersection in order to get the data of cutting lines and converts them in AutoLISP format to visualize in AutoCAD. This method has been tested by application in real rudder and shown the reliable results.

라이프스타일에 따른 여가동기와 여가생활 만족에 관한 연구

정광현,이재형 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.14 No.2

This study is based on the investigation of members of the college clubs related to leisure activities and people who are working out in sports centers. In Busan, Kyung-nam, and Kyung-ju to inquire into the relation between the leisure motivation according to their life-style and satisfaction of their leisure life; to draw up some alternative for improving the quality of the leisure service industry; and to offer some fundamental data to improve the quality of life and productivity, putting spare time from the law of working 5 days a week to practical use efficiently and aggressively after the operation of the system which people work 5 days a week. The first, the leisure motivation from several types of people's life-style which affect the improvement of individual are achievement pursuit type, knowledge pursuit type, satisfaction pursuit type, safety pursuit type, health pursuit type and so on. The variables to affect self-discovery are showing-off type, health pursuit type, knowledge pursuit type. The variables to affect the purpose of healing and health appear safety pursuit type, satisfaction pursuit type, and showing-off type; the variables to have influence on sociality are satisfaction pursuit type, safety pursuit type, achievement pursuit type, showing-off type, knowledge pursuit type and so on. The second, the satisfaction about leisure life related to different types of life style is in accordance with safety pursuit type, satisfaction pursuit type, health pursuit type, achievement pursuit type, knowledge pursuit type, showing-off type. The third, the satisfaction about spending the leisure time related to the leisure motivation is under the influence of sociality, purpose of healing and health, improvement of individual, self-discovery.

??의 전기전도 특성 및 에너지 밴드구조

정양준,박문규,이형재 木浦大學校基礎科學硏究所 1988 基礎科學硏究誌 Vol.6 No.-

Experimental measurement of electrical conductivity and Hall coefficient have been made as a function of temperature on n-type five ?? alloys which had as component ratio of 0.02, 0.11, 0.21, 0.275, 0.32 respectively. Theorical calculation of electrical conductivity and Hall coefficient have been made on a three band model using the method of Fletcher and Butcher and the resulting values fitted to the experimental measured data. Where unknown parameters were energy of L₁and X₁band edge, and the compensated acceptor density. The resulting analysis show the band gap variation given by ?? and ?? at room temperature. Various scattering mechanisms are also discussed in this work.

우라늄 이온의 선택흡착

정종헌,김준수,오원진,유재형,유승곤 한국공업화학회 2002 응용화학 Vol.6 No.1

Uranium-containing aqueous wastes have been treated by electrosorption on a carbon electrode composed of activated carbon fibers(ACFs) in a continuous flow-through cell. Effective uranium (VI) removal is accomplished when a negative potential in the range of -0.3 to -0.9V (vs. Ag/AgCI) is applied to the carbon electrode. For a feed concentration of 350mg/l, the concentration of U(VI) in the cell effluent is reduced to less than lmg/l. Electrosorption capacity over 552 mg_uranium/g_ACF is reached.

InSb의 결정성장 및 특성

정양준,양순철,이형재 木浦大學校基礎科學硏究所 1989 基礎科學硏究誌 Vol.7 No.-

InSb crystals, both doped and undoped, were grown using the zone-refining technique in vacuum. The unintentionally doped crystals exhibit n-type conduction with the lowest carrier concentration of ??. The pure crystals show intrinsic characteristics even at very low temperatures. Hence very heavily doped n-type crystals were grown in an effort to determine the electron behaviors, not disturbed by the other bands over a wide temperature range. All the InSb crystals prepared in this work were self-seeded along the (111) direction, and the volatilization turned out to be very efficient in reducing the residual impurities during the growing process. The electrical conductivity and Hall coefficient were measured as a function of temperature from 90 to 570K. Theoretical calculations were carried out using a three-band model with the ?? and two hole bands taking into account scattering mehanisms. The results were consistently fitted to the experimental data with the adjustable parameters used in describing the temperature variation of band gap, heavy hole effective mass??, deformation potential??. The final fitting was obtained with the following values, ??, ??, ??. At high temperatures polar optical scattering is dominant for electron scattering and electron-hole scattering becomes very important.