1차원 구조물내에서 진동 인텐시티의 계측에 대한 연구

박성태,이덕영 울산대학교 1995 공학연구논문집 Vol.26 No.2

진동 인텐시티는 구조물내의 단위폭 단면을 흐르는 진동 에너지로서 벡터량이다. 본 연구에서는 굽힘 진동을 받는 보에 대한 진동 인텐시티의 계측 이론을 검토하였다. 일차원의 진동 인텐시티는 4점에서의 측정값으로 구할 수 있으며, 원거리장의 가정이 성립하면 2점에서의 측정값으로 구할 수 있으며, 이를 실험을 통해 확인하였다. 그리고 파동해와 진동 인텐시티와의 관계식을 정식화하여 파동해의 각 계수를 분리하여 구할 수 있는 방법을 제시하였으며, 실지 측정에서 큰 영향을 미치는 근접장의 범위를 해석 및 실험을 통해 확인하였다. This paper investigated the theory for measuring the vibration intensity (power flow per width of cross section) in uniform beams vibrating in flexure. The intensity is obtained as a vector at measurement point. One-dimensional vibration intensity and be measured at 4 points, or 2 points on the assumption of far field. Formulation of the relation between bending waves in structures and vibration intensity makes it possible to separate the wave component by which one can get a state of the vibration field. Then, the effect of the near field, which is thought to be great in the actual measurement, is examined by computer simulation and confirmed by experiment.

Midazolam의 비강내 투여시 의식진정효과에 관한 연구

강덕일,이상호 大韓小兒齒科學會 1998 大韓小兒齒科學會誌 Vol.25 No.4

The purpose of this study was to assess the sedative effect of intranasal spray with midazolam for management of the uncooperative 20 chileren aged from 24 months to 92 months whe required extensive treatment. The parients were given randomly a dose of 0.2mg/kg of intranasal placebo, intranasal spray with midazolam, and intranasal drop with midazolam. All the children were restrained in a pediwrap and were monitored with pulse oximeter for assessing the pulse rate and peripheral oxygen saturation. According to Fukuta's behavior rating scale, behavior was checked for evaluation of the clinical sedative effect. The obtained results were as follows: 1. Behavior score of intranasal spray with midazolam was lower than intranasal drop with midazolam(p<0.01). 2. Pulse rate was a significant change as a function of dental procedure(p<0.001), however the peripheral oxygen saturation was not influenced significantly by either adiministration route of drug or dental procedure. Clinically, intranasal spray with midazolam were safe and effective sedation in young children undergoing pediatric dental procedures.

Langerhans cell histiocytosis

장창덕,허준,박성환,김철훈,오수진,황희성,최설희,신상훈 大韓顎顔面成形再建外科學會 1996 Maxillofacial Plastic Reconstructive Surgery Vol.18 No.4

Langerhans cell histiocytosis(LCH) appears to arise from Langerhans cell and comprises a spectrum of clinical disease previously described in the literature by a variety of eponyms including histiocytosis X, eosinophilic granuloma, Hand-Christian disease, and Letterer Siwe syndrome. This rare disorder occurs in all groups, predominently affecting children & young adults. LCH has a wide spectrum of clinical features. The differentiation of several forms of this disease is primarily a clinical and not a histologic one. The radiographic characteristics include the appearance of solitary "intraosseous" lesios, the multipicity of "alveolar bone" lesions, the bone lesions, periosteal new bone formation, and slight root resorption. Prognosis of a single bone lesion, is known to be excellent. In contrast, disseminated disease has seen associated with a chronic course, a high rate of morbidity and late consequences, and possible mortality. Treatment of LCH remains problematic. Treatment of multisystem disease, where organ function is being compromised has generally been with high-dose systemic corticosteroids or multiple chemotherapy.

전신마취하에서 유치 조기발거시 간격유지장치의 설계 및 장착에 대한 증례보고

이상호,정문용,이창섭,강덕일 大韓小兒齒科學會 1997 大韓小兒齒科學會誌 Vol.24 No.3

Space maintainers needs following extraction of primary molars, due to severe dental caries under general anesthesia. Delivery of conventional space maintainers has three of the disadvantages of the method, there being a impression taking and time consuming due to laboratory procedure, and delivery problem due to relaxed tongue. For this problem improved, modified space maintainer is prefabricated before procedure, and adjust, delivery in operation room, favorable results were obtained. The following results were obtained. 1. Delivery time is very reduced than conventional space maintainers. 2. After space maintainer delivery, follow check-up, without impingement of soft tissue, distortion of wire. After space maintainer delivery, continuous research is required so that space maintainer delivery is applied to usual dental treatment, and it is necessary of long term research.

V-groove을 이용한 광파이버 결합 특성에 관한 연구

김상덕,임성래,이재규,김종빈 조선대학교 생산기술연구소 1996 生産技術硏究 Vol.18 No.2

In this paper, an optical connection method for the application of subscriber loop and for the realization of FTTH(fiber to the home)is developed. Loss values of possible factors affecting connection loss are evaluated. Practical experimental values are measured for the case of factors. For connection of optical fiber, V-groove is fabricated with different widths and four types by photo-lithography method. Connection loss and refraction loss are measured by alignment to optical fiber on fabricated V-groove. It's compared with measurements by using index matching oil. With the result that measured average connection loss of 0.12dB. and average refraction loss of -45dB expected to application of subscriber optical cable loop. By designed and fabricated with different widths, this connection method can aligned and fixed optical fibers at the same time and compensated to loss values of possible factors.

「남원고사」연구(3)

임성래,윤덕진 洌上古典硏究會 2003 열상고전연구 Vol.18 No.-

이 글은 『남원고사』의 줄거리 확장의 특징 가운데 하나인 삽입가요의 활용을 고찰하는데 중점을 둔다. 곧 당시 서울에서 유해하던 무가에서 시작하여 시조, 가사, 잡가, 민요(농요 포함)등에 이르기까지 매우 다양한 시가가 줄거리 전개과정에서 활용되었을 뿐만 아니라, 또한 송서라는 소설과 관련을 가진 독특한 방식의 창법이 등장하기도 했다 이것은 『남원고사』의 작가가 당시의 시가에 매우 정통했을 뿐만 아니라 창작의 솜씨도 뛰어났음을 보여준다. 이러한 사실을 통하여서 그가 당대 시가의 여러 층위에 수응할 수 있는 학식과 연행 능력을 동시에 갖추었음을 알 수 있다. 이러한 점을 고려 할 때 『남원고사』는 『춘향전』의 한 이본인 동시에 중요한 시가집의 하나라고도 할 수 있다. 앞으로 남은 문제는 그 동안 대조해 왔던 여러 장르의 노래들을 종류별로 정리하고 노래들이 존재하는 주변 상황을 검토하여 19세기 중후반 시가사의 면모가 어떻게 서사물인 소설에 투영될 수 있는가를 총괄적으로 밝혀서 이 시가 (노래)-소설(서사)의 관계가 판소리 장르 형성에 어떻게 관여되었는가를 규명하는 것을 귀착점으로 삼고자 한다. This study aims at clarifying the <NAMWONKOSA>,s way of developing stories. And it is the third results of serial studies. It is accentuated on the songs inserted between narrative units. These songs have several kinds. SIJO(時調) KASA(가사) Folksongs(민요) TARYUNG(打令) Shammansongs(巫歌) JAPKA(雜歌) etc. We have compared these songs with the same texts of several anthologies on the view of changing old version and creating new version.

PDP 격벽 금형 미세 홈 가공 특성 평가

김남훈,이은상,이득우,김남경,김덕환 한국공작기계학회 2003 한국생산제조학회지 Vol.12 No.4

This paper describes the machining characteristics of a developed micro grooving machine. Experiments have been conducted on the various grooving condition such as spindle revolution speed, feed rate and depth of groove. V and U-shaped blade tool and STD11 workpiece was used in this study. To evaluate the developed micro grooving machine, AE signal obtained from each experimental condition was analysed, and cutting stability was compared with the surface state. As a result, this study presented the process to optimize grooving condition and possibility of application of AE technique in groove machining.

정형외과 영역에서 Sulperazon(Sulbactam/cefoperzon)의 Non-Comparative study

신현대,임상덕,안상로,이준규,이광진,윤승호 최신의학사 1989 最新醫學 Vol.32 No.2

시장품질 정보에 기초한 신뢰성 분석시스템 개발

이춘식,문덕희,김상부 國立 昌原大學校 産業技術硏究所 1997 産技硏論文集 Vol.11 No.-

The need for reliable products and reliability analysis became apparent in the age of customer satisfaction. To make products most attractive, first of all, customer complaints on current products must be gathered and analyzed. This article shows a case on the development of a reliability analysis system based on field data. Field data takes the form of A/S(After Sales Support) data. The characteristics of A/S data prohibit the exact calculation of theoretical reliability because of unavailibility of operating time and conditions. In this system, a reliability model was built by use of calendar time and field operating conditions. To estimate the reliability of products or failure modes, empirical distributions based on actuarial method were used and true distribution function could be fitted. And many functions needed to analyse reliability related data were implemented on personal computer via system analysis and design techniques.

중증 근무력증 52례에 대한 임상적 고찰

박건주,하정상,이준,도현철,박승권,서상덕,기병수,김진국 영남대학교 의과대학 1996 Yeungnam University Journal of Medicine Vol.13 No.1

1985년 8월부터 1996년 1월까지 중증근무력증으로 진단받은 환자 52례에 대한 임상적 고찰을 통하여 다음과 같은 결론을 얻었다. 1. 전체 환자 중 남자가 19례(35.8%), 여자가 33례(64.2%)이넜고 11세에서 20세 사이가 12례(23%)로 가장 높은 빈도를 보였다. 2. 환자의 초기증상으로는 안검하수, 복시 등의 안구증상이 37례(71.2%)로 가장 많았고 modified Osserman의 분류에 따라서도 가장 증상이 가볍고 약물치료에 잘 반응하는 1군이 36례(69.3%)로 가장 많았다. 3. 환자가 호소하는 증상의 비특이성과 회복과 재발을 거듭하는 질병의 특성으로 인해 발병이후 진단될 때까지의 시간은 비교적 오래 걸렸고 1년이상 경과하며 진단된 경우도 16례(30.8%)나 되었다. 4. 자가면역질환이 7.6%에서 동반되었는데 갑상선기능 항진증이 2례(3.8), 인슐린의존형 당뇨 2례(3.8%)였고 종격동 전산화 단층촬영소견에서 흉선의 비대가 의심되었던 환자는 6례(11.5%), 흉선종이 발견 되었던 경우는 3례였다. 5. 환자의 치료는 대부분 항콜린에스테라제나 부신피질호르몬을 병용하는 내과적 치료를 하였으며 약물의 치료에 반응이 미비하거나 악화되는 경우 혹은 종격동 전산화 단층촬영상에서 흉선의 이상 소견이 보인 경우에 2례(3.9%)에서는 흉선절제술이, 1례(1.9%)에서는 혈장여과요법이 추가 되었고 흉선절제술과 혈장여과요법이 같이 병합 치료된 경우도 3례(5.9%)있었다. 6. 전체 환자중 2명에서 자연치유의 경과를 보였으며 이들은 모두 1군이였다. 그리고 흉선절제술과 부신피질 호르몬 투여로 완치된 예가 1례있었다. The authors experienced 52 patients with myasthenia gravis who were diagnosed at the Department of Neurology, Yeungnam University Hospital from August 1985 to January 1996. The following results were obtained through diagnostic evaluation and treatment. 1. The ratio of male to female was 1:1.7 and the most prevalent age group was second decade. 2. The most common initial presentation symptom was ocular(71.2%) and the peak incidence group was stage I(69.3%) according to the modified Osserman's classification. 3. In 16 patients(30.8%), it took more than a year to diagnose due to symptoms which were relapsed and remitting. 4. Of 52 patients, 2 cases were associated with thyroid disease(3.8%) and 2 with insulin-dependent diabetes mellitus(3.8%). 5. All of those who received anticholinesterase and corticosteroid therapy were improved with the exception of 5 cases which were improved after thymectomy and/or plasmapheresis. 6. Spontaneous remission was occured in 2 cases(3.8%) of ocular myasthenia gravis. And 1 case of group II was cured through thymectomy and long-term corticosteroid therapy.