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박종오,안무선,김필수 漢陽大學校 自然科學硏究所 1996 自然科學論文集 Vol.15 No.-
ECR 플라즈마는 낮은 기체 압력, 높은 이온밀도 및 낮은 이온에너지 등의 특성을 가지고 있어 저손상, 미세회로 및 신소재 개발공정의 유력한 수단으로 인식되고 있다. 본 연구에서는 질소와 산소 ECR 플라즈마 발생변수에 관한 특성을 조사하였다. 특히 질소 및 산소기체 플라즈마를 생성시켜 자장변화와 기체 압력에 따른 플라즈마 밀도의 균일성을 조사하였고, 기체 압력변화 및 기판부근의 위치변화에 따른 질소 및 산소 플라즈마의 이온밀도 및 전자에너지의 분포특성에 대하여 조사하였다. 기체 압력 20-60mTorr 범위에서 이온밀도는 기체압력이 낮을수록 증가하였고 자장세기 분포에 비례하는 경향을 보였으며, 전자에너지는 압력이 낮을수록 감소하는 현상을 보였다. 이는 질소와 산소 기체 모두에서 동일한 경향을 나타내었으며 특히 질소기체의 경우 기체압력이 높아질수록 생성된 플라즈마가 매우 불안정하였다. 따라서 높은 이온밀도를 가지는 안정된 플라즈마를 형성할 수 있는 조건으로는 낮은 기체압력, 높은자장세기분포 등이 요구됨을 알 수 있었다. ECR plasma, having its characteristics of low gas pressure, low ion energy and high ion density, has become one of useful means to research and development for new materials and microeletronic circuits with low loss. These study deals with the characteristics of N₂and O₂ECR plasma generation. Especially, the uniformity of plasma density depending on the magnetic field and gas pressure of N₂and O₂has been investigated. In addition, N₂and O₂ion densities, and electron energy distribution properties are examined with variation of gas pressure and position in the vicinity of substrate. In the gas pressure range of 20-60mTorr, the ion density increases as decreasing gas pressure, although it is nearly proportional to the magnetic field. On the other hand, electron energy decreases as decreasing gas pressure. These phenomena show in both N₂and O₂gas plasmas. Therefore, the conditions to produce a stable plasma with high ion density must be low gas pressure and high magnetic field.
하치조신경 및 설신경 손상 평가를 위한 한국인 정상 성인의 하순-이부 및 혀의 감각 조사
이종호,이세영,송승일,이은진,안강민,김성민,명훈,황순정,서병무,최진영,정필훈,김명진 大韓顎顔面成形再建外科學會 2003 Maxillofacial Plastic Reconstructive Surgery Vol.25 No.2
In the head and neck area, there are so many sensory nerves, which are sometimes injuried iatrogenically or inadvertently so that involved patients complained of the loss of sensations. In such cases, it is important to judge the degree of injuries and regeneration of nerve for better diagnosis and treatment. Seddon and Sunderland's classification, which is commomly used, is focused on histological change and nerve conduction. As times goes by, it is difficult to access patient's sensory disturbance by this method. Until now, so many methods such as contract threshold, direction, two-point discrimination, pin prick, thermal discrimination and current perception threshold have been introduced for sensory evaluation. However, there hasn't been enough information regarding each methodology nor integrated standard methodology for the measurement. the purpose of this study is to get Korean adult normative sensory values of lower lip,chin and tongue using modified methods of contact thershold, ditection, two point discrimination, pin prick, thermal discrimination and assess degree of regeneration of sensory nerve damage.
최종필 남서울대학교 2004 남서울대학교 논문집 Vol.10 No.1
The purpose of this study was to identify the difference of Consumer Attitude on Advertisement Model Types. In order to achieve this purpose, adults of 130 above 20 years were selected as subjects from the Seoul area by using the stratified sampling method. Out of the 130 questionnaires responded to, only 122 were used for data analyses because 8 were responded to incompletely or incorrectly. The instrument for data collection was a questionnaire in which Consumer Attitude consisted of items identified by Jin(2000)), respectively. The statistical methods utilized in the study for analyzing the collected data were descriptive statistics, and t-test and the following results were obtained: First, consumer attitude(qualification, speciality and purchase intention) in the beauty product differ statistically and significantly according to the types of advertisement model(a popularity talent more then sport star). Second, consumer attitude(speciality) in the cell phone differ statistically and significantly according to the types of advertisement model(a popularity talent more then sport star). Third, consumer attitude in the credit card(fascination, trust, qualification, speciality, and purchase intention) differ statistically and significantly according to the types of advertisement model(a popularity talent more then sport star).
민간스포츠시설에 있어서 Sport Product 구조의 특성
최종필 경희대학교 사회체육연구소 1995 體育科學論叢 Vol.- No.8
The purpose of this study was to investigate the chracteristics and the structure of product in sports facilities and the value of customer's expectation and satis-faction. Questionnaire was employed to determine custormer's perception about sports facilities and other products. The results of this study reveal that the programing factors and human-ware were appeared to be highly satisfied product. On the other hand, secondary and surrounding service were unsatisfactory sport product in the sport facilities. Further study is needed to determine the factors which promote better life styles.
맨손體操 實施에 있어서 環境條件이 心肺機能에 미치는 影響
鄭琮勳,安永弼,金永明 東亞大學校附設스포츠科學硏究所 1989 스포츠科學硏究論文集 Vol.7 No.-
The research aimed at understanding the influence of environmental conditions on the cardiovascular function in exercising free gymnastics. With eight sports-majoring students, who exercised the given gymnastics in ten places, the following results were obtained. 1. The higher the temperature(℃) was, the lower steps, distance, velocity and oxygen uptake during exercise. The correlation coefficient between heart rate and temperature was 0.86(p<0.001), the former influenced by the latter. 2. As the coefficient between wind velocity(m/sec) and exercise velocity stood firm at 0.57, the latter increased at the former's growth. 3. There was a firm correlation(r=0.45∼0.52) between humidity (%) and cardiac dfficiency, energy consumption and weight loss. 4. High correlations (r=0.79, p<0.05; r=0.81, p<0.05) appeared respectively between energy consumption, weight loss and air pressure(mmHg). 5. No correlation was found in atmospheric O₂density, though it acted negatively to eight factors except heart rate. 6. A considerable correlation(r=0.70, p<0.05) was revealed between atmospheric CO₂density and heart rate.
이종호,이세영,김명진,이은진,안강민,김성민,최원재,명훈,황순정,서병무,최진영,정필훈 大韓顎顔面成形再建外科學會 2003 Maxillofacial Plastic Reconstructive Surgery Vol.25 No.2
The surgery of oral and maxillofacial area poses the risk of cranial nerve damage such as trigeminal nerve or facial nerve. Inferior alveolar nerve is prone to damage in the third molar extraction, implant installation, orthognathic surgery, open reduction and rigid fixation, and tumor ablation surgery. On the other hands,facial nerve is likely to be damaged or sacrificed with trauma or parotidectomy. In case of inferior alveolar nerve injury, the incidence is reported to be about 1.3%. The nerve function will almost recover in minimal damage, but it won't recover at last in total damage of a part of nerve unit. In latter cases, nerve regeneration in intended by allograft as nerve substitute or various route of merve condit. But the recovery with autograft is believed to be most relialbe mrthod in the rapair of long-span(longer than 15㎜)nerve defect. We have performed autologous sural nerve graft in the repair of nerve defect, which is caused by resection of benign or malignant tumor. Hereby we report the method of nerve harvesting, recovery of defected peripheral nerve and the complications of donor site with the discussion of sural nerve anatomy.
변영남,정필훈,윤영호,김종철 大韓顎顔面成形再建外科學會 1996 Maxillofacial Plastic Reconstructive Surgery Vol.18 No.4
Angiolymphoid hyperplasia with eosinophilia(ALHE) is benign subcutaneous lesion that primarily affects head and neck region. It is characterized by single or multiple nodules in the subcutaneous tissue associated with eosinophilia in the peripheral blood. Kimura's disease, originally reported by Kimura et al., is similar lesion with ALHE in the clinical and histopathological aspects. There has been considerable controversy about the relation between Kimura's disease and ALHE. IN Korea, 26 cases of Kimura's disease and ALHE have been reported since 1975. We present a case of recurred ALHE occurring on the left cheek in a 58-year-old woman. Including this case, we summarized all cases that were reported as Kimura's disease or ALHE in Korea through literature review. We also give an outline of clinical and histopathological characteristics of cases reported in Korea.