입상활성탄의 입도 크기에 따른 자연발화 특성에 관한 연구

최재욱,김상열 동아대학교 공과대학 부설 한국자원개발연구소 1993 硏究報告 Vol.17 No.2

The spontaneous ignition characteristics according to particle size of granulated activated carbon were observed at a constant ambient temperature. As the results of the experiments at the same sample size, the ignition induction time increased as the sample vessel size increased and the critical spontaneous ignition temperature decreased as the sample vessel size increased. As the sample particle size increased, the critical spontaneous ignition temperature decreased. Apparent activation energy of the sample calculated from the Frank-Kamentskii's thermal ignition theory was 37.73 ㎉/㏖.

3분 및 4분 상완골근위부 골절에서의 외반형 및 내반형에 따른 임상적 비교

최창혁,권굉우,김신근,이상욱,신동규,이승진 대한골절학회 2002 대한골절학회지 Vol.15 No.4

목 적 : 수술적으로 치료한 3분, 4분 상완골 근위부 골절을 외반형과 내반형으로 재분류하여 임상적 결과를 비교하고자 하였다. 대상 및 방법 : Neer 분류상 3분, 4분 상완골근위부 골절로 분류된 21례에 대해 수술적 치료를 시행하고 12개월 이상 추시된 증례를 대상으로, 골절부위의 각형성, 상완골두의 방향성, 그리고 우세 전위결절의 양상에 따라 외반형과 내반형으로 재분류하여 UCLA shoulder rating scale에 따른 기능적 평가를 시행하였다. 결 과 : 단순 방사선 소견을 기준으로 Neer의 3, 4분 상완골 근위부골절을 외반형과 내반형 및 각각의 아형(subtype)으로 분류할 수 있었다. 견관절 반치환술을 시술한 2례를 제외하고 분석한 각 그룹의 UCLA 기능적 평가는 외반형에서 양호 이상의 결과가 9례중 8례(89%), 내반형에서 10례중 4례(40%)로 외반형에서 더 우수한 임상적 경과를 보였다. 결 론 : 상완골 근위부 골절에서 골두의 방향성은 골절의 각형성 및 우세 전위결절의 양상과 높은 상관관계를 가졌으며, 내반형의 경우 혈행과 신경장애가 좀더 빈번하고 예후도 불량한 것으로 나타났고, 이러한 경우 수술시 도달 방법, 연부조직 상태에 대한 평가가 더욱 신중하게 고려되어야 할 것으로 생각되었다. Purpose : We reclassified three-and four-part proximal humerus fracture by Neer's classification into valgus & varus type, and compared the results of these groups. Materials & methods : 21 cases classified as three- and four-part fracture in Neer's classifiation were treated surgically and followed for 12 months. We reclassified the 21 cases vlagus and varus type fractures, according to angulation of fractures, facing of humeral head, and dominant displaced tuberosity. Functional evaluation was done by UCLA shoulder rating scale. Results : Neer's three- and four-part proximal humerus fractures could be reclassified based on angulation, facing of humeral head, and dominant tuberosity displacement. The functional results according to UCLA shoulder rating scale were good or excellent in 8 of 9 cases of valgus type(89%), and at 4 in cases of varus type(40%). The clinical result of the valgus type was better than that of the varus type. Conclusion : Based on reclassification system of proximal humerus fractures, clinical results and radiographic findings including angulation, facing of head and domonant tuberosity displacement showed close relationship. Neurovascular complication were more frequent in the varus type. Therefore, careful evaluation including surgical approach and soft tissue status should be considered in the varus type of complex proximal humerus fracture.

건조기에서 Amino수지 성형재료의 경화특성에 관한 연구

최재욱,최일곤,목연수,김상렬 釜慶大學校 1998 釜慶大學校 論文集 Vol.3 No.2

We studied the effect of mass transfer in a dryer on the condensation of amino resin mould material and the curing characteristics, and investigated the drying rate, the moisture and the curing fluidity according th the variations of the temperature and the drying media recycle volume which affects the mass transfer in the drying process. So, the result are summarized as follows: ① As the drying temperature increased to 70℃, 80℃ and 90℃ respectively, the drying rate became fast. ② In the same final drying time, the higher the drying temperature became, the more the moisture content of the urea resin mould material inceased. ③ Accordingly as the drying temperature increased, the moisture content of the drying material suddenly decreased in short drying time, but the moisture content increased when the drying time was between 80 minute and 120 minutes. ④ As the drying temperature increased, the curing fluidity of amino resin mould meterial decreased. ⑤ As the recycle volume of the drying media increased, the curing fluidity decreased.

흉추 경막외강으로 침윤한 흉선종 1례 : Metstasis to Thoracic Epidural Space

최정훈,백욱성,박대곤,오경구,최천식,배상도 高麗病院 1987 高醫 Vol.10 No.-

청소년의 속어 사용과 자아개념과의 관계

최성욱,강동철 木浦大學校 敎育硏究所 2004 교육연구 Vol.16/17 No.-

본 연구는 목포지역의 청소년을 대상으로 속어사용과 자아개념과의 관계를 밝혀보고자 하는데 그 목적이 있다. 일반적으로 청소년들이 사용하는 말은 오락적이고 해학적인 성격을 띠고 있는 것도 있지만, 매우 폭력적이고 저속한 속어의 성격을 띠고 있는 말이 많다. 이것은 학생들의 생각이 거칠어지고 저속해져 가고 있음을 나타내는 것으로 인성지도 면에서 보더라도 매우 심각한 형편이다. 언격은 인격이라는 말이 있는데 말을 들어보면 그 사람의 인격과 성격을 알 수 있고 심리 상태를 알 수 있다. 사람의 말은 전인격의 반영이기 때문에 우리는 말의 교육을 통하여 사고방식을 훈련하고 나아가서는 인격을 도야하는 데까지 이르러야 할 것이다. 본 논문을 통하여 청소년들의 언어실태를 파악하고 어떻게 지도할 것인지를 살펴보고자 한다. The aim of this report is to survey the interrelationship between adolescent's usage of slang and self-concept in Mok-po. Followings are the hypotheses of this report. First, how do boys' and girls' usage of slang emerge? Second, how does their self-concept emerge? Third, what is the relationship between adolescent's usage of slang and self-concept? To solve these hypotheses, I observed 248 male pupils in high school, and 222 female pupils in high school. Followings are the results. First, boys use slang more than girls. In particular, frequency related with sex was high. Second, there was no distinctive difference between boys and girls in self-concept. Third, other factors are not meaningful except social self-concept in between usage of slang and self-concept(p<.05). In contrast, there is no distinctive relationship among moral self-concept, personal one, domestic one and educational one. In this report, first, we can observe that adolescence's usage of slang is related with sex. This indicates that boys are interested in sex. Second, self-esteem between boys and girls is little different. This indicates a sense of value isn't much different between them. Finally, social self-concept which is only meaningful between usage of slang and self-concept indicates adolescence's psychological state is negative against social system and not to perceive it.

하이데거의 자연론

崔相旭 강남대학교 1998 (강남대학교)논문집 Vol.32 No.1

Langmuir-Blodgett 초박막의 전기적 특성

최병호,김성진,정순욱 金烏工科大學校 1998 論文集 Vol.19 No.-

Ultrathin film of 100Å-order is fabricated by Langmuir-Blodgett technique. By measure of UV-vis spectra and capacitance, deposition status was confirmed together with the thickness of natural oxidized aluminum film inside a device and dielectric constant of (N-docosyl pyridinium)-TCNQ(1:2) complex. The conductivity of this film measured by the direction of either vertical or horizontal axis is results in a quite different value.

보조기를 이용한 족관절 외과 골절의 비수술적 치료

최남홍,곽호윤,송백용,배상욱,이인묵,김도현 대한골절학회 2003 대한골절학회지 Vol.16 No.3

목적: 이번 연구의 목적은 보조기를 이용하여 최소 전위된 족관절 외과 골절의 보존적 치료 결과를 알아보는 것이다. 대상 및 방법: 11명 (11예)의 환자들이 수상 후 8주간 전 체중 부하 보행으로 보존적 치료를 받았다. 적응증으로는 3㎜ 이하의 골절 전위, 내과 부분의 동통과 부종이 없거나 있어도 미약한 경우, 거골의 외측 전위가 없는 경우로 삼았다. 환자들은 AOFAS (the American Orthopedic Foor and Ankle Society) Ankle-Hindfoot Scale에 의해 평가받았다. 결과: 평균 103주 (36~192주)의 추시 관찰을 하였으며, 전례에서 발목 관절의 운동 범위는 정상이었다. 평균 AOFAS Ankle-Hindfoot Scale 점수는 95점이었다. 결론: 보조기를 이용한 보존적 치료의 장점은 조기에 전 체중 부하 보행을 하며 일상생활 및 사회생활을 영위할 수 있다는 것, 환자의 편안함, 그리고 재활 치료 기간의 단축이었다. 그러므로 최소 전위된 족관절 외과 골절에 보조기를 이용한 보존적 치료는 권할만하다. Purpose: The purpose of this study was to evaluate the outcome of conservative treatment for minimal displaced lateral mallolar fracture using ankle brace. Materials and Methods: Eleven patients (eleven ankles) underwent conservative treatment with ankle brace for 8 weeks with full weight bearing ambulation. Inclusion criteria were minimal displacement (<3㎜) of fracture, no or mild tenderness or swelling on medial malleolar area and no lateral shift of talus. The patients were evaluated with AOFAS (the American Orthopedic Foot and Ankle society) Ankle-Hindfoot scale. Result: Average follow up was 103 weeks (36~192). All cases had normal range of motion of ankle. The average score of AOFAS Ankle-Hindfoot scale was 95 points. Conclusion: The advantages of conservative treatment with ankle brace were early return to daily activity and work, comfort to the patients and a short period of rehabilitation. Conservative treatment with ankle brace for minimal displaced lateral malleolar fracture is recommended.

아크릴로니트릴 제조공정 중 혼합용매를 이용한 아세토니트릴 회수에 관한 연구

최성욱,장윤식,박동원 동아대학교 환경문제연구소 1998 硏究報告 Vol.21 No.2

The phase equilibria of quaternary liquid-liquid extraction system composed acetonitrile- water-o-xylene-ethylacetate mixture was investigated. The purpose of this study is to determine and describe LLE data for the quaternary system containing acetonitrile aqueous solution and solvent at 25℃. We investigated that the selection of the optimum solvent to separate acetonitrile from aqueous solution. The distribution and selectivity- for quaternary system o-xylene(l)-water(2)-acetonitrile(3)-EAc(4) are increased with addition of o-xylene. These experimental tie-line data are also compared with the values predicted by UNIFAC model. It is shown that UNIFAC model is capable of predicting the tie-line in these quaternary systems within an average root mean square deviation of 3.98 mo %.

五神에 관한 연구

최성욱,강정수 대한동의병리학회 2001 동의생리병리학회지 Vol.15 No.3

Spirit and body are inseparable relations in Oriental Medicine. Functions of spirit and body are regarded as one in Oriental Medical physiology. Spirit is the essence of a function which an organism reveal and it is regarded in the same with life. For this reasons, identification spirit with life is special feature of Oriental Medicine. It explain physiological and pathological phenomenon in consider spirit in relation to Five viscera. The spirit was divided Five Spirits, Five Spirits associate closely with Five viscera, and act different operation of mind. Five Spirits are an important matter to understand mental activity in human. Shin(神) controls all mental activities. Shin(神) was divided into Hun(魂), Beak(魄), Yi(意), Zhi(志), related to Heart. it works material base on Essence of Life. Hun(魂) is an mental activity in unconscious state related to Liver. Beak(魄) is sensuous activity like instinct related to Lung. Yi(意) is a short period memory in conscious state related to Spleen. Zhi(志) is concentration of spirit, fixed state of Yi(意), means a long period memory related to Kidney.