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김용민,원중희,최의성,서중배,이호승,허윤무 충북대학교 의학연구소 2001 忠北醫大學術誌 Vol.11 No.2
연구목적: 만성 요통 환자의 많은 수가 직업 등 주변 환경과 심리 상태의 영향을 받는 것으로 추정되나 그 연관성은 아직 논란이 많다. 본 연구에서는 설문 조사를 통하여 만성 요통 환자의 심리사회적 특성을 알아보고자 하였다. 대상 및 방법. 1997년 7월부터 1998년 12월까지 6주 이상 지속된 만성 요통으로 본원 정형외과 외래를 내원한 환자들 중 기질적 원인이 불명확한 62명의 환자들에서 직업, 유발요인, 치료 등 요통 관련 요소 설문과 Minnesota Multiphasic Personal Inventory (MMPI)를 실시하였다. 요통 관련 사항에는 통증의 기간, 정도, 통증이 유발 또는 심해지는 자세, 그리고 본인이 생각하는 요통의 원인 등을 포함하였다. MMPI는 전체 평균을 이용한 방법과 two-code 방법을 이용하여 평가하였다. 결과: 만성 요통환자의 직업 상 실내에서 앉아 일하는 직업이 가장 맡았으며 일정한 자세를 오래 유지하며 앉거나 서 있는 경우 증상이 악화되는 것으로 기술되었다. MMPI에서는 건강 염려증, 우울증, 히스테리의 세 척도의 평균이 55이상으로 상승되어 있었다. Two-code 방법에서는 92% (46/50)의 환자에서 위 세 척도 중 적어도 하나 이상 상승되어 있었다. 결론: 만성 요통 환자들에서 일상 생활의 자세와 직업이 요통의 발생 및 악화에 영향이 있을 것으로 보여졌다. MMPI를 통한 심리 인성 검사 상 건강 염려증, 우울증, 히스테리의 성향이 증가되어 있어 요통의 발생과 만성화에 심리적 요소가 영향을 미치는 것으로 보여졌다. 사회경제학적, 정신심리학적 요인이 만성 요통에 미치는 영향의 규명을 위한 다양하고 심도 있는 연구가 필요하다고 생각된다. Purpose : Socioeconomic and psychologic factors seem to affect incidence, severity, and chronicity of low back pain. Purpose of this study is to survey socioeconomic factors and document psychoneurotic traits via MMPI in chronic low back pain patients. Materials and Methods : From July 1997 to December 1998, questionnaire about low back pain-related factors such as duration, severity, posture, occupation etc. and MMPI were given to patients who visited our department for chronic low back pain()6weeks). 62 patients completed, and 50 of them completed MMPI. The answers were analyzed. MMPI scores were evaluated in mean±SD method and two-code method. Results : Sedentary workers were the most common. And symptoms were told to be elicited by long sitting or standing posture(job) . Hs, D, Hy scales of MMPI, which are know as "neurotic triad by two-code method was observed in 92% (46/50) . Conclusion : It seemed that job and posture had Important role in chronic low back pain. And, it seemed that chronic low back pain patients had some psychoneurotic traits especially in hypochondriasis, depression, and hysteria. More investigations to document the influences of socioeconomic and psychoneurotic factors in chronic low back pain seems to be necessary.
조용근,홍성표,장충현,이두형 大韓成形外科學會 1991 Archives of Plastic Surgery Vol.18 No.1
We cultured the keratinocytes from different donors for 3 weeks and the cultured keratinocyte sheets were applied to the 15 cases of patients who had hypertrophic scars on their extremities. (auto-??allografting) And the applied keratinocyte sheets were studied for the adaptation, growth ?? differentiation with light and electron-microscopy. The results were as follows; 1. Grafted epidermal cells started differentiation from second week post-grafting and showed a similar appearance to the normal epidermis at fourth week post-grafing. 2. Keratohyalind granules were seen from fourth week post-grafting and showed a normal appearance at fifth month post-grafting. 3. Immature desmosome-tonofilament complexes were seen at cultured epidermal sheet and showed a normal appearance at fifth month post-grafting. 4. Rete ridges showed its appearance at fourth week post-grafting and showed a normal appearance at fifth month post-grafting. 5. Fine structures of epidermo-graft bed junction showed a discontinuous appearance at second week post-grafting and showed a normal continuous appearance at fifth month post-grafting. In summary, the 'take' of grafted epidermal sheets begins at fourth week post-grafting and completed at fifth month post-grafting.
오충현,김용훈 동국대학교 산업기술연구원 2007 산업기술논문집 Vol.16 No.2
The area of sealing land has increased by urban development after the Industrial Revolution. The sealing of land destructed the water circulation of city. The study of solution for this problem was executed to decrease out-flow rainwater. In this study, we investigated the status of rainwater permeable linear facilities and provide the management measure of it. The study site is Seoul, which is a representative city of Korea. The survey sites were divided into park and residential area. The contents of survey are structure, depth, materials of rainwater permeable linear facilities, and the quality of permeable water. In the result of this study, the rainwater permeable linear facilities were divided into 42 types. 30 types are in park area, and 12 types are in residential area. The permeable facilities are 12 types in 42 types. In the permeable facilities, 1 type is in residential area, and 11 types are in park area. In materials of rainwater permeable linear facilities, natural materials are 5 types and natural-artificial mixed materials are 7 types. The quality of permeable water is usually good. The constructing year and the ratio of rainwater permeable linear facilities is not related each other. As the result of this study, Seoul metropolitan government does not regard to rainwater permeable linear facilities. And so the management measure of rainwater permeable linear facilities is necessary for restoration of water circulation system in urban area.
朴忠生,李吉旺,李用斌 慶尙大學校 1972 論文集 Vol.11 No.-
生後 1개월령부터 8개월령 까지의 在來山羊 수컷 38두의 發育 및 屠體調査를 하였다. 生體重은 1개월령에 4.2kg이었고, 8개월령에는 14.5kg이었다. 屠體率은 37.2∼43.4%였으며, 頭重率은 4개월령 이후에 有意的으로 감소했으며, 生體重에 대한 第一胃容積의 比는 6개월령 까지 증가한 후 점차 감소되었다. 7∼8개월령, 山羊 10頭의 精肉率은 29.8%이었으며 兩側 背長筋 斷面績은 7.92㎠이었다. 屠體重, 頭重 및 第一胃容積과 生體重 間에는 高度의 有意的인 正相關이 있었다. The body growth and some carcass data of 38 male Korean native goats from 1 to 8 months of age have been studied. The body weight increased from 4.2kg at 1 month of 14.5kg at 8 months of age. The dressing % ranged from 37.2 to 43.4%. The head % decreased significantly(P<0.05) after 4 months of age. The rumen capacity per kg body weight increased significantly (P<0.05) to 6 moths of age and decreased thereafter. The lean % and loin-eye muscle area of both sides in goats from 7 to 8 months of age averaged 29.8% and 7.92㎠, respectively. There was a significant (P<0.01) correlation between body weight and carcass weight, head weight or rumen capacity.
정충교,유용수 강원대학교 정보통신연구소 2000 정보통신논문지 Vol.4 No.-
It has been observed that assured service in the differentiated service network cannot guarantee the contracted profile rate fairly. Achieved throughput depends on the profile rates. TCP's congestion avoidance algrorithm causes this. In this paper we proposed 3-drop precedence scheme which is using token bucket and TSW(Time Sliding Window) marker to solve this problem. we showed proposed scheme improves the performance of assured service and this scheme is effective also when the non-responsive UDP traffic sources exist.
외과적 보조의 급속상악확장술 : 치험 5예 REPORT OF 5 CASES
박충열,이용욱,송종운,김영운,박홍주,오희균,유선열,이기현,황현식 대한악안면성형재건외과학회 2002 Maxillofacial Plastic Reconstructive Surgery Vol.24 No.1
Five adults (3 cases of bilateral posterior crossbite, 2 cases of unilateral posterior crossbite) with intermaxillary discrepancy of over 5㎜ due to maxillary transverse deficiency were treated by surgically assisted rapid maxillary expansion (SARME). Bilateral maxillary horizontal osteotomies, osteotomies of pterygomaxillary junction and anterior lateral nasal wall, ans anterior palatal osteotomy were performed in 4 cases, and unilateral osteotomies in 1case, followed by palatal expansion with tooth-borne orthopedic applicance. No significant complication was observed. The mean palatal expansion was 7.2㎜ (5.8∼10.0㎜) in the maxillary first molar region. During the mean follow-up period of 4 years (5 months∼8 years 7 months), no recurrence of crossbite was observed in all cases. The SARME seemed to be a simple, stable, and reliable procedure for achieving a permanent increase of over 5㎜ in skeletal maxillary transverse width of adults.
李善鏞,金永銓,張忠根,徐日煥 충남대학교 자연과학연구소 1982 忠南科學硏究誌 Vol.9 No.1
The crystal structure of potassium chloride and potassium bromide have been determined by X-ray diffraction method. Both unit cells are face-centered cubic, F(4/m)3 ̄(2/m) z=4 but a=5.2857Å, V=248,348Å^3, D_c=1.989 gr/㎤ for KCl and a=6.5891Å, V=286.074Å^3, D_c=2.756 gr/㎤ for KBr. the structures were solved by graphical method using thirteen KCl and eleven KBr powder diffractometer data. The agreement between the experimental and theoretical integrated intensities of the reflecting planes is fairly good. The crystal are aggregates of positive and negative ionic atoms. Each atom has six nearest neighbors of the other kind. The distances between unlike atoms are 3.1429Å in KCl and 3.2945Å in KBr.
차용훈,성백섭,이연신,박영문,김충환 朝鮮大學校 機械技術硏究所 2002 機械技術硏究 Vol.5 No.1
The very few non-contact method are still in the early stage. One of the non-contact methods is by the use of the laser that has high-level of the accuracy for the measurement, and this laser also has excellent characteristics on which many studies for its applications are focused throughout the many fields. The dissertation is on the measurement of the strain caused by the characteristics of the spot welded zone which is used with 3-D ESPI system that is functionally modified through the laser ESPI(Electronic Speckle Pattern Interferometry) system. This system employed the SGCC 1.2t which are mainly used for the steel plate such as automobile, structure, electronics instrument, building material and electronic appliances.