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송치운,구본정,안봉수,전준식,안미애,이진홍,송민호,김영건,노흥규 충남대학교 의과대학 지역사회의학연구소 1995 충남의대잡지 Vol.22 No.2
Addison's disease is a rare primary adrenal insufficient disorder resulting from chronic deficiency of adrenal cortical hormones. Clinical manefestations are generalized weakenss, weight loss, hyperpigmentation (especially sun exposed area and mucous membrane), hypotension, hyponatremia, hyperkalemia, gastrointestinal symptoms (involving anorexia, nausea, vomiting, abdominal pain). A 34-year-old woman has experienced slowly progressive generalized weakenss and skin pigmentation, anorexia, nausea, vomiting with ascites and diffuse abdominal pain. On the time of admission, her main clinical manifestations were anorexia, nausea, vomiting, fatigue, generalized weakness, amenorrhea, hair loss, diffuse abdominal pain revealed as Addison's disease due to bilateral adrenal tuberculosis. Her adrenal insufficient symptoms were recovered with the replacement of adrenocortical hormones and antituberculous medications. After treatment, Her skin pigmentation was decreased and menstruation was reappeared. Here we experienced one cases of Addison's disease with tuberculous peritonitis.
글로벌 SCM 환경에서의 통합 생산계획 모델에 관한 연구
정호상,송익수,정봉주 한국로지스틱스학회 2002 로지스틱스연구 Vol.10 No.1
본 논문은 글로벌 SCM(Supply Chain Management) 환경에서 생산 연계 비용의 최소화를 목적으로 하는 생산 계획 수립 알고리즘을 제안한다. 글로벌 SCM환경은 지역적으로 분리된 여러 개의 공장에서 각각 부분품 및 완제품의 생산이 이루어지는 환경이다. 이러한 환경에서 완제품의 주문량 또는 수요 예측량을 만족하지 위해 제품의 BOM(Bill-Of-Material) 구조를 고려하여 각 부분품의 생산계획량을 결정해야 한다. 각 공장에서는 제한된 생산 능력을 가지면, 특정 부분품 또는 완제품을 생산한다. 부분품의 생산은 특정 공정 시간을 가지며 완성된 부분품은 이후 공정을 위해 다른 공장으로의 이동시간을 갖는다. 본 논문의 목적은 공장의 생산능력을 만족시키면서 제품의 공장별 생산 비용, 재고 비용, 공장 간 물류 비용을 최소화 시키는 생산 계획을 수립하는 문제의 해를 구하는 것이다. 본 논문에서는 글로벌 SCM 네트워크를 정의하고, 주어진 네트워크의 생산 계획문제를 혼합 정수 계획법을 이용하여 모델링한다. 효과적으로 문제를 해결하기 위해 계산 시간면에서 효율적인 발견적 기법을 제안하고 실험을 통해 해법의 성능을 검증한다. This paper presents a production planning algorithm for minimizing the costs of production and distribution in Global SCM(Supply Chain Management) environments. In the Global SCM environment, the several local plants produce parts and products. In this environment, we have to decide the production volumes of both parts and products considering the BOM(Bill-Of-Material) structure to meet the fixed order quantity or forecasted demand quantity. Each plant produces the specified parts of product and has a certain production capacity. There exist a fixed production lead time to make products and transportation lead time to move parts to different plants for subsequent processes. The objective of this study is to solve the production planning problem, which minimizes the total costs of production, inventory, and transportation under constraints of production capacity. For this problem, the integrated production planning model was formulated as a mixed integer programming, and an efficient heuristic algorithms was proposed. The experimental investigation shows that the proposed heuristic generates quite good solutions at very low computation costs.
매크로/마이크로 레벨 볼트 결합 구조물에서의 실험적/해석적 방법을 통한 시스템 특성 비교
김봉석,이성민,이문구,이수훈,Jun Ni,송준엽,이창우,하태호 한국공작기계학회 2006 한국공작기계학회 추계학술대회논문집 Vol.2006 No.-
As the micro technology and miniaturization of a structure and component in the last couple of decades have been concretely realized, the understanding of structural and dynamic characteristics and prediction of dynamic behavior are indispensable to the miniaturized structures and micro machines. This paper shows the effect of dynamic characteristics in bolt-jointed structures by comparing natural frequencies and mode shapes between macro and micro-scale beams through experimental modal analysis and finite element analysis with a1 8 test models by materials, by size, and by joining condition; that is, SS41 and A16061-T651, micro and macro, and monolithic beam and bolt-jointed beam.
박수봉 ; 이채호 ; 이상덕 김천대학교 2003 김천대학교 논문집 Vol.24 No.-
The purpose of this study was to determine repeatability of measure- ments of interpupillary distance. We measured far interpupillary distance and near interpupillary dis- tance at fixation distance of 40cm with a millimeter ruler and Shinnippon PD-82 corneal reflection pupillometer. The difference of measurements of IPD by a pupillometer and a ruler is little, and reproducibility by a pupillometer is better than by a ruler.
박수봉 ; 이채호 ; 이상덕 김천대학교 2004 김천대학교 논문집 Vol.25 No.-
This study was compared and analyzed the differences in the academic achievement of the students of the Department of Ophthalmic Optics, who were classified according to method of admission selection, origin. ages, participation levels in the events held by the department, and gender, in the first semesters of the years 2002 to 2004. This study was aimed to find out if these factors affected the academic achievement of the students. The standard GPA was set at 4.5 and the students whose records show a grade of F in all subjects, or those who were regarded as not having had the intention to complete the semesters under study were not included among the subjects of the study,According to the method of admission selection. those students who enrolled in the department through college or higher degrees course graduate selection processes had the most superior academic records while those students selected, through a special selection process, from agriculture and fisheries communities showed the worst academic records. According to origin, those students from Gyeongsangnam-do achieved the most superior academic records while those students from hoongcheongbuk-do showed the worst academic records. This, howev-er. excluded those regions from which less than 5% of the students came According to ages, 30-34 year-old students showed the best academic results, and the students under the age of 23 showed the least impres-sive scholastic achievement. According to participation levels in the events held by the department, no significant difference in scholastic achievement was observed. According to gender, the academic records of the female students were superior to those of the male students, but the differences were relatively small.
A rare case of extensive papillary muscle calcification in senile cardiac calcification syndrome
김은진;송봉근;강민호;손형래;홍수민;박동원;허승혜;김계연;최석구 인제대학교 2011 仁濟醫學 Vol.32 No.-
광범위 유두근 석회화는 흔하지 앉으며, 원인과 임상적 중요성에 관한 문헌만 드물게 찾아볼 수 있다. 반면에 작은 석회 침착은 노인에서 흔하며 심장 첨부에 주로 나타난다. 유두근 석회화는 관상동맥질환, 확장성 심근병증, 승모관 질환, 고칼슘혈증, 그리고 말기신부전에서 인산칼슘의 중가와 연관성이 있다. 저자는 심장초옴파와 MDCT를 통해 진단된 전외측 유두근의 광범위 석회화의 드문 사례가 있어 보고한다.
박찬일,송영복,정봉진,박용호 충남대학교 의과대학 지역사회의학연구소 1999 충남의대잡지 Vol.26 No.2
To evaluate experimental kanamycin - induced ototoxicity, changes of hearing loss were observed after administration of kanamycin in guinea pig, using auditory brainstem rcsponse(ABR) audiometry. Kanamycin(KM), 50mg/kg/day(group I), 100mg/kg/day(group Ⅱ), 200mg/kg/day(group Ⅲ) and 400mg/kg/day(group IV), was injected intramuscularly in each group and ABR thresholds were measured every other days through 50 days after the initial administration of KM. The injection of KM was discontinued at the day when the ABR threshold was increased more than 40 dB in each guinea pig. After the discontinuation of KM injection, ABR thresholds recovered progrssively to the base line level before the day 50 in group I and Il. But the ABR threshold changes were progressed after discontinuation of KM injection and finally they showed no responses in group III and IV. The results suggested that high dose KM administration could result progressive and irreversible hearing loss after the discontinuation of KM administration.
裵錫悌,宋之浩,李吉來,鄭興基,洪聖根,趙鳳坤,朴種洙 군산대학교 1983 群山水産專門大學 硏究報告 Vol.17 No.1
In order to develop the curriculum of the fishery department in the fisheries Jr. college, We have collected and analyzed the domistic and foreign data adquated to the fishey department under the international trend, also we gathered the opinion from the inquiring paper investigation and consultation to the industrial field, concerned college and graduate during the 6 month from September 1982. The fishery department curriculum in fisheries Jr. college will be industrialized with the concerned technics and knowledge in relation to speciality of maritime affairs. Accordingly, we have developed the adquate curriculum which is practical and can be cultivated the technician to adopt in the industrial society.