AUTO-ADPT 조타시스템에 있어서 적절한 조타모드의 선택에 관한 실선실험

신호식,김우숙 木浦海洋大學校 1998 論文集 Vol.6 No.2

PR-8000 autopilot system, in the training ship SAE YU DAL, provides two kinds of steering mode for the auto steering : these are the conventional PID steering mode and the adaptive steering mode(ADPT). Free combination of these two steering modes makes it possible to establish the stable control in all variation of weather at sea. ADPT steering mode has three selection modes, that is CONFINED(CONF.), ADJ. and OPEN mode. But there are not any correct data for field officers to use. Therefore in this experiment the writer analyzed the situations and suggested the proper way of steering mode selections with detected data through on-board experiment at sea.

당뇨병과 관련된 정신병리 : 정신증상, 특히 우울증상을 중심으로 Deal with Psychiatric Symptoms, Especially Depressive Symptoms

우이혁,최신영,김정기 大韓神經精神醫學會 1996 신경정신의학 Vol.35 No.3

This study was performed to find out psychopathological characteristics related with diabetes mellitus(DM) in comparison with known DM patients, newly diagnosed DM patients, normal subjects. These three groups were examined with Beck Depression Inventory(BDI) & Symptom Check List-90-Revision(SCL-90-R). The results were as follows : 1) Known DM patients showed significantly higher scores on BDI, and all subscales of SCL-90-R than normal subjects. 2) The BDI score of known DM patients was simillar with newly diagnosed DM patients while known DM patients showed significant differences in comparison with newly diagnosed DM patients on Depression and Obsession subscale in SCL-90-R. 3) The content of depressive symptoms of known DM patients was similar with that of newly diagnosed DM patients. 4) Newly diagnosed DM patients showed higher tendency on BDI score and Interpersonal sensitivity, Depression, Anxiety, Hostility, Phobic Anxiety subscale score of SCL-90-R than normal subjects. 5) There were no differences in BDI score and all of SCL-90-R subscale score according to prevalence of DM except somatization subscale. Our study suggests that depression may be predisposed to DM and the man who has high interpersonal sensitivity, anxiety, hostility, phobic anxiety is more susceptible to DM. Futhermore, DM makes worse preivious psychopathology probably. Therefore in the management of DM, it is important to treat them according to the aspects of depression and other psychopathological characteristics.

老朽化된 R.C 아치 橋梁의 動的特性에 關한 實驗的 硏究

신재철,이우상,조창주 忠南大學校 産業技術硏究所 1997 산업기술연구논문집 Vol.12 No.2

In most countries road bridges are subjected to increasingly heavy freight traffic with a number of exceptional truck loads. This has made it necessary to devote particular attention to the dynamic beavior and dynamic property of bridges, which is a vital process in the decision-making for maintenance, repair, strengthening, or evenreplacement of existing road bridges. However, most countries including Korea do not have a comprehensive rating system or rating code. Furthermore, the current methods of rating of road bridges are dependent on the conventional design concepts and the safety parameters of the current bridge design codes. This study is carried out in order to measure dynamic response of arch bridge by dynamic loading test and investigate dynamic properties-natural frequency, mode shape, impact factor, damping ratio, DAF-of bridge by response analysis. From this study, It is estimated that dynamic behavior and the degree of old, damages of arch bridge.

페놀베타인 유도체합성(XI)

우성주,박예진,황순호,홍유화,김남재,김인종,김신규 慶熙大學校 1996 論文集 Vol.25 No.-

Tetrahydroberberine-13-one was treated with ethylchloroformate to give the C_8-N bond cleaved product 1. On the treatment with Lawesson's reagent (LAS), chloroketone 2 derived from the hydrolysis of 1 afforded the thioketone 3. On the other hand, spirotype-chloroketone 4 was transformed to diaziridine 8 by a reduction, chlorination and aziridine introduction. Also, spirotype-chlorothioketone 6 was obtained from chloroketone 4.

하악지시상분할절단술에서 자가수혈의 이용시 혈액학적변화에 관한 연구

김신헌,윤형기,박진혁,김우형,이희철,Park, Jin-Bae 인제대학교 백병원 2002 仁濟醫學 Vol.23 No.4

Objective : s we has known risk of acquired immunodeficiency disease due to trans-fusion, we recognize the importance of autologous blood transfusion. Since 1990, the use of autologous blood transfusion was increased in Korea. The use of autologous blood transfusion in orthognathic surgery is common. The purpose of this research is to determine, in patients undergoing sagittal split ramus osteotomy, clinical predictive cri??eria for preoperative autologous blood donation and to propose guidelines to increase the efficiency of it. Methods and Material : This article reviewed one hundred two patient who had received bilateral sagittal split ramus osteotomy with autologous blood donation in oral and maxillofacial surgery, Paik hospital, Pusan, from January 1995 to December 1999. Hemoglobin & hematocrit change was evaluated pre- and postoperatively, and erythropoiesis, relationship between procedure time and blood loss was evaluated. Results : 1. Mean age of male patient was 23.1 years and that of female patient 22.5 years. Mean body weight was 73.7㎏ in male and 49.4㎏ in female. 2. Preoperative autologous blood donation unit was mean 1.9 unit(1unit=320㎖), and transfused unit was mean 1.3 unit. 3. Three of 102 patients had positive reaction for hapatitis B virus, but no complication were occurred. 4. The interval from initial donation of autologous blood to surgery was 19 days, and from last donation to surgery was 11 days. 5. Mean hemoglobin levels in predonation period were 15.1 g/㎗ in male and 12.7g/㎗ in female. Hemoglobin and hamatocrit levels decreased by 1.0g/㎗ and 3.2% in male and 1.1g/㎗ and 3.3% in female, respectively, after collection of 1 unit of autologous blood, and decreased by 1.8 g/㎗ and 6.4% in male and 1.9 g/㎗ and 6.9% in female after collection of 2 units. 6. Preoperative erythropoiesis from first donation to surgery showed no statistically significant difference between male and female patients. 7. Estimated blood volume(EBV) ranged from 4,100㎖ to 5,800㎖ in male and from 2,600㎖ to 3,600㎖ in female. Mean estimated blood loss(EBL) was 640㎖, and up to 32% of EBV. 8. All 25 patients with more than 20% loss of EBV were trnasfused intraoperatively, and 18 of 24 patient with 16-20% loss, 16 of 30 patient with l1~15% loss, 7 of 20 patient with less than 10% loss were transfused. Transfusion requirement was increased parallel to EBV. Conclusion : It seems that the proper unit of autologous blood donation is 1.3 unit, and autologous blood transfusion is a safe method in elective surgery that predicted large blood loss. In the future, if transfused blood was controlled based on hypotensive anesthesia, preoperative hemoglobin and hemotocrit level, the proper level of autologous blood transfusion will be accomplished.

수종의 식물섬유의 급이가 고콜레스테롤 혈증 흰쥐의 지질 대사에 미치는 영향 : 1.간장의 지질성분 및 지방산 조성 Lipid Component and Fatty Acid Composition in liver

이호신,서인숙,김우준 麗水水産大學校 産業技術硏究所 1995 産業基術硏究所 論文集 Vol.4 No.-

This study was designed to observe the effects of feeding dietary fiber on the improvement of the lipids and the fatty acid metabolism in liver in dietary hypercholesterolemic rats. Experimental groups with 5% level of cellulose(A group as control group), chinese cabbage root(B group), tora stalk(C group) and sweet potato stalk(D group) were adminstered to the male rats of the Sprague-Dawley for 4 weeks. The results obtaind are as follows. Concentrations of total cholesterol, triglyceride and phospholipid in liver were significantly lower in the all experimental groups than in the control group, particularly, the lowest in the B group. Concentrations of free cholesterol and cholesteryl ester in liver were lower in the B group than in the other groups. In the fatty acid composition of total lipid, phospholipid, triglyceride and cholesteryl ester in liver, oleic acid in the MUFA was major fatty acid. From the above result, the feeding of chinese root was effective on the improvment of the lipid composition in liver.

공급률 및 탈곡통 길이 변화에 따른 자탈형 콤바인 탈곡 성능

서신원,이상우,허윤근 충남대학교 농업과학연구소 2006 농업과학연구 Vol.33 No.2

Threshing loss was increased due to dropping of the threshing efficiency when the 4 row head-feed combine harvested 5 row rice to improve harvesting performance of a combine. Reasonable design criteria were examined to determine the ranges of both of feed rate and the length of threshing drum for the 4 row head-feed combine being used as a 5-row combine. Harvesting performance increased as working width or working speed increased, it resulted in 15% increase when the working width increased from4 row to 5 row. Harvesting operations of the 4 row combine performed normally in the 4 row rice in threshing loss less than 1%, however, threshing loss increased to 2.25% in the 5 row due to poor threshing efficiency. The length of threshing drum was increased from 710 mm to 810 mm as well as the speed of crop feed chain was increased from 0.61 m/s to 0.75 m/s so as to improve the poor threshing efficiency resulted from the enlarged working width from the 4 row to the 5 row, which would decrease threshing loss less than 1%.

縱斷的 資料에서 본 다운症兒와 精神遲滯兒의 身體發育樣相에 관한 硏究

李相于,朴俊東,辛尙根,安起英,姜信範 東亞大學校 附設 스포츠科學硏究所 1994 스포츠科學硏究論文集 Vol.12 No.-

The purpose of this study was to clarify physical growth pattern from longitudinal data of the down's syndrome and the mentally retarded children, through comparing our results with those of the normal children. Measurements of body height, body weight, chest girth and sitting height on 16 down's syndrome boys(16girls), 21 mentally retarded boys(14girls) and 90 normal boys(97girls) from 1982 to 1992 were taken every year during 11 years. The results were as follows : 1. In body height growth pattern for down's syndrome and mentally retarded children, down's syndrome and mentally retarded children showed lower then normal children, and then, group difference was significantly started 12 and 13-years-old of age over(P<0.05∼P<0.01) 2. Down's syndrome boys were significantly higher then normal boys except 17 years-old of age in body weight(P<0.01). 3. Down's syndrome and mentally retarded girls were significantly higher then normal girls except 13~15 years-old of age in body weight(P<0.05∼P<0.01) 4. Down's syndrome boys were significantly higher then normal boys between all age intervals in chest girth (P<0.01) 5. Down's syndrome and mentally retarded girls were significantly higher then normal girls in chest girth(P<0.01) 6. Down's syndrome and mentally retarded children were significantly lower then normal children except 7 through 11 years-old of age in sitting height(P<0.05∼P<0.01)

Protoberberine 입체이성에 관한 연구

황순호,임형업,우성주,김신규 慶熙大學校 1994 論文集 Vol.23 No.-

We have synthesized protoberberine derivatives from tetra- hydroberberinium perchlorate. On quaternization of a several protoberberine derivativese with methyl iodide, the formation of the cis methiodides the corresponding trans methiodides increased according to the order of the bulkiness of the 14-substituent as H>CH₃>CN. The N-methyl signal of the cis 14-substituted quinolisidine methiodides was conformed to appear at higher field than those of the corresponding trans methiodides except for the 14-cyano methiodides in their NMR specta.

Three-Dimensional Z-Plasty(Yoon's Method)를 이용한 내안각 췌피 성형술

박흥식,김우신,윤진호,나민화,김한중 대한미용성형외과학회 1997 Archives of Aesthetic Plastic Surgery Vol.3 No.1

The presence of epicanthal folds in Asian eyelids is one of their unique features, in combination with the lack of supratarsal folds. Western culture has influenced many people to prefer to eliminate the prominent epicanthal fold. A number of surgical techniques have been suggested for their correction. However, difficulty with design, excessive and prominent scarring of medial canthal and nasal area, recurrence, and rigidity of application are potential problems associated with many procedures. This paper describes a epicanthoplasty with three-dimensional Z-plasty. Through epicanthal fold incision, the medial canthal tendon is medially advanced and sutured to the periosteum of nasal bone. After the transposition of the flaps, trimming of the flap is usually required. Three-dimensional Z-plasty creates the attractive eyes. From March, 1995 to March, 1997, the technique was applied to 37 patients with epicanthal fold and was performed with or without double-fold operation. There were 34 females and 3 males with ages ranging from 17 to 30 years. Through 2 years follow-up, this technique has delivered esthetically good results with minimal postoperative scar and could made the reduction of ICD from 40 ± 2.13 mm to 34 ± 1.98 mm. The advantages of epicanthoplasty procedure using three-dimensional Z-plasty(Yoon's method) are as follows; 1) simple in design 2)minimal postoperative scar in the medial canthal area 3) versatile in its application 4) no recurrence 5) no hypertrophic scar 6) preserving ethnic identity.