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철원 비무장지대 인근지역에서 두루미류의 월동생태 및 서식지 관리
이우신,임신재,허위행,최창용,최서윤,박용수,이창배 中央大學校 食糧資源硏究所 2003 食糧資源硏究所 論文集 Vol.15 No.1
This study was conducted to investigate wintering ecology and habitat using pattern of cranes for sound protection and management of the birds and their habitat near the Demilitarized Zone(DMZ) of Cheolwon, South Korea. Distribution of cranes seemed to be affected by road construction and human activity. Dried rice paddy was mainly habitat type of cranes in Cheolwon area. Gleaning was dominant behavior during day time. Ratio of alert was increased in afternoon. There was difference in time budget of behavior between red-crowned and white-naped cranes. For the stable wintering of cranes, minimum change of habitat, decrease of human disturbance and stable food maintenance would be needed in Cheolwon area.
일부 고지혈증 폐경 여성의 Isoflavone 공급에 따른 혈중지질 변화에 관한 연구
이다홍,승정자,이행신,김미현,서유리 대한지역사회영양학회 2001 대한지역사회영양학회지 Vol.6 No.1
Intake of soy protein may decrease the risk factors associated with cardiovascular disease in postmenopausal women. This study was designed to investigate the effects of isoflavone supplementation on serum lipids in 16 hyperlipidemic postmenopausal women. For this purpose, an intervention study was conducted for 12 weeks. Subjects were healthy, free-living women consuming habitual diets with 0.3 g/d of isoflavone. Food and nutrient intake was obtained by 24-hr recall method and anthropometric measurements were made. Systolic and diastolic blood pressure, total serum cholesterol, HDL-cholesterol and LDL-cholesterol were determined before and after the isoflavone supplementation. The results were summarized as follows. The average age, height, weight and BMI of the subjects were 65.3 years, 151.4 cm, 62.2 kg and 27.1, respectively. The systolic blood pressure and diastolic blood pressure were not reduced significantly with isoflavone supplementation. Total cholesterol (p < 0.001), HDL-C (p < 0.05), and LDL-C (p < 0.01) were significantly increased after isoflavone concentration. In conclusion, isoflavone supplementation was not effective to modify risk factors for cardiovascular disease.
인슐린의존형 당뇨병환자에서 임신중 병발한 당뇨병성 케톤산증 1예
이성근,신영구,이성규,정윤석,이관우,김현만,김행수 아주대학교 1997 아주의학 Vol.2 No.2
저자등은 인슐린의존형 당뇨병환자에서 임신중에 병발한 당뇨병성 케톤산증을 1예를 경험하였기에 문헌고찰과 함께 보고하는 바이다. IDDM is an autoimmune disease resulted from beta cell destruction and insulin deficiency, and developed mostly in children and puberty. Ketoaddosis remains one of the most senous complications that can occur in the pregnant diabetic. A 26-year-old woman, gravida 1, para 0, was admitted at 32 weeks gestation because of fever lasted for 6 days. She had been treated with insulin pump during the pregnancy. Blood sugar was well controlled before admission, and the etiology of her ketoacidosis was urinary tract infection and no insulin-intake. DKA was treated with fluids and intravenous insulin. Urinary tract infection was treated with antibiotics, based on culture test. Healthy newbom was later delivered by cesarean section due to fetal distress. We experienced a case of DKA in pregnant woman and report it with a review on literature.
이행우,신광철 남서울대학교 2005 남서울대학교 논문집 Vol.11 No.2
PKI core basic architecture for securing informations have to minimize client's burden to generations of authentication paths. Also, It must be solved the lack of timing and managements in the CRL, inter-operations among PKI domains according to its environment. To remove problems in the existing PKI, the validation server solves problems of timing for validating authentications and CRL using OCSP, supports inter-operation of PKIs, arid manages the authentication strategy of inter-domain. This paper proposes fast and effective the generation method of authentication path in the validation server. Because it generates previously and saves the authentication path, it can give the authentication path fast on requiring a validation. With saving the used path, it provides effective the authentication path by reusing the saved path.
오프라인 프로그래밍을 이용한 스카라 로봇의 비쥬얼 피드백 제어
신행봉,이우송,이현철,한성현 한국공작기계학회 2004 한국공작기계학회 춘계학술대회논문집 Vol.2004 No.-
The equipment of industrial robot in manufacturing and assembly lines has rapidly increased. In order to achieve high productivity and flexibility, it becomes very important to develop the visual feedback control system with Off-Line Programming System(OLPS). We can save much efforts and time in adjusting robots to newly defined workcells by using OLPS. A proposed visual calibration scheme is based on position-based visual feedback. The calibration program firstly generates predicted images of objects in an assumed end-effector position. The process to generate predicted images consists of projection to screen-coordinates, visible range test, and construction of simple silhouette figures. Then, camera images acquired are compared with predicted ones for updating position and orientation data. Computation of error is very simple because the scheme is based on perspective projection, which can be also expanded to experimental results. Computation time can be extremely reduced because the proposed method does not require the precise calculation of tree-dimensional object data and image Jacobian.
精密測定 計器用 Stainless Steel의 加工과 熱處理에 따른 諸性質의 變化
李宗炫,安辛根,金學信 全北大學校 1988 論文集 Vol.30 No.-
In order to study the change of properties in Fe-13.3% Cr-0.37%C martensitic stainless steel for precision measuring gauge with the various heat treatments and plastic working, the change of micostructure, hardness and wear resistance were investigated. The results obtained in this experiment are as follows: 1. The high Cr alloy of 13% Cr martensitic stainless steel has selfhardening property which is not remarkably affected by the cooling rate, and also the hardness of this alloy was the highest value in the case of oil quenching after austenitized at 1000℃ for 1/3 hour. 2. The hardness and the corrosion resistance of low temperature tempering treatment are superior to high temperature tempering, especially the hardness of 200℃×2hr tempering treatment are superior to high temperature tempering, especially the hardness of 200℃×2hr tempering treatment in the case of air cooling after austenitized at 1050℃ for 1/3 hour is excellent. 3. The amount of retained austenite hardly existed in the case of air cooling after austenitized at 1000℃ for 1/3 hour, and the increase of hardeness with subzero-treatment is very small. 4. The property of hot working is good but the property of cold working is poor. And then, the secondary hardening with reheating treatment appeared at 400~450℃. 5. Bainite trasformation was occurred in the isothermal heat treatment, and the hardness and the wear resistnace of marquenching treatment are higher than martempering treatment. 6. The elevation of the wear resistance is proportional to the increase of the hardness obtained from the various heat treatments, especially the wear resistance of 200℃×2hr tempering treatment after air cooling is effective than after oil quenching and the wear mechanism is mainly a grinding abrasion.
보육과 현장중심 교육과정 개발 : DACUM법을 중심으로 Based on the DACUM Method
김정신,노은호,이행숙,정해은,조희진 한국영유아보육학회 2004 한국영유아보육학 Vol.0 No.36
The quality of childhood educare teacher is the most important element in evaluation of the quality of childhood educare. However, the current curricula for the childhood educare in colleges are operated individually without a standard curriculum and there are many problems in the certification system of childhood educare teacher. So, it is hard to discuss about the specialty of the childhood educare teachers. Hence, an immediate development of a standard curriculum which fully reflect the needs of the field is necessary to meet the demand of the times and to enhance the quality of childhood educare service by producing qualified teachers. To fulfill the aforementioned needs, the procedure of the DACUM Method which is useful in developing vocational training course is used in this study. And based on the results, a field centered curriculum of the Dept. Child Care and Education is developed by the job analysis of the childhood educare teachers and by collecting the needs of the field. Educare planning and activities, development and evaluation of the educare program, consultation and education of the family, utilization of the regional resources, and after-class guidance of the children were found to be the principal jobs of the childhood educare teachers.