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이상락 대구보건대학 2001 대구보건대학 論文集 Vol.21 No.-
The improvement of a living standard as the result of economy growth along with overpopulation in metropolis has generated various forms of food waste. Restaurants and households are considered the main cause for the problem. The food waste engenders many headaches like the waste of food resource and the conflict of waste processing. The government felt a limitation to the reclamation in this small land, and 40% of food waste out of all the wastes brought out a sediment and nasty smell. therefore, the government announced a policy that calls for no reclamation without managing food waste in advance. In response to this flow of change, Daegu city needs to do as follow : 1. Establish plans to make food waste resourceful. 2. Seek the objectives and ways of accomplishment for the utility of food waste. 3. Recycle food waste systematically. 4. Use food waste as fodder, manure, and byproduct. The problem of food waste can not be solved by government only. Government and academic circles should make an effort to develop technologies for the better use of food waste, and people should help government to work out its policy. No matter how we work hard, we can not reduce food waste completely and make it 100% resourceful. After all, in reclaiming or incinerating the understanding of people and a group of civil organizations is required.
텍스쳐 매핑과 파티클 시스템을 이용한 눈 내리는 전경의 애니메이션
이상락 한국게임학회 2003 한국게임학회 논문지 Vol.3 No.1
본 논문에서는 텍스쳐 매핑과 파티클 시스템을 이용하여, 눈 내리는 장면의 애니매이션을 OpenGL로 구현하는 두가지 방법을 제시하고 이들의 실행 결과를 비교 분석하였다. 하나는 glPointSize()함수를 사용하는 것이고 또 다른 하나는 glutSolidSphere()함수를 사용하는 것이다. 실행 결과 전자가 후자보다 실행 결과가 빨라서 속도가 느린 PC나 내리는 눈의 개체 수가 많은 경우에 사용하기에 더 적절한 방법이라 생각된다. 또 전자의 방법을 이용한 구현 과정에서 눈의 모앙과 눈의 색깔의 제어가 서로 상충되는 사실을 발견하고 이미지를 조작하여 그것을 해결하는 방법을 제시한다. This paper deals with animation of snowy scenery using texture mapping and particle system. Two different OpenGL programs were prepared and compared for implementation and evaluation of their performance. One used glPointSize(), and the other used glut SoildSphere(). Result of implementation revealed that the first was faster than the second. So the first is considered to be more useful for the slow PC. In relation to the first method, I found that control of shape of snow flake conflicts with that of color. Fortunately, I found out an esoteric method which handles the back ground image for scene that is used in texture mapping, I present that method.
이상락,박명호 대구보건대학 2002 대구보건대학 論文集 Vol.22 No.-
Dental prosthetic restoration shows a big difference of cost per itemized unit depending on the size of dental labs, facility standard, manpower, and performance. Even the same dental labs have distinctive cost according to manufacturing performance, inflation, and the number of workers. However, in spite of such a change of circumstances, it appears to be quite stable in the relative cost per itemized unit unless the manufacturing trend of particular item changes dramatically. Therefore, if the relative number of cost per itemized unit, which is produced by costing, is indicated, we are able to utilize it effectively as a standard wage estimate. If the wage of dental prosthetic restoration is determined on the basis of cost, it is desirable that the relative value of cost and that of wage are identical. But, by means of comparative analysis, since the relative value of wage reveals mostly lower than that of cost depending on an item, it is considered that the wage is not reflecting the cost appropriately. Due to the subdivision and the profession of medical technology, the new development of wage items for dental prosthetic restoration is required. This means that the need for the establishment of new wage items should be presented as the general concept of dental prosthetic restoration changes and the level of pathologic technology increases. The current wage structure has differences in the degree of difficulty according to unit items and in the cost factors. Nevertheless, the differences are not reflected enough to the wage, so there is a potential to lower the medical quality through the use of low-price materials to avoid the increase of cost and the work process which skips a manufacturing step. The new items of dental prosthetic restoration also increases, but the development of proper numerical value system is not supported. Thus, the right price is set mostly by applying to the wage of a similar item. Since most wages are established by an individual agreement between the dental clinic institute and the dental labs, the propriety of wage level lacks. Therefore, it is urgent to provide and promote the system of a fair work charge by a standard cost which can be applied to all medical institute.
이상락 대한소아청소년과학회 2006 Clinical and Experimental Pediatrics (CEP) Vol.49 No.1
Jaundice is one of the most common gastrointestinal conditions found in neonatal period, and most jaundice is benign. But because of the possibility of bilirubin toxicity, every newborn infants must be examined to identify the development of severe hyperbilirubinemia. To prevent the development of severe hyperbilirubinemia, promote and support successful breast-feeding, perform a systemic assessment before discharge for the risk of severe hyperbilirubinemia, provide early and close follow-up program, and treat with phototherapy or exchange transfusion or other therapeutic modalities, if indicated, are recommended.