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      • KCI등재후보

        중증 태변 흡인 증후군에서 폐표면 활성제 치료

        이상락,김천수 대한신생아학회 2013 Neonatal medicine Vol.20 No.3

        Meconium is a strong inactivator of pulmonary surfactant. The deficiency of surfactant or surfactant dysfunction may contribute to respiratory failure in a wide group of disorders, including meconium aspiration syndrome (MAS). We reviewed the effect of pulmonary surfactant therapy for severe MAS in ours as well as other countries. In general, surfactant therapy improves pulmonary oxygenation (oxygenation index or arterial/alveolar oxygen tension) and reduces the requirement for ventilation, and oxygen supplementation or hospitalization time. However,its effects on mortality and pulmonary or extrapulmonary complications are variable. In Korean studies, outborn infants are five times more common than inborn infants; therefore, the initial hospital care at delivery including adequate tracheal suctioning is important to improve the outcome of patients with severe MAS. To confirm the effect of surfactant therapy in MAS, additional well-designed,multicenter, randomized, controlled trials are needed. In addition, determining the optimal type of surfactant therapy (bolus, lavage, or combined) and the appropriate dose and duration of therapy is important.

      • 쓰레기 從量制 政策의 分析과 評價

        이상락 대구보건대학 2000 대구보건대학 論文集 Vol.20 No.-

        This thesis is to analyze and assess a new refuse collection system that was based on the term of discharge based quantity and collection of refuse from the beginning on January 1. 1995. In the case study for the refuse collection policy of metropolitan Taegu city based on the year of operation, ie, before 1994, after 1995 and as of 1998. the refuse collection policy analyzed from current position and actual condition. The results of analysis as follows. In case of discharged refuse quantity was show 20.4% reduction than the operation was begun and more 5.8% reduction as of 1998. Under the operation of the refuse collection system, therefore, management of refuse and garbage, the reduction of discharged refuse, activation of refuse collection, Recycling and expansion of financial self-reliance increased efficiency of refuse collection system. In the conclusion, more perfect refuse collection system should be developed of implemented in the near future.

      • KCI등재

        우편 집배업무 부하 산정 모델 연구

        이상락,박문성,차춘남,심정택,차병철 대한산업공학회 2012 산업공학 Vol.25 No.2

        In the postal delivery service, both the standardization of business process and the workload measurement is very important part of saving the cost and improving the efficiency. However, these are not easy to apply to real situation because of the labor-intensive and diversification of delivery environment. In this study, we develop the methodology for the standardization of business process and workload measurement model of the postal delivery service. Firstly, we introduce the work factor analysis on the postal delivery process. Then, we propose the methodology workload measurement model based on diversification of delivery environment.

      • 음식물쓰레기의 자원화 방안

        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.

      • KCI등재

        신생아황달

        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.

      • 齒科技工物 製作原價의 調査分析

        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.

      • YOLO 인공지능 플랫폼을 이용한 이상행동 감시 시스템

        이상락(Sang-Rak Lee),손병수(Byeong-Su Son),박준호(Jun-Ho Park),최병윤(Byeong-Yoon Choi) 한국정보통신학회 2021 한국정보통신학회 종합학술대회 논문집 Vol.25 No.1

        본 논문에서는 YOLO 인공 지능 플랫폼을 이용하는 이상행동 감시 시스템을 구현하였으며, YOLO 시스템의 one-shot 감지 시스템 사용으로 기존 감시 시스템에 비해 우수한 응답 특성을 갖는다. YOLO 인공 플랫폼은 폭행, 절도, 방화와 같은 이상행동들로 구성된 이미지 세트로 학습되었다. 이상행동 감시 시스템은 서버와 클라이언트로 구성되어 있으며, 상용화될 경우 각종 범죄 문제를 풀기 위해 스마트시티에 적용이 가능하다. In this paper, abnormal behavior monitoring system using YOLO AI platform was implemented and had superior response characteristics compared to the conventional monitoring system using two-shot detection by using one-shot detection of YOLO system. The YOLO platform was trained using image dataset composed of abnormal behaviors such as assault, theft, and arson. The abnormal behavior monitoring system consists of client and server and can be applicable to smart cities to solve various crime problems if it is commercialized.

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