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이용수,김정근,김정석 한국보건통계학회 1983 한국보건정보통계학회지 Vol.8 No.1
Activities of MCH require efficient information system for better planning, organization, Monitoring and evaluation of services and for determining such factors as acceptability, utilization and accessibility. The information system for MCH is composed of sub-systems corresponding to each component of MCH activities. Despite the rapid progress in some aspects of MCH activities such as family planning, the most important component of services has not been developed in this country. The biological characteristic of the population is the one component not given attention to the governmental effort. As to the causes of infant mortality, infectious disease has been decreasing steadily, while rate of congenital malformations rises by the year. The prevention of various disabilities and handicaps including congenital malformations is, therefore, a vital component to the development of a better health service. In this paper, an effort is made in terms of the development of information systems for taking preventive measures to decrease disabilities and handicaps. A health examination system for pregnant women, infants, and pre-school children, a surveillance system for congenital malformation, a genetic counselling system, and the mass-screening examination for inborn errors of metabolism has been examined. Also, several functional modules and MCH information sub-systems have been established for practical use in the future.
FDM 방식 3D 프린팅을 위한 CAD 프로그램(마야, 스컬프트리스, 메쉬믹서)의 효과적인 활용 연구
이용수 한국일러스트레이션학회 2016 일러스트레이션 포럼 Vol.17 No.47
본 논문은 마야 유저로서의 본 연구자가 3D 프린팅을 위해 자유롭게 3D 모델 콘텐츠를 제작하면서 터득하게 된 기술적 노하우를 공유하고자 하는 의도에서 기획된 보고논문이다. 급속한 보급화를 이룰 것으로 기대되고 있는 FDM 방식 3D 프린터에서 3D 모델링 콘텐츠들은 본 연구자의 경험상 출력이 용이하지 않다. 왜냐하면 무료로 제공되는 슬라이서 프로그램의 기술적 결함으로 인해, 어떤 콘텐츠에 대해서는 일반인들이 출력을 할 수 없기 때문이다. 사실상, FDM 방식 3D 프린터의 출력 성공률은 매우 낮아서 일반인들에게 3D 프린터는 필요가 없는 것이 될 수도 있다. 그래서 본 논문은 궁극적으로 3D 프린팅 분야의 건실한 발전을 위해서 사용자가 직접적으로 3D 관련 CAD 프로그램을 운용할 것을 제안한다. 3D 맥스나 마야는 일반인들이 배우기에는 너무 어려운 전문적 3D CAD(Computer Aided Design) 프로그램이었다. 하지만 그런 전문적인 프로그램이 단지 3D 프린팅을 목적에만 국한된다면, 콘텐츠의 제작 및 출력을 위해 사용자가 배워야 하는 범위는 대폭 줄어들게 된다. 본 연구자는 마야를 중심으로 주변 기본 프로그램(스컬프트리스와 메쉬믹서)을 어떻게 활용하면 좋은지에 대한 개인적 경험과 노하우를 소개함으로써, 일반 소비자가 3D 프린팅에 좀 더 관심을 갖고 원활하게 활용하도록 하는 일에 보탬이 되고자 한다. This paper is a project thesis which has purpose that I like to introduce technical know-how regarding 3D printing, producing several 3D modeling contents. In FDM printer expected as a main technology for rapid propagation, 3D modeling contents yet to be good to be printed, in my experience. Because of technical flaws of slicer programs which are provided to 3D printer users for free, particular contents become useless to be printed for general users. Actually, success of printing in FDM printers cannot be warranted. Therefore, I suggest that printer users treat directly 3D CAD(Computer Aided Design) program for desirable development of the 3D printing field. 3D Max or Maya have been very difficult, professional 3D design tools to people operate. However, if purpose of these tool is confined to 3d printing, their usage gets to be very simple because we need only modeling technology. By introducing my personal experience and know-how about how to use peripheral programs(Sulptris and MeshMixer) focusing on Maya, I like to give a little help to our job that makes consumers better get involve and utilize 3D priting.
비소와 철 동시제거를 위한 Fe-GAC와 GAC로 충진된 컬럼
이용수,도시현,홍성호 대한상하수도학회 2016 상하수도학회지 Vol.30 No.1
First of all, Fe or/and Mn immobilized granular activated carbons (Fe-GAC, Mn-GAC, (Fe, Mn)-GAC) were synthesized and tested to remove arsenate (As(V)). The results in batch test indicated that Fe-GAC removed As(V) effectively, even though the surface area of Fe-GAC was reduced largely. Moreover, adsorption isotherm test indicated that the experimental data fit well with Langmuir model and the maximum adsorption capacity (qmax) of Fe-GAC for As(V) was 3.49 mg g-1, which was higher than GAC (2.24 mg g-1). In column test, the simulated water, which consisted of As(V), Fe(III), Mn(II) and Ca(II) in tap water, was used. Fe-GAC column with 1 hr of pre-washing time treated As(V) effectively while GAC column removed Fe(III) better than Fe-GAC column. Moreover, the increasing pre-washing time from 1 to 9 hour in Fe-GAC column enhanced Fe(III) removal with little negative impact of As(V) removal. Mostly, the column filled with Fe-GAC and GAC (i.e. the mass ratio of Fe-GAC:GAC = 2:8) showed the higher treatability of both As(V) and Fe(III), even it operated with 1 hr pre-washing time.