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임현웅 ( Lim Hyun-ung ),김헌태 ( Kim Heon-tae ),권오한 ( Gwon Oh-han ),이상수 ( Lee Sang-soo ) 한국건축시공학회 2016 한국건축시공학회 학술발표대회 논문집 Vol.16 No.2
This study is a absorbing Radon gas to occur indoor or outdoor. As a absorbent Radon gas, making cementless abso rbent matrix that accomplish experiment. In other to accomplish this experiment, Confirming Radon gas release ratio and accurating absorption, reduction of a half-life that 3,8 days from Radon gas source, we need to decide Radon absorbent experiment method. So, we accomplish to find Radon measurement method considering properties and a half-life that 3,8 days from Radon gas source. As the experimental factors, After stabilizing of Radon gas source and so on, we accomplish the experiment that is there or not and seal of Radon source.
임현웅 ( Hyun-woong Lim ),강재우 ( Jae-woo Kang ) 한국정보처리학회 2008 한국정보처리학회 학술대회논문집 Vol.15 No.1
본 논문에서는 의료기관내 이기종 시스템(OCS, PACS, EMR 등) 및 외부 기관(타 의료기관, 정부기관 등)과의 원활한 의료정보 공유를 위한 Framework 을 제시하고자 한다. 의료기관 내/외부의 이질적인 Legacy System 간의 자료 교환을 위하여 현재 범용적으로 사용되는 HL7 Messaging standards 를 기반으로 정보를 생성 공유하게 한다. 또한, HL7 Message 생성시 표현기법이 다른 데이터들을 HL7 표준에 해당하는 데이터로 자동 변환시킬 수 있는 방안을 제시하고, 이렇게 모인 의료정보를 다기종 Platform(PC, Mobile phone 등)에서 효율적인 접근을 위한 모델도 함께 제시한다.
버미큘라이트 및 레드머드를 활용한 산화마그네슘 경화체의 공극 특성
임현웅 ( Lim Hyun-ung ),이원규 ( Lee Won-gyu ),이상수 ( Lee Sang-soo ),송하영 ( Song Ha-young ) 한국건축시공학회 2018 한국건축시공학회 학술발표대회 논문집 Vol.18 No.2
Radon is one of the substances that pollute the indoor air and is classified as a first-level carcinogen by the International Agency for Research on Cancer(IARC) together with asbestos, and it is reported that it can cause lung cancer. The World Health Organization(WHO) reports that lung cancer is the second leading cause of lung cancer, and 6-15% of lung cancer patients report lung cancer caused by radon. Radon occurs in cracks in concrete and aged buildings, and is detected in soil, rocks, groundwater, and so on. It is a colorless, odorless and tasteless gas which is adsorbed to dust in the air and enters through human respiratory system. This study used vermiculite (expanded vermiculite), which has excellent ion exchange ability and a large number of pores, and industrial by - product red mud which has heavy metal adsorption ability, in order to adsorb radon. A matrix capable of adsorbing radon was prepared, and the characteristics of each material were compared and analyzed.
버미큘라이트 및 안트라사이트를 활용한 산화마그네슘 경화체의 열전도율 특성
임현웅 ( Lim Hyun-ung ),권오한 ( Gwon Oh-han ),편수정 ( Pyeon Su-jung ),이동훈 ( Lim Gguk-jeong ),이상수 ( Lee Sang-soo ) 한국건축시공학회 2017 한국건축시공학회 학술발표대회 논문집 Vol.17 No.1
The study conducted a thermal conductivity test of magnesium oxide to manufacture boards using absorbent to produce board of radon gas molecules that are absorbed into the indoor air pollutants, which are currently in question, among other indoor air pollutants. Using material are the vermiculite and anthracite, in case of the vermiculite, which results in large porosity due to the expansion, in case of the anthracite, which characteristic generates pore on the matrix. As a result of the experiment, the lowest value was given to 0.6161 kcal/mh℃ which adding vermiculite 10% and anthracite 40%. However, adding vermiculite 40% and anthracite 10%, slightly higher 0.7229 kcal/mh℃, it is deemed the anthracite has more porosity than the vermiculite and, it judged that pore occurrence during the mixing process, appeared that the heat conductivity go down.
편수정 ( Pyeon Su-jeong ),임현웅 ( Lim Hyun-ung ),이상수 ( Lee Sang-soo ) 한국건축시공학회 2018 한국건축시공학회 학술발표대회 논문집 Vol.18 No.1
Recently, as the interest of the government and the public on energy saving has increased, the airtightness of buildings has been improved to improve the insulation performance of buildings. However, indoor air pollution due to increase of pollution source in indoor space and lack of ventilation is increasing and interest in indoor air quality is increasing. In 2003, the Ministry of Environment enacted and promulgated the Act on Indoor Air Quality Control in Multi-use Facilities. Radon is a naturally occurring radioactive inert gas with colorless, tasteless and odorless nature. The concentration is high in a room where radon can not escape. Although lononggas is naturally occurring, it is not interested in living environment, but it is easily inhaled through human body through respiration and causes lung cancer in long-term exposure. Therefore, this study intends to carry out an experiment for the reduction of radon gas, which is the first carcinogen in indoor air pollution sources.
권오한 ( Gwon Oh-han ),임현웅 ( Lim Hyun-ung ),이상수 ( Lee Sang-soo ) 한국건축시공학회 2017 한국건축시공학회지 Vol.17 No.1
라돈은 토양이나 암석, 지하수 안에서 우라늄(U-238)이 핵분열 할 때 발생하는 무색, 무취, 무미의 반응성이 거의 없는 비활성 단원자 분자 기체로 반감기 동안 연쇄적으로 붕괴하는데 이때 방사성 핵종(Bi, Po, Pb)이 만들어 지며 이를 자손핵종이라 한다. 이는 공기 중의 먼지 등에 흡착하여 사람이 호흡할시 폐에 흡착하여 붕괴하는데 여기서 발생하는 알파선에 장기간 피폭하면 폐암을 유발하는 것으로 밝혀졌다. 이에 따라 실내공기질에 관한 기준과 연구가 지속적으로 시행되고 있는 실정이다. 본 연구는 실내 라돈가스를 최소화 하고 저감하기 위한 무시멘트계 흡착재를 연구개발 하기위한 기초실험으로 흡착재의 첨가량에 따라 유동성 및 강도는 저하되는 경향을 보였지만, 이는 흡착재의 밀도 및 공극에 의한 것으로 판단되며, 라돈가스 농도의 경우 첨가량증가에 따라 감소하는 경향을 보였다. 향후 가장 적합한 흡착재를 활용하여 보다 세밀하고 다양한 실험이 이루어져야 할 것으로 판단되며, 경화체상의 기초실험을 통해 추후 건축마감재에 관한 실험도 이루어져야 할 것이다. WHO reported that millions of people die every year because of diseases induced from environmental pollution. In 2012, approximately 7 million people were killed due to air pollution. Major cause of such pollution includes toxin, chemical waste, radiation and air pollution. Therefore, the significance and interest to indoor air quality has been continuously increased . Especially, the interest in radon, the ARC group 1 carcinogen, is rapidly increasing, and banning the use of construction materials that release radon, repairing aged buildings, and developing ventilators. To reduce the level of radon gas was inflowed to indoors and outdoors, this study is to research and develop a radon gas absorption board using absorbents. The absorbents utilized to absorb the radon gas were porous diatomite, natural zeolite, 4A zeolite and 13X zeolite and employed bentonite and illite, montmorillonites with the property of exchanging anions. As the main binder, magnesium oxide was used, with a content of 25% magnesium chloride.