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자기반응성물질의 성상판정방법에 대한 국내‧외 기준의 비교 연구
김인범(In-Beom Kim),현성호(Seong-Ho Hyun),이용재(Yong-Jae Lee) 한국위험물학회 2021 한국위험물학회지 Vol.9 No.2
This study compares the class-5 hazardous substances characteristics assessment method, domestically enforced according to the Safety Control of Dangerous Substances Act, with that of Japanese method, using categorization system of dangerous substances similar to domestic method, and assessment method mentioned in UN RTDG(Recommendations on the Transport of Dangerous Goods) to examine the difference in the assessment method and to reconsider points of improvements for domestic hazardous substances characteristics assessment method. As a result, domestic pressure vessel tests were conducted on three types of orifices of 0.6mm, 1.0mm, and 9.0mm. However, in Japan, test on 0.6mm orifices included in Korea is not included, and the designated quantity was determined to be 10kg and 100kg. In the case of UN RTDG, the diameter of the orifice used ranges from 1.0 mm to 24.0 mm, and the risk of substances was classified according to the experiment results based on the damage on the disk. Therefore, there is a possibility that substances determined as non-risk substances may be defined as dangerous substances by a 0.6mm domestic test, so it is necessary to review international standards more closely and apply them domestically.
In vivo Study on the Japanese Encephalitis
김인범(In-Beom Kim),채수림(Soo-Lim Chae),최우영(Woo-Young Choi),박찬(Chan Park),주영란(Young-Ran Joo),조해월(Hae-Wol Cho),박근용(Keun-Yong Park) 대한해부학회 2003 Anatomy & Cell Biology Vol.36 No.5
일본뇌염은 일본뇌염바이러스의 감염에 의해 야기되는 치명적인 중추신경 질환으로서, 동아시아 지역에서 발생하는 뇌 염 중 가장 흔한 형태이다. 본 연구는 일본뇌염의 in vivo 모델을 확립하고 이의 특성을 밝히고자 생후 4주된 생쥐에 일본뇌염바이러스를 복강 내 로 주사한 후 면역조직화학법으로 생쥐 뇌의 바이러스 분포를 조사하였고, 또한 조직병리양상을 관찰하였다. 일본뇌염바 이러스는 뇌의 특정 부분에 존재하는 신경세포에 위치하였고, 조직병리소견은 뇌실질 내에 염증세포침윤 및 단핵구의 혈 관주위 커프현상과 같은 전형적인 급성 바이러스성 뇌염의 양상을 보였다. 이러한 결과는 이 in vivo 모델이 일본뇌염바이러스의 뇌로의 유입기전, 특정세포친화성 및 일본뇌염의 병태생리를 연구하는데 유용하게 사용될 수 있음을 시사한다. Japanese encephalitis is a potentially lethal disease of the central nervous system caused by infection with Japanese encephalitis virus (JEV). JEV is the most common cause of encephalitis over a large part of eastern Asia. To establish and characterize in vivo model to study the Japanese encephalitis, the immunohistochemical localization of JEV and the histopathological finding were investigated in the brains of young adult mice infected with JEV by intraperitoneal inoculation. JEV was localized to neurons in discrete regions of the brain. Histopathological finding showed typical pattern of acute viral encephalitis, such as inflammatory cell infiltration in brain parenchyme and perivascular cuffs of mononuclear cells. These results suggest that this in vivo system can be used to study the mechanism of virus entry into the brain, cell specific tropism, and pathophysiology in Japanese encephalitis.
김인범(Kim, In-Beom),현성호(Hyun, Seong-Ho) 한국화재소방학회 2008 한국화재소방학회 학술대회 논문집 Vol.2008 No.추계
This study was carried out to investigate the flame retardant characteristics of wood finished with painting by followed in exposure conditions and flame retardant application method. According to painting types and flame retardant application methods salting occurrences undergoing an influence about the wood finished painting, confirmed. And influence to flame retardant characteristics of exposure condition on large scale not to be and occurrence quantity of the combustion gas undergone and influence In application method of flame trtardant.
김인범 ( In Beom Kim ) 한국화학공학회 2014 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.52 No.2
건축물 내부의 장식을 위해 사용되는 MDF합판은 화염의 착화를 지연시키기 위해 방염처리하도록 규정하고 있어일반적으로 방염도료나 방염액 또는 방염필름 등을 적용하여 착화를 지연시키는데 이 때 적용하는 시료에 따라 방염성능과 연소 시 발생되는 가스의 유독성의 차이가 발생할 수 있어 본 연구에서는 MDF에 적용된 방염시료들의 방염성능 및 연소특성에 대해 비교분석하였으며 그 결과 방염성능에 부합하는 제품이 확인되었으나 방염처리방법에 따라방염성능의 차이가 존재함을 확인할 수 있었으며 연소과정에서 발생되어지는 여러 종류의 유독가스의 영향도 함께 고려해야 할 요소임을 확인할 수 있었다. Interior of the building is used as a MDF plywood if there is a fire in order to delay the ignition, flame retardant paint, flame retardant solution and flame retardant film are being handled by the flame retardant. Combustion characteristics anf flame retardant performance results can be summarized as follows: General film with a sample showed that short of the criteria in terms of carbonation area, and the results of flame retardant paint, flame retardant solution and flame retardant film products satisfied the criteria. Toxic gases generated in the combustion process resultsin a film samples using a high incidence of carbon monoxide and the creation of a smoke could be seen. This confirm that is estimated that result from incomplete combustion of PVC film that attach, and displays high toxicity index and hazard class relatively.
김인범(Kim, In-Beom),차정민(Cha, Jeong-Min),현성호(Hyun, Seong-Ho) 한국화재소방학회 2012 한국화재소방학회 학술대회 논문집 Vol.2012 No.춘계
본 연구는 일상적으로 사용되고 있는 목재류와 섬유 및 플라스틱 등의 방염처리방법 중에서 목재와 같은 방염처리대상물을 방염화하는 방법으로 사용되고 있는 방염선처리 공정을 기준으로 하여 내장재 및 다양한 목재 활용제품에 대해 판매자가 사전에 방염처리를 진행할 수 있는 방염처리장치의 개발과 이를 활용한 제품의 방염성능 확인에 대한 결과를 설명하고 있으며 현장에서의 요구에 맞도록 설계된 장치를 통해 제품의 방염성능이 개선됨을 확인할 수 있었다.
압력용기시험방법에 따른 제5류 위험물의 지정수량 판정방법의 개선에 관한 연구
김인범(In-Beom Kim),현성호(Seong-Ho Hyun),이용재(Yong-Jae Lee) 한국위험물학회 2021 한국위험물학회지 Vol.9 No.1
In this study, a test is conducted to determine the properties of pressure vessels for 10 types of hazardous substances on the market under Article 21 of the Detailed Standards on Hazardous Substance Safety Management (Hydrolysis Criteria, etc.) and examine the appropriateness of the current quantity judgment based on the results. A thermal decomposition test was conducted on 10 types of hazardous substances of Class-5 used and distributed at industrial sites and compared with the designated quantity according to the nomenclature. According to the result, the designated quantity according to the nomenclature and the specified quantity by the pressure vessel test results did not align for some substances. This confirms the current method of determining the designated quantity for Class 5 hazardous substances under the Safety Control of Dangerous Substances Act according to the nomenclature is inadequate. Therefore, it was confirmed that it was appropriate to determine the designated quantity and riskiness for Class 5 hazardous substances based on the results of the test conducted according to the pressure vessel test method, etc., rather than the basis the nomenclature.