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정유경 ( Y. -k. Jung ),김병훈 ( B. Kim ),허화진 ( H. Heo ),유병태 ( B. Yoo ),신창현 ( C. Sin ),윤이 ( Y. Yoon ),윤준헌 ( J. Yoon ),마병철 ( B. Ma ) 한국안전학회 2017 한국안전학회지 Vol.32 No.2
One of the most important elements of the management of chemical accident is threat zone estimation of fires, explosions and toxic gas dispersion based on chemical releases. The threat zone estimation is going to be standard of emergency response for the first defender and base line data of off-site risk assesment (hereinafter referred to as “ORA”) and risk management plan (hereinafter referred to as “RMP”). Generally, ALOHA form EPA(U.S.) and Kora(from KOREA MINISTRY OF ENVIRONMENT) has been used for the off-site consequence analysis in Korea. However it is hard to predict accurate consequences rapidly in case of emergency. Hydrochloric acid is a multipurpose raw material used in many industrial applications such as chemical, metal and food industries . It is usually treated in concentrations from 10 ~ 35 %, and release accident have occurred frequently. In this study, we have developed a simplified estimating method and equation to calculate threat zone easily in case of emergency due to release accident of hydrochloric acid.
산전초음파로 발견된 양측성 선천성 낭종성 선종양 폐기형 1 례
김용걸(Y . G . Kim),박성훈(S . H . Park),최상준(S . J . Choi),손대언(D . Y . Son),송창훈(C . H . Song),정혁(H . Jung),정유경(Y . G . Jung),임성철(S . C . Lim) 대한산부인과학회 1999 Obstetrics & Gynecology Science Vol.42 No.2
Gmgenital cystic adenomatoid malfmation of the lung(CCAML) is a rare abnormality of embryonic diffaentiation characterized by the replacement of narmal pulmonary tissue with cysts in variable size and number. We experienced a case of bilateral Type III CCAML in neonates of 23 years old pregnant woman, which was detected sonographically at 22weeks of gestation.