Ⅰ. X선(엑스선)회절실험 소개
1912년 X-선의 파장을 측정하는 방법이 개발되었다. 회절을 이용한 측정법이 가장 이상적인 것으로 생각되었으나 만족할 만한 결과를 얻기 위해서는 회절격자의 인접선 사이의 간격이 빛의 파장과 거의 같아야 하며, 이와 같이 X-선의 파장에 대응되는 좁은 간격의 회절격
1. Topic
This time we are going to research the safety management and improvement in small scale one room construction. According to the current situation we need to reduce our research scope. So we are focusing in the vicinity of Kyunghee Univ. and Hankuk Univ. of Foreign Studies.
2. Problem statement
2-1. Construction’s needs and industrial accident
2-1-1.
New one-room construct
■ Objectives of Defense-in-Depth
• To compensate for potential human and component
failures
• To maintain the effectiveness of the barriers by averting
damage to the facilities and to the barriers themselves
• To protect the public and the environment from harm in
the event that those barriers are not fully effective
■ Strategy of
Airport management, in common with others involved in the operation of elements of the civil air transportation system, are required to take measures that will provide a high level of protection of buildings and equipment (including aircraft), in addition to ensuring the safety and personal security of passengers and staff using the system. This must be done in manner that disturbs the normal ope