With Chemical industry and highway development in China,toumaline transportation accidents often happen,lead to great economic loss and harmful social influence.

This thesis selected the road transportation accidents of dangerous goods ,which complexity is higher and has serious environment influence ,as a representative, to explore the laws and the early-warning mechanism of transport accidents.

Analysis on structure and problem of emergency response plan for major accidents in mines;

Improved quantitative risk-assessment method for major accidents of LNG gas station;

Study on evaluating technology of major accident emergency plans

The definitions of major accident and major hazard installations are expounded,and the necessity of effective controlling of major hazard installations is discussed in this paper.

Next, it summarized the universal problems coexisting in petrochemical works' emergency plans from a few typical and major accident cases and provided the solutions to these problems.

According to the"Twenty-five key requirements to prevent serious accident and failure in electric power operation"issued by State Power Company and combined with the operating conditions of Jiangsu power network,th e"Technical countermeasures against accidents of relay protection and secure automechanism"is compiled.

Basic respond principle and procedure of the major incident;