Dynamic Safety Management on the Key Equipment of Coal Gasification Based on Dbt-Dbn Method

Table 2

Weighting criteria of different experts.

Nature attribute	Classification	Score
Experience time (ET)	≥30 years	5
	20 to 29 years	4
	10 to 19 years	3
	6 to 9 years	2
	≤5 years	1
Education level (EL)	Doctorate	5
	Master’s degree	4
	Bachelor’s degree	3
	Junior college	2
	School leaver	1
Professional position (PP)	Chief engineer/Senior academic	5
	Manager	4
	Engineer/Junior academic	3
	Technician	2
	Operator	1