The deteriorationmechanism of the tuyere coke and the relationship between the tuyere coke property and the BF operation were discussed.
探讨了风口焦炭劣化机理，风口焦炭性状与高炉操作的关系。
2
In this paper the deteriorationmechanism by freeze-thaw cycling, the test methods about frost resistance, appraising parameters of concrete and the influencing factors mainly were represented.
In this paper, many aspects about deicing salt scaling were investigated, such as its characteristics, physical and chemical mechanism and many influences on the mechanism of deterioration.