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In recent years, the mine disaster has occurred, the families of the victims into grief, has also made it in a very embarrassing situation caused a lot of social problems, has seriously constrained the further economic development. So for mine safety research become today an important subject in dis

In recent years, the ore difficult to occur repeatedly, lets the victim family member fall into sorrowfully in, also lets the government the situation be extremely awkward, from this has initiated the very many social question, has restricted the economical further development seriously.Therefore re

In recent years, mining has occurred frequently, plunged into mourning for the families of the victims, and to give the Government an extremely awkward position by a lot, and the resulting social problems, serious constraints on the further development of the economy. So it is essential for grubensi

In recent years, the mine disaster has occurred, the families of the victims into grief, has also made it in a very embarrassing situation caused a lot of social problems, has seriously constrained the further economic development. So for mine safety research become today an important subject in dis