The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The gas disaster is threatening the safety of China's coal mines“ the number one killer.” Comprehensive and systematic understanding of a variety of leading gas accidents reasons and early scientific warning of gas for work safety in coal mines is an urgent need to address the problem. Predictions of coal gas for the problems, this paper use the extension data mining technology and it not only from...