One of the most serious mining disasters in underground mines is rockburst phenomena.They can lead to injuries and even fatalities as well as damage to underground openings and mining equipment.This has forced many re...One of the most serious mining disasters in underground mines is rockburst phenomena.They can lead to injuries and even fatalities as well as damage to underground openings and mining equipment.This has forced many researchers to investigate alternative methods to predict the potential for rockburst occurrence.However,due to the highly complex relation between geological,mechanical and geometric parameters of the mining environment,the traditional mechanics-based prediction methods do not always yield precise results.With the emergence of machine learning methods,a breakthrough in the prediction of rockburst occurrence has become possible in recent years.This paper presents a state-ofthe-art review of various applications of machine learning methods for the prediction of rockburst potential.First,existing rockburst prediction methods are introduced,and the limitations of such methods are highlighted.A brief overview of typical machine learning methods and their main features as predictive tools is then presented.The current applications of machine learning models in rockburst prediction are surveyed,with related mechanisms,technical details and performance analysis.展开更多
They say stripes never go out of fashion.And we believe them.Once again,style reports are predicting that tliis timeless motif will be on catwalks-and sidewalks-this summer.Grab one of these classics and we promise it...They say stripes never go out of fashion.And we believe them.Once again,style reports are predicting that tliis timeless motif will be on catwalks-and sidewalks-this summer.Grab one of these classics and we promise it'll still be on trend when stripes are'in'again(which will probably be this time next year).展开更多
Geek chic is on the way out-and that means thick-framed specs are too.Wireframed sunglasses are enjoying a real revival,with sales of aviators exploding in particular.King of pilot swag,Ray-Ban,has launched a ne...Geek chic is on the way out-and that means thick-framed specs are too.Wireframed sunglasses are enjoying a real revival,with sales of aviators exploding in particular.King of pilot swag,Ray-Ban,has launched a new range of aviators.And they're not the only ones cashing in on the trend.Here's our pick of the bunch.展开更多
Kanye's iconic sneaker collection,Adidas Yeezy,has inspired a new generationof athletic,thick-soled kicks.Want to get the look without liming Mr.West's pockets?Here are some alternatives.
文摘One of the most serious mining disasters in underground mines is rockburst phenomena.They can lead to injuries and even fatalities as well as damage to underground openings and mining equipment.This has forced many researchers to investigate alternative methods to predict the potential for rockburst occurrence.However,due to the highly complex relation between geological,mechanical and geometric parameters of the mining environment,the traditional mechanics-based prediction methods do not always yield precise results.With the emergence of machine learning methods,a breakthrough in the prediction of rockburst occurrence has become possible in recent years.This paper presents a state-ofthe-art review of various applications of machine learning methods for the prediction of rockburst potential.First,existing rockburst prediction methods are introduced,and the limitations of such methods are highlighted.A brief overview of typical machine learning methods and their main features as predictive tools is then presented.The current applications of machine learning models in rockburst prediction are surveyed,with related mechanisms,technical details and performance analysis.
文摘They say stripes never go out of fashion.And we believe them.Once again,style reports are predicting that tliis timeless motif will be on catwalks-and sidewalks-this summer.Grab one of these classics and we promise it'll still be on trend when stripes are'in'again(which will probably be this time next year).
文摘Geek chic is on the way out-and that means thick-framed specs are too.Wireframed sunglasses are enjoying a real revival,with sales of aviators exploding in particular.King of pilot swag,Ray-Ban,has launched a new range of aviators.And they're not the only ones cashing in on the trend.Here's our pick of the bunch.
文摘Kanye's iconic sneaker collection,Adidas Yeezy,has inspired a new generationof athletic,thick-soled kicks.Want to get the look without liming Mr.West's pockets?Here are some alternatives.
