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Rock burst prediction method for coal mining is one of the worldwide challenging problems. Based on a high precision microseismic monitoring system consisting of nine geophones installed in Qixing Coal Mine in China, abundant microseismic events were detected through the continuous monitoring for 80 days. The potential high risk areas of rock burst were determined by analyzing the spatial and temporal...
With the development of ICT, a new kind of distance education institute-virtual school is coming into being, which has a great effect on the development of education. Researching the development and discussing the conduction and features of virtual schools in America and Canada maybe bring our education an enlightenment.
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