Fractures running along a plane reflect the cracking progress.In this paper uniaxial and rockburst tests on a group of granite specimens from Sanya province are
A new process is proposed for refining niobite ore that is found in Jiangxi province of China.Niobite,also known as columbite or niobite-tantalite,is a mineral
<正>The geochemical baseline is the fundamental reference for environmental change and assessment.In this article we describe cluster and regression analyses wi