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By introducing variation factor n0, upper-bound limit analysis of inhomogeneous slope was proposed while cohesion changes linearly as depth increases. Research shows that internal dissipation rate in deformation area caused by linearly variation of cohesion is half of which occurs on the logarithm spiral. Limit bearing capacity increases as n0 increases if cohesion of slope toe remains constant. The...
With rapid development of economy, the heavy metal pollution in soil has been a serious environmental problem in Zhejiang. The typical events of heavy metal pollution happened in Taizhou, Changxing, Fuyang & Ningbo. Under background of environmental law, environmental taxes, remediation & development of Brownfield and environmental labeling, etc, the research focuses on the situation of heavy...
Fragmentation test is one of the mandatory tests on safety glasses. We apply digital image processing techniques to the detection and recognition of glass fragments, and obtain their shape, size, and count. Based on the characteristics of glass fragment images, we propose an image segmentation algorithm based on edge detection. The first step is to detect the crack lines using edge detection and edge...
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