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Acoustic emission characteristics in tensile-shear failure of non-persistent jointed rocks with different undulation angles
Tensile-shear failure commonly occurs during the construction of deep in-situ tunnels. In this paper, direct tensile-shear tests were conducted on rock-like specimens containing regular serrated joints using a...
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Article
Control strategy research of a selective catalytic reduction system for heavy-duty application
An AdBlue dosing control strategy of the selective catalytic reduction (SCR) system is developed for a heavy-duty diesel (HDD) engine. The strategy includes a raw emission prediction model, an ammonia (NH3) cover...