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In three-axis computer numerically controlled (CNC) machining of sculptured surface parts, the tool path pattern is crucial to surface quality and machining time. A well-known tool path pattern—iso-cusped tool paths—over sculptured surfaces can save manufacturing time by eliminating redundant machining and reducing manual grinding, while other tool path patterns cannot; thus, this pattern has been...
A natural attenuation experiment was carried out using a lysimeter for 308days after contaminating the subsoil with hydrocarbons (HCs) and the changes in the structures of microbial community in the hydrocarbon (HC) contaminated subsoil were monitored by quinone profile analysis. The residues of HCs remained for 217days in the subsoil after the contamination. The amount of total quinones (TQ), an...
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