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The study of the flow characteristics of the solid-fluid two phase flow in the cutter suction dredger is very important for exploring the slurry formation mechanism and optimizing the operational parameters. In this study, standard k-ε model and Multiple Reference Frame are applied to numerically simulate flow field in and around the cutting system, then with the steady convergent result of the simulation...
To understand the molecular epidemiology and antibiotic resistance of air and clinical isolates of Acinetobacter baumannii, the intensive care unit settings of a hospital in Northern China were surveyed in 2014. Twenty non-duplicate A. baumannii isolates were obtained from patients and five isolates of airborne A. baumannii were obtained from the wards’ corridors. Pulsed field gel electrophoresis...
Climate change has greatly affected the natural habitats of wild plants, especially vulnerable species. However, methods to properly assess priority protected areas (PPAs) that consider climate change have not been established. The distribution of Fraxinus mandshurica in northeast China was assessed, and our goal was to develop model-based strategies for the assessment of PPAs in consideration of...
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