THE screw-propeller was practically applied to steamships by John Ericsson and Francis Petit Smith about seventy years ago. It speedily became formidable rival to the paddle-wheel. Long ago it ...

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Various problems are encountered during the screw feeding process of chopped cornstalk. Therefore, it is important to deeply analyze and understand the relationship between conditions and productivity ...

To improve the conveying efficiency and working stability of a screw conveyor, the feeding methods, running conditions and flow characteristics of materials were studied by theoretical analysis and ...