A SCOPING REVIEW OF COLORISM IN SCHOOLS: ACADEMIC, SOCIAL, AND EMOTIONAL EXPERIENCES OF STUDENTS OF COLOR


Failure analysis of ring die of a feed pellet machine

The severely worn position and failure mechanisms of the ring die of a feed pellet machine were investigated.The macroscopic and microscopic morphologies of the failed surface, the chemical composition and mechanical properties of the collected samples were analyzed using scanning electron microscopy, energy disperse Soldering Pencils spectroscopy,

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