Abstract: With a relatively high gear ratio and consequently a long magnetic path in the Vernier reluctance machine, its yoke is always thicker than that of conventional PMSM machines, which ...
Abstract: The thinning of sapphire wafers is a key process that affects the quality of optoelectronic devices. In the grinding process for sapphire, a hard and brittle material, the grade and surface ...
Work to start digging a new Hudson Tunnel is set to begin this spring as two tunnel boring machines custom-built for the project are on their way to New Jersey. The new rail tunnel, called the Gateway ...
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