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A power management control method is proposed for the three-phase-to-single-phase matrix converter (MC)-based solid state transformer (SST) linking two grids. The MC-SST presents low weight and high controllability with respect to a conventional line-frequency transformer. Moreover, the single-stage ac-ac power conversion and compact volume are achieved compared to a three-stage SST, owing to the...
Functionalized ceramic dental crown was successfully fabricated through selective slurry extrusion (SSE) of solid freeform fabrication (also known as rapid prototyping) technologies. After being sintered, the decomposed nano-tourmaline powders were embedded in ZrO2 matrix. The far infrared emission properties of the ceramic dental crown were improved due to the increased number of infrared active...
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