SpaceX apologized to Starlink customers after delaying some bookings, saying a silicon shortage had slowed production of its Internet components. Starlink, a SpaceX subsidiary, told customers who paid a $100 deposit in the first half of the…
Design introduction and efficiency evaluation of DC-DC Converter…
Silicon carbide, as a typical representative of the third generation semiconductor, is carbonized. Silicon devices have the above three advantages and can provide high-voltage and high-temperature components for electric vehicles, helping de…
Whether the cement used and the pumping agent are matched and adapted must be obtained through the adaptability test. The optimum amount of the pumping agent should be determined through the adaptability test with the cement cementitious material.…
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