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Aiming at the problem of bandwidth resource control mechanism in multilink broadband network environment, the calculation method of data transmission delay is analyzed, a model of sharing bandwidth resource dynamic allocation in multilink is designed, the relationship of bandwidth resource allocation and data transmission delay is researched, a method of(More)
The effects of ultrasonic treatment (UST) on the solidification microstructure of a 35CrMo steel cast ingot were investigated. To avoid the erosion of a high-temperature melt, a T-shaped ultrasonic waveguide unit was used to introduce ultrasonic vibrations into a 35CrMo steel die casting melt. The experimental results show that the microstructure of the(More)
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