Abstract: The special form of pipe-like structure provides the helical route for ultrasonic guided wave. Considering the pipe as a flattened plate but with periodical replications, the helical wave ...
The names of the leagues have changed, as have many of the affiliates, but Minor League baseball is still coming to hundreds of communities across North America beginning this week. Major League ...
Abstract: There is frequent sandstorm weather in the northwest of China. Roof insulator is exposed to strong wind and sand environment for a long time. A large amount of sand will be deposited on the ...
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