Industrial air compressor manufacturer and distributor Hitachi Global Air Power acquired Air Power Sales and Service. Terms of the transaction were not disclosed. Longview, TX-based Air Power Sales ...
Abstract: This study proposed an optimization method for image compression using wavelet and Huffman coding with a v-variable. The optimization was conducted by dividing the low and low frequencies in ...
Abstract: In response to the growing traffic congestion in countries around the world, the idea of urban air traffic solutions has been proposed internationally. The electric vertical take-off and ...
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