Portable M12 rotary-screw compressors have variable pressures from 70 to 190 psi. The 18-hp unit has a 45 cfm at 100 psi. Features include a power-saving Sigma Profile airend, an air-cooled oil cooler ...
Abstract: Compressed-air systems account for a notable share of the industrial electricity consumption. At the same time, a significant potential to improve the energy efficiency of compressed-air ...
Abstract: The helical beam antenna has inherent broad-band properties. Over a wide frequency band the pattern shape, circularity of polarization, and terminal impedance are relatively stable. Measured ...
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