A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2024.230180, discusses orthogonal matrix of polarization combinations: concept and application to multichannel holographic recording.
The thickness of the coal seam is more than 3.5 m, which is called the thick coal seam 1, and it is the main mineable coal seam to achieve high production and high efficiency in modern Chinese mines 2 ...
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