. . . . "the measure of the deviations of a surface from flatness, representing the micro- or nanoscale texture." . . . "Surface roughness" . . . . "Christos Vasileiou" . "2026-01-12T15:14:30.898Z"^^ . . . . . . . . . "RSA" . "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz1OobdRASd9SftHrLhG905OXjv8DHndvyWzXRJ5EDFPankMSnHZPHK+g2qEeRWdonstt55CLrpTpWsVv9xRtTqPidXHbnWLBXX42iCB+EnZNoKqAVKF5GxkSR38S0uTTq3aeQJbw2kTpx6LMkspmuH95fgAI/lfqPWrxdlI98jIeHQ14UXZpiWmkkvPgC9GVgmwHiG1hB/NCA2fKCOxVodN44OfhAPtkWmPJ40IcGPSalI4HRqgLLI5PabdRk3PiG81cUngmQU1Xk6EapzkRJGenkOlGsC5L4ktEPO6LS9uBMLTMLQDtGtkrcwqg5HmeKv7Ili3vgr3LL8/GaBBOLQIDAQAB" . "sXVgbAomVXF+v1WfpYy25wxOnwT1lt//rxZNyKAG3EOmZKViIfyIMc0GPKMbpvp5Jd6ZEKQaLfNByZNmKvN/AiPSEz4wzdfANFyHDOE/sfrtInkJXmReozawaKf1LBpQni3HAuS39SrCVCi6bbnHeC8iW5sQrv228AFW9fcMmfqtmQFEa0AExOkiHWGurdcSrcb+EaUGZo5zOAbiJ9WMDWBxfJ8XzFqRC4Iump4mTHL4AaeUEtj/W3yg4m97Letx3VqKnfBFn9IcLwnSCMjz4Z8MmjspUpb9dhOAsPSuht3DvzXMV5nBU3QBM3tiBoCW/VtJuT7tWdJEgoh77d/Crw==" . . .