. . . . "The heat flow across a surface per unit area per unit time, divided by the negative of the rate of change of temperature with distance in a direction perpendicular to the surface." . . . "Thermal conductivity" . . . . "Christos Vasileiou" . "2026-01-08T14:34:20.770Z"^^ . . . . . . . . . "RSA" . "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz1OobdRASd9SftHrLhG905OXjv8DHndvyWzXRJ5EDFPankMSnHZPHK+g2qEeRWdonstt55CLrpTpWsVv9xRtTqPidXHbnWLBXX42iCB+EnZNoKqAVKF5GxkSR38S0uTTq3aeQJbw2kTpx6LMkspmuH95fgAI/lfqPWrxdlI98jIeHQ14UXZpiWmkkvPgC9GVgmwHiG1hB/NCA2fKCOxVodN44OfhAPtkWmPJ40IcGPSalI4HRqgLLI5PabdRk3PiG81cUngmQU1Xk6EapzkRJGenkOlGsC5L4ktEPO6LS9uBMLTMLQDtGtkrcwqg5HmeKv7Ili3vgr3LL8/GaBBOLQIDAQAB" . "WxjVteBQgeZeS2PjHPPTQYPZTj2zf8zDe9gRxwdDu74dlh8xxefceuHNI8Dp4Whwf1zqSwKFMENWboJoPaPvUHZrS0JhC4+S1fY8BxWcaLQG8EIBGf+7LgQ5UiolxOgywBNnKoxFvTHPclw6IFl2DOEfj8tI5ngDc6/lM8MigGlg5Xp0NFrYr2rW2B1f1ZHbt2bORFSCza5X3Bbdyao2f96ntqc5kHvxkJ9haUAxmX4Lp3fqEHSO35uzB/3Y6CqfU9RswrhUPx16h50OQrqKYnMZUvG5KYNGxhzzqZChhqcJNQUUS+A3ccrQCimW2oMxZ3KfSmfzNz51N1PJzCBe3A==" . . .