. . . . "the characteristic size of an individual particle before aggregation or agglomeration." . . . "Primary particle size" . . . . "Christos Vasileiou" . "2026-01-12T14:46:47.062Z"^^ . . . . . . . . . "RSA" . "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz1OobdRASd9SftHrLhG905OXjv8DHndvyWzXRJ5EDFPankMSnHZPHK+g2qEeRWdonstt55CLrpTpWsVv9xRtTqPidXHbnWLBXX42iCB+EnZNoKqAVKF5GxkSR38S0uTTq3aeQJbw2kTpx6LMkspmuH95fgAI/lfqPWrxdlI98jIeHQ14UXZpiWmkkvPgC9GVgmwHiG1hB/NCA2fKCOxVodN44OfhAPtkWmPJ40IcGPSalI4HRqgLLI5PabdRk3PiG81cUngmQU1Xk6EapzkRJGenkOlGsC5L4ktEPO6LS9uBMLTMLQDtGtkrcwqg5HmeKv7Ili3vgr3LL8/GaBBOLQIDAQAB" . "qUWzS9sXjSlJbFZ++qpH6acK8H55Wfd7aQmfpTWssVtO0uYya5Jbu982tBiUVf2vDRNag0ya56TGqFmiJ2H47fOXK+I0H7FJGC89X2rhteIZ779sF+zLlHffGgqnDA7d60e9pLnu5R8mbkrlrvxdGgg3mzIelBMCBG2awF6LVCBqrUZzkgz6+Y9SfW/2QrLFrdbbLglWIBnJD5Xns20xKTEAhjuEqRBJavqNKFW2Hr/lKJYnJQL+QCnvT3uPPjGiy660cSiJJrjKlu2jVUQGzJEAabDIcHMr9+4LZKo+QeS6+nT5c7DclNAcneJBXDN1UIXds26DHlhBg3ruUYQ26w==" . . .