'Nanocrystalline' materials in 1C003.C. are those materials having a crystal grain size of 50 nm or less, as determined by X-ray diffraction.
"Nanokristalinski" materiali iz točke 1C003.c so tisti, ki imajo velikost kristalnih zrnc 50 nm ali manj, kakor je določeno z uporabo rentgenske difrakcije.