| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: invention can be implemented at production of anechoic chambers eliminating reflection of radio-waves from walls of chamber. Radio-absorbing ferrite contains, mol %: nickel oxide 10.0-16.0; copper oxide 2.0-6.0, zinc oxide 28.0-33.0, calcium titanate 0.5-5.0, ferric oxide - the rest. ^ EFFECT: high radio-absorbing properties. ^ 1 tbl, 1 ex |
