Fe-Nb-R-B纳米晶和Fe-Zr-R-B合金的磁特性非晶合金通过热处理能获得以bcc-Fe相为主相的10~20nm左右微晶,这种Fe-(Zr,Nb)-B合金,具有1.5~1.7T高饱和磁感。这种材料和硬磁性纳米晶Fe-(Nd,Pr)-B合金复合,...
Magnetic Properties of Fe-Nb-R-B Nano
To report a case of adenoma of the nonpigmented ciliary epithelium concomitant with marked neovascularization of the optic disk and cystoid macular edema (CME).