Home / Standards / GB/T 47280-2026 GB/T 47280-2026 Upcoming Nanotechnology—A testing method for the magnetic resonance relaxivity of ferrite nanoparticles 纳米技术 铁氧体纳米颗粒磁共振弛豫效能测试方法 Standard Type GBT ICS 07.120 CCS L04 Status 即将实施 Issue Date 2026-03-31 Implementation 2026-10-01 Responsible Dept 中国科学院 Drafting Unit N/A