Home / Standards / GB/T 40007-2021 GB/T 40007-2021 Active Nanotechnology—Contacting methods for measuring the resistivity of nanomaterials—General rules 纳米技术 纳米材料电阻率的接触式测量方法 通则 Standard Type GBT ICS 17.220.20 CCS H21 Status 现行 Issue Date 2021-05-21 Implementation 2021-12-01 Responsible Dept 中国科学院 Drafting Unit N/A