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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 40296-2021 |
Practical superconducting wires—Twist pitch measurement method of Nb-Ti and NB3Sn composite superconductors 实用超导线 铌-钛（Nb-Ti）与铌三锡（Nb3Sn）复合超导体的扭距测量方法 |
China National Standards B3 |
 English PDF |
| GB/T 38841-2020 |
Mechanical properties measurement—Room temperature tensile test of reacted NB3Sn composite superconductors 力学性能测量 反应后的Nb3Sn复合超导线室温拉伸试验方法 |
China National Standards B3 |
English PDF |
| GB/T 25897-2020 |
Residual resistance ratio measurement—Residual resistance ratio of Nb-Ti and NB3Sn composite superconductors 剩余电阻比测量 铌-钛（Nb-Ti）和铌三锡（Nb3Sn）复合超导体剩余电阻比测量 |
China National Standards B3 |
English PDF |
| GB/T 39414.4-2020 |
Interface specification for signal in space of BeiDou navigation satellite system—Part 4: Open service signal B3I 北斗卫星导航系统空间信号接口规范 第4部分：公开服务信号B3I |
China National Standards B3 |
English PDF |
| GB/T 36921-2018 |
Determination of vitamin B2, vitamin B3 and vitamin B6 in toothpaste—High performance liquid chromatography 牙膏中维生素B2、维生素B3和维生素B6的测定-高效液相色谱法 |
China National Standards B3 |
English PDF |
| GB/T 31522-2015 |
Matrix to superconductor volume ratio measurement—Copper to non-copper volume ratio of NB3Sn composite superconducting wires 基体与超导体体积比测试 Nb3Sn复合超导线铜与非铜体积比 |
China National Standards B3 |
English PDF |
| GB/T 29664-2013 |
Determination of vitamin B3(Nicotinic acid and Nicotinamide) in cosmetics - HPLC and HPLC-MS/MS 化妆品中维生素B3（烟酸、烟酰胺）的测定 高效液相色谱法和高效液相色谱串联质谱法 |
China National Standards B3 |
English PDF |
| GB/T 28871-2012 |
Critical current measurement-DC critical current of NB3Sn composite superconductors 铌三锡（Nb3Sn）复合超导体的直流临界电流测量 |
China National Standards B3 |
English PDF |
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