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氮化物LED外延片内量子效率测试方法
Test methods for internal quantum efficiency of nitride LED epitaxial layers
Ⅲ族氮化物外延片晶格常数测试方法
Test method for lattice constant of III-nitride epitaxial layers
Ⅲ族氮化物外延片结晶质量测试方法
Test method for crystal quality of III-nitride epitaxial layers
力学性能测量 NbTi/Cu复合超导线室温拉伸试验方法
Mechanical properties measurement—Room temperature tensile test of NbTi/Cu composite superconductors
基体与超导体体积比测试 Nb3Sn复合超导线铜与非铜体积比
Matrix to superconductor volume ratio measurement—Copper to non-copper volume ratio of Nb3Sn composite superconducting wires
临界温度测量 电阻法测复合超导体临界温度
Critical temperature measurement—Critical temperature of composite superconductors by a resistance method
热交换器用铜合金无缝管
Seamless copper alloy tube for condenser and heat-exchanger
氧化钕
Neodymium oxide
氧化镨
Praseodymium oxide
氧化镧
Lanthanum oxide
混合氯化稀土
Rare earth chloride
稀土镁硅铁合金
Rare earth ferrosilicon magnesium alloy
稀土硅铁合金
Rare earth ferrosilicon alloy
金锭
Gold ingots
氧化铕
Europium oxide
氧化钇
Yttrium oxide
磁控管用无氧铜管
Oxyger-free copper tube for magnetic induction tube
引线框架用铜及铜合金带材 第2部分：异型带
Copper and copper alloy strips for lead frame—Part 2: Profiled strip
引线框架用铜及铜合金带材 第1部分：平带
Copper and copper alloy strips for lead frame—Part 1: Plane strip
离子型稀土矿混合稀土氧化物
Mixed rare earth oxide of ion-absorpted type rare earth ore