Browse Standards
4520+ standards in database
4520 result(s) found
钢铁及合金牌号统一数字代号体系
Unified numbering system for designation of iron,steel and alloy
灯用稀土紫外发射荧光粉
Rare earth ultraviolet emission phosphors for fluorescent lamps
灯用稀土磷酸盐绿色荧光粉
Rare earth phosphate green phosphors for fluorescent lamps
纳米铁粉
Nanoscale iron powder
金属镨
Praseodymium metal
灯用稀土紫外发射荧光粉试验方法
Test methods of rare earth ultraviolet emission phosphors for fluorescent lamps
LED用稀土硅酸盐荧光粉试验方法
Test methods of silicate phosphors activated by rare earths for LED
压力表用铜合金管
Copper alloy tube for pressure gauge
铸造用锌合金锭
Zinc alloy ingots for casting
原位颗粒增强ZL101A合金基复合材料
In situ particulate reinforced ZL101A alloy matrix composites
连铸轧制铜包铝扁棒、扁线
Copper clad aluminum flat bars and wires manufactured by continuous-casting and rolling
铝粉 第4部分：氮气雾化铝粉
Aluminum powder―Part 4: Nitrogen atomized aluminum powder
钢丝绳绳端 套管压制索具
Steel wire rope terminations—ferrule-securing sling
钢丝绳绳端 合金熔铸套接
Terminations for steel wire ropes―Molten metal socketing
钢丝绳吊索 环索
Steel wire rope sling―Gromments
钢丝绳 实际破断拉力测定方法
Steel wire ropes―Determination of measured breaking force
金属粉末 有效密度的测定 液体浸透法
Metallic powders―Determination of effective density―Liquid immersion method
钼铁 碳含量的测定 红外线吸收法
Ferromolybdenum—The determination of carbon content—Infrared absorption method
钼铁 硅含量的测定 硫酸脱水重量法和硅钼蓝分光光度法
Ferromolybdenum―Determination of silicon content―Sulphuric acid dehydration gravimetric method and molybdenum blue spectrophotometric method
钼铁 铜含量的测定 火焰原子吸收光谱法
Ferromolybdenum―Determination of copper content―The flame atomic absorption spectrometric method