Browse Standards

稀土金属及其氧化物中非稀土杂质化学分析方法 磷量的测定 钼蓝分光光度法

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of phosphorus content by molybdenum blue spectrophotometric method

钢质模锻件 公差及机械加工余量

Tolerances and machining--Allowances ofsteel die forging

钢质模锻件 通用技术条件

General specification of steel die forgings

金属材料 线材 缠绕试验方法

Metallic materials--Wire--Wrapping test

钢的应变时效敏感性试验方法(夏比冲击法)

Steel-strain ageing sensibility test(Charpy impact method)

热轧工具钢扁钢尺寸、外形、重量及允许偏差

Dimensions，shapes，weight and tolerances for hot-rolled tool flat steels

热轧圆钢和方钢尺寸、外形、重量及允许偏差

Hot-rolled round and square steel bars--Dimension，shape，weight and tolerance

异型接点带通用规范

Specification for electrical contact profiles

铱粉

Iridium powder

铑粉

Rhodium powder

氧化铝化学分析方法和物理性能测定方法 小于60μm的细粉末粒度分布的测定 湿筛法

Chemical analysis methods and determination of physical performance of alumina--Determination of the fine particle size distribution(less than 60μm)--Method using electroformed sieves

氧化铝化学分析方法和物理性能测定方法 火焰原子吸收光谱法测定氧化锌含量

Chemical analysis methods and determination of physical performance of alumina--Determination of zinc oxide content--Flame atomic absorption spectrophotometricmethod

氧化铝化学分析方法和物理性能测定方法 姜黄素分光光度法测定三氧化二硼含量

Chemical analysis methods and determination of physical performance of alumina--Determination of boron trioxide content--Curcumin spectrophotometric method

氧化铝化学分析方法和物理性能测定方法 邻二氮杂菲光度法测定三氧化二铁含量

Chemical analysis methods and determination of physical performance of alumina--Determination of ferric oxide content--Orthophenanthroline photometric method

氧化铝化学分析方法和物理性能测定方法 火焰原子吸收光谱法测定氧化钙含量

Chemical analysis methods and determination of physical performance of alumina--Determination of calcium oxide content--Flame atomic absorption spectrophotometric method

氧化铝化学分析方法和物理性能测定方法 试样的制备和贮存

Chemical analysis methods and determination of physical performance of alumina--Preparation andstorage of test samples

氧化铝化学分析方法和物理性能测定方法 安息角的测定

Chemical analysis methods and determination of physical performance of alumina--Measurement of the angle of repose

氧化铝化学分析方法和物理性能测定方法 吸附指数的测定

Chemical analysismethods and determination of physical performance of alumina--Determination of an absorption index

氧化铝化学分析方法和物理性能测定方法 松装密度的测定

Chemical analysismethods and determination of physical performance of alumina--Determination of untamped density

氧化铝化学分析方法和物理性能测定方法 钼蓝光度法测定二氧化硅含量

Chemical analysis methods and determination of physical performance of alumina--Determination of silicon dioxide content--Molybdenum blue photometric method