Browse Standards

电力半导体器件用散热器 第3部分:绝缘件和紧固件

Heat sink for power semiconductor device--Part 3:Insulators and fasteners

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

用于校准剂量仪和剂量率仪及确定其能量响应的 X和γ参考辐射 第3部分:场所剂量仪和个人剂量计的校准及其能量响应和角响应的测定

X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy--Part 3:Calibration of area and personal dosemeters and the measurement of their response as a function of en

标称电压1 kV及以下交流电力系统用自愈式并联电容器 第2部分:老化试验、自愈性试验和破坏试验

Shunt power capacitors of the self-healing type for a.c.systems having a rated voltage up to and including 1000V--Part 2:Ageing test，self-healing test and destruction test

铑粉

Rhodium powder

铱粉

Iridium powder

印刷技术 印刷图像的光谱测量和色度计算

Graphic technology--Spectral measurement and colorimetric computation for graphic arts images

标称电压高于1000V的架空线路用绝缘子----直流系统用瓷或玻璃绝缘子元件----定义、试验方法和接收准则

Insulators for overhead lines with a nominal voltage above 1000V--Ceramic or glass insulator units for d.c. systems--Difinitions，test methods and acceptance criteria

硅片氧沉淀特性的测定 间隙氧含量减少法

Oxygen precipitation characterization of silicon wafers by measurement of interstitial oxygen reduction

异型接点带通用规范

Specification for electrical contact profiles

感应加热装置用电力电容器 第2部分:老化试验、破坏试验和内部熔丝隔离要求

Power capacitors for induction heating installations--Part 2:Ageing test，destruction test and requirements for disconnecting internal fuses

氧化铝化学分析方法和物理性能测定方法 苯甲酰苯基羟胺萃取光度法测定五氧化二钒含量

Chemical analysis methods and determination of physical performance of alumina--Determination of vanadic oxide content--N-benzoyl-N-phenylhydroxylamine extraction 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一氧化锰含量

Chemical analysis methods and determination of physical performance of alumina--Determination of manganous 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 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 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 镧-茜素络合酮分光光度法测定氟含量

Chemical analysis methods and determination of physical performance of alumina--Determination of fluorine content--Lanthanum-alizarincomplexone spectrophotometric method

氧化铝化学分析方法和物理性能测定方法 硫氰酸铁光度法测定氯含量

Chemical analysis methods and determination of physical performance of alumina--Determination of chlorine content--Ferric thiocyanate photometric method

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 钼蓝分光光度法测定五氧化二磷含量

Chemical analysis methods and determination of physical performance of alumina--Determination of phosphorus pentoxide content--Molybdenum blue spectrophotometric method

氧化铝化学分析方法和物理性能测定方法 N，N-二甲基对苯二胺分光光度法测定硫酸根含量

Chemical analysis methods and determination of physical performanceof alumina--Determination of sulfate content--N，N-dimethyl-P-phenylenediamine spectrophotometric method