电子级水电阻率的测试方法
Test method for resistivity of electronie grade water
检测标准
电子级水中痕量金属的原子吸收分光光度测试方法
Test method for measuring trace metals in electronic grade water by atomic absorption spectrophotometry
空心金属波导 第1部分:一般要求和测量方法
Hollow metallic waveguides Part 1:General requirements and measuring methods
软磁铁氧体材料成品、半成品化学分析方法
Chemical analysis methods for products and semi-finished products made of soft ferrite materials
电子级水中细菌总数的滤膜培养测试方法
Test method for total bacterial count inelectronic grade water by membrane filters
通信和电子设备用变压器和电感器铁心片 第2部分:软磁金属叠片最低磁导率规范
Laminations for transformers and inductors for use in telecommunicationand electronic equipment-Part 2 :Specification for the minimum permeabilities of laminationsmade of soft magnetic metallic materials
通信和电子设备用变压器和电感器铁心片 第1部分:机械和电性能
Laminations for transformers and inductors for use in telecommunication andelectronic equipment-Part 1:Mechanical and electrical characteristics
电子级水
Electronic grade water
信息处理 信息交换用八位代码结构和编码规则
Information processing-8-bit code for informationin terchange-Structure and rules for implementation
压电陶瓷材料性能测试方法静态弯曲强度的测试
Test methods for the properties of piezoeleetric ceramics Test for the statie flexural strength
