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4331+ standards in database
4331 result(s) found
取自电缆或光缆的材料燃烧时释出气体的试验方法 第1部分：卤酸气体总量的测定
Test on gases evolved during combustion of materials from cables or optical fiber cables—Part 1：Determination of the halogen acid gas content
自动化内燃机电站通用技术条件
General technical conditions for automatic internal combustion engine power stations
确定电励磁同步电机参数的试验方法
Methods for determining electrically excited synchronous machine quantities from tests
电力物联网信息通信总体架构
General framework of information and communication for electric internet of things
精密外转子轴流风机通用规范
General specification for precision external rotor axial fan
便携式电子产品用振动电机通用规范
General specification of vibration motors for mobile devices
减速永磁式步进电动机通用规范
General specification for reduced-speed permanent-magnet stepping motors
电机产品生命周期评价方法
Life cycle assessment method for electric machine
能源路由器功能规范和技术要求
Functional specifications and technical requirements of energy router
就地化继电保护装置技术规范 第5部分：线路保护
Technical specification for on-site protection equipment—Part 5: Line protection
就地化继电保护装置技术规范 第4部分：智能管理单元
Technical specification for on-site protection equipment—Part 4: Smart management unit
就地化继电保护装置技术规范 第3部分：就地操作箱
Technical specification for on-site protection equipment—Part 3: Operation module
就地化继电保护装置技术规范 第2部分：连接器及预制缆
Technical specification for on-site protection equipment—Part 2:Connector and prefabricated cable
就地化继电保护装置技术规范 第1部分：通用技术条件
Technical specification for on-site protection equipment—Part 1: General specification
智能变电站测控装置技术规范
Technical specifications for measurement and control device in smart substation
变压器产品生命周期评价方法
Life cycle assessment method for transformer
生态设计产品评价技术规范 变压器
Assessment technical specification for eco-design product—Transformers
固体绝缘材料 介电和电阻特性 第7部分：电阻特性(DC方法) 高温下测量体积电阻和体积电阻率
Solid insulating materials—Dielectric and resistive properties—Part 7:Resistive properties(DC method)—Measurement of volume resistance and volume resistivity at elevated temperatures
固体绝缘材料 介电和电阻特性 第5部分：电阻特性(DC方法) 浸渍和涂层材料的体积电阻和体积电阻率
Solid insulating materials—Dielectric and resistive properties—Part 5:Resistive properties(DC method)—Volume resistance and volume resistivity of impregnation and coating materials
砷化镓单晶
Gallium arsenide single crystal