Browse Standards
4331+ standards in database
4331 result(s) found
电工电子产品着火危险试验 第9部分：着火危险评定导则 预选试验程序 总则
Fire hazard testing for electric and electronic products—Part 9:Guidance for assessing the fire hazard—Preselection testing procedures—General guidelines
高压直流设施的系统试验
System tests for high-voltage direct current (HVDC) installations
保健用荧光紫外灯 测量和规范方法
Fluorescent ultraviolet lamps used for tanning―Measurement and specification method
反射灯中心光强和光束角的测量方法
Method of measurement of center beam intensity and beam angle(s)of reflector lamps
用栅控和非栅控二极管的电压电容关系测定硅外延层中净载流子浓度的方法
Method for net carrier density in silicon epitaxial layers by voltage-capacitance of gated and ungated diodes
火力发电机组一次调频试验及性能验收导则
Guide of primary frequency control test and performance acceptance for thermal power generating units
热熔断体 第1部分：要求和应用导则
Thermal-links—Part 1: Requirements and application guide
低压成套开关设备和控制设备 第2部分：成套电力开关和控制设备
Low-voltage switchgear and controlgear assemblies—Part 2: Power switchgear and controlgear assemblies
低压成套开关设备和控制设备 第1部分:总则
Low-voltage switchgear and controlgear assemblies―Part 1: General rules
荧光灯用辉光启动器
Glow-starters for fluorescent lamps
硅材料原生缺陷图谱
Metallographs collection for original defects of crystalline silicon
高压直流输电系统滤波器用电阻器
Filter resistor for high voltage direct current (HVDC) transmission system
电力工程直流电源设备通用技术条件及安全要求
General specification and safety requirements for DC power supply equipment of power projects
1 kV及以下通用变频调速设备 第2部分：试验方法
Variable-frequency drive of 1kV and below—Part 2：Test methods
1 kV及以下通用变频调速设备 第1部分：技术条件
Variable-frequency drive of 1 kV and below—Part 1: Technical conditions
1 kV 以上不超过 35 kV 的通用变频调速设备 第2部分：试验方法
Variable-frequency drive above 1kV and not exceeding 35kV—Part 2: Test methods
1 kV 以上不超过 35 kV 的通用变频调速设备 第1部分：技术条件
Variable-frequency drive above 1kV and not exceeding 35kV—Part 1: Technical conditions
固定型阀控式铅酸蓄电池 第2部分：产品品种和规格
Lead-acid batteries for stationary valve-regulated—Part 2: Kinds of products and specification
锂离子电池用钛酸锂及其炭复合负极材料
Lithium titanium oxide and its carbon composite anode materials for lithium ion battery
含有一个或多个间隙的同心绞架空导线
Concentric lay stranded overhead electrical conductors containing one or more gap(s)