Browse Standards
4175+ standards in database
4175 result(s) found
水质 氰化物的测定 第二部分:氰化物的测定
Water quality--Determinationof cyanide--Part 2:Determination of cyanide
水质 溶解氧的测定 碘量法
Water quality--Determination of dissolved oxygen--Iodometric method
水质 五日生化需氧量(BOD5)的测定 稀释与接种法
Water quality--Determination of biochemical oxygen demand after 5 days(BOD5)--Dilution and seeding method
水质 阴离子表面活性剂的测定 亚甲蓝分光光度法
Water quality--Determination of anionic surfactants--Methylene blue spectrophotometric method
水质 钙和镁总量的测定 EDTA滴定法
Water quality--Determination of thesum of calcium and magnesium--EDTA titrimetric method
水质 钙的测定 EDTA滴定法
Water quality--Determination of calcium--EDTA titrimetric method
非密封放射性物质 识别和证书
Unsealed radioactive substances--Identification and certification
大气飘尘浓度测定方法
Determination of the concentration of airborne particulate matters
水质 pH值的测定 玻璃电极法
Water quality--Determination of pH value--Glass electrode method
空气质量 词汇
Air quality--Vocabulary
水质 词汇 第一部分和第二部分
Water quality--Vocabulary--Part 1 and part 2
企业职工伤亡事故经济损失统计标准
Statistical standard of economic losses from injury-fatal accidents of enterprise staff and workers
企业职工伤亡事故分类
The classification for casualty accidents of enterprise staff and workers
消防基本术语 第一部分
Fundamental terminology of fire protection--Part 1
人类工效学照明术语
Terms of lighting for ergonomics
作业场所空气中粉尘测定方法
Methods for airborne dust measurement in work place
起重吊运指挥信号
The commanding signal for lifting and moving
火灾分类
Classification of fires
声学 校准测听设备的基准零级 第1部分:压耳式耳机纯音基准等效阈声压级
Acoustics--Reference zero for the calibration of audiometric equipment--Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
硫酸浓缩尾气硫酸雾的测定 铬酸钡比色法
Determination of sulphuric acidmist in tail gas in sulphuric acid concentration process--Barium chromate colorimetric method