Browse Standards
4355+ standards in database
4355 result(s) found
视觉工效学原则 室内工作系统照明
Principles of visual ergonomics--The lighting of indoor work systems
大气降水中氯化物的测定 硫氰酸汞高铁光度法
Determination of chloride in wet precipitation--Ferrithiocyanate spectrophotometry
大气降水中硝酸盐测定
Determination of nitrate in the wet precipitation
大气降水中亚硝酸盐测定 N-(1-萘基)-乙二胺光度法
Determination of nitrite in the wet precipitation--N-(1-naphthyl)-1, 2-diaminoethane dihydrochloride spectrophotometry
大气降水中硫酸盐测定
Determination of sulfate in the wet precipitation
大气降水中氟、氯、亚硝酸盐、硝酸盐、硫酸盐的测定 离子色谱法
Determination of fluoride, chloride, ntrite, nitrate, salfate in the wet precipitation--Ion chromotography
大气降水pH值的测定 电极法
Determination of pH value of the wet precipitation--Glass electrode method
大气降水电导率的测定方法
Determination of specific conductance in the wet precipitation
大气降水样品的采集与保存
Collection and preservation of the wet precipitation sample
大气降水中钙、镁的测定 原子吸收分光光度法
Determination of calcium and magnesium in the wet precipitation--Atomic absorption spectrophotometry
大气降水中钠、钾的测定 原子吸收分光光度法
Determination of sodium andpotassium in the wet precipitation--Atomic absorption spectrophotometry
大气降水采样和分析方法总则
General principles for analytical methods of the wet precipitation
大气降水中铵盐的测定
Determination of ammonium in the wet precipitation
大气降水中氟化物的测定 新氟试剂光度法
Determination of fluoride in the wet precipitation--Fluor reagent spectrophotometry
工作空间人体尺寸
Human dimensions in workspaces
劳动防护服号型
Size designation of protective clothing
空气质量 氮氧化物的测定
Air quality--Determination of nitrogen oxides
电流通过人体的效应 第一部分:常用部分
Effects of current passing through the human body--Part 1:General aspects
关于固定结构特别是建筑物和海上结构的居住者对低频(0.063~1Hz)水平运动响应的评价导则
Guidelines for the evaluation of the response of occupants of fixed structures,especially buildings and off-shor structures,to low-frequency horizontal motion (0.063~1Hz)
水处理设备性能试验 过滤设备
Performance test for water treatment equipment--Filter