Browse Standards
96587+ standards in database
96587 result(s) found
纸和纸板 水接触角的光学测量方法
Paper and board—Measurement of water contact angle by optical methods
声学 环境噪声的描述、测量与评价 第3部分：脉冲声显著度测量和等效连续A声级修正的客观法
Acoustics—Description, measurement and assessment of environmental noise—Part 3: Objective method for the measurement of prominence of impulsive sounds and for adjustment of LAeq
大容积塑料内胆碳纤维全缠绕压缩氢气瓶
Large capacity fully wrapped carbon fiber reinforced gas cylinders with plastic liners for compressed hydrogen
声学 声景观 第2部分：数据收集和报告要求
Acoustics—Soundscape—Part 2: Data collection and reporting requirements
声学 护听器 第5部分：通过无经验的被试佩戴评价噪声衰减的方法
Acoustics—Hearing protectors—Part 5: Method for estimation of noise reduction using fitting by inexperienced test subjects
声学 声景观 第3部分：数据分析
Acoustics—Soundscape—Part 3: Data analysis
高压直流系统、静止无功补偿装置和柔性交流输电系统用换流器及其阀厅的防火措施
Fire prevention measures on converters for high-voltage direct current (HVDC) systems, static var compensators (SVC) and flexible AC transmission systems(FACTS) and their valve halls
医用电气系统 自适应外照射放射治疗系统的安全集成和操作指南
Medical electrical system—Guidelines for safe integration and operation of adaptive external-beam radiotherapy systems
土壤质量 土壤酶活性测定 荧光底物微孔板法
Soil quality—Measurement of enzyme activity patterns in soil samples—Using fluorogenic substrates in micro-well plates
交流1kV及直流1.5kV以上电力设施 第3部分：高压设施的设计和安装原则 高压设施的安全
Power installations exceeding 1 kV AC and 1,5 kV DC—Part 3: Principles to be observed in the design and erection of high voltage installations—Safety of high voltage installations
电气技术中的文字符号制订通则
General rules for the formulation of letter symbols in electrotechnology
每米38及43公斤钢轨用鱼尾板型式尺寸
Fish-plates for 38 kg/m and 43 kg/m steel rails
每米50公斤钢轨用鱼尾板式尺寸
Fish-plates for 50 kg/m steel rails
每米38公斤钢轨型式尺寸
38 kg/m Steel rails
每米43公斤钢轨型式尺寸
43 kg/m Steel rails
每米50公斤钢轨型式尺寸
50 kg/m Steel rails
每米38及43公斤钢轨用垫板型式尺寸
Tie-plates for 38 kg/m and 43 kg/m steels rails
每米50公斤钢轨用垫板型式尺寸
Tie-plates for 50 kg/m steel rails
762毫米轨距铁路机车车辆限界和建筑接近限界分类及基本尺寸
Locomotive and car clearance boundary and structure clearance boundary for 762mm gauge railways--Classification and basic dimensions
工业碳酸钠及其试验方法 第1部分:工业碳酸钠
Specification and determination methods of sodium carbonate for industrial use--Part 1:sodium carbonate for industrial use