Browse Standards
1579+ standards in database
1579 result(s) found
流体流量测量 流量计性能表述方法
Measurement of fluid flow - Methods of specifying flowmeter performance
高压直流换流站可听噪声
HVDC converter station audible noise
γ射线探伤机
Apparatus for gamma radiography
利用电离辐射源的电测量系统和仪表
Electrical measuring systems and instruments utilizing ionizing radiation source
电离辐射厚度计
Thickness gauges utilizing ionizing radiation
电离辐射密度计
Density gauges utilizing ionizing radiation
电离辐射物位计
Level meter utilizing ionizing radiation
声学 校准测听设备的基准零级 第7部分: 自由场与扩散场测听的基准听阈
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
声学 校准测听设备的基准零级 第5部分：8kHz-16kHz频率范围纯音基准等效阈声压级
Acoustics - Reference zero for the calibration of audiometric equipment- Part 5: Reference equivalent threshold sound pressure levels for pure tone in the frequency range 8 kHz to 16 kHz
声学与振动 弹性元件振动 声传递特性实验室测量方法 第3部分：弹性支撑件平动动刚度的间接测量方法
Acoustics and vibration - Laboratory measurement of vibro-acoustic transfer properties of resilient elements - Part 3: Indirect method for determination of the dynamic stiffness of resilient supports for translatory motion
声学 机器与设备噪声发射数据的比较方法
Acoustics - Procedure for the comparison of noise-emission data for machinery and equipment
声学 声压法测定噪声源声功率级 现场比较法
Acoustics - Determination of sound power levels of noise sources using sound pressure - Comparison method in situ
表面污染测定 第1部分: β发射体（Eβmax>0.15MeV）和α发射体
Evaluation of surface contamination - Part 1: Beta-emitters (maximum beta energy greater than 0.15 MeV）and alpha emitters
β参考辐射 第1部分：产生方法
Reference beta radiations - Part 1: Methods of production
声学 用于测量道路车辆发射噪声的试验车道技术规范
Acoustics - Specification of test tracks for the purpose of measuring noise emitted by road vehicles
辐射加工剂量学术语
Terminology relating to radiation processing dosimetry
手持式非电类动力工具 噪声测量方法 工程法(2级)
Hand-held non-electric power tools - Noise measurement code - Engineering method(grade 2)
谷物检验筛
Test sieves for cereals
中子参考辐射 第1部分：辐射特性和产生方法
Reference neutron radiations - Part 1: Characteristics and methods of production
不可压缩流体流量计性能评定方法
Methods of evaluating the performance of flowmeters for incompressible fluids