Browse Standards

保证氧用工业过程测量和控制装置清洁度的程序

Procedures for ensuring the cleanliness of industrial-process measurement and control equipment in oxygen service

声学 聚焦超声换能器发射场特性的定义与测量方法

Acoustics - Definitions and measurement methods for the transmitted fields of focusing ultrasonic transducers

声学 飞行中飞机舱内声压级的测量

Acoustics - Measurement of sound pressure levels in the interior of aircraft during flight

声学 混响室吸声测量

Acoustics - Measurement of sound absorption in a reverberation room

声学 用于评价环境声压级的多声源工厂的声功率级测定 工程法

Acoustics - Determination of sound power levels of multisource industrial plants for evaluation of sound pressure levels in the environment - Engineering method

声学 道路表面对交通噪声影响的测量 第1部分 统计通过法

Acoustics - Measurement of the influence of road surface on traffic noise Part 1: Statistical Pass-By method

声学 声强法测定噪声源声功率级 第3部分：扫描测量精密法

Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 3: Precision method for measurement by scanning

声学 水声材料纵波声速和衰减系数的测量 脉冲管法

Acoustics - Measurements of the longitudinal wave velocity and attenuation coefficient for underwater acoustical materials - Pulse tube method

振动与冲击 机械导纳的试验确定 第2部分：用激振器作单点平动激励测量

Vibration and shock - Experimental determination of mechanical mobility - Part 2: Measurements using single-point translation excitation with an attached vibration exciter

纳米级长度的扫描电镜测量方法通则

General rules for nanometer-scale length measurement by SEM

产品几何技术规范（GPS） 技术产品文件中表面结构的表示法

Geometrical Product Specifications (GPS) - Indication of surface texture in technical Product documentation

声学 环境噪声的描述、测量与评价 第1部分：基本参量与评价方法

Acoustics―Description, measurement and assessment of environmental noise―Part 1：Basic quantities and assessment procedures

声学 消声器噪声控制指南

Acoustics―Guidelines for noise control by silencers

声学 开放式工厂的噪声控制设计规程

Acoustics―Noise control design procedures for open plant

声学 噪声源声功率级的测定 基础标准使用指南

Acoustics―Determination of sound power levels of noise sources―Guidelines for the use of basic standards

振动与冲击 机械导纳的试验确定 第3部分：冲击激励法

Vibration and shock - Experimental determination of mechanical mobility - Part 3: Measurement using impact excitation

中国颜色体系

The Chinese color system

用安装在圆形截面管道中的差压装置测量满管流体流量 第4部分：文丘里管

Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 4: Venturi tubes

用安装在圆形截面管道中的差压装置测量满管流体流量 第3部分：喷嘴和文丘里喷嘴

Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 3: Nozzles and Venturi nozzles

封闭管道中流体流量的测量 热式质量流量计

Measurement of fluid flow in closed conduits - Thermal mass flowmeters