Browse Standards

声学　有机器的低噪声工作场所设计推荐方法　第2部分：噪声控制措施

Acoustics—Recommended practice for the design of low-noise workplaces containing machinery—Part 2: Noise control measures

电声学 倍频程和分数倍频程滤波器 第2部分：型式评价试验

Electroacoustics—Octave-band and fractional-octave-band filters—Part 2: Pattern evaluation tests

产品几何技术规范（GPS） 模制件的尺寸和几何公差 第3部分：铸件尺寸公差、几何公差与机械加工余量

Geometrical product specifications(GPS)—Dimensional and geometrical tolerances for moulded parts—Part 3: General dimensional and geometrical tolerances and machining allowances for castings

声学 机器设备发射的高频声功率级测定

Acoustics—Determination of high-frequency sound power levels emitted by machinery and equipment

产品几何技术规范（GPS） 滤波 第30部分：稳健轮廓滤波器：基本概念

Geometrical product specifications (GPS)—Filtration—Part 30: Robust profile filters: Basic concepts

设备结构健康监测 基于叶尖定时原理的透平叶片振动在线监测方法

Equipment structure health monitoring—Practice for the turbine blades on-line vibration monitoring based on tip-timing theory

设备结构健康监测 基于光纤传感技术的应力监测方法

Equipment structure health monitoring—Practice for strain monitoring based on fiber sensing technology

产品几何技术规范（GPS） 滤波 第1部分：概述和基本概念

Geometrical product specifications (GPS)—Filtration—Part 1: Overview and basic concepts

声学 管道消声器无气流下插入损失测量 实验室简易法

Acoustics—Measurement of insertion loss of ducted silencers without flow—Laboratory survey method

电力系统同步相量测量装置检测规范

Test specifications of synchrophasor measurement device for power systems

电声学 倍频程和分数倍频程滤波器 第1部分：规范

Electroacoustic—Octave-band and fractional-octave-band filters—Part 1: Specifications

产品几何技术规范（GPS） 圆锥的锥度与锥角系列

Geometrical product specifications (GPS)—Series of conical tapers and taper angles

产品几何技术规范（GPS） 滤波 第20部分：线性轮廓滤波器：基本概念

Geometrical product specifications (GPS)—Filtration—Part 20: Linear profile filters: Basic concepts

产品几何技术规范（GPS） 坐标测量机（CMM）确定测量不确定度的技术 第3部分：应用已校准工件或测量标准

Geometrical product specifications (GPS)—Coordinate measuring machines (CMM): Technique for determining the uncertainty of measurement—Part 3: Use of calibrated workpieces or measurement standards

产品几何技术规范（GPS） 表面结构：区域法 第700部分：区域形貌测量仪器的校准、调整和验证

Geometrical product specifications (GPS)—Surface texture: Areal—Part 700: Calibration, adjustment and verification of areal topography measuring instruments

产品几何技术规范（GPS） 几何公差 一般几何规范和一般尺寸规范

Geometrical product specifications (GPS)—Geometrical tolerancing—General geometrical specifications and general size specifications

产品几何技术规范(GPS) 坐标测量系统(CMS)的验收检测和复检检测 第13部分：光学三维坐标测量系统

Geometrical product specifications (GPS)—Acceptance and reverification tests for coordinate measuring systems (CMS)—Part 13: Optical 3D CMS

声学　有机器的低噪声工作场所设计推荐方法　第1部分：噪声控制策略

Acoustics—Recommended practice for the design of low-noise workplaces containing machinery—Part 1: Noise control strategies

电声学 测量传声器 第8部分：测定工作标准传声器自由场灵敏度的比较法

Electroacoustics—Measurement microphones—Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison

电声学 测量传声器 第7部分:实验室标准传声器的自由场灵敏度级和声压灵敏度级之间的差值

Electroacoustics—Measurement microphones—Part 7: Values for the difference between free-field and pressure sensitivity levels of laboratory standard microphones