Browse Standards

机械振动 选择适当的机器振动标准的方法

Mechanical vibration—Methodology for selecting appropriate machinery vibration standards

预应力钢筒混凝土管分布式光纤声监测技术要求

Technical requirements for distributed acoustic optical fiber monitoring system on prestressed concrete cylinder pipe

预应力钢筒混凝土管无损检测（远场涡流电磁法）技术要求

Technical requirements for nondestructive testing （electromagnetic method based on remote field eddy current） on prestressed concrete cylinder pipe

声学 超声功率测量 辐射力天平法及其要求

Acoustics—Ultrasonic power measurement—Radiation force balances and the requirements

声学 环境噪声的描述、测量与评价 第2部分：声压级测定

Acoustics—Description, measurement and assessment of environmental noise—Part 2: Determination of sound pressure levels

声学 校准测听设备的基准零级 第3部分: 骨振器纯音基准等效阈振动力级

Acoustics—Reference zero for the calibration of audiometric equipment—Part 3：Reference equivalent threshold vibratory force levels for pure tones and bone vibrators

声学 机器和设备发射的噪声 测定工作位置和其他指定位置发射声压级的基础标准使用导则

Acoustics—Noise emitted by machinery and equipment—Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions

声学 描述船舶水下噪声的量及其测量方法 第1部分：用于比对目的的深水精密测量要求

Acoustics—Quantities and procedures for description and measurement of underwater sound from ships—Part 1: Requirements for precision measurements in deep water used for comparison purposes

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 声景观 第1部分：定义和概念性框架

Acoustics—Soundscape—Part 1: Definition and conceptual framework

声学 建筑和建筑构件隔声测量 第2部分：测量不确定度评定和应用

Acoustics—Measurement of sound insulation in buildings and of building elements—Part 2 : Determination and application of measurement uncertainties

燃气计量系统

Measuring systems for gaseous fuel

安装式数字显示电测量仪表 第1部分：定义和通用要求

Mounted digital display electric measuring instruments—Part 1：Definitions and general requirements common to all parts

多费率电能表 特殊要求

Multi-rate electricity meters—Particular requirements

交流电测量设备 特殊要求 第3部分：数字化电能表

Electricity metering equipment(AC)—Particular requirements—Part 3: Digital input electricity meter

公法线千分尺

Micrometer for measuring root tangent lengths of gear teeth

杠杆千分尺

Micrometer with dial comparator

壁厚千分尺

Micrometer for measuring pipe wall thicknesses

水平衡测试通则

General principles of water balance test

刀口形直尺

Knife straight edge