Browse Standards

船上噪声测量

Measurement of noise on board vessels

一般公差 未注公差的线性和角度尺寸的公差

General tolerances--Tolerances for linear and angular dimensions without individual tolerance indications

产品几何技术规范 表面结构 轮廓法 表面结构的术语、定义及参数

Geometrical Product Specifications (GPS)--Surface texture:Profile method--Terms，definitions and surface texture parameters

以噪声污染为主的工业企业卫生防护距离标准

Health protection zone standards for industrial enterprises by noise

声学 家用电器及类似用途器具噪声测试方法 第1部分:通用要求

Acoustics--Household and similar electrical appliances--Test code for determination of airborne acoustical noise--Part 1:General requirements

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 forthe use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions

声学 机器和设备噪声发射值的标示和验证

Acoustics--Declaration and verification of noise emission values of machinery and equipment

声学 水听器低频校准方法

Acoustics--Low frequency calibration methods of hydrophones

声学 1～10 MHz频率范围内橡胶和塑料纵波声速与衰减系数的测量方法

Acoustics--Methods for measuring the longitudinal sound speed and attenuation coefficient of rubbers and plastics in the frequency range 1 MHz to 10 MHz

声学 户外声传播衰减 第1部分:大气声吸收的计算

Acoustics--Attenuation of sound during propagation outdoors--Part 1:Calculation of the absorption of sound by the atmosphere

用于校准表面污染监测仪的参考源 第2部分:能量低于0.15MeV的电子和能量低于1.5MeV的光子

Reference sources for the calibration of surface contamination monitors--Part 2:Electrons of energy less than 0.15MeV and photons of energy less than 1.5MeV

用于校准剂量(率)仪及确定其能量响应的β参考辐射

Reference beta radiations for calibrating dosemeters and doseratemeters and for determiningtheir response as a function of beta radiation energy

工业自动化仪表盘、柜、台、箱

Panel，cabinet，console and case for industrial-process measurement and control equipment

费率和负荷控制用电子式纹波控制接收机

Electronic ripple control receiver for tariff and load control

电测量仪器 X-t记录仪 第2部分:推荐的附加试验方法

Electrical measuring instruments--X-t recorders--Part 2:Recommended additional test methods

电测量仪器 X-t记录仪 第1部分:定义和要求

Electrical measuring instruments--X-t recorders--Part 1:Definitions and requirements

几何光学术语、符号

Vocabulary and character for geometrical optics

电阻温度计用铂丝

Platinum wires for resistance thermometers

极限与配合 公差带和配合的选择

Limits and fits--Selection of tolerancezones and fits

形状和位置公差 基准和基准体系

Geometrical tolerancing--Datums and datum system