Browse Standards
1579+ standards in database
1579 result(s) found
评定变色用灰色样卡
Gray scale for assessing change in colour
声学 声压法测定噪声源声功率级 反射面上方采用包络测量表面的简易法
Acoustics--Determination of sound power levels of noise sources using sound pressure--Survey method using an enveloping measurement surface over a reflecting plane
形状和位置公差 最大实体要求、最小实体要求和可逆要求
Geometrical tolerancing--Maximum material requirement,least material requirement and reciprocityrequirement
公差原则
Tolerancing principle
形状和位置公差 通则、定义、符号和图样表示法
Geometrical tolerancing--Generalities,definitions,symbols,indications on drawings
热电偶 第2部分:允差
Thermocouples--Part 2:Tolerances
几何量测量器具术语 产品术语
Glossary of terms used in dimensional measuring instruments--Product terms
几何量测量器具术语 基本术语
Glossary of terms used in dimensional measuring instruments--General terms
声学 户外声传播的衰减 第2部分:一般计算方法
Acoustics--Attenuation ofsound during propagation outdoors--Part 2:General method of calculation
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力级
Acoustics--Reference zero for the calibration of audiometric equipment--Part 3:Reference equivalent threshold force levels for pure tones and bone vibrators
产品几何技术规范 表面结构 轮廓法评定表面结构的规则和方法
GeometricalProduct Specifications(GPS)--Surface texture:Profile method--Rules and procedures for the assessment of surface texture
功能量规
Functional gauges
旋转机械转轴径向振动的测量和评定 第3部分:耦合的工业机器
Mechanical vibration of non-reciprocating machines--Measurements on rotating shafts and evaluation criteria--Part 3:Coupled industrial machines
在非旋转部件上测量和评价机器的机械振动 第1部分:总则
Mechanical vibration--Evaluation of machine vibration by measurements on non-rotating parts--Part 1:General guidelines
极限与配合 公差带和配合的选择
Limits and fits--Selection of tolerancezones and fits
极限与配合 标准公差等级和孔、轴的极限偏差表
Limits and fits--Tables of standard tolerance grades and limit deviations for holes and shafts
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
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