Browse Standards

1496+ standards in database

1496 result(s) found

GB/T 34831-2017 Active

纳米技术 贵金属纳米颗粒电子显微镜成像 高角环形暗场法

Nanotechnologies—Electron microscopy imaging of noble metal nanoparticles—High angle annular dark field imaging method

ICS: 17.180.01
2018-05-01
GB/T 34828-2017 Active

声学 自由场环境评定测试方法

Acoustics—Test methods for the qualification of free-field environments

ICS: 17.140.01
2018-05-01
GB/T 33523.2-2017 Active

产品几何技术规范(GPS) 表面结构 区域法 第2部分:术语、定义及表面结构参数

Geometrical product specifications (GPS)—Surface texture:Areal—Part 2: Terms, definitions and surface texture parameters

ICS: 17.040.20
2018-05-01
GB/T 25102.8-2017 Active

电声学 助听器 第8部分:模拟实际工作条件下的助听器性能测量方法

Electroacoustics—Hearing aids—Part 8: Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions

ICS: 17.140.50
2018-05-01
GB/T 25102.6-2017 Active

电声学 助听器 第6部分:助听器输入电路的特性

Electroacoustic—Hearing aids—Part 6: Characteristics of electrical input circuits for hearing aids

ICS: 17.140.50
2018-05-01
GB/T 22159.5-2017 Active

声学与振动 弹性元件振动-声传递特性实验室测量方法 第5部分:弹性支撑件低频平动动刚度的驱动点测量方法

Acoustics and vibration—Laboratory measurement of vibro-acoustic transfer properties of resilient elements—Part 5: Driving point method for determination of the low-frequency transfer stiffness of resilient supports for translatory motion

ICS: 17.140
2018-05-01
GB/T 22159.4-2017 Active

声学与振动 弹性元件振动-声传递特性实验室测量方法 第4部分:弹性非支撑件平动动刚度

Acoustics and vibration―Laboratory measurement of vibro-acoustic transfer properties of resilient elements―Part 4: Dynamic stiffness of elements other than resilient supports for translatory motion

ICS: 17.140
2018-05-01
GB/T 20441.6-2017 Active

电声学 测量传声器 第6部分:用于测定频率响应的静电激励器

Electroacoustics—Measurement microphones—Part 6: Electrostatic actuators for determination of frequency response

ICS: 17.140.50
2018-05-01
GB/T 1958-2017 Active

产品几何技术规范(GPS) 几何公差 检测与验证

Geometrical Product Specifications(GPS)—Geometrical tolerance—Verification

ICS: 17.040.10
2018-05-01
GB/T 16857.5-2017 Active

产品几何技术规范(GPS) 坐标测量机的验收检测和复检检测 第5部分:使用单探针或多探针接触式探测系统的坐标测量机

Geometrical product specifications(GPS)—Acceptance and reverification tests for coordinate measuring machines (CMM)—Part 5:CMMs using single or multiple stylus contacting probing systems

ICS: 17.040.30
2018-05-01
GB/T 16857.2-2017 Active

产品几何技术规范(GPS) 坐标测量机的验收检测和复检检测 第2部分: 用于测量线性尺寸的坐标测量机

Geometrical product specifications (GPS)—Acceptance and reverification tests for coordinate measuring machines (CMM)—Part 2: CMMs used for measuring linear dimensions

ICS: 17.040.30
2018-05-01
GB/T 14366-2017 Active

声学 噪声性听力损失的评估

Acoustics—Estimation of noise-induced hearing loss

ICS: 17.140
2018-05-01
GB/T 12060.16-2017 Active

声系统设备 第16部分:通过语音传输指数客观评价言语可懂度

Sound system equipment—Part 16: Objective rating of speech intelligibility by speech transmission index

ICS: 17.140
2018-05-01
GB/T 7721-2017 Active

连续累计自动衡器(皮带秤)

Continuous totalizing automatic weighing instruments(belt weighers)

ICS: 17.100
2018-07-01
GB/T 6414-2017 Abolished

铸件 尺寸公差、几何公差与机械加工余量

Castings—Dimensional tolerances and geometrical tolerances and machining allowances

ICS: 17.040.10
2017-12-29
GB/T 4214.1-2017 Active

家用和类似用途电器噪声测试方法 通用要求

Test method for noise of household and similar electrical appliances—General requirements

ICS: 17.140.20
2018-07-01
GB/T 3768-2017 Active

声学 声压法测定噪声源声功率级和声能量级 采用反射面上方包络测量面的简易法

Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane

ICS: 17.140
2018-04-01
GB/T 35698.1-2017 Active

短路电流效应计算 第1部分:定义和计算方法

Calculation of effects of short-circuit currents—Part 1: Definitions and calculation methods

ICS: 17.220.01
2018-07-01
GB/T 35680-2017 Active

液体材料微波频段使用开口同轴探头的电磁参数测量方法

Measuring method for electromagnetic parameters of liquid materials at microwave frequencies using an open-ended coaxial probe

ICS: 17.240
2018-07-01
GB/T 35674-2017 Active

电磁屏蔽用全方位导电海绵通用技术要求

General technical requirements for electromagnetic shielding all-round conductive foam

ICS: 17.220.99
2018-07-01
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