Browse Standards

纳米技术 透射电子显微术测量纳米颗粒粒度及形状分布

Nanotechnologies—Measurements of particle size and shape distributions by transmission electron microscopy

数字指示轨道衡

Digital indication rail-weighbridges

交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第11部分：TT、TN和IT系统中剩余电流监视器（RCM）的有效性

Electrical safety in low voltage distribution systems up to 1000V AC and 1500V DC—Equipment for testing, measuring or monitoring of protective measures—Part 11: Effectiveness of residual current monitors（RCM）in TT, TN and IT systems

纳米技术 微区表面及亚表面表征 光学暗场共焦显微法

Nanotechnologies—Characterization of micro surface and sub surface—Optical dark-field confocal microscopy

交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第12部分：电量测量和监视装置（PMD）

Electrical safety in low voltage distribution systems up to 1000V AC and 1500V DC—Equipment for testing, measuring or monitoring of protective measures—Part 12: Power metering and monitoring devices (PMD)

电测量设备 通用要求、试验和试验条件 第41部分：多电能和多费率仪表的电能计度方法和要求

Electricity metering equipment—General requirements, tests and test conditions—Part 41：Energy registration methods and requirements for multi-energy and multi-rate meters

光电测量 智能操控类激光雷达主要参数测试方法

Opto-electronic measurement—Test methods for main parameters of LiDAR in intelligent operation

易腐食品冷藏链温度检测方法

Temperature measurement method in perishable foods cold chain

声学 道路表面对交通噪声影响的测量 第2部分：近距法

Acoustics—Measurement of the influence of road surfaces on traffic noise—Part 2: The close-proximity method

产品几何技术规范（GPS） 表面结构：区域法 第600部分：区域形貌测量方法的计量特性

Geometrical product specifications (GPS)—Surface texture: Areal—Part 600: Metrological characteristics for areal topography measuring methods

产品几何技术规范（GPS） X射线三维尺寸测量机 第4部分：测量不确定度评定

Geometrical product specifications (GPS)—X-ray three dimensional size measuring machines—Part 4: Evaluation of uncertainty in measurement

产品几何技术规范（GPS） X射线三维尺寸测量机 第1部分：词汇

Geometrical product specifications (GPS)—X-ray three dimensional size measuring machines—Part 1: Vocabulary

剩余电阻比测量 谐振腔级铌超导体剩余电阻比测量

Residual resistance ratio measurement—Residual resistance ratio of cavity-grade Nb superconductors

供水管网水锤监测系统通用技术要求

General technical requirements of water hammer monitoring system for water supply system

柴油润滑性评定用高频往复试验机

The high-frequency reciprocating rig for diesel fuel assessment of lubricity

星敏感器通用规范

General specification for star sensor

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