Browse Standards

交流1000V和直流1500V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5部分：对地阻抗

Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 5: Resistance to earth

交流1000V和直流1500V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4部分：接地电阻和等电位接地电阻

Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding

交流1000V和直流1500V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3部分：环路阻抗

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance

交流1000V和直流1500V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2部分：绝缘电阻

Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistance

交流1000V和直流1500V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1部分：通用要求

Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 1: General requirements

机械振动 在非旋转部件上测量评价机器的振动 第2部分：50MW以上，额定转速1500 r/min、1800 r/min、3000 r/min、3600 r/min陆地安装的汽轮机和发电机

Mechanical vibration - Evaluation of machine vibration by measurements on non-rotating parts - Part 2: Land-based steam turbines and generators in excess of 50MW with normal operating speeds of 1500r/min，1800r/min，3000r/min and 3600r/min

机械振动 在非旋转部件上测量评价机器的振动 第1部分：总则

Mechanical vibration - Evaluation of machine vibration by measurements on non-rotating parts - Part 1: General guidelines

家用和类似用途电器噪声测试方法 滚筒式干衣机的特殊要求

Household and similar electrical appliances - Test code for determination of airborne acoustical noise - Particular requirements for tumble dryers

机械振动 大中型转子现场平衡的准则和防护

Mechanical vibration - Criteria and safeguards for the in-situ balancing of medium and large rotors

机械振动 船舶振动测量 第3部分：船上设备安装前的振动测量

Mechanical vibration - Measurement of vibration on ships - Part 3: Pre-installation vibration measurement of shipboard equipment

机械振动 在旋转轴上测量评价机器的振动 第2部分：功率大于50MW,额定工作转速1500 r/min、1800 r/min、3000 r/min、3600 r/min陆地安装的汽轮机和发电机

Mechanical vibration - Evaluation of machines vibration by measurements on rotating shafts - Part 2: Land-based steam turbine - generators in excess of 50MW with normal operating speeds of 1500r/min，1800r/min，3000r/min and 3600r/min

机械振动与冲击 人体暴露于全身振动的评价 第4部分：振动和旋转运动对固定导轨运输系统中的乘客及乘务员舒适影响的评价指南

Mechanical vibration and shock - Evaluation of human exposure to whole-body vibration - Part 4: Guidelines for the evaluation of the effects of vibration and rotational motion on passenger and crew comfort in fixed-guideway transport systems

活细胞样品纳米结构的磁驱动轻敲模式原子力显微镜检测方法

Testing method of magnetic lightly-striking mode atomic force microscope for nanotopography of living cells

社区能源计量抄收系统规范 第3部分：专用应用层

Society energy metering for reading system specification - Part 3: Dedicated application layer

社区能源计量抄收系统规范 第2部分：物理层与链路层

Society energy metering for reading system specification - Part 2: Physical and link layer

声学 低噪声工作场所设计指南 第3部分：工作间内的声传播和噪声预测

Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 3: Sound propagation and noise prediction in workrooms

纳米颗粒生物形貌效应的环境扫描电子显微镜检测方法通则

General guide of environmental scanning electron microscopy for biological effects on topography induced by nanoparticles

液体闪烁计数器

Liquid-scintillation counting system

放射性活度计

Radioactivity meter

γ放射免疫计数器

Gamma radioimmunoassay counter