Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 4325.21-2013 |
Methods for chemical analysis of molybdenum - Part 21: Determination of carbon content and sulfur content - High frequency combustion-infrared absorption method 钼化学分析方法 第21部分：碳量和硫量的测定 高频燃烧红外吸收法 |
China National Standards frequency, |
 English PDF |
| GB/T 29486-2013 |
Adjustable frequency converter for household and similar use - Terminology 家用和类似用途变频控制器 术语 |
China National Standards frequency, |
English PDF |
| GB/T 4324.27-2012 |
Methods for chemical analysis of tungsten - Part 27:：Determination of carbon content - High frequency combustion-infrared absorption method 钨化学分析方法 第27部分：碳量的测定 高频燃烧红外吸收法 |
China National Standards frequency, |
English PDF |
| GB/T 4324.23-2012 |
Methods for chemical analysis of tungsten - Part 23: Determination of sulfur content - The combustion-conductometric titration and high frequency combustion-infrared absorption method 钨化学分析方法 第23部分：硫量的测定 燃烧电导法和高频燃烧红外吸收法 |
China National Standards frequency, |
English PDF |
| GB/T 29102-2012 |
Road traffic information service - Traffic information via frequency modulation sub-carrier 道路交通信息服务 通过调频数据广播发布的道路交通信息 |
China National Standards frequency, |
English PDF |
| GB/T 29272-2012 |
Information technology - Radio frequency identification device performance test methods - Test methods for system performance 信息技术 射频识别设备性能测试方法 系统性能测试方法 |
China National Standards frequency, |
English PDF |
| GB/T 29266-2012 |
Radio frequency identification - 13.56MHz Tag basic electrical characteristics 射频识别 13.56MHz标签基本电特性 |
China National Standards frequency, |
English PDF |
| GB/T 29261.3-2012 |
Information technology - Automatic identification and data capture (AIDC）techniques - Vocabulary - Part 3: Radio-frequency identification 信息技术 自动识别和数据采集技术 词汇 第3部分：射频识别 |
China National Standards frequency, |
English PDF |
| GB/T 21972.2-2012 |
Specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications - Part 2: YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications(cool 起重及冶金用变频调速三相异步电动机技术条件 第2部分：YZP系列起重及冶金用变频调速三相异步电动机（轴流风机冷却） |
China National Standards frequency, |
English PDF |
| GB/T 15151-2012 |
General specification of frequency counter 频率计数器通用规范 |
China National Standards frequency, |
English PDF |
| GB/T 14618-2012 |
frequency sharing criteria between line-of-sight radio-relay communications systems and space radio communications systems 视距微波接力通信系统与空间无线电通信系统共用频率的技术要求 |
China National Standards frequency, |
English PDF |
| GB/T 12498-2012 |
Generic specification of rubidium frequency standard 铷原子频率标准通用规范 |
China National Standards frequency, |
English PDF |
| GB/T 11313.10-2012 |
Radio-frequency connectors - Part 10：Sectional specification - SMB series R.F. coaxial connectors 射频连接器 第10部分：SMB系列射频同轴连接器分规范 |
China National Standards frequency, |
English PDF |
| GB/T 28926-2012 |
Information technology - Radio frequency identification - Conformance test methods for air interface at 2.45GHz 信息技术 射频识别 2.45GHz空中接口符合性测试方法 |
China National Standards frequency, |
English PDF |
| GB/T 28925-2012 |
Information technology - Radio frequency identification - Air interface protocol at 2.45 GHz 信息技术 射频识别 2.45GHz空中接口协议 |
China National Standards frequency, |
English PDF |
| GB/T 28562-2012 |
Specification for YVF series variable frequency high voltage three-phase induction motors (Frame size 355-630) YVF系列变频调速高压三相异步电动机技术条件（机座号355～630） |
China National Standards frequency, |
English PDF |
| GB/T 28556-2012 |
Flameproof and intrinsically safe controller with frequency converter for coalmine ventilation fan 煤矿通风机用隔爆兼本质安全型变频调速控制器 |
China National Standards frequency, |
English PDF |
| GB/T 28446.1-2012 |
Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - Human models, instrumentation, and procedures - Part 1: Procedure to determine the specific absorption rate (SAR) for hand-held devices used in close 手持和身体佩戴使用的无线通信设备对人体的电磁照射 人体模型、仪器和规程 第1部分：靠近耳边使用的手持式无线通信设备的SAR评估规程（频率范围300MHz～3GHz） |
China National Standards frequency, |
English PDF |
| GB/T 28434-2012 |
Technical requirements and measurement methods of digital terrestrial television broadcasting single frequency network adapter 地面数字电视广播单频网适配器技术要求和测量方法 |
China National Standards frequency, |
English PDF |
| GB/T 28433-2012 |
Technical requirements for single frequency network of digital terrestrial television broadcasting 地面数字电视广播单频网技术要求 |
China National Standards frequency, |
English PDF |
| GB/T 28432-2012 |
Planning criteria for single frequency networks of digital terrestrial television broadcasting 地面数字电视广播单频网规划准则 |
China National Standards frequency, |
English PDF |
| GB/T 17147-2012 |
Measurement of audio-frequency noise voltage level in sound broadcasting 声音广播中音频噪声电平的测量 |
China National Standards frequency, |
English PDF |
| GB/T 16935.4-2011 |
Insulation coordination for equipment within low-voltage systems - Part 4: Consideration of high-frequency voltage stress 低压系统内设备的绝缘配合 第4部分：高频电压应力考虑事项 |
China National Standards frequency, |
English PDF |
| GB/T 12060.9-2011 |
Sound system equipment - Part 9: Methods of measurement for artificial reverberation, time delay and frequency shift equipment 声系统设备 第9部分：人工混响、时间延迟和移频装置测量方法 |
China National Standards frequency, |
English PDF |
| GB/T 27603-2011 |
Measurement of radiofrequency impedance for industrial electric detonator 工业电雷管射频阻抗测定 |
China National Standards frequency, |
English PDF |
| GB/T 27602-2011 |
Measurement of radiofrequency sensitivity for industrial electric detonator 工业电雷管射频感度测定 |
China National Standards frequency, |
English PDF |
| GB/T 26934-2011 |
Freight containers-radio frequency identification-license plate tag 集装箱电子标签技术规范 |
China National Standards frequency, |
English PDF |
| GB/T 26962-2011 |
Specifications for high-frequency electromagnetic field comprehensive water treatment device 高频电磁场综合水处理器技术条件 |
China National Standards frequency, |
English PDF |
| GB/T 26830-2011 |
Non-destructive testing instruments - High frequency constant potential X-ray equipment 无损检测仪器 高频恒电位工业X射线探伤机 |
China National Standards frequency, |
English PDF |
| GB/T 26697-2011 |
Low-frequency square wave electronic ballasts for metal halide lamps 金卤灯用低频方波电子镇流器 |
China National Standards frequency, |
English PDF |
| GB/T 26692-2011 |
Frequency-flick-free a.c. supplied electronic ballasts for tubular fluorescent lamps - Performance requirements 管形荧光灯用无频闪电子镇流器 性能要求 |
China National Standards frequency, |
English PDF |
| GB/T 26252-2010 |
frequency planning criteria for digital terrestrial television broadcasting in the VHF/UHF bands VHF/UHF频段地面数字电视广播频率规划准则 |
China National Standards frequency, |
English PDF |
| GB/T 26196-2010 |
Fireworks and firecrackers - Determination of carbon content in pyrotechnic compositions - High frequency-infrared absorption method 烟花爆竹 烟火药中碳含量的测定 高频-红外吸收法 |
China National Standards frequency, |
English PDF |
| GB/T 3769-2010 |
Electroacoustics - Scales and sizes for plotting frequency characteristics and polar diagrams 电声学 绘制频率特性图和极坐标图的标度和尺寸 |
China National Standards frequency, |
English PDF |
| GB/T 25386.2-2010 |
Wind turbine generator system - Variable speed constant frequency control system - Part 2: Test method 风力发电机组 变速恒频控制系统 第2部分：试验方法 |
China National Standards frequency, |
English PDF |
| GB/T 25386.1-2010 |
Wind turbine generator system variable speed constant frequency control system - Part 1: Technical condition 风力发电机组 变速恒频控制系统 第1部分：技术条件 |
China National Standards frequency, |
English PDF |
| GB/T 13029.3-2010 |
Marine cable - Choice and installation of telecommunication cables and radio-frequency cables 船用电缆 通信电缆和射频电缆的选择和敷设 |
China National Standards frequency, |
English PDF |
| GB/T 24689.2-2009 |
Equipment for crop protection - frequency oscillation pest-killing light trap 植物保护机械 频振式杀虫灯 |
China National Standards frequency, |
English PDF |
| GB 9706.4-2009 |
Medical electrical equipment - Part 2-2: Particular requirements for the safety 0f high frequency surgical equipment 医用电气设备 第2-2部分：高频手术设备安全专用要求 |
China National Standards frequency, |
English PDF |
| GB/T 9334-2009 |
Electrical installation in ships - Shipboard telecommunication cables and radio-frequency cables - Shipboard flexible coaxial cables 船舶电气设备 船用通信电缆和射频电缆 船用同轴软电缆 |
China National Standards frequency, |
English PDF |
| GB/T 9333-2009 |
Electrical installation in ships - Shipboard telecommunication cables and radio-frequency cables - General instrumentation, control and communication cables 船舶电气设备 船用通信电缆和射频电缆 一般仪表、控制和通信电缆 |
China National Standards frequency, |
English PDF |
| GB/T 22712-2008 |
Specification for G series cooling fans applying to variable frequency motors 变频电机用G系列冷却风机技术规范 |
China National Standards frequency, |
English PDF |
| GB/T 23146-2008 |
Calculation of frequency of twelve-tone equal temperament and cent 十二平均律的频率与音分的计算 |
China National Standards frequency, |
English PDF |
| GB/T 22906.8-2008 |
Testing of cores - Part 8: Determination of natural frequency and flexural modulus by experimental modal analysis 纸芯的测定 第8部分：固有频率和弹性模量的测定（试验模型分析法） |
China National Standards frequency, |
English PDF |
| GB/T 22264.4-2008 |
Mounted digital display electric measuring instruments - Part 4: Special requirements for frequency meters 安装式数字显示电测量仪表 第4部分：频率表的特殊要求 |
China National Standards frequency, |
English PDF |
| GB/T 10066.9-2008 |
Test methods for electroheat installtions - Part 9: The determination of power output for High-frequency dielectric heating installation 电热装置的试验方法 第9部分：高频介质加热装置输出功率的测定 |
China National Standards frequency, |
English PDF |
| GB 5959.9-2008 |
Safety in electroheat installations - Part 9: Particular requirements for high-frequency dielectric heating installations 电热装置的安全 第9部分：对高频介质加热装置的特殊要求 |
China National Standards frequency, |
English PDF |
| GB/T 22334-2008 |
Radio-frequency identification of animals - Technical concept 动物射频识别 技术准则 |
China National Standards frequency, |
English PDF |
| GB/T 4854.5-2008 |
Acoustics - Reference zero for the calibration of audiometric equipment- Part 5: Reference equivalent threshold sound pressure levels for pure tone in the frequency range 8 kHz to 16 kHz 声学 校准测听设备的基准零级 第5部分：8kHz-16kHz频率范围纯音基准等效阈声压级 |
China National Standards frequency, |
English PDF |
| GB/T 15945-2008 |
Power quality - frequency deviation for power system 电能质量 电力系统频率偏差 |
China National Standards frequency, |
English PDF |
| GB/T 21972.1-2008 |
Technical specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical application - Part 1:YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applicati 起重及冶金用变频调速三相异步电动机技术条件 第1部分：YZP系列起重及冶金用变频调速三相异步电动机 |
China National Standards frequency, |
English PDF |
| GB/T 21969-2008 |
Technical specification for YGP series variable-frequency adjustable-speed shree-phase induction motors for roll table application YGP系列辊道用变频调速三相异步电动机技术条件 |
China National Standards frequency, |
English PDF |
| GB/T 17626.6-2008 |
Electromagnetic compatibility - Testing and measurement techniques - Immunity to conducted disturbances, induced by radio-frequency fields 电磁兼容 试验和测量技术 射频场感应的传导骚扰抗扰度 |
China National Standards frequency, |
English PDF |
| GB/T 21707-2008 |
Insulation specification for variable frequency adjustable speed definite purpose converter-fed three-phase induction motors 变频调速专用三相异步电动机绝缘规范 |
China National Standards frequency, |
English PDF |
| GB/T 6150.4-2008 |
Methods for chemical analysis of tungsten concentrates - Determination of sulfur content - The high frequency-infrared absorption method 钨精矿化学分析方法 硫量的测定 高频红外吸收法 |
China National Standards frequency, |
English PDF |
| GB/T 21407-2008 |
Doubly fed variable speed constant frequency wind turbine 双馈式变速恒频风力发电机组 |
China National Standards frequency, |
English PDF |
| GB/T 8586-2007 |
The technical requirements of operational frequency distribution and anti-interference of sound for fishfinders 探鱼仪工作频率分配及其防止声波干扰技术条件 |
China National Standards frequency, |
English PDF |
| GB/T 10066.31-2007 |
Test methods for electroheat installtions - Part 31: High-frequency induction heating installation- Test methods for the determination of power output of the generator 电热装置的试验方法 第31部分：高频感应加热装置发生器输出功率的测定 |
China National Standards frequency, |
English PDF |
| GB/T 15157.14-2007 |
Connectors for frequencies below 3 MHz for use with printed boards - Part 14: Detail specification for circular connectors for low-frequency audio and video applications such as audio, video and audio-visual equipment 频率低于3MHz的印制板连接器 第14部分: 音频、视频和音像设备用低音频及视频圆形连接器详细规范 |
China National Standards frequency, |
English PDF |
| GB/T 11313.4-2007 |
Radio-frequency connecters. - Part 4: R.F.coaxial connectors with inner diameter of outer conductor 16mm(0.63in) with screw lock - Characteristic impedance 50 ohms (Type 7-16) 射频连接器 第4部分：外导体内径为16mm(0.63in)、特性阻抗为50Ω、螺纹连接的射频同轴连接器(7-16型) |
China National Standards frequency, |
English PDF |
| GB/T 11313.2-2007 |
Radio-frequency connectors - Part 2: Sectional specification - Radio frequency coaxial connectors for type 9.52 射频连接器 第2部分: 9.52型射频同轴连接器分规范 |
China National Standards frequency, |
English PDF |
| GB/T 3926-2007 |
Rated voltages for medium frequency equipment 中频设备额定电压 |
China National Standards frequency, |
English PDF |
| GB/T 17626.16-2007 |
Electromagnetic compatibility - Testing and measurement techniques - Test for immunity to conducted，common mode disturbances in the frequency range 0Hz to 150kHz 电磁兼容 试验和测量技术 0Hz～150kHz共模传导骚扰抗扰度试验 |
China National Standards frequency, |
English PDF |
| GB/T 14598.19-2007 |
Electrical relays - Part 22-7: Electrical disturbance tests for measuring relays and protection equipment - Power frequency immunity tests 电气继电器 第22-7部分：量度继电器和保护装置的电气骚扰试验-工频抗扰度试验 |
China National Standards frequency, |
English PDF |
| GB/T 17626.3-2006 |
Electromagnetic compatibility - Testing and measurement techniques - Radiated,radio-frequency, electromagnetic field immunity test 电磁兼容 试验和测量技术 射频电磁场辐射抗扰度试验 |
China National Standards frequency, |
English PDF |
| GB/T 17626.8-2006 |
Electromagnetic compatibility(EMC) - Part 4-8: Testing and measurement techniques - Power frequency magnetic field immunity test 电磁兼容 试验和测量技术 工频磁场抗扰度试验 |
China National Standards frequency, |
English PDF |
| GB/T 17626.28-2006 |
Electromagnetic compatibility(EMC) - Testing and measurement techniques - Variation of power frequency,immunity test 电磁兼容 试验和测量技术 工频频率变化抗扰度试验 |
China National Standards frequency, |
English PDF |
| GB/T 17626.13-2006 |
Electromagnetic compatibility（EMC) - Testing and measurement techniques - Harmonics and interharmonics including mains signalling at a.c.power port,low frequency immunity test 电磁兼容 试验和测量技术 交流电源端口谐波、谐间波及电网信号的低频抗扰度试验 |
China National Standards frequency, |
English PDF |
| GB/T 20563-2006 |
Radio-frequency identification of animals - Code structure 动物射频识别 代码结构 |
China National Standards frequency, |
English PDF |
| GB/T 8647.9-2006 |
The methods for chemical analysis of nickel - Determination of carbon content - Infra-red absorption method after high frequency induction furnace combustion 镍化学分析方法 碳量的测定 高频感应炉燃烧红外吸收法 |
China National Standards frequency, |
English PDF |
| GB/T 8647.8-2006 |
The methods for chemical analysis of nickel - Determination of sulphur content - Infra-red absorption method after high frequency induction furnace combustion 镍化学分析方法 硫量的测定 高频感应炉燃烧红外吸收法 |
China National Standards frequency, |
English PDF |
| GB/T 11313.36-2006 |
Radio-frequency connectors - Part 36: Microminiature r.f. coaxial connectors with snap-on coupling - Characteristic impedance 50 Ohms (Type MCX) 射频连接器 第36部分：特性阻抗为50Ω的搭锁连接微小型射频同轴连接器（MCX型） |
China National Standards frequency, |
English PDF |
| GB/T 1695-2005 |
Rubber,vulcanized -- Determination of electrical breakdown strength and voltage resistant at commercial power frequency 硫化橡胶 工频击穿电压强度和耐电压的测定方法 |
China National Standards frequency, |
English PDF |
| GB/T 14598.17-2005 |
Electrical relay-Part 22-6：Electrical disturbance tests for measuring relays and protection equipment-Immunity to conducted disturbances induced by radio frequency fields 电气继电器 第22-6部分：量度继电器和保护装置的电气骚扰试验-射频场感应的传导骚扰的抗扰度 |
China National Standards frequency, |
English PDF |
| GB/T 6730.61-2005 |
Iron ores-Determination of carbon and sulfur content-High frequency combustion with infrared absorption method 铁矿石 碳和硫含量的测定 高频燃烧红外吸收法 |
China National Standards frequency, |
English PDF |
| GB/T 4857.7-2005 |
Packaging-Basic tests for transport packages-Part 7:Sinusoidal vibration test method at constant frequency 包装 运输包装件基本试验 第7部分:正弦定频振动试验方法 |
China National Standards frequency, |
English PDF |
| GB/T 4857.10-2005 |
Packaging-Basic tests for transport packages-Part 10:Sinusoidal vibration test method using at variable vibration frequency 包装 运输包装件基本试验 第10部分:正弦变频振动试验方法 |
China National Standards frequency, |
English PDF |
| GB/Z 18039.6-2005 |
Electromagnetic compatibility-environment-low frequency magnetic fields in various environments 电磁兼容 环境 各种环境中的低频磁场 |
China National Standards frequency, |
English PDF |
| GB/T 1819.10-2004 |
Methods for chemical analysis of tin concentrates--Determination of sulphur content--The high frequency infrared absorption method and the combustion potassium iodate titrimetric method 锡精矿化学分析方法 硫量的测定 高频红外吸收法和燃烧-碘酸钾滴定法 |
China National Standards frequency, |
English PDF |
| GB/Z 18039.5-2003 |
Electromagnetic compatibility--Environment--Electromagnetic environment for low-frequency conducted disturbances and signalling in public power supply systems 电磁兼容 环境 公用供电系统低频传导骚扰及信号传输的电磁环境 |
China National Standards frequency, |
English PDF |
| GB/T 18039.4-2003 |
Electromagnetic compatibility--Environment--Compatibility levels in industrial plants for low-frequency conducted disturbances 电磁兼容 环境 工厂低频传导骚扰的兼容水平 |
China National Standards frequency, |
English PDF |
| GB/T 18039.3-2003 |
Electromagnetic compatibility--Environment--Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems 电磁兼容 环境 公用低压供电系统低频传导骚扰及信号传输的兼容水平 |
China National Standards frequency, |
English PDF |
| GB/T 18909-2002 |
Sectional specification for high-frequency inductors and intermediate frequency transformers for use in electronic equipment for capability approval 按能力批准评定质量的电子设备用高频电感器和中频变压器分规范 |
China National Standards frequency, |
English PDF |
| GB/T 18897-2002 |
Performance requirements and test methods for Doppler very high frequency omnidirectional radio range 多普勒甚高频全向信标性能要求和测试方法 |
China National Standards frequency, |
English PDF |
| GB/T 507-2002 |
Insulating liquids--Determination of the breakdown voltage at power frequency 绝缘油 击穿电压测定法 |
China National Standards frequency, |
English PDF |
| GB/T 4988-2002 |
Ratings of frequency，voltage and current of electric products for ships and offshore units 船舶和近海装置用电工产品的额定频率 额定电压 额定电流 |
China National Standards frequency, |
English PDF |
| GB/T 12668.2-2002 |
Adjustable speed electrical power drive systems--Part 2:General requirements--Rating specifications for low voltage adjustable frequency a.c. power drive systems 调速电气传动系统 第2部分:一般要求 低压交流变频电气传动系统额定值的规定 |
China National Standards frequency, |
English PDF |
| GB 18555-2001 |
Occupational exposure limit for high frequency field in the work environment 作业场所高频电磁场职业接触限值 |
China National Standards frequency, |
English PDF |
| GB/T 18501.2-2001 |
Connectors for use in d.c.，low-frequency analogue and digital high speed data spplications--Part 2:Circular connectors with assessed quality--Sectional specification 直流和低频模拟及数字式高速数据处理设备用连接器 第2部分:有质量评定的圆形连接器分规范 |
China National Standards frequency, |
English PDF |
| GB/T 18501.1-2001 |
Connectors with assessed quality，for use in d.c.，low frequency analogue and in digital high speed data applications--Part 1:Generic specification 有质量评定的直流和低频模拟及数字式高速数据处理设备用连接器 第1部分:总规范 |
China National Standards frequency, |
English PDF |
| GB/T 17737.3-2001 |
Radio frequency cables--Part 3:Sectional specification for coaxial cables for local area networks 射频电缆 第3部分:局域网用同轴电缆分规范 |
China National Standards frequency, |
English PDF |
| GB/T 11313.33-2001 |
Radio-frequency connectors--Part 33:Sectional specification for series BMA r.f.connectors 射频连接器 第33部分:BMA系列射频连接器分规范 |
China National Standards frequency, |
English PDF |
| GB/T 17737.2-2000 |
Radio-frequency cables--Part 2:Sectional specification for semi-rigid radio-frequency and coaxial cables with polytetrafluoroethylene(PTFE) insulation 射频电缆 第2部分:聚四氟乙烯(PTFE)绝缘半硬射频同轴电缆分规范 |
China National Standards frequency, |
English PDF |
| GB/T 18213-2000 |
Guide to the calculation of resistance of plain and coated copper conductor of low-frequency cables and wires 低频电缆和电线无镀层和有镀层铜导体电阻计算导则 |
China National Standards frequency, |
English PDF |
| GB/Z 18039.2-2000 |
Electromagneticcompatibility -- Environment --Assessment of the emission levels in the power supply of industrial plants as regards low-frequency conducted disturbances 电磁兼容 环境 工业设备电源低频传导骚扰发射水平的评估 |
China National Standards frequency, |
English PDF |
| GB/T 4130-2000 |
Acoustics--Low frequency calibration methods of hydrophones 声学 水听器低频校准方法 |
China National Standards frequency, |
English PDF |
| GB/T 18022-2000 |
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 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 |
China National Standards frequency, |
English PDF |
| GB/T 17960-2000 |
Information technology--Data interchange on 90 mm flexible disk cartridges using modified frequency modulation recording at 31 831 ftprad on 80 tracks on each side--GB type 303 信息技术 数据交换用90 mm改进调频制记录的位密度为31 831磁通翻转/弧度、每面80磁道的软磁盘 GB 303型 |
China National Standards frequency, |
English PDF |
| GB/T 13621-1999 |
Capacity series and radio-frequency channel arrangement and equipment main technical specifications for 100～1000 MHz radio relay communication systems 100～1000 MHz接力通信系统的容量系列波道配置及设备的主要技术要求 |
China National Standards frequency, |
English PDF |
| GB/T 11327.3-1999 |
Low-frequency telecommunication cables and wires with PVC insulation and PVC sheath--Part 3:Terminating cables in pairs 聚氯乙烯绝缘聚氯乙烯护套低频通信电缆电线 第3部分:终端电缆(对线组的) |
China National Standards frequency, |
English PDF |
| GB/T 11327.2-1999 |
Low-frequency telecommunication cable and wires with PVC insulation and PVC sheath--Part 2:Cables in pairs，triples，quads and quintuples for inside installation 聚氯乙烯绝缘聚氯乙烯护套低频通信电缆电线 第2部分:局用电缆(对线组或三线组或四线组或五线组的) |
China National Standards frequency, |
English PDF |
| GB/T 11327.1-1999 |
Low-frequency telecommunication cables and wires with PVC insulation and PVC sheath--Part 1:General test and measuring methods 聚氯乙烯绝缘聚氯乙烯护套低频通信电缆电线 第1部分:一般试验和测量方法 |
China National Standards frequency, |
English PDF |
| GB/T 17786-1999 |
frequency allocation of CATV 有线电视频率配置 |
China National Standards frequency, |
English PDF |
| GB/T 6427-1999 |
Test method for frequency temperature stability of piezoelectric ceramic vibrator 压电陶瓷振子频率温度稳定性的测试方法 |
China National Standards frequency, |
English PDF |
| GB/T 7576-1998 |
Semiconductor devices--Discrete devices--Part 7:Bipolar transistors--Section Four:Blank detail specification for case-rated bipolartransistors for high-frequency amplification 半导体器件 分立器件 第7部分:双极型晶体管 第四篇 高频放大管壳额定双极型晶体管空白详细规范 |
China National Standards frequency, |
English PDF |
| GB/T 6217-1998 |
Semiconductor devices--Discrete devices--Part 7:Bipolar transistors--Section One:Blank detail speci-fication for ambient-rated bipolar transistors for low and high frequency amplification 半导体器件 分立器件 第7部分:双极型晶体管 第一篇 高低频放大环境额定的双极型晶体管空白详细规范 |
China National Standards frequency, |
English PDF |
| GB/T 17500-1998 |
Satellite earth stations(SES)--Receive-only very small aperture terminals(VSAT) used for data distribution operating in the 11/12 GHz frequency bands 卫星地球站 工作在11/12 GHz频带下用于数据分配的只接收甚小口径终端(VSAT)技术要求 |
China National Standards frequency, |
English PDF |
| GB/T 7676.4-1998 |
Direct acting indicating analogue electrical measuring instruments and their accessories--Part 4:Special requirements for frequency meters 直接作用模拟指示电测量仪表及其附件 第4部分:频率表的特殊要求 |
China National Standards frequency, |
English PDF |
| GB/T 7341.4-1998 |
Audiometers--Part 4:Equipment for extended high-frequency audiometry 听力计 第4部分 延伸高频测听的设备 |
China National Standards frequency, |
English PDF |
| GB/T 16540-1996 |
Acoustics--Measurement and characterisation of ultrasonic fields in the frequency range 0.5MHz to 15MHz--Hydrophone method 声学 在0.5～15 MHz频率范围内的超声场特性及其测量水听器法 |
China National Standards frequency, |
English PDF |
| GB/T 7577-1996 |
Blank detail specification for case-rated bipolar transistors for low-frequency amplification 低频放大管壳额定的双极型晶体管空白详细规范 |
China National Standards frequency, |
English PDF |
| GB/T 15891-1995 |
Radio frequency cables--Part 4:Specification for superscreened cables--Section 1:General require-ments and test methods 射频电缆 第四部分:超屏蔽电缆规范 第一篇:一般要求和试验方法 |
China National Standards frequency, |
English PDF |
| GB/T 15937-1995 |
The technical regulations for frequency sharing between the broadcasting service and the mobile and fixed services in the VHF/UHF bands VHF/UHF频段广播业务与移动和固定业务频率共用技术规定 |
China National Standards frequency, |
English PDF |
| GB/T 15130.2-1995 |
Information processing--Data interchange on 90mm flexible disk cartridges using modified frequency modulation recording at15916 ftprad， on 80 tracks on each side--Part 2:Track format 信息处理 数据交换用90 mm改进调频制记录的位密度为15916磁通翻转/弧度、每面80条磁道的软磁盘 第二部分:磁道格式 |
China National Standards frequency, |
English PDF |
| GB/T 15611-1995 |
Acoustics--Calibration of high frequency hydrophone 声学 高频水听器校准 |
China National Standards frequency, |
English PDF |
| GB/T 15541-1995 |
Methods of measurement for transmitting frequency 发射频率的测量方法 |
China National Standards frequency, |
English PDF |
| GB/T 15131.3-1995 |
Information processing--Data interchange on 130mm flexible disk cartridges using modified frequency modulation recording at 13262 ftprad， on 80 tracks on each side--Part 3:Track formatB for 80 tracks 信息处理 数据交换用130 mm改进调频制记录的位密度为13262磁通翻转/弧度、每面80条磁道的软磁盘 第三部分:磁道格式B(用于80条磁道) |
China National Standards frequency, |
English PDF |
| GB/T 15131.2-1995 |
Information processing--Data interchange on 130mm flexible disk cartridges using modified frequency modulation recording at 13262 ftprad， on 80 tracks on each side--Part 2:Track format A for 77 tracks 信息处理 数据交换用130 mm改进调频制记录的位密度为13262磁通翻转/弧度、每面80条磁道的软磁盘 第二部分:磁道格式 A ( 用于77条磁道) |
China National Standards frequency, |
English PDF |
| GB/T 15523-1995 |
General specification for radio frequencymodulators of video tape recorders 录像机射频调制器通用技术条件 |
China National Standards frequency, |
English PDF |
| GB/T 13823.12-1995 |
Methods for the calibration of vibration and shock pick-ups--Resonance frequencytesting of undamped accelerometers on a steel block 振动与冲击传感器的校准方法 安装在钢块上的无阻尼加速度计共振频率测试 |
China National Standards frequency, |
English PDF |
| GB/T 15397-1994 |
Measurement methods of A-chain and B-chain electro-acoustic frequency response of motion-picture control rooms，review rooms and indoor theatres 电影录音控制室、鉴定放映室及室内影院A环、B环电声频率响应特性测量方法 |
China National Standards frequency, |
English PDF |
| GB/T 15131.1-1994 |
Information processing--Data interchange on 130mm flexible disk cartridges using modified frequency modulation recording at 13262 ftprad，on 80 tracks on each side--Part 1:Dimensional， physical and magnetic characteristics 信息处理 数据交换用130 mm改进调频制记录的位密度为13262 磁通翻转/弧度、每面80条磁道的软磁盘 第一部分:尺寸、物理性能和磁性能 |
China National Standards frequency, |
English PDF |
| GB/T 15130.1-1994 |
Information processing--Data interchange on 90mm (35in) flexible disk cartridges using modified frequency modulation recording at 15916 ftprad， on 80 tracks on each side--Part1:Dimensional， physical and magnetic characteristics 信息处理 数据交换用90 mm改进调频制记录的位密度为15916 磁通翻转/弧度、每面80条磁道的软磁盘 第一部分:尺寸、物理性能和磁性能 |
China National Standards frequency, |
English PDF |
| GB/T 14856-1993 |
Interference calculation methods of coast radiotelephone station operating in high frequency bands 海岸电台高频无线电话频道干扰的计算方法 |
China National Standards frequency, |
English PDF |
| GB/T 10067.5-1993 |
Basic specifications for electroheat installations--high frequency dielectric heating installations 电热设备基本技术条件 高频介质加热设备 |
China National Standards frequency, |
English PDF |
| GB/T 14435.3-1993 |
Frequencysharing between the broadcasting-satellite services and terrestrial services--frequency sharing between the broadcasting-satellite service(television)in one side and terrestrial broadcasting services(television)and terrestrial radio-relay system 卫星广播业务和地面业务间的频率共用 11.7～12.2 GHz和12.5～12.75 GHz卫星广播业务(电视)和地面广播业务(电视)及地面无线电中继系统间的频率共用 |
China National Standards frequency, |
English PDF |
| GB/T 14435.2-1993 |
frequency sharing between the broadcasting-satellite service and terrestrial services--Frequency sharing between the broadcasting-satellite service (television) and terrestrial broadcasting services(television) in frequency band 620～790MHz 卫星广播业务和地面业务间的频率共用 620～790 MHz卫星广播业务(电视)和地面广播业务(电视)间的频率共用 |
China National Standards frequency, |
English PDF |
| GB/T 14435.1-1993 |
frequency sharing between the broadcasting-satellite service and terrestrial services--Guide to frequency sharing between the broadcasting-satellite service (television) and terrestrial services 卫星广播业务和地面业务间的频率共用 卫星广播业务(电视)和地面业务间的频率共用导则 |
China National Standards frequency, |
English PDF |
| GB/T 14135-1993 |
High frequency symmetrical telecommunication cables with copper conductor star quads and lead sheath 铜芯星绞铅套高频对称通信电缆 |
China National Standards frequency, |
English PDF |
| GB/T 13921-1992 |
Guidelines for the evaluation of the response of occupants of fixed structures，especially buildings and off-shor structures，to low-frequency horizontal motion (0.063～1Hz) 关于固定结构特别是建筑物和海上结构的居住者对低频(0.063～1Hz)水平运动响应的评价导则 |
China National Standards frequency, |
English PDF |
| GB/T 4958.14-1992 |
Methods of measurement for equipment usedin terrestrial radio-relay systems--Part 1:Measurements common to sub-systems and simulated radio-relay systems--Section two--Measurements in the radio-frequency range 地面无线电接力系统所用设备的测量方法 第一部分:分系统和仿真无线电接力系统通用的测量 第二节 射频范围的测量 |
China National Standards frequency, |
English PDF |
| GB/T 13157-1991 |
Overall electro-acoustic frequency response for reproduction of 35mm optical sound track--Reproduction characteristics 35 mm影片光学声迹的还音电声频率响应特性 |
China National Standards frequency, |
English PDF |
| GB/T 12720-1991 |
Measurement of power-frequency electric fields 工频电场测量 |
China National Standards frequency, |
English PDF |
| GB/T 12272-1990 |
Measuring method of radio-frequency high potential withstanding voltage for radio-frequency coaxial connectors 射频同轴连接器耐射频高电位电压测试方法 |
China National Standards frequency, |
English PDF |
| GB/T 11444.3-1989 |
Transmitter， receiver and ground communication equipment used in domestic satellite communication earth stations--Technical requirements--Part 3:Equipment for television/frequency modulation 国内卫星通信地球站发射、接收和地面通信设备技术要求 第三部分:电视/ 调频设备 |
China National Standards frequency, |
English PDF |
| GB/T 11443.4-1989 |
Domestic satellite communication earth stations--General technical requirements--Part 4:Television/ frequency modulation carrier channel 国内卫星通信地球站总技术要求 第四部分:电视 /调频载波通道 |
China National Standards frequency, |
English PDF |
| GB/T 11326.4-1989 |
High frequency rural telecommunication cables with polyolefin insulation and laminated aluminium polyolefin sheath--Filled cables with copper conductors 聚烯烃绝缘铝-聚烯烃粘结护套高频农村通信电缆 铜芯填充电缆 |
China National Standards frequency, |
English PDF |
| GB/T 11326.2-1989 |
High frequency rural telecommunication cables with polyolefin insulation and laminated aluminium polyolefin sheath--Unfilled cables with copper conductors 聚烯烃绝缘铝-聚烯烃粘结护套高频农村通信电缆 铜芯非填充电缆 |
China National Standards frequency, |
English PDF |
| GB/T 11326.1-1989 |
High frequency rural telecommunication cables with polyolefin insulation and laminated aluminium polyolefin sheath--General rules 聚烯烃绝缘铝-聚烯烃粘结护套高频农村通信电缆 一般规定 |
China National Standards frequency, |
English PDF |
| GB/T 11299.9-1989 |
Methods of measurement for radio equipment used in satellite earth stations--Part 2:Measurements for sub-systems--Section seven:frequency demodulators--Section eight:Frequency demodulators 卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第七节:频率调制器 第八节:频率解调器 |
China National Standards frequency, |
English PDF |
| GB 10437-1989 |
Hygienic standard for ultra high frequency radiation in the work environment 作业场所超高频辐射卫生标准 |
China National Standards frequency, |
English PDF |
| GB/T 4958.6-1988 |
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section five--frequency demodulators 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第五节 频率解调机 |
China National Standards frequency, |
English PDF |
| GB/T 4958.5-1988 |
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section four--frequency modulators 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第四节 频率调制机 |
China National Standards frequency, |
English PDF |
| GB/T 8578-1988 |
Intermediate frequency of FM receivers 调频接收机中间频率 |
China National Standards frequency, |
English PDF |
| GB/T 3320.1-1987 |
frequency response test record 频率响应测试唱片 |
China National Standards frequency, |
English PDF |
| GB/T 7752-1987 |
Test method for electric strength of insulating adhesive tape at power frequency 绝缘胶粘带工频击穿强度试验方法 |
China National Standards frequency, |
English PDF |
| GB/T 7585-1987 |
Capacity series and radio-frequency channel arrangement for analog microwave relay systems 模拟微波接力通信系统容量系列及波道配置 |
China National Standards frequency, |
English PDF |
| GB/T 7343-1987 |
Methods of measurement of the suppresion characteristics of passive radio interference filters and suppression components over the frequency range of 10kHz to 30MHz 10 kHz～30 MHz无源无线电干扰滤波器和抑制元件抑制特性的测量方法 |
China National Standards frequency, |
English PDF |
| GB/T 6662-1986 |
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 1:Measurements common to sub-systems and simulated systems--Section three--Measurements in the intermediate-frequency range 地面无线电接力系统所用设备的测量方法 第一部分:分系统和仿真系统通用的测量 第三节:中频范围的测量 |
China National Standards frequency, |
English PDF |
| GB 6280-1986 |
Capacity series and frequency channels arrangement in 25 to 1000 MHz land mobile telecommunication network 25～1000 MHz陆地移动通信网的容量系列及频道配置 |
China National Standards frequency, |
English PDF |
| GB/T 5442-1985 |
The test methods for the technical specifications of inband pulsing single frequency line signalling system for automatic telephone switching network 电话自动交换网带内单频脉冲线路信号技术指标测试方法 |
China National Standards frequency, |
English PDF |
| GB/T 5441.9-1985 |
Test methods for communication cable--Test for ideal screening factor measured at power frequency 通信电缆试验方法 工频条件下理想屏蔽系数试验 |
China National Standards frequency, |
English PDF |
| GB/T 3971.3-1983 |
The test methods for the technical specifications of multi-frequency register signalling for telephone auto-matic switching network 电话自动交换网多频记发器信号技术指标测试方法 |
China National Standards frequency, |
English PDF |
| GB/T 3451-1982 |
Standard tuning frequency 标准调音频率 |
China National Standards frequency, |
English PDF |
| GB 3377-1982 |
Multifrequency register signalling system for telephone automatic switching network 电话自动交换网多频记发器信号方式 |
China National Standards frequency, |
English PDF |
| GB 3376-1982 |
Inband pulsing single frequencyline signalling system for telephone automatic switching network 电话自动交换网带内单频脉冲线路信号方式 |
China National Standards frequency, |
English PDF |
| Find out:356Items | To Page of: First -Previous-Next -Last | 1 2 |
+86-755-25831330
