News
- 13.05.2019 ISO/TS 19807-2 "Nanotechnologies -- Magnetic nanomaterials -- Part 2: Specification of characteristics and measurements for nanostructured superparamagnetic beads for nucleic acid extraction
- 01.12.2016 Industrie 4.0: Deutsch-Chinesische Zusammenarbeit nimmt Fahrt auf
- 15.11.2016 Deutsch-chinesisches Seminar in Chengdu
Links
- BAM - Bundesanstalt für Materialforschung und -prüfung
- DIN Media - DIN Media GmbH
- BMWK - Bundesministerium für Wirtschaft und Klimschutz
- DIN - Deutsches Institut für Normung
- PTB - Physikalisch-Technische Bundesanstalt
Suche
GB/T 17737.200-2018
Coaxial communication cables—Part 1-200: Environmental test methods—General requirements
GB/T 17737.115-2018
同轴通信电缆 第1-115部分:电气试验方法 阻抗均匀性（脉冲/阶跃函数回波损耗）试验
Coaxial communication cables—Part 1-115: Electrical test methods—Test for regularity of impedance (pulse/step function return loss)
GB/T 22319.11-2018
石英晶体元件参数的测量 第11部分:采用自动网络分析技术和误差校正确定负载谐振频率和有效负载电容的标准方法
Measurement of quartz crystal unit parameters—Part 11:Standard method for the determination of the load resonance frequency fL and the effective load capacitance CLeff using automatic network analyzer techniques and error correction
GB/T 17737.108-2018
同轴通信电缆 第1-108部分:电气试验方法 特性阻抗、相位延迟、群延迟、电长度和传播速度试验
Coaxial communication cables—Part 1-108: Electrical test methods—Test for characteristic impedance, phase and group delay, electrical length and propagation velocity
GB/T 17737.106-2018
同轴通信电缆 第1-106部分:电气试验方法 电缆护套的耐电压试验
Coaxial communication cables—Part 1-106: Electrical test methods—Test for withstand voltage of cable sheath
GB/T 17737.101-2018
同轴通信电缆 第1-101部分:电气试验方法 导体直流电阻试验
Coaxial communication cables—Part 1-101: Electrical test methods—Test for conductor d.c. resistance of cable
GB/T 22319.9-2018
石英晶体元件参数的测量 第9部分:石英晶体元件寄生谐振的测量
Measurement of quartz crystal unit parameters—Part 9:Measurement of spurious resonances of piezoelectric crystal units