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 4854.1-2004
声学 校准测听设备的基准零级 第1部分:压耳式耳机纯音基准等效阈声压级
Acoustics--Reference zero for the calibration of audiometric equipment--Part1:Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
GB/T 23274.7-2009
Methods for chemical analysis of stannic oxide - Part 7: Determination of soluable matter in hydrochloric acid - Gravimetric method
GB/T 23274.4-2009
二氧化锡化学分析方法 第4部分:铅、铜量的测定 火焰原子吸收光谱法
Methods for chemical analysis of stannic oxide - Part 4: Determination of lead and copper content - Flame atomic absorption spectrometric method
GB/T 23274.8-2009
Methods for chemical analysis of stannic oxide - Part 8: Determination of loss on ignition - Gravimetric method
GB/T 23285-2009
Micrographics - Aperture cards - Method of measuring thickness of buildup area
GB/T 23284-2009
缩微摄影技术 16mm和35mm卷式缩微胶片使用的影像标记（光点）
Micrographics - Image mark (blip) used with 16mm and 35mm roll microfilm
GB/T 4549.4-2004
Railway vehicle vocabulary--Part 4:Coupler,draft gear and vestibule diaphragm