Anodizing of aluminium and its alloys -- Assessment of quality of sealed anodic oxidation coatings by measurement of admittance
发布日期:2010-07-01 实施日期:2010-07-01
Hearing aids - Part 6: Characteristics of electrical input circuits for hearing aids
发布日期:1999-06-09 实施日期:1999-06-09
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)
发布日期:2007-06-29 实施日期:2007-11-01
Coaxial communication cables - Part 1-112: Electrical test methods - Test for return loss (uniformity of impedance)
发布日期:2006-03-13 实施日期:2006-03-13
发布日期:1986-06-29 实施日期:1986-06-29
Metallic communication cables test methods. Part 4-3:Electromagnetic compatibility (EMC). Surface transfer impedance. Triaxial method Méthodes d'essais des cables métalliques de communication. Partie 4...
发布日期:2006-03-20 实施日期:2006-03-01
Unterirdische Lautsprecherkommunikationssysteme in Kohlenbergwerken Specification for Underground Loudspeaker Communication Systems in Coal Mines Systèmes de communication souterraine par haut-parleurs...
实施日期:1983-04-29
Magnetische Werkstoffe. Verfahren zur Messung der magnetischen Eigenschaften weichmagnetischer und pulverfoermiger Werkstoffe bei Frequenzen im Bereich 20 Hz bis 200 kHz mit Hilfe von Ringproben Magnet...
实施日期:2003-09-26
Luft-und Raumfahrt. Elektrischen Leitungen fuer Luftfahrt Verwendung. Pruefverfahren. Wellenwiderstand Cables,Electrical,Aircraft Use-Test Methods-Part 805:Characteristic Impedance Serie aerospatiale. ...
实施日期:2002-06-25
Radio-frequency connectors―Part 19: Sectional specification-radio frequency coaxial connectors of type SSMB
发布日期:2013-12-17 实施日期:2014-06-15
Signalling on Low-Voltage Electrical Installations in the Frequency Range 3 kHz to 148,5 kHz - Part 7: Equipment Impedance
发布日期:2001-12-01 实施日期:2001-12-01
Metallic communication cables test methods - Part 1-1: Electrical - Measurement of the pulse/step return loss in the frequency domain using the Inverse Discrete Fourier Transformation (IDFT)
实施日期:2004-09-01
实施日期:2001-11-01
实施日期:2006-01-12
Leiterplatten und Flachbaugruppen Konstruktion und Anwendung. Allgemeine Anforderungen Definierte Impedanz Printed Boards and Printed Board Assemblies-Design and Use-Part 1-2:Generic Requirements-Contr...
实施日期:1998-12-15
实施日期:2007-07-01
实施日期:2005-10-01
请选择需要导出的字段:
请选择需要导出的字段:
知识产权声明 | 服务承诺 | 联系我们 | 人才招聘 | 客户服务 | 关于我们
互联网出版许可证:新出网证(京)字042号 互联网药品信息服务资格证书号:(京)-经营性-2011-0017 信息网络传播视听节目许可证 许可证号:0108284
京ICP证:010071 京公网安备11010802020237号 京ICP备08100800号-1
客服电话:4000115888 客服邮箱:service@wanfangdata.com.cn 违法和不良信息举报电话:4000115888 举报邮箱:problem@wanfangdata.com.cn 举报专区:https://www.12377.cn
万方数据知识服务平台--国家科技支撑计划资助项目(编号:2006BAH03B01)©北京万方数据股份有限公司 万方数据电子出版社