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EN 60444-1-1999 用π型网络的零相位技术测量石英晶体单元的参数.第1部分:用π型网络的零相位技术测量石英晶体单元的谐振频率和谐振阻抗

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【英文标准名称】:Measurementofquartzcrystalunitparametersbyzerophasetechniqueina-network-Part1:Basicmethodforthemeasurementofresonancefrequencyandresonanceresistanceofquartzcrystalunitsbyzerophasetechniqueina-network(IEC60444-
【原文标准名称】:用π型网络的零相位技术测量石英晶体单元的参数.第1部分:用π型网络的零相位技术测量石英晶体单元的谐振频率和谐振阻抗
【标准号】:EN60444-1-1999
【标准状态】:现行
【国别】:
【发布日期】:2000-09
【实施或试行日期】:2000-09-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:晶体(电子);压电器件;测量仪器;测量技术;电气工程;石英;谐振阻抗;频率;电子工程;共振频率
【英文主题词】:Crystals(electronic);Electricalengineering;Electronicengineering;Frequencies;Measuringinstruments;Measuringnetwork;Measuringtechniques;Piezoelectricdevices;Piezoelectricity;Quartz;Resonanceresistance;Resonantfrequency;Zerophase;Zero-method
【摘要】:
【中国标准分类号】:L21
【国际标准分类号】:31_140
【页数】:26P.;A4
【正文语种】:英语


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基本信息
标准名称:合流制系统污水截流井设计规程CECS91:97
发布日期:1997-10-09
实施日期:1900-01-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
适用范围

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所属分类:
Product Code:SAE J1685
Title:Classification System for Automotive Acrylonitrile/Butadiene/Styrene (Abs) and ABS + Polycarbonate Blends (Abs+Pc) Based Plastics
Issuing Committee:Plastics Committee
Scope:This SAE Recommended Practice provides a system for classification and specification for limited number of acrylonitrile/butadiene/styrene (ABS) and blends with polycarbonate (ABS+PC) plastics used in the Automotive Industry. Based upon ASTM D 4673, Classification System for (ABS) Molding Materials, it calls for additional descriptive characteristics and properties commonly used in the Automotive Industry. This practice applies to natural, non-color matched black, and plating gray compounds only. Color matched compounds shall be defined by the proprietary OEM standards. This practice allows for the use of recycled, reconstituted, and regrind materials provided that the requirements as stated in this document are met, the material has not been altered or modified to change its suitability for safe processing and use, and the material shall be identified as such.