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ASTM C125-2010a 混凝土和混凝土骨料相关标准术语

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【英文标准名称】:StandardTerminologyRelatingtoConcreteandConcreteAggregates
【原文标准名称】:混凝土和混凝土骨料相关标准术语
【标准号】:ASTMC125-2010a
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C09.91
【标准类型】:(Terminology)
【标准水平】:()
【中文主题词】:
【英文主题词】:Aggregate;Concrete;Concreteaggregates;Terminology--pavingmaterials
【摘要】:1.1Thisstandardisacompilationofgeneralterminologyrelatedtohydrauliccementconcrete,concreteaggregates,andothermaterialsusedinorwithhydrauliccementconcrete.1.2OtherterminologyunderthejurisdictionofCommitteeC09isincludedintwospecializedstandards.TermsrelatingtoconstituentsofconcreteaggregatesaredefinedinDescriptiveNomenclatureC294.Termsrelatingtoconstituentsofaggregatesforradiation-shieldingconcretearedefinedinDescriptiveNomenclatureC638.1.3RelatedterminologyforhydrauliccementisincludedinTerminologyC219.Additionally,theAmericanConcreteInstitutehasanelectronicdocument,ACIConcreteTerminology,whichisupdatedperiodically.WhilethisACITerminologyisausefulresource,itshallnotbereferenceddirectlyinASTMstandardsbecauseitisnotaconsensusdocument.TheuseofindividualACIorotherdefinitionsinASTMstandardsshallbeinaccordancewithFormandStyle,SectionE5.9,Attributions.1.4WhenatermisusedinanASTMstandardforwhichCommitteeC09isresponsible,itisincludedhereinonlyifusedinmorethanoneCommitteeC09standard.1.5DefinitionsthatareadoptedfromthosepublishedbyotherASTMcommitteesorotherstandardsorganizationsareidentifiedwiththeASTMdesignation(forexample,TerminologyC219)orwiththeabbreviationofthenameoftheotherorganization.1.6Adefinitioninthisstandardisastatementofthemeaningofawordorwordgroupexpressedinasinglesentencewithadditionalinformationincludedinnotesordiscussion.Note18212;Thesubcommitteeresponsibleforthisstandardwillreviewdefinitionsonafive-yearbasistodetermineifthedefinitionisstillappropriateasstated.Revisionswillbemadewhendeterminednecessary.Theyearshowninparenthesesattheendofadefinitionindicatestheyearthedefinitionorrevisiontothedefinitionwasapproved.AletterRandayearindicatewhenthedefinitionwasreviewed.Nodateindicatesthetermhasnotyetbeenreviewed.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:6P.;A4
【正文语种】:英语


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MIL-STD-2301A (NOTICE 2), DEPARTMENT OF DEFENSE INTERFACE STANDARD: COMPUTER GRAPHICS METAFILE (CGM) IMPLEMENTATION STANDARD FOR THE NATIONAL IMAGERY TRANSMISSION FORMAT STANDARD (22 MAR 2010) [NO S/S DOCUMENT]., MIL-STD-2301A, dated 5 June 1998, and any subsequent revisions or change notices are inactive for new design and shall be no longer used as a guidance reference for new designs.New designs should use International Standards Organization (ISO) Basic Imagery Interchange Format (BIIF) Profile for Computer Graphics Metafile Version 01.00. (BPCGM01.00) CAUTION: The supersession information is valid as of the date of
基本信息
标准名称:交流电气化铁道对短波、超短波收信台(站)无线电干扰的防护距离
中标分类: 铁路 >> 铁路通信 >> 铁路通信综合
发布日期:1996-04-24
实施日期:1996-10-01
首发日期:
作废日期:
提出单位:铁道部科技司
归口单位:铁道部电气化工程局
起草单位:铁道部电气化工程局通信信号勘测设计院
起草人:朱兆伟、徐晓园
出版社:中国铁道出版社
出版日期:1996-10-01
页数:5页
适用范围

本标准规定了交流电气化铁道与短波、超短波收信台(站)之间的防护距离。
本标准适用于接触网电压为25kV的交流电气化铁道,当电力机车运行时产生的无线电干扰对沿两侧工作频率范围在1.5-30MHz的短波收信台(站)和工作频率范围在30~300MHz的超短波固定收信台(站)的干扰影响的防护。

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所属分类: 铁路 铁路通信 铁路通信综合