【英文标准名称】:CellularDigitalPacketData(CDPD)-LowerLayerSubprofiles
【原文标准名称】:蜂窝式数字分组数据(CDPD).较低层子轮廓
【标准号】:ANSI/TIA-732.311-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:底层;通信;传播学;可移动的;数字数据;移动无线电通信系统;数据包;无线通信业务;数据通信
【英文主题词】:Communication;Datacommunication;Digitaldata;Lowerlayers;Mobile;Mobileradiosystems;Packets(datatransmission);Telecommunications;Wirelesscommunicationservices
【摘要】:
【中国标准分类号】:M37
【国际标准分类号】:33_070_50
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforColorfastnessofZipperstoDrycleaning
【原文标准名称】:拉链耐干洗色牢度的标准试验方法
【标准号】:ASTMD2052-2005(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:D13.54
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:colorfastness;drycleaning;zipper;Drycleaningmaterials/processes/tests;Colorfastness--zippers
【摘要】:TestMethodD2052isusefulfortestingtodetermineifthedegreeofalterationinshadeissatisfactoryfortheintendedend-useandfordeterminingifunacceptablestainingofcolorintoadjacentfabricwilloccur.Note18212;Forguidanceinevaluatingtheresultsofthistestmethod,refertoPracticeD3692.Thistestmethodisconsideredsatisfactoryforacceptancetestingofcommercialshipmentsbecausethemethodhasbeenusedextensivelyinthetradeforacceptancetesting.Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineiftheirisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,thetestsamplesshouldbeusedthatareashomogeneousaspossible,thataredrawnfromthematerialfromwhichthedisparatetestresultswereobtained,andthatarerandomlyassignedinequalnumberstoeachlaboratoryfortesting.Othermaterialswithestablishedtestvaluesmaybeusedforthispurpose.Thetestresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforunpaireddata,atprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsmustbeadjustedinconsiderationoftheknownbias.Themethod(s)inthisstandardalongwiththoseinTestMethodsD2051,D2053,D2054,D2057,D2058,D2059,D2060,D2061,andD2062areacollectionofprovenzippertestmethods.Theycanbeusedasaidsintheevaluationofzipperswithouttheneedforathoroughknowledgeofzippers.Theenumeratedtestmethodsdonotprovidefortheevaluationofallzipperproperties.Besidesthosepropertiesmeasuredbymeansoftheenumeratedtestmethodsthereareotherpropertiesthatmaybeimportantforthesatisfactoryperformanceofazipper.Testmethodsformeasuringthosepropertieshavenotbeenpublishedeitherbecausenopracticalmethodshaveyetbeendevelopedorbecauseavalidevaluationoftheinformationresultingfromexistingunpublishedmethodsrequiresanintimateandthoroughknowledgeofzippers.1.1Thistestmethodcoversthedeterminationofchangeinshadeandofstainingofzipperstringersunderdrycleaningconditions.Thistestmethodisapplicabletothetextileportionofzipperstringersofallmaterials.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasthestandard.Withinthetext,theinch-poundunitsareshowninparentheses.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththistestmethod.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityofwhoeverusest......
【中国标准分类号】:Y76
【国际标准分类号】:61_040
【页数】:3P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 电力电缆铜 铝导电线芯 |
| 中标分类： |
电工 >>
电工材料和通用零件 >>
电缆及其附件 |
| 替代情况： | 被GB/T 3956-1997代替 |
| 发布日期： | |
| 实施日期： | 1984-10-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 5页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 电工 电工材料和通用零件 电缆及其附件