基本信息
标准名称: | 900MHz公用移动通信系统移动台进网技术要求及测试方法 |
英文名称: | Technical requirement and testing methods for mobile station access to 900MHz public mobile telecommunication system |
中标分类: |
通信、广播 >>
通信设备 >>
移动通信设备 |
ICS分类: |
|
发布部门: | 国家技术监督局 |
发布日期: | 1995-01-02 |
实施日期: | 1996-08-01 |
首发日期: | 1995-12-21 |
作废日期: | 1900-01-01 |
主管部门: | 信息产业部(通信) |
归口单位: | 信息产业部(通信) |
起草单位: | 邮电部电信传输研究所 |
出版社: | 中国标准出版社 |
出版日期: | 2004-05-08 |
页数: | 平装16开, 页数:23, 字数:40千字 |
书号: | 155066.1-12772 |
适用范围
本标准规定了公用网900MHz频段,TACS制式蜂窝移动台发射机、接收机的技术要求及测试方法。本标准适用于900MHz频段模拟蜂窝移动台收发信机进网检验,也适用于生产、运营部门检验该类设备。
前言
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目录
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引用标准
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所属分类: 通信 广播 通信设备 移动通信设备
【英文标准名称】:StandardTestMethodforVegetableMatterandOtherAlkali-InsolubleImpuritiesinScouredWool
【原文标准名称】:洗净羊毛中植物性物质和其它碱性不溶杂质的标准测试方法
【标准号】:ASTMD1113-1990a(2001)
【标准状态】:现行
【国别】:
【发布日期】:1990
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D13.13
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;羊毛;纺织材料;杂质;纺织纤维
【英文主题词】:alkalisolubility;impurity;vegetablematter;wool;
【摘要】:TestMethodD1113isconsideredsatisfactoryforacceptancetestingofcommercialshipments,andtheprocedurehasbeenusedextensivelyinthetradeforthispurpose,particularlyinconnectionwiththedeterminationofcleanwoolfiberpresentbyTestMethodD584.TheprocedureinTestMethodD1113isusedbytheU.S.CustomsServiceforthedeterminationofthevegetablematterinimportationsofrawwoolonwhichtheallowanceforlossofwoolduringcommercialcleaningisbasedinpart.35.1.1IncaseofadisputearisingfromdifferencesinreportedtestresultswhenusingTestMethodD1113foracceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatarefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudentst-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforethetestingisbegun.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinlightoftheknownbias.1.1Thistestmethodcoversthedeterminationofthecontentofoven-dried,ash-free,alcoholextractive-freevegetablematterandotheralkali-insolubleimpuritiespresentinscouredwool.Itisalsoapplicableto"relatedfibers"suchasthehairfromthegoat,camel,alpaca,andotheranimals.Note1--ThedeterminationofcleanwoolfiberpresentonalaboratoryscaleiscoveredinTestMethodD584,thedeterminationofcleanwoolfiberpresentonacommercialscaleiscoveredinTestMethodD1334,andthecalculationofcommercialweightandyieldofvariouscommercialcompositions(formerlycoveredinAppendixtoTestMethodD584)iscoveredinPracticeD2720.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificsafetyprecautionstatements,seeSection8.
【中国标准分类号】:W20
【国际标准分类号】:59_060_10
【页数】:5P.;A4
【正文语种】: