DIN EN 60939-2-2006 抑制电磁干扰用无源滤波装置.第2部分:分规范:适用于安全试验的无源滤波装置.试验方法和一般要求

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【英文标准名称】:InformationTechnology-MagneticTapeandCartridgeforInformationInterchange-Unrecorded,36-Track,Parallel,12.57mm(0.495in),1944ftpmm(49378ftpi)Group-CodedRecordingReplacesANSIX3.265-1995
【原文标准名称】:信息技术.信息互换用磁带和盒式磁带.未记录的36-磁道、平行的12.57mm(0.495英寸)、1944ftpmm(49378ftpi)群码记录代替ANSIX3.265-1995
【标准号】:ANSIINCITS265-1995
【标准状态】:现行
【国别】:美国
【发布日期】:1995-01-01
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thisstandardprovidestherequirementsforanunrecordedtapecartridgetobeusedforinformationinterchangeamonginformation-processingsystems.Suchacartridgecomprisestwoparts:-acasetoprovideprotectionofthemediafromcontaminantsandhumanhandling,andtofacilitateloadingandunloadingofthecartridgebythedrive;-amagnetictapeof12.573mm(0.495in)widthheldinsidethecaseonareel.Thetapeshallbetransportedonthereelfordigitalrecordingataphysicaldensityof1944ftpmm(49378ftpi).
【中国标准分类号】:L64
【国际标准分类号】:35_220_23
【页数】:
【正文语种】:英语


【英文标准名称】:StandardTestMethodsforEvaluatingCompatibilityBetweenCableFillingandFloodingCompoundsAndPolyolefinWireandCableMaterials
【原文标准名称】:评价电缆填充物、溢流件、聚烯烃线和电缆材料间相容性的标准试验方法
【标准号】:ASTMD4568-1999(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【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】:D09.18
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compatibility;fillingcompound;floodingcompound;polyolefincoatedmetals;polyolefininsulation;polyolefinjacket;Cablefilling/floodingcompounds;Communications;Compatibility;Filling/floodingcompounds;Insulatedwireandcable;Polyolefin
【摘要】:Cablefillingandfloodingcompoundsarenormallysemi-solidatroomtemperatureandfluidinvaryingdegreesatelevatedtemperatures.Theyarenormallyappliedinaliquidstateandatanelevatedtemperatureduringwireandcablemanufacturing.Thecompletedfinishedwireorcableisexposedtovariousambientconditionsduringitsusefullife.Ifnotcarefullyselected,componentsoffillingorfloodingcompoundshavethepotentialtodegradethematerialstheycontact,shorttermorlongterm.Thefollowingmethodsareintendedtominimizethechancesofsuchproblemsoccurring.Someoftheeffectsthatmightoccurinclude,butarenotlimitedto:Delaminationofcoatedmetalshieldsorscreensincompletedwireandcable.Delaminationisprimarilyafunctionofthetesttemperatureandthetypeoflaminantused,sotestresultsareunlikelytovarysignificantlybetweenfillingorfloodingcompoundsofacommonfamily(forexample,petroleumbasedfillingorfloodingcompounds).Degradationofphysicalpropertiesofinsulation,jackets,corecoverings,etc.Likelymanifestationsofdegradationofplasticmaterialincludeembrittlementofsomematerialsandexcessivesofteningofothermaterials.Sincethemagnitudeofanygiveneffectwillvary,sometestprocedureswillbemorecriticalthanothers.Itisnot,therefore,intendedthateverylistedprocedurebeperformedwitheverycompatibilitystudy.Performprocedurestotheextentrequiredbyproductspecificationsorasagreeduponbetweentheproducerandthepurchaser.1.1Thesetestmethodsevaluatethecompatibilitybetweencablefillingorcablefloodingcompounds,orboth,andpolyolefinmaterialsusedinthemanufactureofwireandcablethatareusuallyinintimatecontactwiththefillerorfloodant,orboth.1.2Thesetestmethodsareusefultoensurecompatibilityandtoverifythatnewformulationsoffillingorfloodingcompoundswillhavenodeleteriouseffectupontheotherpolyolefinmaterialsbeingusedor,conversely,usethesemethodstoensurethatotherpolyolefinwireandcablematerialsareevaluatedforpossibleusenotdegradedbycontactwithfillersorfloodantsalreadyinuse.1.3Whenevertwosetsofvaluesarepresented,indifferentunits,thevaluesinthefirstsetarethestandard,whilethoseinparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.7.1Thistestmethodisspecificallyforpolyolefincoatingsonaluminumandsteelshieldingandarmoringmaterialusedintelecommunicationswireandcables.12.1Thistestmethodisspecificallyforpolyolefininsulatingmaterialsusedintelecommunicationswiresandcables.17.1Thistestmethodisspecificallyforpolyolefinjacketingmaterialsusedintelecommunicationswiresandcables.
【中国标准分类号】:K13
【国际标准分类号】:29_035_20
【页数】:5P.;A4
【正文语种】:英语