ASTM D1907-2007 用绞纱法试验纱线线密度(纱线支数)用标准试验方法

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【英文标准名称】:StandardTestMethodforLinearDensityofYarn(YarnNumber)bytheSkeinMethod
【原文标准名称】:用绞纱法试验纱线线密度(纱线支数)用标准试验方法
【标准号】:ASTMD1907-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D13.58
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:延伸能力;材料性能;绞纱;试验;纱
【英文主题词】:yarnlineardensity,yarnnumber
【摘要】:1.1Thistestmethodcoversthedeterminationofthelineardensityofalltypesofyarninpackageform,subjecttothelimitationsofsizeandstretchgiveninand.Provisionismadeforexpressingyarnlineardensityinallthetraditionalyarnnumberingsystems.1.2Thismethodisapplicabletoyarnsthatstretchlessthan5%whentensionontheyarnisincreasedfrom0.25to0.75cN/tex(0.25to0.75gf/tex).Bymutualagreement,anduseofalowerthanspecifiedreelingtension,thismethodmayalsobeadaptedtomeasurethelineardensityofyarnsthatstretchmorethan5%,undertheaboveforce.1.3Thismethodisapplicabletoyarnsfinerthan2000tex.However,itmaybealsoadaptedtocoarseryarnsbytheuseofskeinsofshorterthanspecifiedlengths,andalternatereelingconditions,agreeabletotheinterestedparties.1.4Dependingontheprocedureusedtocalculatethemoisturecontentoftheyarnbeingtested,anditsactualmoisturecontent,orfinishcontent,orboth,oneormoreofthefollowingoptionsmaybeutilized.1.4.1UnscouredYarnOption1-Yarnatequilibriumwiththestandardatmospherefortestingtextiles.Option2-Oven-driedyarn.Option3-Oven-driedyarn,pluscommercialmoistureregain.1.4.2ScouredYarnOption4-Scouredyarnatequilibriumwiththestandardatmospherefortestingtextiles.Option5-Oven-dried,scouredyarn.Option6-Oven-dried,scouredyarn,pluscommercialmoistureregain.Option7-Oven-dried,scouredyarn,pluscommercialallowance(commercialmoistureregain,plusanallowanceforfinish).1.5Specimensusedtodetermineyarnlineardensitymayalsobeusedtodeterminetheskeinbreakingstrengthoftheyarn.Hence,thismethodprovidesthesequenceofstepstobefollowed,todetermineboththeseyarnproperties.Note1Thelineardensityofyarnsproducedwithjute,orglass,mayalsobedeterminedbythefollowingapprovedmethods:SpecificationsD541,D578,andD681.Thelineardensityofshortyarnsegments,raveledfromfabrics,maybedeterminedbyTestMethodD1059.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.ThevaluesshowninparenthesesareapproximateconversionstoU.S.customaryunitequivalents.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W04
【国际标准分类号】:59_080_20
【页数】:9P.;A4
【正文语种】:


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【英文标准名称】:Spacesystems-Groundsupportequipmentforuseatlaunch,landing,orretrievalsites-Generalrequirements
【原文标准名称】:空间系统.发射、着陆或回收场用地面保障设备.一般要求
【标准号】:BSZ100-1999
【标准状态】:作废
【国别】:英国
【发布日期】:1999-06-15
【实施或试行日期】:1999-06-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:设备安全;性能;设计;产品设计;航天技术;包装;维修;航天飞行器;飞机的地面服务;人员;航天中心(地面);组装;技术文献;电子设备及元件;工作环境;试验条件;航天器部件;性能试验;航天运输;质量保证;安全措施;可靠度;验证;电气设备;训练;作标记
【英文主题词】:Airtransport;Aircraft;Aircraftgroundsupportequipments;Definitions;Groundequipment;Landing(flight);Launchingcomplex;Marking;Retrieval;Safety;Spacetransport;Spacecraft;Specification(approval)
【摘要】:ThisInternationalStandardspecifiesthegeneralcharacteristics,performance,design,test,safety,reliability,maintainabilityandqualityrequirementsforgroundsupportequipment(GSE)andsystemsintendedforuseatlaunch,landing,orretrieval-siteinstallationsorotherlocationsthataretheresponsibilityofthelaunch,landingandretrievalsite.ThisInternationalStandarddoesnotspecifyhowtodesignGSE,butestablishestheminimumrequirementstoprovidesimple,robust,safe,reliable,maintainableandcost-effectiveGSE.ThisInternationalStandardisapplicabletothedesignofnon-flighthardwareandsoftwareusedtosupporttheoperationsoftransporting,receiving,handling,assembly,inspection,test,checkout,service,launchandrecoveryofspacevehiclesandpayloadsatthelaunch,landing,orretrievalsites.Assuch,therequirementsofthisInternationalStandardareoptionalforhardwareusedonlyatthemanufacturing,development,ortestsitespriortoarrivalatthelaunch,landing,orretrievalsitesoratthemissioncontrolsite.However,ifsuchGSEistemporarilyusedatalaunch,landing,orretrievalsite,forwhateverreason,thisGSEshallcomplywithallthesafety-relatedrequirementsofthisInternationalStandard,asaminimum.NOTE—IntheeventofconflictbetweenthedocumentsreferencedhereinandthecontentsofthisInternationalStandard,thecontentsofthisInternationalStandardsupersedeexceptwhereotherwisenoted.Theapplicablecontractorpurchase/procurementordertakesprecedenceoverthecontentsofthisInternationalStandardintheeventofconflictingrequirements.NothinginthisInternationalStandardsupersedesapplicablelawsandregulationsunlessaspecificexemptionhasbeenobtained.
【中国标准分类号】:V56
【国际标准分类号】:49_100;49_140
【页数】:34P.;A4
【正文语种】:英语


【英文标准名称】:Roadvehicles;M121,25andM141,25sheath-typeglow-plugswithconicalseatingandtheircylinderheadhousing
【原文标准名称】:道路车辆.M12×1.25热线点火塞和M14×1.25罩型点火塞及汽缸盖上的座孔尺寸
【标准号】:ISO6550-1980
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】: