ASME Y14.6aM-1981 螺纹图示法(米制补充件)
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【英文标准名称】:Screwthreadrepresentation(Metricsupplement)
【原文标准名称】:螺纹图示法(米制补充件)
【标准号】:ASMEY14.6aM-1981
【标准状态】:现行
【国别】:美国
【发布日期】:1981-01-01
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:工程图;锥螺纹;图纸;管螺纹;米制螺纹;尺寸选定;螺纹牙型;螺纹
【英文主题词】:metricscrewthreads;dimensioning;taperthreads;drawings;engineeringdrawings;pipethreads;screwthreadprofiles;screwthreads
【摘要】:ThisStandardestablishesrequirementsforpictorialrepresentation,specification,anddimensioningofscrewthreadsondrawings;itisnotconcernedwithstandardsfordimensionalcontrolofscrewthreads.InformationhelpfulinthedesignandselectionofscrewthreadstomeetspecificrequirementsisincludedintheB1seriesoftheASMEStandardsforScrewThreads(seepara.1.3).
【中国标准分类号】:J04
【国际标准分类号】:01_100_20;21_040_00
【页数】:9P.;A4
【正文语种】:英语
【英文标准名称】:Plastics-Determinationoffracturetoughness(GandK)-Linearelasticfracturemechanics(LEFM)approach
【原文标准名称】:塑料断裂韧性的测定()和()线弹性断裂力学法
【标准号】:ISO13586-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-03
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:测定;抗断裂试验;试验;机械处理;定义;定义;断裂韧性;机械试验;弹性(流体);抗断裂强度;塑料
【英文主题词】:Breakingstrength;Breakingtests;Definition;Definitions;Determination;Elasticproperties(fluids);Fracturetoughness;Mechanicaltesting;Mechanicaltreatment;Plastics;Testing
【摘要】:ThisInternationalStandardspecifiestheprinciplesfordeterminingthefracturetoughnessofplasticsinthecrack-openingmode(modeI)underdefinedconditions.Twotestmethodswithcrackedspecimensaredefined,namelythree-point-bendingtestsandcompact-specimentensiletestsinordertosuitdifferenttypesofequipmentavailableordifferenttypesofmaterial.Themethodsaresuitableforusewiththefollowingrangeofmaterials:—rigidandsemi-rigidthermoplasticmoulding,extrusionandcastingmaterials;—rigidandsemi-rigidthermosettingmouldingandcastingmaterials.Certainrestrictionsonthelinearityoftheload-displacementdiagram,onthespecimenwidthandonthethicknessareimposedtoensurevalidity(see6.4)sincetheschemeusedassumeslinearelasticbehaviourofthecrackedmaterialandastateofplanestrainatthecracktip.Finally,thecrackmustbesharpenoughsothatanevensharpercrackwillnotresultinsignificantlylowervaluesofthemeasuredproperties.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:16P.;A4
【正文语种】:英语
【英文标准名称】:Roadtransportandtraffictelematics—Electronicfeecollection(EFC)—EnsuringthecorrectfunctionofEFCequipmentinstalledbehindmetallisedwindshield
【原文标准名称】:道路运输和交通远程信息管理.电子收费(EFC).确保在镀金属膜的挡风玻璃后安装的电子频率控制(EFC)设备的正确功能
【标准号】:BSPDCEN/TR15762-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-08-29
【实施或试行日期】:2008-08-29
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Metallisedwindscreensareproducedbysprayingsmallmetalparticlesononeoftheglassorplasticlayersofthevehicle’swindscreen.Thisleadstoawindscreenwithhighthermalqualities,rangingfromfar-reducedpowerconsumptionbyair-conditioningequipmenttoshorttimesforde-icing.TheproductionofcertainvehiclesinEuropewhichwereequippedwithmetallisedwindscreenshascreatedamajorproblemfortheinstallationandoperationofOn-BoardUnits(OBUs)whichrelyonDedicatedShort-RangeCommunications(DSRC)forITS(asthemost-widelydeployedDSRCITSapplicationtodate,theremainderofthisreportwillrefertoElectronicTollCollection(EFC)butthedevelopedsolutionswillbevalidforallDSRCITSapplications).AsisshowninTable1,windscreenpropertieshaveadecisiveinfluenceonthetransmissionofmicrowavecommunicationand,formetallisedwindows,itisessentialtocompensatetheselossesbyspecialmeasures(Ref1).AscarsequippedwithmetallisedwindowsarebeingshippedinlargenumberssinceJuly1997,thisproblemneedstobeaddressed.Itisimportanttonotethatthesolutionproposedisvalidforpassengercarsandnotforvehicleswithnear-toverticalwindscreenssuchastrucksandbuses.
【中国标准分类号】:R80
【国际标准分类号】:35_240_60
【页数】:14P.;A4
【正文语种】:英语
