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BS EN 10254-1999 钢闭合模锻件.一般技术交付条件

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【英文标准名称】:Steelcloseddieforgings.Generaltechnicaldeliveryconditions
【原文标准名称】:钢闭合模锻件.一般技术交付条件
【标准号】:BSEN10254-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-12-15
【实施或试行日期】:1999-12-15
【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】:定义(术语);交付;交货条件;图纸;模锻件;锻造件;锻造;锻件;材料;金属;钢产品;钢;测试;公差(测量)
【英文主题词】:Definitions;Delivery;Deliveryconditions;Drawings;Dropforgings;Forgedpieces;Forging;Forgings;Materials;Metals;Steelproducts;Steels;Testing;Tolerances(measurement)
【摘要】:ThisEuropeanStandardspecifiesthegeneraldeliveryconditionsforsteelcloseddieforgings.Theseforgingsareproducedbybloworpressureoftheheatedproductatasuitabletemperature(hotorwarm)inadie,whichintheformingprocessshapesthematerialtotheformofthedie.Similarproducts,suchaswarmextrusionsandupsetforgings,arealsoregardedaspartoftheprocess.ThisEuropeanStandardappliesalsotocloseddieforgingswhentheirsurfaceispartiallytreatedsubsequentlybycoldformingorcoining,inordertoimprovethesurfacequalityortoobtainmoreprecisedimensionalaccuracy.Thisstandarddoesnotapplytoopendieforgings,processesinwhichthetoolingdoesnotfullysurroundthecomponentsproduced.
【中国标准分类号】:J32
【国际标准分类号】:77_140_85
【页数】:18P.;A4
【正文语种】:英语


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【英文标准名称】:Rubber-Antistaticandconductiveproducts-Determinationofelectricalresistance.
【原文标准名称】:橡胶.抗静电和导电制品.电阻率测定
【标准号】:NFT47-132-2005
【标准状态】:作废
【国别】:法国
【发布日期】:2005-12-01
【实施或试行日期】:2005-12-31
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:抗静电;抗静电材料;测定;弹性体;电阻;材料;材料试验;橡胶;橡胶制品;试验;硫化橡胶
【英文主题词】:Antistatic;Antistaticmaterials;Determination;Elastomers;Electricalresistance;Materials;Materialstesting;Rubber;Rubberproducts;Testing;Tests;Vulcanizedrubber
【摘要】:
【中国标准分类号】:G40
【国际标准分类号】:83_060
【页数】:12P.;A4
【正文语种】:其他


【英文标准名称】:Fibreopticinterconnectingdevicesandpassivecomponents-Basictestandmeasurementprocedures-Examinationsandmeasurements-Polarizationmodedispersionmeasurementforpassiveopticalcomponents
【原文标准名称】:纤维光学互连装置和无源元件.基本试验和测量程序.检查和测量.无源光学元件的偏振模式色散测量
【标准号】:BSEN61300-3-32-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-10-31
【实施或试行日期】:2006-10-31
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电缆;连接工艺;色散;电气工程;纤维光学;玻璃纤维光纤;多路传送;窄带;光学设备;光波导;无源;偏振;测试;宽频带传输
【英文主题词】:Cables;Connectiontechnology;Dispersion(waves);Electricalengineering;Fibreoptics;Glassfibrecables;Multiplex;Narrowband;Opticaldevices;Opticalwaveguides;Passive;Polarization(wavephysics);Testing;Widebandtransmission
【摘要】:ThispartofIEC61300presentsanumberofalternativemethodsformeasuringthepolarizationmodedispersion(PMD)ofapassivefibreopticdeviceundertest(DUT).ThesemethodstypicallymeasurePMDusingeitherafrequencydomainortimedomainapproach.Inthefrequencydomain,thepolarizationpropertiesoftheDUTareanalysed.Inthetimedomainapproach,thepulsedelayorbroadeningisobserved.Thisprocedurewillcovermeasurementsofbothbroadband,andnarrowbanddensewavelengthdivisionmultiplexing(DWDM)passivefibreopticdevices.Differencesbetweenmeasurementpracticesforthesevariedclassesofpassivefibreopticdeviceswillbenotedinthetext.Thisprocedurecanbeappliedtolaboratory,factoryandfieldmeasurementsofPMDinpassivefibreopticdevices.Limitationoftheapplicationofsomemethodswillbenotedinthetextwhennecessary.ThisprocedurecanbeappliedtoatransmissiveorreflectiveDUT.Inthelattercase,theDUTconnectionisviaacouplerorcirculator,whichshouldhaveaknownverylowPMDvalue.
【中国标准分类号】:L23
【国际标准分类号】:33_180_20
【页数】:60P;A4
【正文语种】:英语