BS ISO 18549-1-2009 金属粉末.在高温下松装密度和流速的测定.在高温下松装密度的测定

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【英文标准名称】:Metallicpowders-Determinationofoxygencontentbyreductionmethods-Part2:Lossofmassonhydrogenreduction(hydrogenloss)
【原文标准名称】:金属粉末用还原法测定氧含量第2部分:还原时氢的质量的损失(氢损)
【标准号】:ISO4491-2-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-04
【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/TC119
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;材料;粒状材料;金属;粉末冶金;还原;试验;含量测定;还原法;质量损失;氧;退火损失;含氧量;氢;化学分析和试验;金属粉末;灼烧损失试验;灼烧损失
【英文主题词】:Analysis;Annealinglosses;Chemicalanalysisandtesting;Determinationofcontent;Hydrogen;Ignition-losstests;Lossofmass;Lossesonignition;Materials;Metallicpowders;Metals;Oxygen;Oxygencontent;Particulatematerials;Powdermetallurgy;Reduction;Reductionmethods;Testing
【摘要】:ThispartofISO4491specifiesamethodforthedeterminationoftherelativelossofmasswhichametallicpowderundergoeswhenheatedinastreamofpuredryhydrogenunderspecifiedconditions.Thepurposeofthistestistoevaluateachemicalpowdercharacteristicwhichisofimportancetothepowdermetallurgicalindustry.Thetestisnotintendedasameansforthedeterminationofthecontentofspecificelements.(SeeannexAandISO4491-1.)Thetestmethodisapplicabletounalloyed,partiallyalloyedandcompletelyalloyedpowdersofthemetalslistedintable1(see6.1).Itisnotapplicabletolubricatedpowdersortomixturesofmetalpowders.Theresultscanbeinfluencedbythepresenceofreducible,oxidizableorvolatilemetals,metalloidsorcompounds(seeannexA).Theresultsobtainedonsuchpowdersshallbeusedwithcautionandtheirinterpretationshallbesubjecttoagreementbetweensupplieranduser.ThispartofISO4491shallbereadinconjunctionwithISO4491-1.
【中国标准分类号】:H70
【国际标准分类号】:77_160
【页数】:6P.;A4
【正文语种】:英语


【英文标准名称】:Electromagneticcompatibility(EMC)-Testingandmeasurementtechniques-Radiated,radio-frequency,electromagneticfieldimmunitytest
【原文标准名称】:电磁兼容性(EMC).试验和测量技术.射频电磁场辐射抗扰度试验
【标准号】:BSEN61000-4-3-2006+A2-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2006-07-31
【实施或试行日期】:2006-07-31
【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】:基础标准;校准;检验设备;定义(术语);锐度;数字的;电气器具;电器;电气工程;电驱动装置;电磁兼容性;电磁场;电磁试验;电子仪器;电子装置;电磁兼容性(EMC);装备;高频;抗扰性;仪器;抗干扰度;干扰辐射;测量技术;调制;调制信号;工作性能;无线电设备;无线电话;无线电话机;电话设备;电话机;试验结果;试验组织;测试;测试装置
【英文主题词】:Basicstandard;Calibration;Checkingequipment;Definitions;Degreeofsharpness;Digital;Electricappliances;Electricalappliances;Electricalengineering;Electrically-operateddevices;Electromagneticcompatibility;Electromagneticfields;Electromagnetictests;Electronicinstruments;Electronically-operateddevices;EMC;Equipment;Highfrequencies;Immunity;Instruments;Interferencerejections;Interferingemissions;Measuringtechniques;Modulation;Modulationsignals;Performanceinservice;Radioequipment;Radiotelephone;Radiotelephones;Telephoneequipment;Telephones;Testresults;Testset-ups;Testing;Testingdevices
【摘要】:ThispartofIEC61000isapplicabletotheimmunityrequirementsofelectricalandelectronicequipmenttoradiatedelectromagneticenergy.Itestablishestestlevelsandtherequiredtestprocedures.Theobjectofthisstandardistoestablishacommonreferenceforevaluatingtheimmunityofelectricalandelectronicequipmentwhensubjectedtoradiated,radio-frequencyelectromagneticfields.ThetestmethoddocumentedinthispartofIEC61000describesaconsistentmethodtoassesstheimmunityofanequipmentorsystemagainstadefinedphenomenon.ThispartdealswithimmunitytestsrelatedtotheprotectionagainstRFelectromagneticfieldsfromanysource.Particularconsiderationsaredevotedtotheprotectionagainstradio-frequencyemissionsfromdigitalradiotelephonesandotherRFemittingdevices.
【中国标准分类号】:L06
【国际标准分类号】:33_100_20
【页数】:82P;A4
【正文语种】:英语