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BS EN 60404-14-2002 磁性材料.用拔出或旋转法对铁磁材料试样的磁偶极矩的测量方法

作者:标准资料网 时间:2024-05-03 19:08:13  浏览:9351   来源:标准资料网
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【英文标准名称】:Magneticmaterials.Methodsofmeasurementofthemagneticdipolemomentofaferromagneticmaterialspecimenbythewithdrawalorrotationmethod
【原文标准名称】:磁性材料.用拔出或旋转法对铁磁材料试样的磁偶极矩的测量方法
【标准号】:BSEN60404-14-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-11-07
【实施或试行日期】:2002-11-07
【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】:永久磁铁;磁性材料;铁磁的;饱和;磁铁;测量;偏振;磁性能;偶极子;电气工程;材料;测量技术
【英文主题词】:Dipoles;Electricalengineering;Ferromagnetic;Magneticmaterials;Magneticproperties;Magnets;Materials;Measurement;Measuringtechniques;Permanentmagnets;Polarization(wavephysics);Saturation
【摘要】:ThispartofIEC60404isapplicabletoallferromagneticmaterials.Itisparticularlyaimedatthemeasurementofthemagneticdipolemomentofpermanentmagnet(magneticallyhard)materialsandthemeasurementofthespecificsaturationmagneticpolarizationofcementedcarbidematerialshavingaferromagneticbinder.Theobjectofthispartistodescribethegeneralprinciplesofthedeterminationofthemagneticdipolemomentofaferromagneticmaterialspecimenusingadetectioncoilinanopenmagneticcircuit.Byincludingameansofmagnetizingthematerialtosaturation,thesaturationmagneticdipolemomentcanalsobedetermined.Inaddition,theaveragemagneticpolarizationofatestspecimencanbederivedfromthemeasurementofitsmagneticdipolemomentandvolume.Thecalibrationofmagneticmomentcoilsystemsandthemeasurementofthemagneticdipolemomentoffeeblymagneticmaterialscanalsobedeterminedusingthismethod.Measurementsarenormallyperformedatroomtemperaturebutmeasurementsatothertemperaturescanbeconductedbyheatingorcoolingthevolumeoccupiedbythetestspecimenwithinthedetectioncoil.Themeasurementofremanence,coercivity,maximumenergyproductandotherparameterscanbemadeinaclosedmagneticcircuitasdescribedinIEC60404-4andIEC60404-5.MeasurementofthecoercivityHCJofsoftandsemi-hardmaterialscanalsobeperformedinanopencircuitasdescribedinIEC60404-7.
【中国标准分类号】:K14
【国际标准分类号】:29_030
【页数】:18P;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodforAssessmentofIntravascularMedicalDeviceMaterialsonPartialThromboplastinTime(PTT)
【原文标准名称】:根据部分促凝血酶原激酶时间评估血管内医疗设备材料的标准试验方法
【标准号】:ASTMF2382-2004(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:F04.16
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:bloodcoagulation;bloodcompatibility;partialthromboplastintime;PTT;Medicaldevices/equipment;PartialThromboplastinTime(PTT);Bloodcoagulation;Bloodcompatibility
【摘要】:Thepurposeofthistestmethodistodeterminethetimecitratedplasmaexposedtomedicalmaterialstakestoformaclotwhenexposedtoasuspensionofphospholipidparticlesandcalciumchloride.Inthistestmethod,thetestarticleistheactivator.ThePTTassayisageneralscreeningtestformedicalmaterialx2019;sabilitytoactivatetheintrinsiccoagulationpathway.MaterialsamplesthatshowashortenedPTTareactivatorsoftheintrinsiccoagulationpathway.TestsamplesthatshowashortenedPTTareactivatorsoftheintrinsiccoagulationpathway.Theresultsarereportedasapercentofthenegativecontrol.Thetestarticle,referencematerials,andcontrolsareexposedtohumanplasma.Theplasmaistestedonacoagulationdevice.Eachsampletubeisassayedinduplicate.1.1Thistestmethodcoversthescreeningofcardiovasculardevicematerialsfortheirabilitytoinducebloodcoagulationviatheintrinsiccoagulationpathway.Thisassayshouldbepartofthehemocompatibilityevaluationfordevicesandmaterialscontactinghumanblood,asperANSI/AAMI/ISO10993-4.1.2Allsafetypoliciesandpracticesshallbeobservedduringtheperformanceofthistestmethod.1.3Allplasmaandanymaterialsthathadcontactwithplasmawillbebaggedinabiohazardbag,properlylabeledwiththecontents,anddisposedbyappropriatemeans.TheplasmashouldbehandledattheBiosafetyLevel2asrecommendedintheCentersforDiseaseControl/NationalInstitutesofHealthManualBiosafetyinMicrobiologicalLaboratories.1.4ThenormalpooledhumanplasmamusthavetestednegativeforHepatitisB(HBV)orHumanImmunodeficiency(HIV)viruses.Theplasmasshouldbetreatedlikeanypatientplasmausinguniversalprecautions.TheplasmashouldbehandledattheBiosafetyLevel2asrecommendedintheCentersforDiseaseControl/NationalInstitutesofHealthManualBiosafetyinMicrobiologicalLaboratories.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C10
【国际标准分类号】:11_100_30
【页数】:3P.;A4
【正文语种】:英语


【英文标准名称】:Rotatingmechanicalsealsforagitatorshafts;glass-linedagitatorshafts;operatingdata,assemblydimensions
【原文标准名称】:搅拌器轴的旋转机械密封件.搪瓷钢制搅拌轴.使用数据、组装尺寸
【标准号】:DIN28138-2-1983
【标准状态】:作废
【国别】:德国
【发布日期】:1983-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:轴承环;密封环;尺寸;搅拌器轴;产品规范;密封件;釉层;搅拌器;钢
【英文主题词】:Agitatorshafts;Agitators;Bearingrings;Dimensions;Productspecification;Sealingrings;Seals;Steels;Vitreousenamel
【摘要】:
【中国标准分类号】:G92
【国际标准分类号】:21_140
【页数】:4P;A4
【正文语种】:德语



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