DIN EN 3052-1994 航空航天.耐热耐蚀钢制钝感化处理的短螺纹紧公差杆标准六角头螺栓.等级:1100MPa(室温)/425摄氏度
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【英文标准名称】:Aerospaceseries;bolts,normalhexagonalhead,closetolerancenormalshank,shortthread,inheatandcorrosionresistingsteel,passivated;classification:1100MPa(atambienttemperature)/425°C(includesamendmentA1:1993);GermanversionEN3052:19
【原文标准名称】:航空航天.耐热耐蚀钢制钝感化处理的短螺纹紧公差杆标准六角头螺栓.等级:1100MPa(室温)/425摄氏度
【标准号】:DINEN3052-1994
【标准状态】:作废
【国别】:德国
【发布日期】:1994-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:材料;特性;尺寸;名称与符号
【英文主题词】:Aerospacetransport;Airtransport;Classificationsystems;Corrosion-resistantsteels;Designations;Dimensions;Fittingbolts;Hexagonheadbody-fitscrew;Hexagonheadscrews;Hightemperature;Materials;Properties;Screws(bolts);Spacetransport;Specification(approval);Steels;Tolerances(measurement)
【摘要】:Thedocumentcontainsspecificationspertinenttomanufactureandusesuchasdimensionsanddesignation,material,surfacetreatment,markingandtechnicalspecifications.#,,#
【中国标准分类号】:V20
【国际标准分类号】:49_030_20
【页数】:11P.;A4
【正文语种】:德语
【英文标准名称】:Soilquality-Sampling-Part6:Guidanceonthecollection,handlingandstorageofsoilunderaerobicconditionsfortheassessmentofmicrobiologicalprocesses,biomassanddiversityinthelaboratory(ISO10381-6:2009);EnglishversionofDINISO10381
【原文标准名称】:土壤质量.取样.第6部分:用于实验室微生物处理过程,生物量和多样性评定的有氧条件下土壤的收集,处理和存储指南(ISO10381-6-2009).英文版本DINISO10381-6-2009-09
【标准号】:DINISO10381-6-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:好气菌;生物测定;生物分析和试验;生物试验;生物量;土壤组分;定义;评估;实验室条件;实验室测试;实验室试验;微生物分析;微生物学;质量;抽样方法;土壤分析;土壤采样;土壤试验;土壤;储存
【英文主题词】:Aerobicbacteria;Bioassay;Biologicalanalysisandtesting;Biologicaltests;Biomass;Compositionoftheground;Definitions;Evaluations;Laboratoryconditions;Laboratorytesting;Laboratorytests;Microbiologicalanalysis;Microbiology;Quality;Samplingmethods;Soilanalysis;Soilsampling;Soiltesting;Soils;Storage;Treatment
【摘要】:ThispartofISO10381providesguidanceonthecollection,handlingandstorageofsoilforsubsequenttestingunderaerobicconditionsinthelaboratory.Therecommendationsinthisdocumentarenotapplicabletothehandlingofsoilwhereanaerobicconditionsaretobemaintainedthroughout.ThispartofISO10381ismainlyapplicabletotemperatesoils.Soilscollectedfromextremeclimates(e.g.permafrost,tropicalsoils)mayrequirespecialhandling.
【中国标准分类号】:B11
【国际标准分类号】:13_080_05
【页数】:11P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforAlternatingCurrentMagneticPropertiesofMaterialsUsingtheWattmeter-Ammeter-VoltmeterMethod,100to10000Hzand25-cmEpsteinFrame
【原文标准名称】:用瓦特计--安培计--伏特计法(100-10000赫兹)和25厘米艾普斯亭框测定材料的交流磁性能的试验方法
【标准号】:ASTMA348/A348M-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:A06.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:alternating-current;ammeter;coreloss;customaryunits;Epstein;excitingpower;fluxvoltage;formfactor;incrementalmagnetization;induction;magnetic;magneticmaterial;magnetictest;permeability;voltmeter;wattmeter
【摘要】:Thistestmethodevaluatestheperformanceofflat-rolledmagneticmaterialsoverawidefrequencyrangeofacexcitationwithandwithoutincrementaldcbias,asusedontransformers,motors,andotherlaminatedcoredevices.Thistestmethodissuitablefordesign,specificationacceptance,serviceevaluation,andresearch.Theapplicationoftestresultsobtainedwiththistestmethodtothedesignorevaluationofaparticularmagneticdevicemustrecognizetheinfluenceofthemagneticcircuitryuponitsperformance.Somespecificitemstoconsideraresize,shape,holes,welding,staking,bolting,bracketing,shortingbetweenlaminations,acwaveform,adjacentmagneticfields,andstress.1.1Thistestmethodcoversthedeterminationofthemagneticpropertiesofflat-rolledmagneticmaterialsusingEpsteintestspecimenswithdouble-lapjointsinthe25-cmEpsteinframe.Itcoversdeterminationofcoreloss,rmsandpeakexcitingcurrent,excitingpower,magneticfieldstrength,andpermeability.Thistestmethodiscommonlyusedtotestgrain-orientedandnonorientedelectricalsteelsbutmayalsobeusedtotestnickel-iron,cobalt-iron,andotherflat-rolledmagneticmaterials.1.2ThistestmethodshallbeusedinconjunctionwithPracticeA34/A34MandTestMethodA343/A343M.1.3Testsunderthistestmethodmaybeconductedwitheithernormalacmagnetizationorwithacmagnetizationandsuperimposeddcbias(incrementalmagnetization).1.4Ingeneral,thistestmethodhasthefollowinglimitations:1.4.1FrequencyTherangeofthistestmethodnormallycoversfrequenciesfrom100to10000Hz.Withproperequipment,thetestmethodmaybeextendedabove10000Hz.Whentestsarelimitedtotheuseofpowersourceshavingfrequenciesbelow100Hz,theyshallusetheproceduresofTestMethodA343/A343M.1.4.2MagneticFluxDensity(mayalsobereferredtoasFluxDensity)-Therangeofmagneticfluxdensityforthistestmethodisgovernedbythetestspecimenpropertiesandbytheavailableinstrumentsandotherequipmentcomponents.Normally,formanymaterials,themagneticfluxdensityrangeisfrom1to15kG[0.1to1.5T].1.4.3CoreLossandExcitingPowerThesemeasurementsarenormallylimitedtotestconditionsthatdonotcauseatestspecimentemperatureriseinexcessof50Corexceed100W/lb[220W/kg].1.4.4ExcitationEitherrmsorpeakvaluesofexcitingcurrentmaybemeasuredatanytestpointthatdoesnotexceedtheequipmentlimitationsprovidedthattheimpedanceoftheammetershuntislowanditsinsertionintothetestcircuitdoesnotcauseappreciablyincreasedvoltagewaveformdistortionatthetestmagneticfluxdensity.1.4.5IncrementalPropertiesMeasurementofincrementalpropertiesshallbelimitedtocombinationsofacanddcexcitationsthatdonotcausesecondaryvoltagewaveformdistortion,asdeterminedbytheformfactormethod,toexceedashiftof10%awayfromsinewaveconditions.1.5Thevaluesandequationsstatedincustomary(cgs-emuandinch-pound)orSIunitsaretoberegardedseparatelyasstandard.Withinthisstandard,SIunitsareshowninbracketsexceptforthesectionsconcerningcalculationswherethereareseparatesectionsfortherespectiveunitsystems.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththisstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H21
【国际标准分类号】:29_030
【页数】:10P.;A4
【正文语种】:英语
