IEC 60477-2-1979 实验室用电阻器第2部分:实验室用交流电阻器
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【英文标准名称】:Laboratoryresistors.Part2:Laboratorya.c.resistors
【原文标准名称】:实验室用电阻器第2部分:实验室用交流电阻器
【标准号】:IEC60477-2-1979
【标准状态】:现行
【国别】:国际
【发布日期】:1979
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC85
【标准类型】:()
【标准水平】:()
【中文主题词】:直流电流;低电压;定义;电阻器;作标记;半导体;符号;精密电阻器;交流电流;电气工程;测量仪器;电子工程;多倍;实验室;频率
【英文主题词】:Alternatingcurrent;Alternating-currentresistance;Connectionlines;Definitions;Directcurrent;Electricalengineering;Electricalresistance;Electronicengineering;Frequencies;Influenceeffects;Inscription;Laboratories;Laboratorya.c.resistors;Laboratoryware;Limits(mathematics);Lowvoltage;Marking;Measuringinstruments;Multiple;Nominaluse;Precisionresistors;Properties;Ratings;Resistors;Semiconductors;Specification(approval);Symbols
【摘要】:Containstermsanddefinitions.Definestheclassification;givesrequirements,markings,symbols,limitsofintrinsicerrorsandpermissiblevariations.Isapplicableupto100kHz.
【中国标准分类号】:L13
【国际标准分类号】:17_220_20
【页数】:29P.;A4
【正文语种】:英语
【英文标准名称】:LiftingAppliances;LoadSuspendingDevices,LoadsandForces;Definitions
【原文标准名称】:起重设备.载荷悬吊装置.载荷和力.定义
【标准号】:DIN15003-1970
【标准状态】:现行
【国别】:德国
【发布日期】:1970-02
【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】:荷载能力;有效荷载;力;提升设备;起重吊索;承载装置;载荷盛装部件;定义;提升拾取器;荷载
【英文主题词】:Definition;Definitions;Force;Hoistingslings;Liftingappliances;Liftingequipment;Liftingtackle;Loadcapacity;Loadcarryingdevices;Load-containingdevices;Loading;Usefulload
【摘要】:
【中国标准分类号】:J80
【国际标准分类号】:53_020_30
【页数】:4P;A4
【正文语种】:德语
【英文标准名称】:Soilquality-Determinationofcadmium,chromium,cobalt,copper,lead,manganese,nickelandzincinaquaregiaextractsofsoil-Flameandelectrothermalatomicabsorptionspectrometricmethods
【原文标准名称】:土壤质量土壤的王水萃取物中镉、铬、钴、铜、铅、锰、镍和锌的测定火焰和电热原子吸收光谱法
【标准号】:ISO11047-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-05
【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/TC190
【标准类型】:()
【标准水平】:()
【中文主题词】:铜;镍;土壤;土壤普查;土壤试验;光谱测定法;铬;水常规(实验);分析方法;质量;钴;镉;原子吸收分光光度测定法;土壤组分;土壤分析;锌;原子吸收光谱测定法;化学分析和试验;铅;电热的;含量测定;锰
【英文主题词】:Aquaregia;Atomicabsorptionspectrometry;Atomicabsorptionspectrophotometry;Cadmium;Chemicalanalysisandtesting;Chromium;Cobalt;Compositionoftheground;Copper;Determinationofcontent;Electrothermal;Lead;Manganese;Methodsofanalysis;Nickel;Quality;Soilanalysis;Soilsurveys;Soiltesting;Soils;Spectrometry;Waterpractice;Zinc
【摘要】:ThisInternationalStandardspecifiestwomethodsforthedetermination,byatomicabsorptionspectrometry,ofoneormoreofcadmium,chromium,cobalt,copper,lead,manganese,nickelandzinc,inaquaregiaextractsofsoilobtainedinaccordancewithISO11466.Thechoiceofmethodforanyelementdependsontheamountofthatelementexpectedtobeinasample,andbothmethodsmightbeneededtocoveralltheelementsinonesample.Themethodsareapplicablewhentheextractableelementcontentisaboveorbelowtheamountgivenintable1(asmilligramsperkilogram,drymatter),asappropriate.Thetwomethodsaredescribedseparatelyasfollows:MethodA-Determinationofcadmium,chromium,cobalt,copper,lead,manganese,nickelandzincbyflameatomicabsorptionspectrometry.MethodB-Determinationofcadmium,chromium,cobalt,copper,lead,manganese,nickelandzincbyelectrothermalatomicabsorptionspectrometry.Manyoftheproceduresandreagentsarecommontobothmethods,andtothedifferentelementswithineachmethod.Usersareadvised,however,toreadthewholestandardcarefullybeforeembarkingonanyoftheprocedures.NOTE1Indicativelimitsgivenintable1areappropriatetotheequipmentandtechniquesavaiableatthetimeofpublicationofthisInternationalStandard.Technicalimprovementsmaychangethispositioninthefuture.NOTE2ThisInternationalStandardrefersspecificallytotheuseofatomicabsorptionspectrometry.UsersofthisInternationalStandardareadvisedtooperatetheirlaboratoriestoacceptedqualitycontrolprocedures.CertifiedReferenceMaterials(CRM)shouldbeusedtoestablishtheamountsoftherelevantelementsinin-housereferencematerials.ThelattercanbeusedforroutinequalitycontroloftheproceduresgiveninthisInternationalStandard.Resultsshouldbeestablishedwithcontrolcharts,foreachelement,withinthelaboratory.Noresultshouldbeacceptedwhichfallsoutsideanagreedlimit.Qualitycontrolproceduresbasedonawidelyacceptedstatisticaltechniqueshouldbeusedtoestablishsuchlimit,toensurethatthesearestableandthatnolong-termdriftisoccurring.CertifiedReferenceMaterialsshouldbeusedregularlytomaintaintheintegrityofthein-housereferencematerialsand,thereby,thequalitycontrolsystem.
【中国标准分类号】:B11
【国际标准分类号】:13_080_10
【页数】:18P.;A4
【正文语种】:英语
