【英文标准名称】:StandardPracticeforSamplingandSamplePreparationofIronOresandRelatedMaterials
【原文标准名称】:铁矿石和相关材料的取样和试样制备的标准实施规范
【标准号】:ASTME877-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:E01.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:金属矿物;金属;光谱测定法;抽样方法;铁矿石;试样制备;铁
【英文主题词】:crush;division;dry;grind;ironore;pulverize;samplepreparation;sampling
【摘要】:Thispracticeistobeusedforsamplingandsamplepreparationofironoresandrelatedmaterials,priortouseofarefereemethodfortestingforcompliancewithcompositionalspecificationsformetalcontentorphysicalproperties.Itisassumedthatallwhousethisprocedurewillbetrainedanalystscapableofperformingcommonlaboratorypracticesskillfullyandsafely.Itisexpectedthatworkwillbeperformedinaproperlyequippedlaboratoryandthatproperwastedisposalprocedureswillbefollowed.Appropriatequalitycontrolpracticesmustbefollowed,suchasthosedescribedinGuideE882.Adequatemethodsforobtainingrepresentativesamplesfortestingthechemicalandphysicalpropertiesofaconsignmentofironoreareessential.Thesaleandusearedependentonthechemicalorphysicalproperties,orboth,ofanore.Thecriteriatopreventbiasmaybeusedforbothdesignofasamplingsystemandincheckingthedesignofanexistingsystem.1.1Thispracticecoversproceduresformechanicalsamplingofironoresandrelatedmaterialsinafallingstreamorstopped-beltsamplingandpreparingthegrosssampletothevarioustestsamplesrequiredforeachcharacteristictobemeasured.IncludedasAnnexesare(1)designcriteriatopreventbias,(2)statisticalmethodstodeterminequalityvariationandprecisionsofsamplinganddivision,and(3)amethodforcomparingtwosamplingproceduresforpossiblesystematicdifferences.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection8.
【中国标准分类号】:D31
【国际标准分类号】:73_060_10
【页数】:10P.;A4
【正文语种】:


【英文标准名称】:Electricalswitchboardinstruments;termsofdelivery,indicatinginstrumentsfortransducers
【原文标准名称】:电气配电盘测量仪表.交货技术条件.测量换能器的指示仪表
【标准号】:DIN43701-4-1975
【标准状态】:作废
【国别】:德国
【发布日期】:1975-02
【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】:配电盘(开关设备);电气工程;信号;发射机
【英文主题词】:signals;switchboards(switchgear);transmitters;electricalengineering
【摘要】:
【中国标准分类号】:N21
【国际标准分类号】:17_220_20
【页数】:1P;A4
【正文语种】:德语