EN 60300-3-15-2009 可靠性管理.第3-15部分:应用指南.系统可靠性技术(IEC60300-3-15-2009);德文版本EN60300-3-15-2009
时间:2024-05-16 00:53:57 来源: 标准资料网 作者：标准资料网 阅读：9599
【英文标准名称】:Dependabilitymanagement-Part3-15:Applicationguide-Engineeringofsystemdependability(IEC60300-3-15:2009);GermanversionEN60300-3-15:2009
【原文标准名称】:可靠性管理.第3-15部分:应用指南.系统可靠性技术(IEC60300-3-15-2009);德文版本EN60300-3-15-2009
【标准号】:EN60300-3-15-2009
【标准状态】:现行
【国别】:
【发布日期】:2010-05
【实施或试行日期】:2010-05-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:组件;定义;可靠性管理;电气工程;电子工程;电子设备及元件;失效率;功能;硬件;检验;寿命周期;寿命;维修性;维护;工作性能;合格的;质量保证;质量要求;定量的;可靠性;可靠性分析;可靠性改进;要求;软件;系统;试验;验证
【英文主题词】:Components;Definitions;Dependabilitymanagement;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Failurerates;Functions;Hardware;Inspection;Lifecycles;Life(durability);Maintainability;Maintenance;Operatability;Qualitative;Qualityassurance;Qualityrequirements;Quantitative;Reliability;Reliabilityanalysis;Reliabilityimprovement;Requirements;Software;Systems;Testing;Verification
【摘要】:
【中国标准分类号】:L05
【国际标准分类号】:03_120_10;29_020
【页数】:63P;A4
【正文语种】:英语
【英文标准名称】:Soilquality.Chemicalmethods.Extractionoftraceelementssolubleinaquaregia
【原文标准名称】:土质.化学方法.溶解于王水的痕量元素萃取
【标准号】:BS7755-3.9-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-10-15
【实施或试行日期】:1995-10-15
【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】:分析;王水;化学分析和测试;土壤组分;含量测定;萃取;萃取法;萃取分析法;金属;质量;土壤分析;土壤采样;土壤普查;土壤;溶解度;溶液;痕量元素分析;痕量元素
【英文主题词】:Analysis;Aquaregia;Chemicalanalysisandtesting;Compositionoftheground;Determinationofcontent;Extraction;Extractionmethod;Extractionmethodsofanalysis;Metals;Quality;Soilanalysis;Soilsampling;Soilsurveys;Soils;Solubility;Solutions;Traceelementanalysis;Traceelements
【摘要】:ThisInternationalStandardspecifiesamethodfortheextraction,withaquaregia,oftraceelementsfromsoilsandsimilarmaterials,preparedaccordingtoISO11464,andcontaininglessthanabout20%(m/m)organiccarbonaccordingtoISO10694.Ma-terialscontainingmorethanabout20%(m/m)organiccarbonwillrequiretreatmentwithadditionalnitricacid(seenote8).Theresultingsolutionissuitableforthedeterminationoftraceelementsusingappropriateatomicspectrometrictechniques.Withhighsoluteconcentrationsinextractsolutions,spectralinter-ferencesandbackgroundenhancementshouldbeexpected.NOTE1Aquaregiawillnottotallydissolvemostsoilsandsimilarmaterials,andtheefficiencyofextractionforpar-ticularelementsdiffersfromelementtoelement.Suchef-ficiencymightalsodifferforthesameelementindifferentmatrices.UsersofthisInternationalStandardshouldcarryoutaprogrammeofanalysisusingreferencematerialstoassurethemselvesthatthemethodgivenhereisappropri-atefortheirneeds.Elementsextractableinaquaregiacan-not,therefore,bedecribedas"totals";converselytheycannotberegardedasthe"bio-available"fraction,astheextractionprocedureistoovigoroustorepresentanybio-logicalprocess.
【中国标准分类号】:Z18
【国际标准分类号】:13_080_10
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminationofLinearLowDensityPolyethylene(LLDPE)CompositionbyCarbon-13NuclearMagneticResonance
【原文标准名称】:用碳-13核磁共振法测定线性低密度聚乙烯成分的标准试验方法
【标准号】:ASTMD5017-1996(2009)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:D20.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:carbon-13NMR;composition;LLDPE;polyethylene;Carbon-13nuclearmagneticresonancespectroscopy;Compositionanalysis--plastics;Density--plastics;LLDPE(linearlow-densitypolyethylene);Nuclearmagneticresonance(NMR)spectrometry;Polyethy
【摘要】:Performancepropertiesaredependentonthenumberandtypeofshortchainbranches.Thistestmethodpermitsmeasurementofthesebranchesforethylenecopolymerswithpropylene,butene-1,hexene-1,octene-1,and4-methylpentene-1.1.1Thistestmethoddeterminesthemolarcompositionofcopolymerspreparedfromethylene(ethene)andasecondalkene-1monomer.Thissecondmonomercanincludepropene,butene-1,hexene-1,octene-1,and4-methylpentene-1.1.2CalculationsofthistestmethodarevalidforproductscontainingunitsEEXEE,EXEXE,EXXE,EXXXE,andofcourseEEEwhereEequalsetheneandXequalsalkene-1.Copolymerscontainingaconsiderablenumberofalkene-1blocks(suchas,longerblocksthanXXX)areoutsidethescopeofthistestmethod.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSection8foraspecifichazardstatement.Note18212;ThereisnoequivalentISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:7P.;A4
【正文语种】:英语