【英文标准名称】:Copperalloys;Determinationofchromiumcontent;Titrimetricmethod
【原文标准名称】:铜合金铬含量的测定滴定法
【标准号】:ISO6437-1984
【标准状态】:现行
【国别】:国际
【发布日期】:1984-05
【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/TC26
【标准类型】:()
【标准水平】:()
【中文主题词】:铜合金;化学分析;化学分析和试验;铜;含量测定;铬;容量分析
【英文主题词】:Chemicalanalysisandtesting;Chromium;Copper;Copperalloys;Determinationofcontent;Volumetricanalysis
【摘要】:Themethodisusedforthedeterminationofthetotalchromiumcontentofcopper-chromiumalloyslistedinInternationalStandards.Itisapplicabletoproductshavingchromiumcontentsbetween0,10and2,0%(m/m).Specifiesprinciple,reagents,apparatus,procedure,expressionofresultsandtestreport.
【中国标准分类号】:H13
【国际标准分类号】:77_120_30
【页数】:3P;A4
【正文语种】:英语
基本信息
标准名称: | 无公害食品 苹果 |
中标分类: |
农业、林业 >>
经济作物 >>
瓜果、蔬菜种植与产品 |
替代情况: | 被NY 5011-2006代替 |
发布部门: | 中华人民共和国农业部 |
发布日期: | 2001-09-03 |
实施日期: | 2001-10-01 |
首发日期: | 1900-01-01 |
作废日期: | 2006-10-01 |
出版日期: | 1900-01-01 |
页数: | 平装16开, 页数:8, 字数:11千字 |
适用范围
本标准规定了无公害食品苹果的要求、试验方法、检验规则、标志、标签、包装、运输和贮存。本标准适用于无公害食品苹果的生产和流通。
前言
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目录
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引用标准
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所属分类: 农业 林业 经济作物 瓜果 蔬菜种植与产品
【英文标准名称】:Railwayapplications-Rollingstockequipment-Shockandvibrationtests
【原文标准名称】:铁路设施.铁路车辆设备.撞击和振动试验
【标准号】:IEC61373-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-05
【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/TC9
【标准类型】:()
【标准水平】:()
【中文主题词】:认证;电力牵引;电气设备;电驱动装置;设备;铁路设施;铁道车辆;铁路;随机变量;铁路车辆;冲击试验;冲击;试验;交通车辆;运载工具;振动;振动试验
【英文主题词】:Certification;Electrictraction;Electricalequipment;Electrically-operateddevices;Equipment;Railwayapplications;Railwayvehicles;Railways;Randomvariable;Rollingstocks;Shocktests;Shocks;Testing;Trafficvehicles;Vehicles;Vibration;Vibrationtests
【摘要】:ThisInternationalStandardspecifiestherequirementsfortestingitemsofequipmentintendedforuseonrailwayvehicleswhicharesubsequentlysubjectedtovibrationsandshockowingtothenatureofrailwayoperationalenvironment.Togainassurancethatthequalityoftheequipmentisacceptable,ithastowithstandtestsofreasonabledurationthatsimulatetheserviceconditionsseenthroughoutitsexpectedlife.Simulatedlong-lifetestingcanbeachievedinanumberofwayseachhavingtheirassociatedadvantagesanddisadvantages,thefollowingbeingthemostcommon:a)amplification:wheretheamplitudesareincreasedandthetimebasedecreased;b)timecompression:wheretheamplitudehistoryisretainedandthetimebaseisdecreased(increaseofthefrequency);c)decimation:wheretimeslicesofthehistoricaldataareremovedwhentheamplitudesarebelowaspecifiedthresholdvalue.Theamplificationmethodasstatedina)above,isusedinthisstandardandtogetherwiththepublicationsreferredtoinClause2;itdefinesthedefaulttestproceduretobefollowedwhenvibrationtestingitemsforuseonrailwayvehicles.However,otherstandardsexistandmaybeusedwithprioragreementbetweenthemanufacturerandthecustomer.Insuchcasestestcertificationagainstthisstandardwillnotapply.WhereserviceinformationisavailabletestscanbeperformedusingthemethodoutlinedinAnnexA.Ifthelevelsarelowerthanthosequotedinthisstandard,equipmentispartiallycertifiedagainstthisstandard(onlyforserviceconditionsgivingfunctionaltestvalueslowerthanorequaltothosespecifiedinthetestreport).Whilstthisstandardisprimarilyconcernedwithrailwayvehiclesonfixedrailsystems,itswideruseisnotprecluded.Forsystemsoperatingonpneumatictyres,orothertransportationsystemssuchastrolleybuses,wherethelevelofshockandvibrationclearlydifferfromthoseobtainedonfixedrailsystems,thesupplierandcustomercanagreeonthetestlevelsatthetenderstage.Itisrecommendedthatthefrequencyspectraandtheshockduration/amplitudebedeterminedusingtheguidelinesinAnnexA.Equipmenttestedatlevelslowerthanthosequotedinthisstandardcannotbefullycertifiedagainsttherequirementsofthisstandard.Anexampleofthisistrolleybuses,wherebybody-mountedtrolleybusequipmentcouldbetestedinaccordancewithcategory1equipmentreferredtointhestandard.Thisstandardappliestosingleaxistesting.Howevermulti-axistestingmaybeusedwithprioragreementbetweenthemanufacturerandthecustomer.Thetestvaluesquotedinthisstandardhavebeendividedintothreecategoriesdependentonlyupontheequipment’slocationwithinthevehicle.
【中国标准分类号】:S30
【国际标准分类号】:17_160;45_060_01
【页数】:74P.;A4
【正文语种】:英语