EN 2832-1993 航空航天.钢的氢脆性.缺口试样试验
时间:2024-05-19 19:30:45 来源: 标准资料网 作者：标准资料网 阅读：9826
【英文标准名称】:Aerospaceseries;hydrogenembrittlementofsteels;notchedspecimentest;germanversionEN2832:1993
【原文标准名称】:航空航天.钢的氢脆性.缺口试样试验
【标准号】:EN2832-1993
【标准状态】:现行
【国别】:
【发布日期】:1993-04
【实施或试行日期】:
【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】:试验;材料力学性能;氢脆;脆裂;航空航天运输;航天运输;抗拉试验;钢;氢;高强度钢;材料;航空运输;V形试件试验
【英文主题词】:Aerospacetransport;Airtransport;Embrittlement;High-tensilesteels;Hydrogen;Hydrogenembrittlement;Materials;Mechanicalbehaviourofmaterials;Notchedspecimentest;Spacetransport;Steels;Tensiletesting;Testspecimens;Testing
【摘要】:
【中国标准分类号】:V11
【国际标准分类号】:49_025_10
【页数】:8P.;A4
【正文语种】:英语
【英文标准名称】:Organiccoatingsystemsandliningsforprotectionofindustrialapparatusandplantsagainstcorrosioncausedbyaggressivemedia-Liningsonmetalliccomponents
【原文标准名称】:防止工业装置和设备受侵入介质腐蚀的有机涂层系统和衬料.金属构件衬料
【标准号】:BSEN14879-4-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-08-31
【实施或试行日期】:2007-08-31
【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】:验收检验;仪器工程;人造树脂;化学工程;化工技术;化工设备;覆层厚度;覆层;元部件;容器;防腐蚀;定义;设计;检验;内部覆层;材料;金属;有机覆层;性能试验;塑料叠层板;工艺工程;防护覆层;合格试验;质量控制;规范(验收);储罐;表面处理;表面;监督(认可);水箱(容器);测试;厚度
【英文主题词】:Acceptanceinspection;Apparatusengineering;Artificialresins;Chemicalengineering;Chemicaltechnology;Chemicaltechnologyequipment;Coatingthickness;Coatings;Components;Containers;Corrosionprotection;Definition;Definitions;Design;Inspection;Internalcoatings;Materials;Metals;Organiccoatings;Performancetests;Plasticlaminations;Processengineering;Protectivecoatings;Qualificationtests;Qualitycontrol;Specification(approval);Storagetank;Surfacetreatment;Surfaces;Surveillance(approval);Tanks(containers);Testing;Thickness
【摘要】:Thisdocumentdescribestherequirementsforandmethodsoftestingoforganicliningswhichareappliedtometallicprocessengineeringequipmentthatwillcomeincontactwithchemicalsubstances.Therequirementsspecifiedheremaybeusedforthepurposesofqualitycontrol(e.g.asagreedbetweenthecontractpartners1)).Thestandardappliestoliningswhichserveoneormoreofthefollowingpurposes:?toprotectthecomponentfromadverseeffectsofaggressivesubstances;?toprotectwaters(e.g.groundwater)fromharmfulsubstances;?toprotectthechargefrombecomingcontaminatedbycomponentsreleasedfromthesubstratematerial;?toachieveaparticularsurfacequality.Thisstandardappliestovessels,apparatus,pipingpartsandothercomponentsforprocessplantsmadeofmetallicsubstratematerialswhichareincontactwithmediaandareprovidedwithasurfaceprotectionmadeofa)prefabricated,naturalorsyntheticrubberbasedsheeting(subsequentlynamedrubberlining),tobeappliedintheworkshoporonsite;b)prefabricated,phenolformaldehydeorepoxyresinbasedsheeting(subsequentlynamedduroplasticlining),tobeappliedintheworkshoponly;c)prefabricated,thermoplasticproducts(e.g.foils,sheeting,plates,pipes)(subsequentlynamedthermoplasticlining),tobeappliedintheworkshoporonsite.Thestandardspecifiestherequirements,acceptanceinspection,packaging,transport,storageandinstallationoforganicliningsformetallicmaterials.Thetestsdescribedinthisstandardareintendedforverificationofthesuitabilityofsheetingusedforliningsandforacceptanceinspectiontobecarriedoutontheproductsduringorafterapplicationoftheliningoraspartofroutineinspectionstodetermineanychangeseffectedintheliningduringservice.
【中国标准分类号】:A29
【国际标准分类号】:25_220_60
【页数】:44P.;A4
【正文语种】:英语
【英文标准名称】:Waterquality-Determinationofmercury-Methodsinvolvingenrichmentbyamalgamation
【原文标准名称】:水质汞的测定汞齐化选法
【标准号】:ISO16590-2000
【标准状态】:作废
【国别】:国际
【发布日期】:2000-12
【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/TC147
【标准类型】:()
【标准水平】:()
【中文主题词】:地表水;水常规(实验);水污染;污染;地下水;汞齐合金;水质分析;水质试验;还原法;抽样方法;杂质;汞;还原;汞电解池处理;定义;试验设备;含量测定;额定值;化学分析和试验;试验;水质;污水
【英文主题词】:Amalgams;Chemicalanalysisandtesting;Contamination;Definition;Definitions;Determinationofcontent;Groundwater;Impurities;Mercury;Mercury-cellprocess;Ratings;Reduction;Reductionmethods;Samplingmethods;Sewage;Surfacewater;Testequipment;Testing;Wateranalysis;Waterpollution;Waterpractice;Waterquality;Watertesting
【摘要】:ThisInternationalStandardspecifiestwomethodsforthedeterminationofmercury,oneusingtin(ll)chlorideandtheothersodiumtetrahydroborateasreducingagent.Themethodsaresuitableforthedeterminationofmercuryinwater,forexampleinground,surfaceorwastewater,intheconcentrationrange0,01μg/lto1μg/l.Higherconcentrationsmaybedeterminedifthewatersampleisdiluted.Thetotalmercurycontentofthewaterisdeterminedafterdigestionofthesample.Ifonlysolublemercurycompoundsaretobedetermined,thesampleisfilteredthrougha0,45μmmembranefilterpriortodigestion.Mono-ordivalentmercuryisreducedtotheelementalformbyareducingagentsuchastin(ll)chloride,SnCl2.orsodiumtetrahydroborate,NaBH4,inanacidmedium.Elementalmercuryisthenstrippedfromthesolutionwiththeaidofastreamofinertgaswithnegligiblemercurycontentandtransportedoveranoble-metalsurfacewithalargearea,suchasgold/platinumgauze,onwhichthemercuryisadsorbed.Themercuryisreleasedbyrapidheatingoftheadsorbentandfurthertransportedinastreamofcarriergastoasuitablecuvette.Absorbancesaremeasuredatawavelengthof253,7nmintheradiationbeamofanatomicabsorptionspectrometer.Concentrationsarecalculatedusingacalibrationcurve.Inordertofullydecomposeallofthemercurycompounds,adigestionprocedureisrequired.Digestioncanbeomittedonlyifitiscertainthatthemercuryconcentrationmaybemeasuredwithoutthispretreatment.Carefulconsiderationshouldbegiventowhether,andtowhatextent,particularproblemswillrequirethespecificationofadditionalconditions.ItisabsolutelyessentialthatanalysesconductedinaccordancewiththisInternationalStandardarecarriedoutbysuitablyqualifiedstaff.Innaturalwatersources,mercurycompoundsgenerallyoccuronlyinverysmallconcentrationsoflessthan0,1μg/l.Higherconcentrationsmaybefound,forexample,inwastewater.Bothinorganicandorganiccompoundsofmercurycanbepresent.Mercurymayaccumulateinsedimentandsludge.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:21P.;A4
【正文语种】:英语