NF P41-220-1-1-2007 建筑工程.土壤水分、雨水和废水排水用生铁管.第1-1部分:技术规范
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【英文标准名称】:Buildingworks-Castironpipesforsoilwater,rainwaterandwastewaterdrainage-Part1-1:technicalspecifications.
【原文标准名称】:建筑工程.土壤水分、雨水和废水排水用生铁管.第1-1部分:技术规范
【标准号】:NFP41-220-1-1-2007
【标准状态】:现行
【国别】:法国
【发布日期】:2007-10-01
【实施或试行日期】:2007-10-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Buildings;Castironpipes;Connectionvalves;Discharges;Laying;Pipelines;Residentialfacilities;Sewage;Waterpipelines
【摘要】:
【中国标准分类号】:Q81
【国际标准分类号】:23_040_10;91_140_80
【页数】:11P.;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodsforConcretePipe,ManholeSections,orTile
【原文标准名称】:混凝土管、人孔截面或砖的标准试验方法
【标准号】:ASTMC497a-2003
【标准状态】:作废
【国别】:美国
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:2建筑;7试验;1混凝土;3建筑材料;5板;4管;6轴
【英文主题词】:construction;constructionmaterials;pipes;testing;concretes;plates;shafts
【摘要】:
【中国标准分类号】:Q14
【国际标准分类号】:23_040_50
【页数】:13P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforCleaningMethodsandCleanlinessLevelsforMaterialandEquipmentUsedinOxygen-EnrichedEnvironments
【原文标准名称】:富氧环境用材料和设备的清洁处理方法和清洁度等级的标准实施规程
【标准号】:ASTMG93-2003e1
【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(US-ASTM)
【起草单位】:G04.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:环境;氧;工艺;清洁处理;实验室器皿;材料
【英文主题词】:cleanliness;chemical;level;oxygen
【摘要】:Thepurposeofthispracticeistofurnishqualifiedtechnicalpersonnelwithpertinentinformationfortheselectionofcleaningmethodsforcleaningmaterialsandequipmenttobeusedinoxygen-enrichedenvironments.Thispracticefurnishesqualifiedtechnicalpersonnelwithguidanceinthespecificationofoxygensystemcleanlinessneeds.Itdoesnotactuallyspecifycleanlinesslevels.Insufficientcleanlinessofcomponentsusedinoxygensystemscanresultintheignitionofcontaminantsorcomponentsbyavarietyofmechanismssuchasparticle,mechanical,orpneumaticimpact.ThesemechanismsareexplainedindetailinGuideG88.Adequatecontaminationcontrolinoxygensystemsisimperativetominimizehazardsandcomponentfailuresthatcanresultfromcontamination.Contaminationmustalsobeminimizedtoensureanacceptableproductpurity.Removalofcontaminantsfrommaterialsandcomponentsdependsonsystemconfiguration,materialsofconstruction,andtypeandquantityofcontaminant.Examplesofcleaningprocedurescontainedhereinmaybefollowedorspecifiedforthosematerials,components,andequipmentindicated.Thegeneralcleaningtextcanbeusedtoestablishcleaningproceduresformaterials,components,equipment,andapplicationsnotaddressedindetail.SeeGuideG127fordiscussionofcleaningagentandprocedureselection.DESIG:G9303^TITLE:StandardPracticeforCleaningMethodsandCleanlinessLevelsforMaterialandEquipmentUsedinOxygen-EnrichedEnvironments^SCOPE:1.Scope1.1Thispracticecoverstheselectionofmethodsandapparatusforcleaningmaterialsandequipmentintendedforserviceinoxygen-enrichedenvironments.Contaminationproblemsencounteredintheuseofenrichedair,mixturesofoxygenwithothergases,oranyotheroxidizinggasmaybesolvedbythesamecleaningproceduresapplicabletomostmetallicandnonmetallicmaterialsandequipment.Cleaningexamplesforsomespecificmaterials,components,andequipment,andthecleaningmethodsforparticularapplications,aregivenintheappendices.1.2Thispracticeincludeslevelsofcleanlinessusedforvariousapplicationsandthemethodsusedtoobtainandverifytheselevels.1.3Thispracticeappliestochemical-,solvent-,andaqueous-basedprocesses.1.4Thispracticedescribesnonmandatorymaterialforchoosingtherequiredlevelsofcleanlinessforsystemsexposedtooxygenoroxygen-enrichedatmospheres.1.5Thispracticeproposesapracticalrangeofcleanlinesslevelsthatwillsatisfymostsystemneeds,butitdoesnotdealinquantitativedetailwiththemanyconditionsthatmightdemandgreatercleanlinessorthatmightallowgreatercontaminationlevelstoexist.Furthermore,itdoesnotproposespecificwaystomeasureormonitortheselevelsfromamongtheavailablemethods.1.6Thevaluesstatedinbothinch-poundandSIunitsaretoberegardedseparatelyasthestandardunit.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Federal,stateandlocalsafetyanddisposalregulationsconcerningtheparticularhazardousmaterials,reagents,operations,andequipmentbeingusedshouldbereviewedbytheuser.TheuserisencouragedtoobtaintheMaterialSafetyDataSheet(MSDS)fromthemanufacturerforanymaterialincorporatedintoacleaningprocess.SpecificcautionsaregiveninSection.
【中国标准分类号】:A29
【国际标准分类号】:
【页数】:22P.;A4
【正文语种】: