EN ISO 9509-2006 水质.激活污泥微生物抑制硝化作用鉴定毒性方法(ISO9509:2006)
时间:2024-05-12 18:23:21 来源: 标准资料网 作者：标准资料网 阅读：9262
【英文标准名称】:Waterquality-Toxicitytestforassessingtheinhibitionofnitrificationofactivatedsludgemicroorganisms(ISO9509:2006);EnglishversionofDINENISO9509:2006-10
【原文标准名称】:水质.激活污泥微生物抑制硝化作用鉴定毒性方法(ISO9509:2006)
【标准号】:ENISO9509-2006
【标准状态】:现行
【国别】:
【发布日期】:2006-10
【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】:活性污泥;药液;定义;测定;含量测定;擒纵机构;污泥检验;抑制;微生物分析;微生物;氮化合物;硝化细菌;质量;污水;污泥;物质;试验;毒物;水;水质分析;水常规;水质;水质试验
【英文主题词】:Activatedsludges;Chemicals;Definition;Definitions;Determination;Determinationofcontent;Escapementmechanisms;Examinationofsludge;Inhibition;Microbiologicalanalysis;Microorganisms;Nitrification;Nitrifyingbacteria;Quality;Sewage;Sludge;Substances;Testing;Toxic;Water;Wateranalysis;Waterpractice;Waterquality;Watertesting
【摘要】:
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:19P.;A4
【正文语种】:英语
【英文标准名称】:Mountedgrindingpointsandwheels;safetyprinciplestolerances,designation
【原文标准名称】:磨头.安全技术要求.极限偏差.标记
【标准号】:DIN69170T.2-1988
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardPracticeforFluxLeakageExaminationofFerromagneticSteelTubularProducts
【原文标准名称】:铁磁钢管形制品的磁力泄漏检验的标准实施规程
【标准号】:ASTME570-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E07.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:electromagnetic(eddycurrent)testing;ferromagnetic;fluxleakage;NDT;nondestructivetesting;steel;tubularproducts;Discontinuities--metals/alloys;Electromagnetic(eddycurrent)testing;Ferromagneticpipe/tube;Fluxleaktesting;Leaktesti
【摘要】:Thispracticeoutlinesaprocedureforexaminingferromagnetictubularproductsusingthefluxleakagemethod.Ifproperlyapplied,thismethodiscapableofdetectingthepresenceandlocationofsignificantlongitudinallyortransverselyorienteddiscontinuitiessuchaspits,scabs,slivers,gouges,roll-ins,laps,seams,cracks,holes,andimproperweldsinferromagnetictubesunderinspection.Inaddition,theseverityofadiscontinuitymaybeestimatedandarejectionlevelsetwithrespecttothemagnitudeoftheelectromagneticindicationproducedbythediscontinuity.Theresponsefromnaturaldiscontinuitiescanbesignificantlydifferentfromtheresponseforartificialdiscontinuitiessuchasdrilledholesornotchesofequivalentdepth.Forthisreason,sufficientworkshouldbedonetodeterminetheconditionsnecessarytodetectandmarknaturaldiscontinuitieswhosecharacteristicswilladverselyaffecttheserviceabilityofthetube,inordertoestablishacceptancecriteriabetweenthesupplierandpurchaser.1.1Thispracticecoverstheapplicationandstandardizationofequipmentusingthefluxleakagetestmethodfordetectionofoutersurface,innersurface,andsubsurfacediscontinuitiesinferromagneticsteeltubularproducts(Note1)ofuniformcrosssectionsuchasseamlessandweldedtubing.Note18212;Thetermx201C;tubex201D;orx201C;tubularproductx201D;willbeusedtorefertobothpipeandtubing.1.2Thispracticeisintendedforuseontubularproductshavingoutsidediametersfromapproximatelyx00BD;to24in.(12.7to610mm)withwallthicknessestox00BD;in(12.7mm).Thesetechniqueshavebeenusedforothersizes,however,andmaybesospecifieduponcontractualagreementbetweenthepurchaserandthesupplier.1.3Thispracticedoesnotestablishacceptancecriteria;theymustbespecifiedbytheusingparties.1.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:77_140_40
【页数】:7P.;A4
【正文语种】:英语