ISO 9509-1989 水质评价化学药品和污水对活性污泥中微生物硝化抑制作用的方法
时间:2024-05-16 07:58:33 来源: 标准资料网 作者：标准资料网 阅读：9264
【英文标准名称】:Waterquality;methodforassessingtheinhibitionofnitrificationofactivatedsludgemicro-organismsbychemicalsandwastewaters
【原文标准名称】:水质评价化学药品和污水对活性污泥中微生物硝化抑制作用的方法
【标准号】:ISO9509-1989
【标准状态】:作废
【国别】:国际
【发布日期】:1989-10
【实施或试行日期】:1989-10-15
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC147
【标准类型】:()
【标准水平】:()
【中文主题词】:污泥;水质;质量;测定;水;试验;擒纵机构;污水处理的沉淀物;抑制;微生物分析;微生物
【英文主题词】:
【摘要】:1ThisInternationalStandardspecifiesamethodforassessingtheshort-terminhibitoryeffectsoftestsubstancesonnitrifyingbacteriainactivatedsludge.Theinhibitoryeffectisestimatedoveranexposureperiodof4h.2Themethodissuitableforusewithnitrifyingactivatedsludgederivedfromdomesticsewage.Itisalsopossibletousenitrifyingsludgesderivedfromsyntheticsewage.3Initially,thenitrifyingactivityoftheactivatedsludgeisverifiedbyadditionofaspecificinhibitor(e.g.allylthiourea).Ifthenitrificationrate(see8.1)iswithinasuitablerangeforthetest[2to6,5milligramsofnitrogenpergramsuspendedsolidsperhour(2mgofN/(g·h)to6,5mgofN/(g·h)],thesludgeisuseddirectly;ifnot,adjustmentsarenecessary(seeclause9).4Themethodisapplicabletonon-volatilechemicalsubstanceswhicharesolubleinwaterandalsotowastewaters.Itispossibletouseinsolublesubstances,ifcareistakentoensureasmuchhomogeneityaspossible.5Itisimportanttostressthatsludgesfromdifferentsourcesresponddifferentlytoagivenconcentrationofanin-hibitorandthisisprobablydue,atleastinpart,toreactionbe-tweentheinhibitorandcomponentsofthesludgeresultinginapartialnullifyingofthetoxiceffect.Also,sincethetestlastsonly4h,itmustbeborneinmindthatanyinhibitoryeffectsmaydiminish,orincrease,overalongerperiod,e.g.inthecon-tinuousactivatedsludgesystem.
【中国标准分类号】:Z05
【国际标准分类号】:13_060_50
【页数】:6P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticesforVerificationofDisplacementMeasuringSystemsandDevicesUsedinMaterialTestingMachines
【原文标准名称】:用于材料试验机械的位移测量系统和装置验证的标准规程
【标准号】:ASTME2309-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:E28.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:热;释放;防火;可见的;灾害控制;试验;事故预防;防火安全;烟
【英文主题词】:calibration;displacementrange;resolution;verification
【摘要】:Testingmachinesthatapplyandmeasuredisplacementareusedinmanyindustries.Theymaybeusedinresearchlaboratoriestodeterminematerialproperties,andinproductionlinestoqualifyproductsforshipment.Thedisplacementmeasuringdevicesintegraltothetestingmachinesmaybeusedformeasurementofcrossheadoractuatordisplacementoveradefinedrangeofoperation.TheaccuracyofthedisplacementvalueshallbetraceabletotheNationalInstituteofStandardsandTechnology(NIST)oranotherrecognizedNationalLaboratory.PracticesE2309providesaproceduretoverifythesemachinesandsystems,inorderthatthemeasureddisplacementvaluesmaybetraceable.Akeyelementtohavingtraceabilityisthatthedevicesusedintheverificationproduceknowndisplacementcharacteristics,andhavebeencalibratedinaccordancewithadequatecalibrationstandards.1.1Thesepracticescoverproceduresandrequirementsforthecalibrationandverificationofdisplacementmeasuringsystemsbymeansofstandardcalibrationdevicesforstaticandquasi-statictestingmachines.Thispracticeisnotintendedtobecompletepurchasespecificationsfortestingmachinesordisplacementmeasuringsystems.Displacementmeasuringsystemsarenotintendedtobeusedforthedeterminationofstrain.SeePracticeE83.1.2Theseproceduresapplytotheverificationofthedisplacementmeasuringsystemsassociatedwiththetestingmachine,suchasascale,dial,markedorunmarkedrecorderchart,digitaldisplay,etc.Inallcasesthebuyer/owner/usermustdesignatethedisplacement-measuringsystem(s)tobeverified.1.3Sinceconversionfactorsarenotrequiredinthispractice,eitherSIunits,orinchunits,canbeusedasthestandard.1.4Displacementvaluesindicatedondisplays/printoutsoftestingmachinedatasystems-betheyinstantaneous,delayed,stored,orretransmitted-whicharewithintheClassificationcriterialistedin,complywithPracticesE2309.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N71
【国际标准分类号】:13_220_01
【页数】:6P.;A4
【正文语种】:
【英文标准名称】:Specificationforreinforcedplasticspipes,fittingsandjointsforprocessplants
【原文标准名称】:制炼厂用增强塑料管、配件和接头规范
【标准号】:BS6464-1984
【标准状态】:现行
【国别】:英国
【发布日期】:1984-09-28
【实施或试行日期】:1984-09-28
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:表面缺陷;剥离试验;管道配件;覆层;检验;尺寸公差;法兰管件;管连接件;玻璃纤维;环氧树脂;作标记;尺寸;负荷;直通联接器;压力荷载;塑料;最大荷载;性能试验;附着力试验;试样;剪切试验;抗拉强度;管道覆层;表面纹理;叠层板材;弯管联接器;外观检查(试验);厚度;弹性常数;机械试验;抗拉试验;胶粘剂;对接接头;管连接;周期性荷载;三通管;承口法兰;管;焊接;高聚物;认证(认可);增强的材料;复合材料;安全工作荷载;设计计算;焊接接头;热固性聚合物;剪切强度;化工设备;法兰;试验设备;聚酯
【英文主题词】:Adhesiontests;Adhesives;Bendcouplings;Buttjoints;Certification(approval);Chemicaltechnologyequipment;Coatings;Compositematerials;Compressionloading;Cyclicloading;Designcalculations;Dimensionaltolerances;Dimensions;Elasticconstants;Elbows(pipes);Epoxyresins;Flangedfittings;Flanges;Glassfibres;Inspection;Laminates;Loading;Marking;Maximumload;Mechanicaltesting;Peelingtests;Performancetesting;Pipecoatings;Pipecouplings;Pipefittings;Pipejunctions;Pipetees;Pipes;Plastics;Polyesters;Polymers;Reinforcedmaterials;Safeworkingload;Shearstrength;Sheartesting;Socketflanges;Straightcouplings;Surfacedefects;Surfacetexture;Tensilestrength;Tensiletesting;Testequipment;Testspecimens;Thermosettingpolymers;Thickness;Visualinspection(testing);Weldedjoints;Welding
【摘要】:Specifiesmaterials,properties,designcalculations,manufacture,inspection,testingandinstallationofreinforcedplasticspipelines.
【中国标准分类号】:G33
【国际标准分类号】:23_040_20;23_040_45
【页数】:50P.;A4
【正文语种】:英语