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BS EN ISO 6103-2005 粘合磨料产品.砂轮交货时的允许不平衡性.静态试验

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【英文标准名称】:Bondedabrasiveproducts-Permissibleunbalancesofgrindingwheelsasdelivered-Statictesting
【原文标准名称】:粘合磨料产品.砂轮交货时的允许不平衡性.静态试验
【标准号】:BSENISO6103-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-05-12
【实施或试行日期】:2005-05-12
【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】:平衡;直径;测量技术;测量;交货条件;规范;定义;磨料;可允许性;机床部件;粘合;磨料制品;不平衡;试验;工具;尺寸;砂轮
【英文主题词】:Abrasiveproducts;Abrasives;Balancing;Bound;Definition;Definitions;Deliveryconditions;Diameter;Dimensions;Grindingwheels;Machinetoolcomponents;Measurement;Measuringtechniques;Permissibility;Specifications;Testing;Tests;Tools;Unbalances
【摘要】:ThisInternationalStandardspecifiesthemaximumpermissiblevaluesofunbalancesforvariousgrindingwheelsofISO603-1toISO603-9andISO603-12toISO603-16intheas-deliveredcondition,withanoutsidediameterD>115mmandmaximumoperatingspeedvs≥16m/s.Italsospecifiesthemethodformeasuringtheunbalanceandthepracticalmethodfortestingwhetheragrindingwheelisacceptableornot.ThisInternationalStandardisapplicabletobondedabrasivegrindingwheelsintheas-deliveredcondition.ThisInternationalStandardisnotapplicableto—diamond,cubicboronnitrideornaturalstonegrindingwheels,orto—centrelesscontrolwheels,lappinganddiscwheels,ballwheelsorglassgrindingwheels.NOTE1Thevaluesgivenrefertothegrindingwheelitself,independentofanyunbalancewhichmayexistinthebalancingarbororinthemeansoffasteningittothisarbor.Thesevariouselements,togetherwiththeflangesorhub-flanges,areassumedtobebalanced,homogeneousandfreefromgeometricaldefects.NOTE2Theeffectsofunbalancearebasically—additionalstressesonthearbor,themachineanditsmounting,—excessivewearofthebearings,—vibrationprejudicialtothequalityofmachiningandincreasedinternalstressesinthegrindingwheel,and—increasedoperatorfatigue.
【中国标准分类号】:J43
【国际标准分类号】:25_100_70
【页数】:16P;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodforLowLevelsofColiphagesinWater
【原文标准名称】:水中低水平大肠菌噬体的标准测试方法
【标准号】:ASTMD6734-2001
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D19.24
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:coliformbacteria;coliphage;fecalcoliformbacteria;indicatorsofpollution;rapidtests
【摘要】:Coliphageorganismsmayserveasindicatorsoffecalcontamination.Thepresenceofcoliphagesinwaterintheabsenceofadisinfectantindicatestheprobablepresenceoffecalcontamination.Theabsoluterelationshipbetweenthenumberofcoliformsandcoliphagesinnaturalwatershasnotbeenconclusivelydemonstrated.Coliphagesaregenerallymoreresistantthancoliformstochlorinationandmayhavesomeadvantageovercoliformsasanindicatoroftreatmentefficiencyindisinfectedwaters.Thedetectionofcoliphagesinawatersampledependsupontheuseofasensitivehoststraininthecoliphageassay.Coliphagesmaybedetectedbythisconcentrationprocedurein6.5htoprovideimportantsame-dayinformationonthesanitaryqualityofwater.Thelowerdetectionlimitofthisconcentrationprocedureis1coliphagepervolumeofwatersampletested.1.1ThistestmethodcoversthedeterminationofcoliphagesinfectiveforE.coliCinwater.Thetestmethodissimple,inexpensive,andyieldsanindicationofwaterqualitywithin6.5h.Thiscoliphagemethodcandeterminecoliphagesinwaterdownto1coliphagepervolumeofwatersampled.1.2Thetestmethodisapplicabletonaturalfreshwatersamplesandtosettled,filteredorfinishedwatersamples.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:07_100_20
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:StandardTestMethodsforAnalysisofLinearDetergentAlkylates
【原文标准名称】:直链洗涤剂烷基化物分析的标准试验方法
【标准号】:ASTMD4337-1989(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1989
【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】:D12.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:linearalkylbenzenes;lineardetergentalkylates;Alkylates;Detergentmaterials/systems--synthetic;Gaschromatography(GC)--detergents;Lineardetergentalkylates
【摘要】:Thesetestmethodsaresuitableforsettingspecificationsonlineardetergentalkylatesandforqualitycontrolwherethesealkylatesaremanufacturedorareusedinamanufacturingprocess.Thegaschromatographytestisusefulinidentifyinglineardetergentalkylatesproducedbythevariousmanufacturingprocessesandfordeterminingtheapplicabilityofalineardetergentalkylatetoaparticularenduse.TestconditionshavebeenoptimizedforresolutionoftheC-9toC-15lineardetergentalkylatesandthepresenceofhigherorlowerchainlengthswillbereadilyapparentbutmayproduceerroneousresults.Thetetralinstructureshavenotbeensufficientlyidentifiedtoallowdeterminationoftetralins,andsmallunidentifiedcomponentsarereportedastetralinsandunidentifieds.Somelineardetergentalkylatesuseamanufacturingprocesswithanorganicchlorideasaprecursor.Thistestmaybeusedtoensurethatthechloridecontentofthealkylateisnotexcessiveforaparticularenduse.Theplatinum-cobaltcolortestisusefulindeterminingthatthecolorofthelineardetergentalkylatewillnotcontributetothecoloroftheenduseproduct.Therefractiveindexandspecificgravitytestsarepossibleaidsintheidentificationoflineardetergentalkylatesandinevaluatingalkylatesforgrosscontaminants.Thewatertestissuitablefordeterminingthatlineardetergentalkylatesdonotcontainamountsofwaterdeleterioustofurtherprocessing.1.1Thesetestmethodscoverchemicalandphysicaltestsapplicabletolineardetergentalkylates,evaluatingthosepropertieswhichcharacterizelineardetergentalkylateswithrespecttoitssuitabilityfordesireduses.Note18212;Lineardetergentalkylatescompriseslinearalkylbenzenespreparedbyvaryingprocessesofvaryinglinearalkylchainlength.Thealkylateissulfonatedforsurfactantuse,thelargestapplicationbeingindetergentproducts.Carefulcontroloflineardetergentalkylatecharacteristicsisdesired;duringsulfonation,variationsofthesulfonatecanoccurthatmayresultineitherdesirableorundesirableend-useproperties.
【中国标准分类号】:Y43
【国际标准分类号】:71_100_40
【页数】:7P.;A4
【正文语种】:英语