BS 3821-4-1982 硬质合金模具和配套硬质合金工具规范.第4部分:顶锻模用硬质合金烧结模坯尺寸和公差
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【英文标准名称】:Specificationforhardmetaldiesandassociatedhardmetaltools-Dimensionsandtolerancesofas-sinteredhardmetalpelletsusedinheadingdies
【原文标准名称】:硬质合金模具和配套硬质合金工具规范.第4部分:顶锻模用硬质合金烧结模坯尺寸和公差
【标准号】:BS3821-4-1982
【标准状态】:现行
【国别】:英国
【发布日期】:1982-07-30
【实施或试行日期】:1982-07-30
【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】:尺寸;金属;硬质合金;锻模;烧结产品;丸状材料;冲模
【英文主题词】:Compressionmoulds;Dies(presstools);Dimensionaltolerances;Dimensions;Tools
【摘要】:ThisInternationalStandardlaysdownthedimensionsandtolerancesofas-sinteredhardmetalpelletsusedinheadingdies.NOTES1AsdefinedinISO3252,theterm"hardmetal"maybeusedsynonymouslywith"cementedcarbide".2IntheUnitedStates,theterm"nib"isusedinsteadoftheterm"pellet".
【中国标准分类号】:J46;H72
【国际标准分类号】:25_120_10
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:StandardGuidefortheInspectionofWaterSystemsforLegionellaandtheInvestigationofPossibleOutbreaksofLegionellosis(Legionnaires''DiseaseorPontiacFever)
【原文标准名称】:军团菌的水系统检查和可能爆发军团病(军团病或庞蒂亚克热)调查的标准指南
【标准号】:ASTMD5952-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D22.05
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:空调系统
【英文主题词】:air-conditioningsystems;epidemiologicalinvestigation;heating;legionella;L.pneumophila;legionellosis;legionellosissurveillance;Legionnaires'disease;microbiologicalwatermonitoring;outbreakinvestigation;
【摘要】:Watersystemsmaybeinspected(seeSection7)andtested(seeSection8)forlegionellaunderthreecircumstances(1)intheabsenceofreportedlegionellosis(see5.2);(2)whenasinglelegionellosiscasehasbeenreported(see5.3);and(3)whentwoormorelegionellosiscasesarereportedinalimitedtimeperiodandgeographicregion(see5.4).Followingarefactorsbuildingownersandoperatorsneedtounderstandwhenconsideringtestingwatersystemsforlegionellaintheabsenceofillness(see5.2)andforsinglelegionellosiscases(see5.3).ReferalsototheCDC2003GuidelinesforPreventingHealth-CareAssociatedPneumonia,andtheCDC2000GuidelinesforPreventingOpportunisticInfectionsAmongHematopoieticStemCellTransplantRecipients,andtheWHOLegionellaandthePreventionofLegionellosis.Detectionoflegionellainawatersystemisnotsufficienttoidentifythesystemasahealthhazard.However,failuretodetectlegionelladoesnotindicate,conclusively,thatthebacteriumisnotpresent(see6.2.4)orthatthewatersystemmaynotposeapotentialhealthhazard.Methodstodetectlegionellavaryinsensitivityandspecificity(see6.2),andlaboratoriesvaryintheirskillandexperienceintheisolationandidentificationoflegionella.Isolationofapparentlyidenticallegionellaefromclinicalandenvironmentalsamples(see6.2.1,6.6.2.4,andSection8)maysuggestthatawatersystemwasthesourceofthelegionellaresponsibleforapatient''sinfection(see5.3.2).However,casesofLegionnaires''diseaseduetodifferentlegionellaserogroupsorspeciesneednotnecessarilyhavedifferentsourcesofexposurebecauseasystemmaybecontaminatedbymorethanonelegionella.Timelyinspection,testing,andtreatmentofpossiblelegionellasourcesmayreducelegalliabilitiesforfacilityownersandoperators.ReferalsototheAPHAPublicHealthLawManual.EnvironmentalTestingforLegionellaintheAbsenceofIllness:Concernedemployers,buildingownersandoperators,facilitymanagers,andothersseektopreventrealandpotentialhealthhazards,ifpossible.Watersystemoperatorsmayidentifyundesirablesituationsbymonitoringroutinelyforlegionellaandmaybeabletoimplementcontrolmeasuresbeforethebacteriumreachesanamountsufficienttocausehumanillness(see6.2.4.2).TheCDC2000GuidelinesforPreventingOpportunisticInfectionsAmongHematopoieticStemCellTransplantRecipientsadvisesthatbecausetransplantrecipientsareatmuchhigherriskfordiseaseanddeathfromlegionellosiscomparedwithotherhospitalizedpersons,periodicculturingforlegionellainwatersamplesfromacenter''spotablewatersupplycouldberegardedaspartofanoverallstrategyforthepreventionofLegionnaires''diseaseintransplantcentersandotherfacilitieshousingpersonsathighriskofinfectionifexposed(see6.4.2).Thereissomeevidencethatenvironmentallegionellasurveillanceshouldbeconsideredaproactivestrategyforthepreventionofhospital-acquiredLegionnairesx2019;disease(1).However,theoptimalmethodology(thatis,frequencyornumberofsites)forenvironmentalsurveillanceculturesintransplantcentershasnotbeendetermined,andthecost-effectivenessofsuchastrategyhasnotbeenevaluatedforeithertransplantcentersorotherhealth-caresettingsnorforinstitutional,commercial,orresidentialbuildings.Someexpertsadviseagainsttestingwatersystemsforlegionellaintheabsenceofillness,particularlyinbuildingsotherthanhospitalsorhealth-carefacilities,giventhatabsoluteexclusionofthisbacteriumfromwatersystemsmaynotbenecessarytopreventlegionellosisnormayitbeachiev.......
【中国标准分类号】:C51
【国际标准分类号】:07_100_10
【页数】:17P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforSyntheticAnionicActiveIngredientinDetergentsbyCationicTitrationProcedure
【原文标准名称】:用阳离子滴定程序对洗涤剂中合成阴离子活性成分的标准试验方法
【标准号】:ASTMD1681-2005
【标准状态】:现行
【国别】:美国
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;肥皂;活性物质;洗涤剂;抛光剂
【英文主题词】:soaps;activesubstances;detergents;testing;polishes
【摘要】:
【中国标准分类号】:G72
【国际标准分类号】:71_100_40
【页数】:7P;A4
【正文语种】:英语
