NF C32-215-1998 起重机用软电缆
时间:2024-05-06 17:36:28 来源: 标准资料网 作者：标准资料网 阅读：9688
【英文标准名称】:Flexiblecablesforlifts.
【原文标准名称】:起重机用软电缆
【标准号】:NFC32-215-1998
【标准状态】:现行
【国别】:法国
【发布日期】:1998-09-01
【实施或试行日期】:1998-09-05
【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】:塑料;作标记;绝缘线;试验;电缆;电缆;规范(验收);设计;定义;定义;柔性;聚氯乙烯;额定电压;开降电缆;拖曳电缆;软电缆;提升机;电气工程
【英文主题词】:Cables;Definition;Definitions;Design;Electriccables;Electricalengineering;Flexible;Flexiblecables;Hoists;Insulatedcords;Liftcables;Marking;Plastics;Polyvinylchloride;Ratedvoltage;Specification(approval);Testing;Trailingcables
【摘要】:
【中国标准分类号】:K13
【国际标准分类号】:29_060_20
【页数】:25P.;A4
【正文语种】:其他
【英文标准名称】:Ambientair-Determinationofasbestosfibres-Indirect-transfertransmissionelectronmicroscopymethod
【原文标准名称】:环境空气石棉纤维的测定间接传递电子显微镜法
【标准号】:ISO13794-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-07
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC146
【标准类型】:()
【标准水平】:()
【中文主题词】:石棉粉;定义;定义;含量测定;石棉;环境空气;显微分析;空气污染;空气质量
【英文主题词】:Airpollution;Airquality;Ambientair;Asbestos;Asbestosdust;Definition;Definitions;Determinationofcontent;Microscopicanalysis
【摘要】:1SubstancedeterminedThisInternationalStandardspecifiesareferencemethodusingtransmissionelectronmicroscopy(TEM)fordeterminationoftheconcentrationofasbestosstructuresinambientatmospheres.Thespecimenpreparationprocedureincorporatesashinganddispersionofthecollectedpaniculate,sothatallasbestosismeasured,includingtheasbestosoriginallyincorporatedinparticleaggregatesorparticlesofcompositematerials.Thelengths,widthsandaspectratiosoftheasbestosfibresandbundlesaremeasured,andthese,togetherwiththedensityofthetypeofasbestos,alsoallowthetotalmassconcentrationofairborneasbestostobecalculated.Themethodallowsdeterminationofthetype(s)ofasbestosfibrepresent.Themethodcannotdiscriminatebetweenindividualfibresoftheasbestosandnon-asbestosanaloguesofthesameamphibolemineral.2TypeofsampleThemethodisdefinedforpolycarbonatecapillary-porefiltersorcelluloseester(eithermixedestersofcelluloseorcellulosenitrate)filtersthroughwhichaknownvolumeofairhasbeendrawn.Themethodissuitablefordeterminationofasbestosinbothexteriorandbuildingatmospheres.3RangeTheupperlimitfortherangeofconcentrationthatcanbemeasuredontheanalyticalfilteris7000structures/mm.Thelowerlimitoftherangethatcanbemeasuredontheanalyticalfiltercorrespondstodetectionof2,99structuresintheareaofspecimenexamined.Theairconcentrationsrepresentedbythesevaluesareafunctionofthevolumeofairsampledandthedegreeofdilutionorconcentrationselectedduringthespecimenpreparationprocedures.Themethodisparticularlyapplicableformeasurementsinareaswithhighsuspended-particulateconcentrations(exceeding10μg/m),orwheredetectionandidentificationofasbestosfibresarelikelytobepreventedorhinderedbyothertypesofparticulateindirect-transferTEMpreparations.Intheory,thereisnolowerlimittothedimensionsofasbestosfibreswhichcanbedetected.Inpractice,microscopistsvaryintheirabilitytodetectverysmallasbestosfibres.Therefore,aminimumlengthof0,5μmhasbeendefinedastheshortestfibretobeincorporatedinthereportedresults.4LimitofdetectionThelimitofdetectiontheoreticallycanbeloweredindefinitelybyfiltrationofprogressivelylargervolumesofair,concentratingthesampleduringspecimenpreparation,andbyextendingtheexaminationofthespecimensintheelectronmicroscope.Inpractice,thelowestachievablelimitofdetectionforaparticularareaofTEMspecimenexaminediscontrolledbythetotalsuspendedparticulateconcentrationremainingaftertheashingandaqueousdispersalsteps,andthisdependsonthechemicalnatureofthesuspendedparticulate.Fortotalsuspendedparticulateconcentrationsofapproximately10μg/m,correspondingtoclean,ruralatmospheres,andassumingfiltrationof4000litresofair,ananalyticalsensitivityof0,5structure/litrecanbeobtained,equivalenttoalimitofdetectionof1,8structures/litre,ifanareaof0,195mmoftheTEMspecimensisexamined.LowerlimitsofdetectioncanbeachievedbyincreasingtheareaoftheTEMspecimenthatisexamined,orbyconcentrationofthesampleduringspecimenpreparation.Inordertoachievelowerlimitsofdetectionforfibresandbundleslongerthan5μm,andforPCM-equivalentfibres,lowermagnificationsarespecifiedwhichpermitmorerapidexaminationoflargerareasoftheTEMspecimenswhentheexaminationislimitedtothesedimensionsoffibre.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_20
【页数】:64P;A4
【正文语种】:英语
【英文标准名称】:Householdandsimilarelectricalappliances-Safety-Part2-72:Particularrequirementsforautomaticmachinesforfloortreatmentforcommercialandindustrialuse
【原文标准名称】:家用和类似用途电器.安全.第2-72部分:工业和商用地板自动处理机的特殊要求
【标准号】:IEC60335-2-72-2005
【标准状态】:作废
【国别】:国际
【发布日期】:2005-06
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC61J
【标准类型】:()
【标准水平】:()
【中文主题词】:作标记;清洁设备;电气工程;地板处理机;试验;机械安全;安全;贸易;工业机械;自动;规范(验收);家用电器;电气安全;安全要求;工业;设备安全;电气器具;防电击;家用;地板卫生设备;定义
【英文主题词】:Automatic;Cleaningequipment;Definitions;Electricappliances;Electricalengineering;Electricalhouseholdappliances;Electricalsafety;Equipmentsafety;Floorcleaningequipment;Floortreatmentmachines;Householduse;Industrialmachines;Industries;Marking;Mechanicalsafety;Protectionagainstelectricshocks;Safety;Safetyrequirements;Specification(approval);Testing;Trade
【摘要】:Dealswiththesafetyofmainsorbatterysuppliedportablecombinedmachines,withorwithoutabuilt-inbatterycharger,havingachassiswithorwithouttractiondrive,intendedforcommercialandindustrialuseindoorsoroutdoorsfordryorwettrea
【中国标准分类号】:Y60
【国际标准分类号】:97_080
【页数】:58P;A4
【正文语种】:英语