EN 1410-1998 饮用水处理用化学品.阳离子聚丙烯醛酰胺
时间:2024-05-21 19:28:33 来源: 标准资料网 作者：标准资料网 阅读：9310
【英文标准名称】:Chemicalsusedfortreatmentofwaterintendedforhumanconsumption-Cationicpolyacrylamides;GermanversionEN1410:1998
【原文标准名称】:饮用水处理用化学品.阳离子聚丙烯醛酰胺
【标准号】:EN1410-1998
【标准状态】:现行
【国别】:
【发布日期】:1998-10
【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】:纯度;水常规(实验);给水;化合物;饮用水;药液;特性;阳离子;饮用水处理;聚丙烯酰胺;水常规;范围;规范(验收);试验;水处理
【英文主题词】:
【摘要】:饮用水处理用化学品.阳离子聚丙烯醛酰胺
【中国标准分类号】:G77
【国际标准分类号】:71_100_80
【页数】:9P;A4
【正文语种】:英语
【英文标准名称】:ULStandardforSafetyElectricalEquipmentforUseinClassIandII,Division2,andClassIIIHazardous(Classified)LocationsThirdEdition;ReprintedWithRevisionsThroughandIncluding2/3/2004
【原文标准名称】:2类1级、2级和3级危险场所用电气设备
【标准号】:UL1604-1994
【标准状态】:作废
【国别】:美国
【发布日期】:1994-04-28
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:安全要求;危险区域;危害等级;电气器具;电气设备;危险场所分类(电气设备用)
【英文主题词】:safetyrequirements;electricalequipment;electricappliances;hazardousareasclassification(forelectricalequipment);dangerzones;hazardclasses
【摘要】:1.1Theserequirementsapplytoequipment,circuits,orcomponentsintendedforuseinClassI,GroupsA,B,C,andD,Division2,hazardous(classified)locations;ClassII,GroupsFandG,Division2,hazardous(classified)locations;andClassIII,Divisions1and2,hazardous(classified)locationsasdefinedinArticle500oftheNationalElectricalCode,NFPA70.1.2TheequipmentshallbecapableofbeinginstalledinaccordancewiththerequirementsintheNationalElectricalCode,NFPA70.Battery-poweredportableequipmentneednotcomplywiththisrequirement1.3TherequirementscoverClassI,Division2electricalequipment,orpartsofsuchequipment,inwhichthecircuitsandcomponentsunderintendedoperatingconditionsareincapableofcausingignitionofthespecifiedflammablegas-orvapor-airmixture.1.4TheserequirementscoverClassII,Division2,andClassIII,Division1andDivision2equipmentthatisconstructedtoreduceorexcludetheentranceofdust.1.5Theserequirementsapplyonlytoequipmentforuseunderthefollowingatmosphericconditions.a)Anambienttemperatureof5to40℃(41to104℉),b)Anoxygenconcentrationnotgreaterthan21percent,andc)Anominalbarometricpressureofoneatmosphere.1.6Theserequirementscoverportablebattery-poweredequipment,otherthanflashlightsandlanterns,forClassIandClassII,Division2,andClassIII,Divisions1and2hazardous(classified)locations.1.6.1Theserequirementsalsocoverequipment,circuits,orcomponentsintendedforinstallationanduseinClassI,Zone2,GroupsIIA,IIB,andIIChazardous(classified)locations.1.7TheserequirementsdonotcoverelectriclightingfixturesforuseinDivision2hazardous(classified)locationswhicharecoveredintheStandardforElectricLightingFixturesforUseinHazardous(Classified)Locations,UL844.1.8Theserequirementsdonotcoverelectricmotors,electricheaters,heattracingcablesandsimilarheat-producingdevices,orequipmentwithcathoderaytubes,foruseinDivision2locations.Suchproductsarecoveredunderseparaterequirements.1.9Theserequirementsdonotcoverexplosion-proof,dust-ignition-proof,orintrinsically-safemethodsofprotectionforelectricalequipmentorpartsthereof.SuchmethodsofprotectionareconsideredacceptableforDivision2hazardouslocations.Therequirementsarecoveredinotherstandards.1.10Aproductthatcontainsfeatures,characteristics,components,materials,orsystemsnewordifferentfromthosecoveredbytherequirementsinthisstandard,andthatinvolvesariskoffireorofelectricshockorinjurytopersonsshallbeevaluatedusingappropriateadditionalcomponentandend-productrequirementstomaintainthelevelofsafetyasoriginallyanticipatedbytheintentofthisstandard.Aproductwhosefeatures,characteristics,components,materials,orsystemsconflictwithspecificrequirementsorprovisionsofthisstandarddoesnotcomplywiththisstandard.Revisionofrequirementsshallbeproposedandadoptedinconformancewiththemethodsemployedfordevelopment,revision,andimplementationofthisstandard.
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:26P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDynamicWaterResistanceofShoeUpperLeatherbytheDowCorningLeatherTester
【原文标准名称】:科林皮革试验器测定鞋帮革抗流水性的标准试验方法
【标准号】:ASTMD2098-2004
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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;皮革;不透水性试验
【英文主题词】:watertightnesstests;testing;leather
【摘要】:
【中国标准分类号】:Y78
【国际标准分类号】:59_140_30
【页数】:4P;A4
【正文语种】:英语