DIN EN 60335 T.2-52-1993 家用及类似用途电器的安全性.第2部分:通过安全变压器与电网相连接的口腔保健用具的特殊要求
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【英文标准名称】:Safetyofhouseholdandsimilarelectricalappliances;part2:particularrequirementsfororalhygieneappliancesconnectedtothemainssupplythroughasafetyisolatingtransformer(IEC335-2-52:1988,modified);GermanversionEN60335-2-52:1991
【原文标准名称】:家用及类似用途电器的安全性.第2部分:通过安全变压器与电网相连接的口腔保健用具的特殊要求
【标准号】:DINEN60335T.2-52-1993
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardPracticeforDirectPushInstallationofPrepackedScreenMonitoringWellsinUnconsolidatedAquifers
【原文标准名称】:未固结含水土层里预制的滤网式监测井的直推式安装的标准实施规程
【标准号】:ASTMD6725-2004(2010)
【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(US-ASTM)
【起草单位】:D18.21
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:aquifer;directpush;groundwater;monitoringwell;prepackedscreen;waterquality;Siteidentification/investigation/selection;Waterqualitymonitoring;Aquifers;Directpushinstallation;Ground-watermonitoring/sampling;Installation--groundwater/s
【摘要】:Thispracticeisintendedtoprovidetheuserwithinformationontheappropriatemethodsandproceduresforinstallingprepackedscreenmonitoringwellsbydirectpushmethods.Themonitoringwellsmaybeusedtoobtainrepresentativewaterqualitysamplesforaqueousphasecontaminantsorotheranalytesofinterest,eitherorganicorinorganic(Krametal.2000,McCall2000,McCalletal.1997).Themonitoringwellsmayalsobeusedtoobtaininformationonthepotentiometricsurfaceofthelocalaquiferandpropertiesoftheformationsuchashydraulicconductivityortransmissivity.Useofdirectpushmethodstoinstallmonitoringwellscansignificantlyreducetheamountofpotentiallyhazardousdrillcuttingsgeneratedduringwellinstallationatcontaminatedsites.Thismaysignificantlyreducecostofanenvironmentalsiteinvestigationandgroundwatermonitoringprogram.Minimizinggenerationofhazardouswastealsoreducestheexposurehazardstositeworkers,localresidents,andtheenvironment.Directpushmethodsformonitoringwellinstallationarelimitedtouseinunconsolidatedformationssuchasalluvial/streamsediments,glacialdeposits,andbeachtypesediments.Directpushmethodsaregenerallysuccessfulatpenetratingclays,silts,sandsandsomegravel.Depositssuchassoilswiththickcalichelayers,orglacialtillswithlargecobblesorbouldersmaybedifficultorimpossibletopenetratetothedesireddepth.Directpushmethodsarenotdesignedforpenetrationofconsolidatedbedrocksuchaslimestone,graniteorgneiss.1.1Thispracticeisbasedonrecognizedmethodsbywhichdirectpushmonitoringwellsmaybedesignedandinstalledforthepurposeofdetectingthepresenceorabsenceofacontaminant,andcollectingrepresentativegroundwaterqualitydata.Thedesignstandardsandinstallationprocedureshereinareapplicabletobothdetectionandassessmentmonitoringprogramsforfacilities.1.2Therecommendedmonitoringwelldesign,aspresentedinthispractice,isbasedontheassumptionthattheobjectiveoftheprogramistoobtainrepresentativegroundwaterinformationandwaterqualitysamplesfromaquifers.Monitoringwellsconstructedfollowingthispracticeshouldproducerelativelyturbidity-freesamplesforgranularaquifermaterialsrangingfromgravelstosiltysand.Stratahavinggrainsizessmallerthantherecommendeddesignforthesmallestdiameterfilterpackmaterialsshouldbemonitoredbyalternativemonitoringwelldesignswhicharenotaddressedinthispractice.1.3Directpushproceduresarenotapplicableformonitoringwellinstallationunderallgeologicandsoilconditions(forexample,installationinbedrock).Otherrotarydrillingproceduresareavailableforpenetrationoftheseconsolidatedmaterialsforwellconstructionpurposes(GuideD5092).Additionally,undersomegeologicconditionsitmaybeappropriatetoinstallmonitoringwellswithoutafilterpack(EPA1991).GuideD6724maybereferredtoforadditionalinformationontheseandothermethodsforthedirectpushinstallationofgroundwatermonitoringwells.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Thevaluesinparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.6Thispracticeoffersasetofinstructionsforperformingoneorm......
【中国标准分类号】:P13
【国际标准分类号】:13_060_10
【页数】:15P.;A4
【正文语种】:英语
【英文标准名称】:Railwayapplications-Weldingofrailwayvehiclesandcomponents-Part1:General;EnglishversionofDINEN15085-1:2008-01
【原文标准名称】:铁路设施.铁路车辆和部件的焊接法.第1部分:总则
【标准号】:EN15085-1-2007
【标准状态】:现行
【国别】:
【发布日期】:2008-01
【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】:定义;维修;材料;金属的;金属材料;生产;质量保证;铁路设施;铁路车辆零部件;铁道车辆结构;铁道车辆;铁路;规范(验收);焊接;焊接工程;焊接工艺;焊工工作
【英文主题词】:Definition;Definitions;Maintenance;Materials;Metallic;Metallicmaterials;Production;Qualityassurance;Railwayapplications;Railwayvehiclecomponents;Railwayvehicleconstruction;Railwayvehicles;Railways;Specification(approval);Welding;Weldingengineering;Weldingprocesses;Weldingwork
【摘要】:
【中国标准分类号】:S30
【国际标准分类号】:25_160_10;45_060_01
【页数】:12P.;A4
【正文语种】:英语
