DIN EN 50016-1996 防爆区用电气设备.过压密封结构"P"
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【英文标准名称】:Electricalapparatusforpotentiallyexplosiveatmospheres;Pressurizedapparatus"p";GermanversionEN50016:1995
【原文标准名称】:防爆区用电气设备.过压密封结构"P"
【标准号】:DINEN50016-1996
【标准状态】:作废
【国别】:德国
【发布日期】:1996-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:耐火的;加压;保护形式;型式;防爆;防爆;电的;压力过载;防护等级;安装轨;校正(误差);弯边槽轨;管道;延时继电器;电气工程;保护气体;安全装置;试验;泄漏量;电驱动装置;温升极限;设备;温度;作标记;安全要求;定义;外壳
【英文主题词】:
【摘要】:
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:27P;A4
【正文语种】:德语
【英文标准名称】:StandardPracticeforCollectionandHandlingofSoilsObtainedinCoreBarrelSamplersforEnvironmentalInvestigations
【原文标准名称】:环境勘察用岩心管样品机获取的土壤的收集和处置的标准实施规程
【标准号】:ASTMD6640-2001(2010)
【标准状态】:现行
【国别】:美国
【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】:D34.01.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:contaminants;corebarrelsamplers;split-barrel,ring-linedbarrel;subsurfacesoilsampling;thin-walledtube;Environmentalsiteassessment(ESA)--soil/rock;Handlingmaterial--soil/relatedmaterials;Soilsampling;Barrelsampling
【摘要】:Oftenduringenvironmentalinvestigations,soilsareanalyzedafterbeingcollectedfromthesurface,thevadosezone(D653)andsometimesfrombelowthegroundwatertabletoidentifyandquantifythepresenceofachemicalcontaminant.Acontaminantisasubstancethatistypicallyhazardousandeitherisnotnormallypresentorthatoccursnaturallybutisofanuncharacteristicallyhighconcentration(D4687).Athree-dimensionalspatialarrayofsamplescanoftenprovideinformationastothesourceandroute(s)ofmigrationofthecontaminant.Theresultantinformationisusedtodirectremedialandcorrectiveactionsorcanbeusedformonitoringpurposes.Obtainingasoilsamplewithacorebarrelsamplerinvolvesdrivingthisdeviceintothegroundandthenretrievingitforsampleprocessing.Severalmethodsforadvancingacorebarrelaregenerallyacceptable(e.g.,D1586,D1587,D3550,D4700,D5784,D5875,D5876,D6151,D6282,andD6286).Drillingmethodsthatusedrillingfluids(liquidsorair)shouldbeavoidedbecausetheyaremoresusceptibletocross-contamination(SeeSection5.1.6).1.1Thispracticecoversproceduresforobtainingsoilsfromcorebarrelsamplersforchemicalandphysicalanalysis,withanemphasisonthecollectionandhandlingproceduresthatmaintaintherepresentativenessofthechemicalcontaminantsofconcern.Corebarrelsamplersareinitiallyempty(hollow)untiltheyarepushedintothegroundtocollectandretrieveacylindricalsoilsamplewithminimaldisturbance.Theselectionofequipmentandthesamplehandlingproceduresaredependentonthesoilproperties,thedepthofsampling,andthegeneralpropertiesofthechemicalcontaminantsofconcern,thatis,volatileorganiccompounds,semi-volatileorganiccompounds,andinorganicconstituents.Thesamplingproceduresdescribedaredesignedtomaintainrepresentativeconcentrationsofthecontaminantsregardlessoftheirphysicalstate(s),thatis,solid,liquidorgas.1.2Fourgeneraltypesofcorebarrelsamplersarediscussedinthispractice:split-barrel,ring-linedbarrel,thin-walledtube,andsolid-barrelsamplers.1.3Thisdocumentdoesnotcoverallthecorebarreldevicesthatareavailableforthecollectionofsoilsamples.1.4Theproceduresdescribedmayormaynotbeapplicabletohandlingofsamplesforassessingcertaingeotechnicalproperties,forexample,soilporosity.Note18212;Priortocommencementofanyintrusiveexploration,thesiteshouldbecheckedforundergroundutilities.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardto......
【中国标准分类号】:P13
【国际标准分类号】:13_080_01
【页数】:6P.;A4
【正文语种】:英语
