DIN EN 60079-20-1-2010 易爆环境.第20-1部分:气体和蒸汽分类用材料特性.试验方法和试验数据(IEC60079-20-1-2010).德文版本EN60079-20-1-2010
作者:标准资料网 时间:2024-05-18 02:57:45 浏览:9310
来源:标准资料网
【英文标准名称】:Explosiveatmospheres-Part20-1:Materialcharacteristicsforgasandvapourclassification-Testmethodsanddata(IEC60079-20-1:2010);GermanversionEN60079-20-1:2010
【原文标准名称】:易爆环境.第20-1部分:气体和蒸汽分类用材料特性.试验方法和试验数据(IEC60079-20-1-2010).德文版本EN60079-20-1-2010
【标准号】:DINEN60079-20-1-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-09
【实施或试行日期】:2010-09-01
【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】:燃烧气体;一氧化碳;分类;分类系统;数据;定义;电气工程;电气设备;电驱动装置;爆炸极限;防爆;防火;可燃性环境;闪点;气爆;混合气体;气体;点火电流;点燃温度;维修;物料参量;材料性能;甲烷;测量方法;压力;性能;自燃;规范(验收);温度;试验设备;试验规程;试验;蒸气
【英文主题词】:Burninggases;Carbonmonoxide;Classification;Classificationsystems;Data;Definitions;Electricalengineering;Electricalequipment;Electrically-operateddevices;Explosionlimits;Explosionprotection;Fireproofness;Flammableatmospheres;Flashpoint;Gasexplosion;Gasmixtures;Gases;Ignitioncurrent;Inflammationtemperature;Maintenance;Materialparameters;Materialproperties;Methane;Methodsformeasuring;Pressure;Properties;Self-ignition;Specification(approval);Temperature;Testequipment;Testprocedures;Testing;Vapours
【摘要】:
【中国标准分类号】:
【国际标准分类号】:29_260_20
【页数】:84P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodfor24-hBatch-TypeMeasurementofContaminantSorptionbySoilsandSediments
【原文标准名称】:24小时分批测量土壤和沉积物的污染物吸附作用的标准试验方法
【标准号】:ASTMD4646-2003(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:D34.01.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Organiccompounds--water;Oxidation-reductionpotential(ORP);Physicochemicalprocesses;PCBs(polychlorinatedbiphenyls);Photodegradation;Resourcerecovery;Rotarysolidwasteextractor;Sedimenttoxicitytesting;Soil;Solutesorption;Sorptioncapac
【摘要】:Thistestmethodismeanttoallowforarapid(24h)indexofageomedia''ssorptionaffinityforgivenchemicalsorleachateconstituents.Alargenumberofsamplesmayberunusingthistestmethodtodetermineacomparativerankingofthosesamples,basedupontheamountofsolutesorbedbythegeomedia,orbyvariousgeomediaorleachateconstituents.The24-htimeisusedtomakethetestconvenientandalsotominimizemicrobialdegradationwhichmaybeaprobleminlonger-timedprocedures.WhileKdvaluesaredirectlyapplicableforscreeningandcomparativerankingpurposes,theiruseinpredictivefieldapplicationsgenerallyrequirestheassumptionthatKdbeafixedvalue.Whilethistestmethodmaybeusefulindetermining24-hKdvaluesfornonvolatileorganicconstituents,interlaboratorytestinghasbeencarriedoutonlyforthenonvolatileinorganicspecies,arsenicandcadmium.However,theprocedurehasbeentestedforsinglelaboratoryprecisionwithpolychlorinatedbiphenyls(PCBs)andisbelievedtobeusefulforallstableandnonvolatileinorganic,andorganicconstituents.Thistestmethodisnotconsideredappropriateforvolatileconstituents.The24-htimelimitmaybesufficienttoreachasteady-stateKd.However,toreportthisdeterminationasasteady-stateKd,thistestmethodshouldbeconductedforintermediatetimes(forexample,12,18and22h)toensurethatthesolubleconcentrationsinthesolutionhavereachedasteadystateby24h.RefertoTestMethodD4319foranalternateprocedureoflongerduration.1.1Thistestmethoddescribesaprocedurefordeterminingthesorptionaffinityofwastesolutesbyunconsolidatedgeologicmaterialinaqueoussuspension.Thewastesolutemaybederivedfromavarietyofsourcessuchaswells,underdrainsystems,orlaboratorysolutionssuchasthoseproducedbywasteextractiontestsliketheTestMethodD3987shakeextractionmethod.1.2Thistestmethodisapplicableinscreeningandprovidingrelativerankingsofalargenumberofgeomediasamplesfortheirsorptionaffinityinaqueousleachate/geomediasuspensions.Thistestmethodmaynotexactlysimulatesorptioncharacteristicsthatwouldoccurinunperturbedgeologicsettings.1.3Whilethisproceduremaybeapplicabletobothorganicandinorganicconstituents,caremustbetakenwithrespecttothestabilityoftheparticularconstituentsandtheirpossiblelossesfromsolutionbysuchprocessesasdegradationbymicrobes,light,orhydrolysis.Thistestmethodshouldnotbeusedforvolatilechemicalconstituents(see6.1).1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z18
【国际标准分类号】:13_080_05
【页数】:4P.;A4
【正文语种】:英语
基本信息
| 标准名称： | ＲＪ５５型高稳定金属膜固定电阻器详细规范 |
| 英文名称： | Resistors,fixed,metal film, high stability,Style RJ55,detail specification for |
| 中标分类： |
铁路 >>
铁路综合 >>
技术管理 |
| 发布日期： | 1995-05-25 |
| 实施日期： | 1995-12-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 2页 |
适用范围
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前言
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引用标准
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所属分类： 铁路 铁路综合 技术管理
