NF P98-880-6-2004 热用密封胶.第6部分:试验用样品制备的试验方法

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【英文标准名称】:StandardTestMethodforSamplingandDeterminingParticulateMatterinStackGasesUsinganIn-Stack,InertialMicrobalance
【原文标准名称】:利用惯性微量天平在烟囱内取样并测定烟气中颗粒物质的标准试验方法
【标准号】:ASTMD6831-2005a
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D22.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:取样;测定;气体;竖管;惯量;粒状物;微生物学
【英文主题词】:hollowtubeoscillator;hollowtubeoscillator;in-situ,inertialmicrobalance;lowconcentrationparticulatemattermeasurement;massconcentration;particulatematter;real-timesourceparticulatemattermeasurement
【摘要】:Themeasurementofparticulatematteriswidelyperformedtocharacterizeemissionsfromstationarysourcesintermsoftotalemissionratestotheatmosphereforregulatorypurposes.Thistestmethodisparticularlywellsuitedforuseinperformanceassessmentandoptimizationofparticulatemattercontrolsystems,continuousparticulatematteremissionsmonitoringsystemsandthemeasurementoflowconcentrationparticulatematterladengasstreamsintherangeof0.2mg/m3to50mg/m3.1.1Thistestmethoddescribestheproceduresfordeterminingthemassconcentrationofparticulatematteringaseousstreamsusinganautomated,in-stacktestmethod.Thismethod,anin-situ,inertialmicrobalance,isbasedoninertialmassmeasurementusingahollowtubeoscillator.Thismethodisdescribesthedesignoftheapparatus,operatingprocedure,andthequalitycontrolproceduresrequiredtoobtainthelevelsofprecisionandaccuracystated.1.2Thismethodissuitableforcollectingandmeasuringfilterableparticulatematterconcentrationsintheranges0.2mg/m3andabovetakenineffluentductsandstacks.1.3Thistestmethodmaybeusedforcalibrationofautomatedmonitoringsystems(AMS).Iftheemissiongascontainsunstable,reactive,orsemi-volatilesubstances,themeasurementwilldependonthefiltrationtemperature,andthismethod(andotherin-stackmethods)maybemoreapplicablethanout-stackmethodsforthecalibrationofautomatedmonitoringsystems.1.4Thistestmethodcanbeemployedinsourceshavinggastemperatureupto200Candhavinggasvelocitiesfrom3to27m/s.1.5Thistestmethodincludesadescriptionofequipmentandmethodstobeusedforobtainingandanalyzingsamplesandadescriptionoftheprocedureusedforcalculatingtheresults.1.6Stacktemperatureslimitationforthistestmethodisapproximately200C(392F).1.7Thistestmethodmaybealsobelimitedfromuseinsamplinggasstreamsthatcontainfluoride,orotherreactivespecieshavingthepotentialtoreactwithorwithinthesampletrain.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z15
【国际标准分类号】:07_100_01
【页数】:12P.;A4
【正文语种】:


【英文标准名称】:Applicationofhardcuttingmaterialsformachiningbychipremoval-Designationofthemaingroupsofchipremovalandgroupsofapplication
【原文标准名称】:机加排屑用硬削切材料应用.排屑组和应用组标记
【标准号】:BS7662-1993
【标准状态】:作废
【国别】:英国
【发布日期】:1993-05-15
【实施或试行日期】:1993-05-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:作标记;陶瓷;色码;切削工具;分类系统;金刚石;符号;硬质合金;氮化物;硼无机化合物;切削;名称与符号;金刚石刀具
【英文主题词】:
【摘要】:
【中国标准分类号】:J50
【国际标准分类号】:25_100_01
【页数】:14P;A4
【正文语种】:英语