JTJ/T 322-1999 淤泥质港口维护性疏浚工程土方计量技术规程(附条文说明)

上一篇: JT/T 33.15-1993 交通行业工人技术等级标准 公路工程与航务工程 路面工
下一篇: JT/T 33.16-1993 交通行业工人技术等级标准 公路工程与航务工程 水工质量检验工

【英文标准名称】:StandardTestMethodsforProximateAnalysisoftheAnalysisSampleofCoalandCokebyInstrumentalProcedures
【原文标准名称】:使用仪器测量法进行煤和焦炭分析样品近似值分析的标准试验方法
【标准号】:ASTMD5142-2009
【标准状态】:作废
【国别】:美国
【发布日期】:2009
【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】:D05.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Ash--coal/coke;Coal/cokeproducts;Coalsamplingsystems;Coke;Instrumentalmeasurement--coal/coke;Moistureanalysis--coal/coke;Proximateanalysis--coal/coke;Volatilemattercontent--coal/coke
【摘要】:Moisture,asdeterminedbythisinstrumentaltestmethod,isusedforcalculatingotheranalyticalresultstoadrybasisusingproceduresinPracticeD3180.Moistureasdeterminedbythistestmethod,maybeusedinconjunctionwiththeair-drymoisturelossdeterminedbyTestMethodD3302todeterminetotalmoistureincoal.Totalmoistureisusedforcalculatingotheranalyticalresultstoanas-receivedbasisusingPracticeD3180.Ashyield,asdeterminedbythistestmethod,istheresidueremainingafterburningthecoalandcokesamples.SeeNote1.Note18212;Theashobtaineddiffersincompositionandamountfromthemineralconstituentspresentintheoriginalcoal.Combustioncausesanexpulsionofallwater,thelossofcarbondioxidefromcarbonates,theconversionofironpyriteintoironoxidesandsulfuroxides,andotherchemicalreactions.Ashyield,asdeterminedbythistestmethod,candifferfromtheamountofashproducedinfurnaceoperationsorothercombustionsystemsbecausecombustionconditionsinfluencethechemistryandamountofash.Ashyield,asdeterminedbythistestmethodisused,(1)asaprincipalparametertoevaluatesamplingproceduresandcoalcleaningprocesses,(2)intheultimateanalysiscalculationofoxygenbydifferenceusingPracticeD3176,(3)incalculationsincludingmaterialbalance,reactivityandyieldsofproductsrelevanttocoalconversionprocessessuchasgasificationandliquefaction.Volatilematteryield,whendeterminedashereindescribed,maybeusedto(1)establishtherankofcoals,(2)indicatecokeyieldoncarbonization,(3)providethebasisforpurchasingandselling,or(4)establishburningcharacteristics.5.6Fixedcarbonisacalculatedvalue.Itisthedifferencebetween100andthesumofthepercentmoisture,ash,andvolatilematter.Allpercentsshallbeonthesamemoisturereferencebase.5.7Moisture,ash,volatilematter,andfixedcarbonpercentsconstitutetheproximateanalysisofcoalandcoke.5.8Moisture,ash,andvolatilematterarethreeoftheprincipalparametersusedforassessingthequalityofcoal.1.1Theseinstrumentaltestmethodscoverthedeterminationofmoisture,volatilematter,andash,andthecalculationoffixedcarbonintheanalysisofcoalandcokesamplespreparedinaccordancewithMethodD2013andPracticeD346.ResultsobtainedthroughtheuseoftheinstrumentaltestshavebeenshowntodifferfromthoseobtainedwithTestMethodsD3173,D3174,andD3175onsomecoalsandcokes.WherearelativebiasbetweentheinstrumentalmethodsandTestMethodsD3173,D3174,andD3175forproximateanalysisofcoalandcokeareshowntoexist,theinstrumentalresultsshallbecorrectedortheinstrumentcalibratedusingsamplesofknownproximateanalysis.TestMethodsD3173,D3174,andD3175shallbeconsideredtherefereetestmethods.Theinstrumentaltestmethodsarenotapplicabletothermogravimetricanalyzersusingmicrogramsizesamples.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard......
【中国标准分类号】:
【国际标准分类号】:75_160_10
【页数】:5P.;A4
【正文语种】:英语


【英文标准名称】:Verificationofsamplesofuranylorplutoniumnitratesolutionsbydensitymeasurements.
【原文标准名称】:通过密度测定对硝酸铀或硝酸钚溶液样品的验证
【标准号】:NFM60-411-1998
【标准状态】:作废
【国别】:法国
【发布日期】:1998-06-01
【实施或试行日期】:1998-06-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Densitymeasurement;Homogeneity;Nuclearenergy;Plutonium;Plutoniuminorganiccompounds;Samples;Solutions;Tests;Uranylcompounds;Verification
【摘要】:
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:14P.;A4
【正文语种】:其他