ANSI/ASTM D747-1999 用悬臂梁法进行塑料表面弯曲模数的试验方法
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【英文标准名称】:ApparentBendingModulusofPlasticsbyMeansofaCantileverBeam,TestMethodfor(08.01)
【原文标准名称】:用悬臂梁法进行塑料表面弯曲模数的试验方法
【标准号】:ANSI/ASTMD747-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;塑料
【英文主题词】:Apparent;Beams;Bending;Cantilever;Mean;Plastics;Testing
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:
【正文语种】:英语
【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】:ASTMD5142-2004
【标准状态】:现行
【国别】:
【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】:D05.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:分析样品;试验方法;煤;焦炭
【英文主题词】:proximateanalysis;analysissample;coal;coke;instrumentalprocedures
【摘要】:Moisture,asdeterminedbytheinstrumentaltestmethod,isusedforcalculatingotheranalyticalresultstoamoisture-freebasisusingproceduresinPracticeD3180.Moisturepercentdeterminedbythistestmethodmaybeusedinconjunctionwiththeair-drymoisturelossdeterminedinMethodD2013andTestMethodD3302todeterminetotalmoistureincoal.Totalmoistureisusedforcalculatingotheranalyticalresultstoanas-receivedbasisusingPracticeD3180.Ashyield,asdeterminedbythistestmethod,istheresidueremainingafterburningthecoalandcokesamples.Volatilematteryield,whendeterminedashereindescribed,maybeusedto(1)establishtherankofcoals,(2)indicatecokeyieldoncarbonization,(3)providethebasisforpurchasingandselling,or(4)establishburningcharacteristics.Fixedcarbonisacalculatedvalue.Itisthedifferencebetween100andthesumofthepercentmoisture,ash,andvolatilematter.Allpercentsshallbeonthemoisturereferencebase.Moisture,ash,volatilematter,andfixedcarbonpercentsconstitutetheproximateanalysisofcoalandcoke.Note18212;Theashobtaineddiffersincompositionandamountfromthemineralconstituentspresentintheoriginalcoal.Incinerationcausesanexpulsionofallwater,thelossofcarbondioxidefromcarbonates,theconversionofironpyriteintoironoxidesandsulfuroxides,andotherchemicalreactions.Ashyield,asdeterminedbythistestmethod,candifferfromtheamountofashproducedinfurnaceoperationsorothercombustionsystemsbecauseincinerationconditionsinfluencethechemistryandamountofash.1.1Theseinstrumentaltestmethodscoverthedeterminationofmoisture,volatilematter,andash,andthecalculationoffixedcarbonintheanalysisofcoalandcokesamplespreparedinaccordancewithMethodD2013andPracticeD346.ResultsobtainedthroughtheuseoftheinstrumentaltestshavebeenshowntodifferfromthoseobtainedwithTestMethodsD3173,D3174,andD3175onsomecoalsandcokes.WherearelativebiasbetweentheinstrumentalmethodsandTestMethodsD3173,D3174,andD3175forproximateanalysisofcoalandcokeareshowntoexist,theinstrumentalresultsshallbecorrectedortheinstrumentcalibratedusingsamplesofknownproximateanalysis.TestMethodsD3173,D3174,andD3175shallbeconsideredtherefereetestmethods.Theinstrumentaltestmethodsarenotapplicabletothermogravimetricanalyzersusingmicrogramsizesamples.1.2Themoisturevaluedeterminedisusedforcalculatingotheranalyticalresultstoadrybasis.Whenusedinconjunctionwiththeairdrylossmoisture,asdeterminedinaccordancewithMethodD2013,TestMethodD3302,orPracticeD346,thecalculatedtotalmoisturecanbeusedtoconvertdrybasisanalyticalresultstotheas-receivedbasis.1.3Theresultoftheashdeterminationscanbeappliedintheultimateanalysis,PracticeD3176.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H32
【国际标准分类号】:75_160_10
【页数】:5P.;A4
【正文语种】:
基本信息
标准名称: | 地脚螺栓通用图 |
中标分类: |
建材 >>
建筑构配件与设备 >>
混凝土构配件 |
ICS分类: |
建筑材料和建筑物 >>
建筑构件
|
替代情况: | 被HG/T 21545-2006代替 |
发布日期: | 1992-12-01 |
实施日期: | 1992-01-01 |
首发日期: | 1900-01-01 |
作废日期: | 2007-04-01 |
出版社: | 中国计划出版社 |
出版日期: | 1992-01-01 |
页数: | 30页 |
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所属分类: 建材 建筑构配件与设备 混凝土构配件 建筑材料和建筑物 建筑构件