ANSI INCITS 246-1994 信息处理系统.带不连续编码组格式(DBF)的90mm只读和可重写M.O.数据存储盒式光盘的介质特性试验方法代替ANSIX3.246-1994
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【英文标准名称】:InformationProcessingSystems-TestMethodsforMediaCharacteristicsof90mmReadOnlyandRewritableM.O.OpticalDiskDataStorageCartridgewithDiscreteBlockFormat(DBF)ReplacesANSIX3.246-1994
【原文标准名称】:信息处理系统.带不连续编码组格式(DBF)的90mm只读和可重写M.O.数据存储盒式光盘的介质特性试验方法代替ANSIX3.246-1994
【标准号】:ANSIINCITS246-1994
【标准状态】:现行
【国别】:美国
【发布日期】:1994-01-01
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Specifiestestmethodsformediacharacteristicsofopticaldisksusedforinformationprocessingsystemsandforinformationstorage(90-mmrewritableopticaldiskcartridges,usingdiscreteblockformat(DBF)).
【中国标准分类号】:L64
【国际标准分类号】:35_220_30
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodsforProximateAnalysisofCoalandCokebyMacroThermogravimetricAnalysis
【原文标准名称】:运用宏观热重分析法对煤和焦炭进行成分分析的标准试验方法
【标准号】:ASTMD7582-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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;macrothermogravimetricanalysis,macro-TGA;moisture;proximateanalysis;volatilematter;Coal/cokeproducts;Proximateanalysis--coal/coke;Thermogravimetricanalysis(TGA);Volatilemattercontent--coal/coke
【摘要】:Moisture,asdeterminedbythisinstrumentaltestmethod,isusedforcalculatingotheranalyticalresultstoadrybasisusingproceduresinPracticeD3180.Moisturecanbeusedinconjunctionwiththeair-drymoisturelossdeterminedbyTestMethodD3302todeterminetotalmoistureincoal.Totalmoistureisusedforcalculatingotheranalyticalresultstoanas-receivedbasisusingPracticeD3180.Ashyieldistheresidueremainingafterheatingthecoalandcokesamples(seeNote1).Note18212;Theashobtaineddiffersincompositionandamountfromthemineralconstituentspresentintheoriginalcoal.Combustioncausesanexpulsionofallwater,thelossofcarbondioxidefromcarbonates,theconversionofironpyriteintoironoxidesandsulfuroxides,andotherchemicalreactions.Ashyield,asdeterminedbythistestmethod,candifferfromtheamountofashproducedinfurnaceoperationsorothercombustionsystemsbecausecombustionconditionsinfluencethechemistryandamountofash.Ashyieldisused,(1)asaparameterforevaluatingsamplingproceduresandcoalcleaningprocesses,(2)intheultimateanalysiscalculationofoxygenbydifferenceusingPracticeD3176,(3)incalculationsincludingmaterialbalance,reactivityandyieldsofproductsrelevanttocoalconversionprocessessuchasgasificationandliquefaction,(4)incalculationstoestimatetheloadingonelectrostaticprecipitatorsandontheflyashandbottomashdisposalsystemsaswellaserosionratesonboilersystems.Volatilematteryield,whendeterminedashereindescribed,maybeusedto(1)indicatecokeyieldoncarbonization,(2)providethebasisforpurchasingandselling,or(3)establishcombustioncharacteristics.Fixedcarbonisacalculatedvalue.Itisthedifferencebetween100andthesumofthepercentmoisture,ash,andvolatilematter.Allpercentsshallbeonthesamemoisturereferencebase.Moisture,ash,andvolatilematterarethreeoftheprincipalparametersusedforassessingthequalityofcoal.1.1Theseinstrumentaltestmethodscoverthedeterminationofmoisture,volatilematter,andash,andthecalculationoffixedcarbonintheanalysisofcoalandcokesamplespreparedinaccordancewithPracticeD2013andPracticeD346.1.2Theseinstrumentaltestmethodsarenotapplicabletothermogravimetricanalyzersusingmicrogramsizesamples.1.3TestMethodsD3173,D3174,andD3175shallbeconsideredtherefereetestmethods.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5【英文标准名称】:Rubber.Calibrationandverificationofhardnesstesters
【原文标准名称】:橡胶.硬度测定仪校准和检验
【标准号】:BSISO18898-2012
【标准状态】:现行
【国别】:英国
【发布日期】:2012-07-31
【实施或试行日期】:2012-07-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:校准;恒荷载;弹性体;硬度;硬度测量;硬度测试仪;国际橡胶硬度标度;材料测试;计量学;质量;橡胶;肖氏(硬度);肖氏硬度;规范(验收);试验设备;试验;验证;硫化橡胶;磨损量
【英文主题词】:Calibration;Deadloading;Elastomers;Hardness;Hardnessmeasurement;Hardnesstesters;IRHD;Materialstesting;Metrology;Quality;Rubber;Shore;Shorehardness;Specification(approval);Testequipment;Testing;Verification;Vulcanizedrubber;Wear-quantity
【摘要】:
【中国标准分类号】:
【国际标准分类号】:83_060
【页数】:26P;A4
【正文语种】:英语
