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【英文标准名称】:StandardTestMethodforMicroscopicalDeterminationoftheMaceralCompositionofCoal
【原文标准名称】:显微测定煤的煤素质组分的标准试验方法
【标准号】:ASTMD2799-2005a
【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】:D05.28
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:测定;燃料;体积;松密度测定(纸张);固体燃料;含量测定;煤
【英文主题词】:coal;exinite;fusinite;maceral;micrinitemicroscopy;mineralmatter;organiccomponents;petrographicanalysis;resinite;semi-fusinite;vitrinite
【摘要】:Thevolumepercentofphysicalcomponentsofcoalisusedasanaidincoalseamcorrelationandinthecharacterizationofcoalsfortheiruseincarbonization,gasification,liquefaction,andcombustionprocesses.Thistestmethodisforuseinscientificandindustrialresearch,notcomplianceorrefereetests.1.1Thistestmethodcoverstheequipmentandtechniquesusedfordeterminingthephysicalcompositionofacoalsampleintermsofvolumepercentoftheorganiccomponentsandofmineralmatter,ifdesired.1.2Thetermweightistemporarilyusedinthistestmethodbecauseofestablishedtradeusage.Thewordisusedtomeanbothforceandmassandcaremustbetakentodeterminewhichismeantineachcase(theSIunitforforceisnewtonandformass,kilogram).1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:D21
【国际标准分类号】:73_040
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Prevailingtorquetypehexagonthinnuts(withnon-metallicinsert)
【原文标准名称】:通用扭矩型六角薄螺母(用非金属垫圈)
【标准号】:BSENISO10511-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-05-15
【实施或试行日期】:1998-05-15
【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】:尺寸公差;螺母;六角头紧固件;螺纹嵌镶件;钢;扭矩;精整;螺纹紧固件;名称与符号;等级(质量);材料的机械性能;内螺纹紧固件;螺纹;尺寸;螺距;紧固件
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesthecharacteristicsofprevailingtorquetypehexagonthinnuts(withnon-metallicinsert)withthreadfromM3uptoandincludingM36,inproductgradeAforthreadsuptoandincludingM16andproductgradeBforthreadsaboveM16,andwithpropertyclasses04and05.NOTE—ThedimensionsofthenutscorrespondtothosegiveninISO4035plusprevailingtorquefeature.Ifotherspecificationsarerequired,theyshouldbeselectedfromexistingInternationalStandards,forexampleISO261,ISO965-2,ISO2320andISO4759-1.
【中国标准分类号】:J13
【国际标准分类号】:21_060_20
【页数】:12P;A4
【正文语种】:英语