ASTM D5606-2001(2006)e1 甲苯二氰酸盐(TDI)原料用甲苯的标准规范
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来源:标准资料网
【英文标准名称】:StandardSpecificationforTolueneforTolueneDiisocyanate(TDI)Feedstock
【原文标准名称】:甲苯二氰酸盐(TDI)原料用甲苯的标准规范
【标准号】:ASTMD5606-2001(2006)e1
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D16.01
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:impuritiesintoluene;toluene;toluenediisocyanatefeedstock
【摘要】:1.1Thisspecificationcoverstoluenefortoluenediisocyanate(TDI)feedstock.1.2Thefollowingappliestoallspecifiedlimitsinthisspecification:forpurposesofdeterminingconformancewiththisspecification,anobservedvalueoracalculatedvalueshallberoundedofftothenearestunitinthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.3ConsultOSHAregulationsandsuppliers'materialsafetydatasheetsforallmaterialsusedinthisspecification.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.
【中国标准分类号】:G16
【国际标准分类号】:71_080_15
【页数】:2P.;A4
【正文语种】:
【英文标准名称】:Knurledthumbscrews,lowtype
【原文标准名称】:短型滚花大头螺钉
【标准号】:DIN653-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:验收规范;交货条件;设计;名称与符号;尺寸;紧固件;滚花螺杆;滚花头紧固件;材料;特性;螺钉;浅;规范(验收);螺纹形状;螺纹;公差(测量);重量
【英文主题词】:Acceptancespecification;Deliveryconditions;Design;Designations;Dimensions;Fasteners;Knurledthumbscrews;Knurled-headfasteners;Materials;Properties;Screws(bolts);Shallow;Specification(approval);Threadforms;Threads;Tolerances(measurement);Weights
【摘要】:Theprojectcontainsdimensionalandtechnicalrequirementsofknurledthumbscrews,thintypeandspecifiestheirdesignation.#,,#
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:5P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforPreconstructionandConstructionEvaluationofMortarsforPlainandReinforcedUnitMasonry
【原文标准名称】:普通及钢筋混凝土砌块用灰浆的预施工及施工评定方法
【标准号】:ASTMC780-2010
【标准状态】:现行
【国别】:
【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】:C12.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:合计比率;空气含量;抗压强度;混凝土渗透仪;锥探议;一致性;一致性保持;灰浆;抗拉强度
【英文主题词】:aggregateratio;aircontent;compressivestrength;concretepenetrometer;conepenetrometer;consistency;consistencyretention;mortar;tensilestrength
【摘要】:Duringpreconstructionandconstructionevaluations,useofthesetestmethodsestablishesspecificandoverallperformancecharacteristicsforthemortarsystem.Preconstructiontestingofmortarsprebatchedbyweightprovidesinformationfortheselectionoftheindividualmortarsystembestsuitedforthemasonrytobeconstructed.Therecommendedtestsandtheirsignificanceareasfollows:Consistencydeterminationsbyconepenetration(AnnexA1)allowgagingthewateradditionsforallmortarsincludedinthepreconstructiontestseries.Evenifthemortarconsistencyasmeasuredattheconstructionsiteisatadifferentpenetrationvaluethanthosemeasuredduringthepreconstructiontests,theconepreparationtestservestostandardizewateradditionsformortarsbeingconsideredasalternativesbeforeconstruction.Additionaltestingofmortarwatercontent-consistencyrelationships(AnnexA4)willallowrelatingthesetwofactorstobatch-to-batchvariationsattheconstructionsite.Consistencyretentionbyconepenetration(AnnexA2)usingdisturbedorundisturbedmortarsamplesprovidesameansofestablishingtheearly-agesettingandstiffeningcharacteristicsofthemortars.Becauselaboratorytestingisconductedunderstaticclimaticconditions,consistencyretentiontestresultsreflecttherelativeperformanceofthemortarsystemsundertest.Thesamegeneralrelationshipsareexpectedtoholdduringtestingattheconstructionproject,exceptastheyareinfluencedbyjobsiteweatherconditions.Mortarwater-contentdeterminations(AnnexA4)allowmeasurementofthewatercontentofthemortarmixture.Mortarsprebatchedusingmoistmasonrysandmaybemathematicallyanalyzedformortarwatercontent;however,thistest,whenusedforpreconstructionevaluation,establishestheeffectivenessofthetestmethodandservesasthecontrolorbasefortestsperformedattheconstructionsite.Mortaraggregateratiotesting(AnnexA4)providesamethodfordeterminingtheratioofaggregate-to-cementitiousmaterials.Thesievingoperationemployedduringthistestisincapableofseparatinganindividualcementitiousmaterialwhenmorethanonesuchmaterialisused,butcanaccuratelyestablishtheaggregate-to-cementitiousmaterialsratioofthemixture.Mortarair-contenttesting(AnnexA5)isusefulinestablishingthevalueofthiscomponentofthemortar.Thistestisofparticularimportanceinevaluatingmortarsthatcontainair-entrainingportlandcement,air-entraininglime,masonrycementoranycombinationthereof.Compressivestrengthtesting(AnnexA6)ofmoldedmortarcylindersandcubesestablishesoneofthecharacteristicsofhardenedmortar.Mortarcompressivestrengthtestvaluesarenotrepresentativeoftheactualcompressivestrengthofmortarintheassemblyandarenotappropriateforuseinpredictingthecompressivestrengththatwouldbeattainedbythemortarinthemasonryassembly.Themeasuredcompressivestrengthofamoldedmortarspecimenisalmostalwayslowerthanthestrengthofthesamemortarinthewall,primarilyasaresultofdifferencesinmortarwatercontentandspecimenshape.Mortarcompressivestrengthisinfluencedbymortarwatercontentatthetimeofset.Becausemoldedmortarspecimensarenotincontactwithabsorptivemasonryunitsandarenotsubjectedtoothermechanismsofwaterloss,theyhavehigherwatercontentsthanmortarinthewall.Higherwatercontentsalmostalwaysresultinlowerstrengths.Specimensizeandshapealsoaffectcompressivestrength.Cylindersandcubesexhibitdifferentstrengthsevenwhenmadefromthesamemortarmix.Bothofthesespecimenconfigurationsyieldlowerstrengthsthanwhatwouldbeattainedifaspecimenhavingthesamesizeandconfigurationofatypicalmortarjointcouldbereliablytested.
