BS EN 1744-1-1998 集料的化学性能测试.化学分析

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【英文标准名称】:Testsforchemicalpropertiesofaggregates-Chemicalanalysis
【原文标准名称】:集料的化学性能测试.化学分析
【标准号】:BSEN1744-1-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-08-15
【实施或试行日期】:1998-08-15
【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】:再现性;燃烧残余物测定;炉渣;溶解度;容量分析;尺寸变化;膨胀;溶解度试验方法;文献索引;定量分析;硫酸盐;集料;铁无机化合物;沉淀法;水泥与混凝土技术;氯化物;试样制备;腐植质;石灰;污染物;试样;变形;钢;表面性质;;;化学性质;化学分析和试验;试验设备;含量测定;电位测量法;数学计算
【英文主题词】:Acidsoluble;Chemicalanalysisandtesting;Chemicalproperties;Chlorides;Definitions;Determination;Determinationofcontent;Extraction;Extractionmethodsofanalysis;Grainsizing;Humuscontent;Impurities;Materialstesting;Mathematicalcalculations;Methods;Mineralaggregates;Organicmatterdetermination;Reagents;Referencemethods;Steelmillslag;Sulphates;Sulphides;Testing;Testingdevices;Totalsulphur;Watersoluble
【摘要】:Specifiesreferenceproceduresand,incertaincasesanalternativemethod,forthechemicalanalysisofaggregates.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_15
【页数】:30P;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodforTransitionTemperaturesandEnthalpiesofFusionandCrystallizationofPolymersbyDifferentialScanningCalorimetry
【原文标准名称】:用差示扫描量热法测定聚合物转变温度的标准试验方法
【标准号】:ASTMD3418-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D20.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:crystallization;crystallizationtemperature;differentialscanningcalorimetry(DSC);enthalpy;first-ordertransition;glasstransition;heatofcrystallization;heatoffusion;heatoftransition;melting;meltingtemperature;polymer;tran
【摘要】:Thermalanalysisprovidesarapidmethodformeasuringtransitionsduetomorphologicalorchemicalchanges,inapolymerasitisheated/cooledthroughaspecifiedtemperaturerange.Changeinspecificheatcapacity,heatflowandtemperaturevaluesaredeterminedforthesetransitions.Differentialscanningcalorimetryisusedtoassistinidentifyingspecificpolymers,polymeralloys,andcertainpolymeradditives,whichexhibitthermaltransitions.Chemicalreactionsthatcauseoraffectcertaintransitionshavebeenmeasuredwiththeaidofthistechnique;suchreactionsincludeoxidation,curingofthermosettingresins,andthermaldecomposition.Thistestmethodisusefulforspecificationacceptance,processcontrol,andresearch.1.1Thistestmethodcoversdeterminationoftransitiontemperaturesandenthalpiesoffusionandcrystallizationofpolymersbydifferentialscanningcalorimetry.Note18212;Trueheatsoffusionaretobedeterminedinconjunctionwithstructureinvestigation,andfrequently,specializedcrystallizationtechniquesareneeded.1.2Thistestmethodisapplicabletopolymersingranularformortoanyfabricatedshapefromwhichitispossibletocutappropriatespecimens.1.3Thenormaloperatingtemperaturerangeisfromthecryogenicregionto600x00B0;C.Certainequipmentallowsthetemperaturerangetobeextended.1.4ThevaluesstatedinSIunitsarethestandard.Note28212;Thistestmethoddoesnotapplytoalltypesofpolymersaswritten(see6.8).1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note38212;ThisstandardissimilarbutnotequivalenttoISO11357-1,-2,-3.TheISOproceduresprovideadditionalinformationnotsuppliedbythistestmethod.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:7P.;A4
【正文语种】:英语


【英文标准名称】:Guidetogeneralprinciplesfordeterminationofthebendingstiffnessofpaperandboardbystaticmethods
【原文标准名称】:采用静态法测定纸和纸板弯曲刚度一般原则指南
【标准号】:BS7424-1991
【标准状态】:作废
【国别】:英国
【发布日期】:1991-03-29
【实施或试行日期】:1991-03-29
【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】:纸制品;机械试验;纸板;硬挺度;试验条件;试样制备;纸;静荷载;弯曲试验
【英文主题词】:Board(paper);Paper;Testing;Tests
【摘要】:Methodsinwhichthemassofthetestpiecemakesanegligiblecontributiontothelineloading.
【中国标准分类号】:Y30
【国际标准分类号】:85_060
【页数】:12P.;A4
【正文语种】:英语