BS EN ISO 177-1990 塑料.增塑剂扩散的测定

上一篇: BS 2782 Pt.4 Method 465C-1990 塑料的试验方法.第4部分:化学性能.试验方法465C:增塑剂移动的测定
下一篇: DIN 16779 T.2-1990 塑料-模塑材料.对苯二甲酸亚苯基脂模塑材料.聚对苯二甲酸亚苯基脂(PET)和聚对苯二甲酸丁二脂(PBT)模塑材料.试样制备和性能测定

【英文标准名称】:Testingofmineraloilhydrocarbons,similarliquidsandsolventsforpaintsandvarnishes-Analysisbygaschromatography-Generalworkingprinciples
【原文标准名称】:色漆和清漆用石油烃类、类似的液体和溶剂.气体色谱法分析.一般的工作原理
【标准号】:DIN51405-2004
【标准状态】:现行
【国别】:德国
【发布日期】:2004-01
【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】:划痕试验程序;覆层材料;工作原理;色谱法;定义;天然漆;矿物油;气相色谱;清漆;试验设备;分析;气相色谱法;解释;定量分析;溶剂;试验;化学分析和试验;液体;含量测定;涂料;定性分析;烃类
【英文主题词】:
【摘要】:Thisstandardestablishesthebasisforthegaschromatographicanalysisofpetroleumproducts,bothforthequantitativedeterminationofsinglesubstancesandfortheirquantitativepresenceinasample.Thestandardisalsoapplicabletorelatedproductse.g.solventsinpaint.Thestandardprovidesageneraldescriptionofagaschromatograph,describestheanalysisandtheinterpretationofresults.Italsoexplainsanddefinesbasicparameterssuchasgaschromatography,gaschromatogram,zero-line,base-line,peak,peakheight,peakwidthathalfheigh,peakarea,separationnumber,peakasymmetrie,retentiontime,relativeretentionandretentionindex.#,,#
【中国标准分类号】:G52
【国际标准分类号】:87_060_30;75_080
【页数】:19P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforMeasuringDoseforUseinLinearAcceleratorPulsedRadiationEffectsTests
【原文标准名称】:测定用于线性加速器脉冲发射效应试验的剂量的试验方法
【标准号】:ASTMF526-1997(2003)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:F01.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:辐射;发射效应;剂量测定;电子工程;催速剂;剂量;试验
【英文主题词】:calorimetricmeasurements;dosemeasurement;ionizingdose;linearaccelerator;radiationeffects
【摘要】:Anaccuratemeasureofthedoseduringradiation-effectstestingisnecessarytoensurethevalidityofthedatataken,toenablecomparisontobemadeofdatatakenatdifferentfacilities,andtoverifythatcomponentsorcircuitsaretestedtotheradiationspecificationappliedtothesystemforwhichtheyaretobeused.Theprimaryvalueofacalorimetricmethodformeasuringdoseisthattheresultsareabsolute.Theyarebasedonlyonphysicalpropertiesofmaterials,thatis,thespecificheatofthecalorimeter-blockmaterialandtheSeebeckemfofthethermocoupleusedorthetemperaturecoefficientofresistance(x03B1;)ofthethermistorused,allofwhichcanbeestablishedwithnon-radiationmeasurements.Themethodpermitsrepeatedmeasurementstobemadeduringaradiationeffectstestwithoutrequiringentryintotheradiationcellbetweenmeasurements.1.1Thistestmethodcoversacalorimetricmeasurementofthedosedeliveredinasinglepulseofelectronsfromanelectronlinearacceleratorusedasanionizingsourceinradiation-effectstesting.Thetestmethodisdesignedforusewithpulsesofelectronsintheenergyrangefrom10to50MeVandisonlyvalidforcasesinwhichboththecalorimeterandthetestspecimentobeirradiatedare"thin"comparedtotherangeoftheseelectronsinthematerialsofwhichtheyareconstructed.1.2Theproceduredescribedcanbeusedinthosecasesinwhich(1)thedosedeliveredinasinglepulseis5Gy(500rad)orgreater,or(2)multiplepulsesofalowerdosecanbedeliveredinatimeshortcomparedtothethermaltimeconstantofthecalorimeter.Theminimumdoseperpulsethatcanbeacceptablymonitoreddependsonthevariablesoftheparticulartest,includingpulserate,pulseuniformity,andthethermaltimeconstantofthecalorimeter.1.3Adeterminationofthedoseismadedirectlyforthematerialofwhichthecalorimeterblockismade.Thedoseinothermaterialscanbecalculatedfromthismeasuredvaluebyformulaspresentedinthistestmethod.Theneedforsuchcalculationsandthechoiceofmaterialsforwhichcalculationsaretobemadeshallbesubjecttoagreementbythepartiestothetest.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesisareprovidedforinformationonly.1.5Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F92
【国际标准分类号】:
【页数】:11P.;A4
【正文语种】: