【英文标准名称】:Guidetopulsetechniquesandapparatus-Pulsemeasurementandanalysis,generalconsiderations
【原文标准名称】:脉冲技术和设备指南.第2部分:脉冲测量和分析:总则
【标准号】:BS5698-2-1989
【标准状态】:现行
【国别】:英国
【发布日期】:1989-07-31
【实施或试行日期】:1989-07-31
【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】:定义;分析;脉冲电路;波形;波的性质和现象;波动物理学;电波测量;电子设备及元件
【英文主题词】:Algorithms;Amplitude;Analysis;Currents;Definition;Definitions;Distortion;Electricalengineering;Electricalmeasuringinstruments;Electronicengineering;Electronicmeasuringdevices;Generalsection;Instruments;Measurement;Measuringinstruments;Measuringtechniques;Metrology;Momentum;Performance;Signalgenerators;Timemeasurement;Timing;Vibration;Voltage
【摘要】:Definitionsanddescriptionsofthetechniquesandproceduresfortimedomainpulsemeasurementswhichareindependentofspecificdevices,apparatus,instrumentsorcomputingdevices.
【中国标准分类号】:L04
【国际标准分类号】:17_080
【页数】:20P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDeterminationofResidueofEmulsifiedAsphaltbyLowTemperatureVacuumDistillation
【原文标准名称】:标准的乳化沥青残留测定的标准试验方法低温真空蒸馏
【标准号】:ASTMD7403-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D04.42
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:asphalt;distillation;emulsifiedasphalt;emulsion;low-temperature;vacuum
【摘要】:Thistestmethodcanbeusedforquantitativedeterminationofresidueinemulsifiedasphaltsatatemperatureof135x00B0;C(275x00B0;F)witha60minutedistillationtestusingcurrentdistillationapparatus.Thismethodissuitabletoobtainresiduesforserviceevaluation,qualitycontrol,andresearch.ThisdistillationmethodisnotintendedtoproduceresiduesequivalenttotheTestMethodD6997260x00B0;C(500x00B0;F)distillationprocedure.1.1Thismethodcoversthequantitativedeterminationofresidueinemulsifiedasphaltscomposedprincipallyofasemisolidorliquidasphalticbase,water,andanemulsifyingagent.Theemulsifiedasphaltswillgenerallycontainpolymericmaterials.Itisespeciallysuitableforemulsifiedasphaltresiduepropertiesthatmaybealteredatthehightemperature260x00B0;C(500x00B0;F)distillation.Sincethereiscurrentlynotaprecisionstatementforthisprocedure,itisrecommendedtotheuserthatthisprocedurenotbeusedforbuy/sellpurposesatthepresenttime.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Valuesinparenthesesininch-poundunitsareprovidedforinformationalpurposesonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E43
【国际标准分类号】:93_080_20
【页数】:4P.;A4
【正文语种】:英语