DIN 32750-2-1993 办公机械.带四盘磁带的口授录音机磁带盒.主动轮传动的磁带盒.尺寸和特性

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【英文标准名称】:Officemachines;magnetictapecassettefordictationequipmentwithmagnetictape4;cassetteforcapstandrive;dimensionsandcharacteristics
【原文标准名称】:办公机械.带四盘磁带的口授录音机磁带盒.主动轮传动的磁带盒.尺寸和特性
【标准号】:DIN32750-2-1993
【标准状态】:现行
【国别】:德国
【发布日期】:1993-02
【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】:规范(批准);尺寸;特性;盒式磁带;盒式磁带;办公机器;数据媒体;名称与符号;办公室设备;听写设备;录音媒体
【英文主题词】:datamedia;properties;soundrecordingmedia;specification(approval);dictationequipment;cassettes;officemachines;dimensions;cassettes(magnetictapes);designations;officeequipment
【摘要】:
【中国标准分类号】:G83;Y54
【国际标准分类号】:35_260_10
【页数】:8P;A4
【正文语种】:德语


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【英文标准名称】:StandardTestMethodforBrittlenessTemperatureofPlasticsandElastomersbyImpact
【原文标准名称】:用冲击法测定塑料及弹性材料的脆化温度的标准试验方法
【标准号】:ASTMD746-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:脆化;弹性材料;冲击试验;塑料;密封件;测试;轮胎
【英文主题词】:brittlefailure;brittlenesstemperature;elastomer;impactplastics
【摘要】:Thistestmethodestablishesthetemperatureatwhich50%ofthespecimenstestedfailwhensubjectedtotheconditionsspecifiedherein.Thetestprovidesfortheevaluationoflong-timeeffectssuchascrystallization,orthoseeffectsthatareintroducedbylow-temperatureincompatibilityofplasticizersinthematerialundertest.Plasticsandelastomersareusedinmanyapplicationsrequiringlow-temperatureflexingwithorwithoutimpact.Usedataobtainedbythismethodtopredictthebehaviorofplasticandelastomericmaterialsatlowtemperaturesonlyinapplicationsinwhichtheconditionsofdeformationaresimilartothosespecifiedinthistestmethod.Thistestmethodhasbeenfoundusefulforspecificationpurposes,butdoesnotnecessarilymeasurethelowesttemperatureatwhichthematerialissuitableforuse.FIG.1DimensionalRequirementsBetweenSpecimenClampandStrikingEdge(TypeA)FIG.2TypicalClamp(TypeA)Note8212;Dimensionsareinmillimetres.FIG.3DimensionalDetailsofStrikingEdgeandClampingDevice,TypeB(PositioningofUnnotchedTestSpecimen)FIG.4AssembledClampwithTestSpecimens,TypeB1.1Thistestmethodcoversthedeterminationofthetemperatureatwhichplasticsandelastomersexhibitbrittlefailureunderspecifiedimpactconditions.Tworoutineinspectionandacceptanceproceduresarealsoprovided.Note18212;WhentestingrubbersforimpactbrittlenessuseTestMethodsD2137.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Duetothepotentialsafetyandenvironmentalhazardsassociatedwithmercury-filledthermometers,theuseofalternativetemperaturemeasuringdevices(suchasthermocouplesandRTDs)isencouraged.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note28212;ThistestmethodandISO974(E)aretechnicallyequivalentwhenusingtheTypeBfixtureandtheTypeIIIspecimen,however,theminimumnumberofspecimensthatarerequiredtobetestedissignificantlydifferentwhenusingthistestmethod.TheISOmethodrequiresthataminimumof100specimensbetested.
【中国标准分类号】:G31
【国际标准分类号】:
【页数】:8P.;A4
【正文语种】:


【英文标准名称】:StandardPracticesforMeasurementofDryFilmThicknessofProtectiveCoatingSystemsbyDestructive,Cross-SectioningMeans
【原文标准名称】:用横截面分割破坏法测定防护涂层系统干膜厚度的标准实施规程
【标准号】:ASTMD4138-2007
【标准状态】:作废
【国别】:美国
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:覆层;测量;核能;涂漆;涂料;防护覆层;试验;厚度;厚度测量
【英文主题词】:Coatings;Measurement;Nuclearenergy;Painting;Paints;Protectivecoatings;Testing;Thickness;Thicknessmeasurement
【摘要】:
【中国标准分类号】:A29
【国际标准分类号】:87_040
【页数】:6P;A4
【正文语种】:英语