ASTM D 2719-1989 胶合板纵向剪切的标准试验方法
时间:2024-05-17 23:05:17 来源: 标准资料网 作者：标准资料网 阅读：9528
【英文标准名称】:StandardTestMethodsforStructuralPanelsinShearThrough-the-Thickness
【原文标准名称】:胶合板纵向剪切的标准试验方法
【标准号】:ASTMD2719-1989
【标准状态】:现行
【国别】:美国
【发布日期】:1989
【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】:胶合板;施工材料;建筑;剪切强度;木材;试验
【英文主题词】:wood;construction;constructionmaterials;testing;shearstrength;plywood
【摘要】:
【中国标准分类号】:B70
【国际标准分类号】:79_060_10
【页数】:10P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingCircuitResistanceofaMembraneSwitch
【原文标准名称】:薄膜开关线路阻抗的测定用标准试验方法
【标准号】:ASTMF1680-2007a
【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】:F01.18
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:电气元件;薄膜开关;半导体;短路强度;测试;试验
【英文主题词】:membraneswitch;resistance
【摘要】:Resistanceisusefultomanufacturersanduserswhendesigningmembraneswitchinterfacecircuitry.1.1Thistestmethodcoversthedeterminationofthecircuitresistanceofamembraneswitch.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:L22
【国际标准分类号】:19_080;29_120_40
【页数】:2P.;A4
【正文语种】:
【英文标准名称】:Workplaceatmospheres-Protocolforevaluatingtheperformanceofdiffusivesamplers
【原文标准名称】:车间空气扩散型采样器性能评估协议
【标准号】:ISO16107-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-09
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC146
【标准类型】:()
【标准水平】:()
【中文主题词】:工作地点;测量仪器;职业安全;空气质量;危险的可裂变物质;空气污染;气体分析;工作场所安全;符号;普及型取样器;规范(验收);效率;保健;偏差;扩散
【英文主题词】:
【摘要】:1ThisInternationalStandardcoverstheevaluationoftheperformanceofdiffusivesamplersofgasesandvapoursforuseoversamplingperiodsfrom4hto12h.Samplingperiodsofsuchdurationarethemostcommoninworkplacesampling.Givenasuitableexposurechamber,thisInternationalStandardcanbestraightforwardlyextendedtocoversamplersforuseoverothersamplingperiodsaswell.Theaimistoprovideaconcisesetofexperimentsforclassifyingsamplersprimarilyaccordingtoasinglenumericalvaluerepresentingsampleraccuracy.NOTEAccuracyestimatesrefertoconditionsofsamplerusewhicharenormallyexpectedinaworkplacesetting.Theseconditionsmaybecharacterizedbythetemperature,atmosphericpressure,humidityandambientwindspeed,noneofwhichmaybeconstantoraccuratelyknown.Furthermore,theaccuracyaccountsfordifficultyintheestimationoftime-weightedaveragesofconcentrationswhichmaynotbeconstantintime.Inadditiontoaccuracydetermination,amethodisprovidedtotestthesamplersforcompliancewiththemanufacturer'sstatedlimitsoncapacity,possiblyinthepresenceofinterferingcompounds.Amethodisgivenforclassificationofsamplersaccordingtotheircapabilitytodetectsituationsinwhichsamplercapacitymaybeexceeded.2ThisInternationalStandardisanextensionofpreviousresearchondiffusivesamplers[1-17]aswellasEN838.Essentialadvantagesaretheestimationofsampleraccuracyunderactualconditionsofuseandthereductionincostofsamplerevaluation.NOTEFurtheringthelatterpoint,knowledgeofsimilaritybetweenanalytesofinterestcanbeusedtoexpeditesamplerevaluation.Forexample,interpolationofdatacharacterizingthesamplingofanalytesatseparatedpointsofahomologousseriesofcompoundsisrecommended.Atpresenttheprocedurein[9]issuggested:Followingevaluationofasamplerinuseatasinglehomologousseriesmemberaccordingtothepresentpractice,highermolecularweightmemberswouldreceivepartialvalidationsconsideringsamplingrate,capacity,analyticalrecoveryandinterferences.
【中国标准分类号】:C66
【国际标准分类号】:13_040_30
【页数】:15P;A4
【正文语种】:英语