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SAE J1967 Retroreflective Materials for Vehicle Conspicuity

作者:标准资料网 时间:2024-05-04 10:55:19  浏览:8131   来源:标准资料网
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Product Code:SAE J1967
Title:Retroreflective Materials for Vehicle Conspicuity
Issuing Committee:Heavy Duty Lighting Standards Committee
Scope:This SAE Recommended Practice applies to retroreflective materials that are used on truck tractors and trailers 2032 mm or more in overall width and with a Gross Vehicle Weight Rating (GVWR) over 4536 kg, and school buses. The retroreflective materials for the truck tractors and trailers are super-high-intensity materials containing microprisms. The retroreflective materials for school buses may contain flexible non-exposed glass bead lens or microprisms.
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【英文标准名称】:StandardTestMethodsforMicrobiologicalMonitoringofWaterUsedforProcessingElectronandMicroelectronicDevicesbyDirectPressureTapSamplingValveandbythePresterilizedPlasticBagMethod
【原文标准名称】:用直接加压分接抽样阀和用预先消毒塑料包法对电子和微电子器件加工用水微生物监测的测试方法
【标准号】:ASTMF1094-1987(2005)
【标准状态】:现行
【国别】:
【发布日期】:1987
【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】:F01.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:电子工程;取样方法;监督(认可);阀门;抽样方法;水;试验;微生物分析
【英文主题词】:contamination;microbiologicalcontamination;microbiologicaltesting;semiconductorprocessing;water;waterdistributionsystem
【摘要】:Thesetestmethodsprovideafieldtechniqueforthebacteriologicalanalysisofelectronicprocesswaters.Thesamplingofthesewatersandsubsequentbacteriologicalanalysismaybecriticaltoelectronicproductyields.Bacteriacanbetheprimesourceofharmfulcontaminationwhichcansignificantlyreducetheyieldofsatisfactorymicroelectronicdeviceproduction.Thetestmethodsdescribedheremaybeusedbothtomonitorthebacteriologicalqualityofwaterusedinmicroelectronicproductprocessing,andtolocatethesourceofbacterialcontaminationinawaterpurificationsystem.Thesetestmethodsaresimplefieldmethods,combiningsamplingandbacteriologicalanalysistechniquesthatdonotrequirebacteriologicallaboratoryfacilities.Thetestmethodsdescribedemployculturetechniquesforbacteriologicalanalysis.Theusershouldbeawarethatsuchtechniquescannotprovideacompletecountofthetotalviablebacteriapresent,sinceclumpsandclustersofbacteriawillappearasonesinglecolonywhencultured,andsincesomeviablebacteriawillnotgrowunderthetestconditionsused.However,ameaningfulcomparativebacteriacountwillbeachievedbythismethodiftheculturingofthesampleisalwaysdoneatthesametemperature,andforthesameperiodoftime.Thetemperatureofincubationshouldalwaysbeat28x00B1;2x00B0;C,andtheperiodofincubationshouldbe48h(or72hiftimepermits).Theperiodofincubationandtemperatureshouldbethesameforallcomparativestudies.1.1Thesetestmethodscoversamplingandanalysisofhighpuritywaterfromwaterpurificationsystemsandwatertransmissionsystemsbythedirectsamplingtapandfiltrationofthesamplecollectedinthebag.Thesetestmethodscoverboththesamplingofwaterlinesandthesubsequentmicrobiologicalanalysisofthesamplebytheculturetechnique.Themicroorganismsrecoveredfromthewatersamplesandcountedonthefiltersincludebothaerobesandfacultativeanaerobes.1.2Threemethodsaredescribedasfollows:SectionsTestMethodA--SampleTap-DirectFiltration6to8TestMethodB--PresterilizedPlasticBagTechnique9to12TestMethodB2--DipStripTechnique2/PresterilizedPlasticBag【英文标准名称】:IndustrialMetalContainers-SpecificationsNowCopyrightedbyMHI
【原文标准名称】:工业用金属容器.规范
【标准号】:ANSIMH26.1-1991
【标准状态】:作废
【国别】:美国
【发布日期】:1991-01-01
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:容器;物料装卸;金属
【英文主题词】:materialshandling;metals;containers
【摘要】:
【中国标准分类号】:A82
【国际标准分类号】:55_180_10
【页数】:16P.;A4
【正文语种】:英语



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