SAE AMS4446 Magnesium Alloy, Sand Castings 8.7al 0.70zn 0.26mn Solution and Precipitation Heat Treated
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来源:标准资料网
Product Code:SAE AMS4446
Title:Magnesium Alloy, Sand Castings 8.7al 0.70zn 0.26mn Solution and Precipitation Heat Treated
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This Specification covers a magnesium alloy in the form of sand castings.
【英文标准名称】:StandardSpecificationforLightweightAggregatesforConcreteMasonryUnits
【原文标准名称】:混凝土圬工单位的轻质集料的标准规格
【标准号】:ASTMC331/C331M-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:C09.21
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:aggregate-lightweight
【摘要】:1.1Thisspecificationcoverslightweightaggregatesintendedforuseinconcretemasonryunitswhenaprimeconsiderationistoreducethedensityoftheunits.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.SomevalueshaveonlySIunitsbecausetheinch-poundequivalentsarenotusedinpractice.Note18212;SievesizeisidentifiedbyitsstandarddesignationinSpecificationE11.Thealternativedesignationgiveninparenthesesisforinformationonlyanddoesnotrepresentadifferentstandardsievesize.1.3Thetextofthisspecificationreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:StandardPracticeforHostComputerCommunicationwithSpectrometersforColorMeasurements
【原文标准名称】:颜色测量用带有分光计的主机通信的标准实施规程
【标准号】:ASTME2222-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:E12.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:communicationsprotocol;serialcommunications;software;spectrometer
【摘要】:Thepracticeshouldbeadoptedbyspectrometermanufacturersanddevelopersofsoftwaretobeusedonhostcomputerstocommunicatewithsuchinstruments.1.1Thispracticeprovidesastandardcommunicationsprotocolforaserialcommunicationbetweenahostcomputerandaspectrometerdesignedforcolorimetry.Theadoptionofthestandardcommunicationprotocolonthepartofinstrumentmanufacturerswillallowinstrumentuserstheoptiontoemploythird-partysoftware,ortoreplaceoneinstrumentwithanotherwhileretainingthesamesoftware.Thisstandardisnotintendedtoreplaceexistingstandards,suchasSCPI-1999writtenbytheSCPIConsortiumasasetofStandardCommandsforProgrammableInstrumentsforbench-topinstrumentsthatutilizetheIEEE-488orIEEE-488.2interface.ThisstandardhasbeenadoptedbymanyanalyticalinstrumentmakersandisusedbythemastheinterfacestandardforspectroscopyevenwhentheinstrumentinterfaceisRS-232c.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A26
【国际标准分类号】:17_180_20;35_160
【页数】:3P.;A4
【正文语种】:
