MIL-STD-1773 (NOTICE 1)
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来源:标准资料网
MIL-STD-1773 (NOTICE 1), MILITARY STANDARD: FIBER OPTICS MECHANIZATION OF AN AIRCRAFT INTERNAL TIME DIVISION COMMAND/RESPONSE MULTIPLEX DATA BUS (02 OCT 1989)., The following pages of MIL-STD-1773 have been revised and supersede the pages listed for USAF applications.
【英文标准名称】:StandardTestMethodforOperatingPerformanceofAnion-ExchangeMaterialsforStrongAcidRemoval
【原文标准名称】:清除强酸用阴离子交换材料使用性能的标准试验方法
【标准号】:ASTMD3087-1991(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1991
【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】:D19.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:anionresin;ionexchange;operatingperformance;Acidremoval;Hydrochloricacid(HCL);Ionexchangeresins;Performance--wateranalysisequipment;Strongacidremoval;Sulfuricacid
【摘要】:Thistestmethodcanbeusedforevaluatingperformanceofcommerciallyavailableanion-exchangematerialsregardlessofthebasicstrengthoftheionexchangegroups.Whenpreviousoperatinghistoryisknown,agoodinterpretationofresinfoulingormalfunctioncanbeobtainedbycomparisonagainstareferencesampleofunusedion-exchangematerialevaluatedinthesameway.Whileresistivityhasbeenchosenasthepreferredanalyticalmethodfordefiningtheexhaustionendpoint,withtitrationasthealternative,itisunderstoodthatobservationofpHduringrinseandtheserviceruncanyieldusefulinformation.ThevariationsinpHobservedwithanionexchangematerialsuspectedofhavingdegraded,canbehelpfulininterpretationofperformancewhencomparedwithsimilardataforareferencesampleofunusedmaterialexhaustedinthesameway.1.1Thistestmethodcoversthedeterminationoftheoperatingcapacityofanion-exchangematerialswhenusedfortheremovalofhydrochloricandsulfuricacidfromwater.Itisdesignedtosimulateoperatingconditionsforstrongacidremovalandisintendedforuseintestingbothnewandusedmaterials.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninNote.
【中国标准分类号】:G17
【国际标准分类号】:71_100_40
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:GraphicSymbolsforArcWeldingandCuttingApparatus
【原文标准名称】:电弧焊接和切割设备用图形符号
【标准号】:ANSI/NEMAEW4-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:weldingengineering;weldingequipment;arcwelding;graphicsymbols;flamecutting
【摘要】:
【中国标准分类号】:K64
【国际标准分类号】:25_160_10
【页数】:
【正文语种】:英语
