SAE AMS4056 Aluminum Alloy, Sheet and Plate, 4.4Mg - 0.70Mn - 0.15Cr (5083-0), Annealed
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Product Code:SAE AMS4056
Title:Aluminum Alloy, Sheet and Plate, 4.4Mg - 0.70Mn - 0.15Cr (5083-0), Annealed
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of sheet and plate.
【英文标准名称】:StandardPracticeforPersonalSamplingandAnalysisofEndotoxininMetalworkingFluidAerosolsinWorkplaceAtmospheres
【原文标准名称】:工作场所环境中金属加工液体气溶胶中内毒素的个人取样和分析的标准实施规程
【标准号】:ASTME2144-2001(2007)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:E34.50
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:aerosolsampling;airborneendotoxin;depyrogenation;endotoxin;endotoxinassay;endotoxinunits(EU);extractionmethods;Gram-negativebacteria;Limulusamebocytelysate(LAL)assay;metalworkingfluidaerosols;metalworkingfluids;m
【摘要】:Endotoxinsinmetalworkingfluidaerosolspresentpotentialrespiratoryhealthhazardstoworkerswhoinhalethem.Therefore,aconsensusstandardisneededtoprovidereliabledataonworkplaceairborneendotoxinconcentrationswheremetalworkingfluidsareused.Thispracticeformeasuringairborneendotoxinconcentrationsinmetalworkingfluidatmosphereswillhelptofosterabetterunderstandingofendotoxinexposure-responserelationships.Thispracticefacilitatescomparisonsofinterlaboratorydatafrommethodsandfieldinvestigativestudies.1.1Thispracticecoversquantitativemethodsforthepersonalsamplinganddeterminationofbacterialendotoxinconcentrationsinpoly-dispersemetalworkingfluidaerosolsinworkplaceatmospheres.Usersshouldhavefundamentalknowledgeofmicrobiologicaltechniquesandendotoxintesting.1.2Usersofthispracticemayobtainpersonalorareaexposuredataofendotoxininmetalworkingfluidaerosols,eitheronashort-termorfull-shiftbasisinworkplaceatmospheres.1.3Thispracticegivesanestimateoftheendotoxinconcentrationofthesampledatmosphere.1.4Thispracticeseekstominimizeinterlaboratoryvariationbutdoesnotensureuniformityofresults.1.5Itisanticipatedthatthispracticewillfacilitateinterlaboratorycomparisonsofairborneendotoxindatafrommetalworkingfluidatmospheres,particularlymetalremovalfluidatmospheres,byprovidingabasisforendotoxinsampling,extraction,andanalyticalmethods.1.6In1997,theOccupationalSafetyandHealthAdministration(OSHA)empanelledaStandardsAdvisoryCommitteetomakerecommendationstotheAdministrationregardingmeasuresthattheAdministrationcouldtaketoimprovethehealthofworkersexposedtometalworkingfluids.AreporttotheAssistantSecretaryofLaborforOSHAwassubmittedinJuly,1999.SubcommitteeE34.50believesthattheusercommunitywouldbenefitsignificantlyifastandardmethodwasdevelopedtogivethecommunityguidanceonamethodologyforthesamplingandanalysisofpersonalairborneendotoxinexposureassessmentsinfacilitiesusingwater-misciblemetalremovalfluids,basedontheLALassayorotherendotoxindetectiontechnologiesastheybecomeavailable.1.7Thispracticedoesnotattempttosetorimplylimitsforpersonalexposuretoendotoxininmetalworkingfluidaerosolsinworkplaceenvironments.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C66
【国际标准分类号】:13_040_30
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:Project25DigitalLandMobileRadioBlockEncryptionProtocol
【原文标准名称】:项目25数字地面移动无线电(DLMR)分块加密协议
【标准号】:ANSI/TIA-102.AAAD-A-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:编码;密码;数据块;数据传输;协议
【英文主题词】:Coding;Cryptographic;Datablocks;Datatransmission;Protocols
【摘要】:ThisStandarddescribestheencryptionprotocolforlandmobileradiosmeetingtheProject25requirements.Forsystemimplementations,suchasTrunking,Data,etc.thisdocumentprovidesonlytheappropriaterequirementstoensureover-the-airencryptioncompatibility,ratherthanalltherequisitespecificationdetailsforsuchimplementations.Thisdocumentwillbeupdatedasnecessarytoensureacompatibleencryptionprotocolasadditionalsystemimplementationrequirementsareavailable.
【中国标准分类号】:M36
【国际标准分类号】:33_070_10
【页数】:
【正文语种】:英语
