SAE AS20708/47 Synchro, Control Differential Transmitter, Type 23cdx4c
作者:标准资料网 时间:2024-05-16 12:37:53 浏览:8629
来源:标准资料网
Product Code:SAE AS20708/47
Title:Synchro, Control Differential Transmitter, Type 23cdx4c
Issuing Committee:Ae-7a Generators And Controls Motors And Magnetic Devices
Scope:
【英文标准名称】:StandardTestMethodsforEstimatingContributionofEnvironmentalTobaccoSmoketoRespirableSuspendedParticlesBasedonUVPMandFPM
【原文标准名称】:基于粒子紫外线吸收法(UVPM)和粒子荧光吸收法(FPM)评估环境烟草烟雾对可吸入悬浮颗粒物影响的标准试验方法
【标准号】:ASTMD5955-2002(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】:D22.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:空气质量;FPM;吸入空气;烟;试验;烟草
【英文主题词】:environmentaltobaccosmoke(ETS);fluorescentparticulatematter(FPM);indoorairquality;respirablesuspendedparticles(RSP);ultravioletparticulatematter(UVPM)
【摘要】:1.1Thesetestmethodspertaintothesampling/analysisofrespirablesuspendedparticles(RSP)andtheestimationoftheRSPfractionattributabletoenvironmentaltobaccosmoke(ETS).ThesetestmethodsarebasedoncollectionoftotalRSPonamembranefilter,extractingthecollectedmaterialinmethanol,andmeasuringtotalultravioletabsorbanceorfluorescence,orboth,ofthisextract.Thecorrespondingmethodsofestimationaretermedultravioletparticulatematter(UVPM)andfluorescentparticulatematter(FPM),respectively.1.2Thesetestmethodsarecompatiblewith,butdonotrequirethedeterminationofsolanesol,whichisalsousedtoestimatethecontributionofETStoRSP(seeTestMethodD6271).1.3Thesamplingcomponentsconsistofapreweighed,1.0-mporesizepolytetrafluoroethylene(PTFE)membranefilterinafiltercassetteconnectedontheinletendtoaparticlesizeseparatingdeviceand,ontheoutletend,toasamplingpump.Thesetestmethodsareapplicabletopersonalandareasampling.1.4Thesetestmethodsarelimitedinsampledurationonlybythecapacityofthemembranefilter(about2000g).Thesetestmethodshavebeenevaluateduptoa24-hsampledurationwithaminimumsampledurationofatleast1h.1.5Limitsofdetection(LOD)andquantitation(LOQ)fortheUVPMtestmethodatasamplingrateof2L/minare,respectively,2.5g/m3and8.3g/m3fora1-hsampledurationand0.3g/m3and1.0g/m3foran8-hsampleduration.TheLODandLOQfortheFPMtestmethodatasamplingrateof2L/minare,respectively,1.4g/m3and4.7g/m3fora1-hsampledurationand0.2g/m3and0.6g/m3foran8-hsampleduration.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionaryinformationisgivenin13.6.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_01
【页数】:9P.;A4
【正文语种】:
【英文标准名称】:Aerospaceseries-Molybdenumdisulphidedrylubricants-Coatingmethods;GermanandEnglishversionEN2491:2011
【原文标准名称】:航空航天系列.二硫化钼基干膜润滑材料.涂覆方法
【标准号】:DINEN2491-2012
【标准状态】:现行
【国别】:德国
【发布日期】:2012-04-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Aerospacetransport;Airtransport;Anodicoxidation;Application;Coatingmaterials;Coatingmethod;Coatingtechnique;Coatings;Corrosionprotection;Corrosion-resistantsteels;Definitions;Dipcoating;Dryfilmlubricants;Drylubricants;Filmlubricants;Injectionmethod;Lubricants;Methods;Molybdenum;Molybdenumdisulphides;Paints;Preconditioning;Properties;Qualityassurance;Solids;Spacetransport;Specification(approval);Steels;Surfaceroughness;Surfacetreatment;Testing;Titanium;Titaniumalloys;Wearingprotection
【摘要】:
【中国标准分类号】:V13
【国际标准分类号】:49_040
【页数】:19P;A4
【正文语种】:德语
