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NF C48-230-1987 侵入检测.超声波运行检测器.特定标准

作者:标准资料网 时间:2024-05-10 21:35:35  浏览:9135   来源:标准资料网
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【英文标准名称】:Intrusiondetection-Ultrasoundmotiondetectors-Specificstandard.
【原文标准名称】:侵入检测.超声波运行检测器.特定标准
【标准号】:NFC48-230-1987
【标准状态】:现行
【国别】:法国
【发布日期】:1987-12-01
【实施或试行日期】:1987-12-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:A91
【国际标准分类号】:13_310
【页数】:11P;A4
【正文语种】:其他


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【英文标准名称】:Naturalgas-Calculationofcompressionfactor-Calculationusingphysicalproperties
【原文标准名称】:天然气.压缩因子的计算.物理特性计算
【标准号】:BSENISO12213-3-2005
【标准状态】:作废
【国别】:英国
【发布日期】:1998-04-15
【实施或试行日期】:1998-04-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:计算方法;压实;组分;压缩气体;压缩;浓度(化学);团料;气体分析;混合气体;燃气技术;材料试验;数学计算;采掘;克分子浓度;天然气;物理性能;材料的物理性质;特性;实际油气比
【英文主题词】:Calculatingmethods;Compacting;Composition;Compressedgas;Compression;Concentration(chemical);Conglomerates;Gasanalysis;Gasmixtures;Gastechnology;Materialstesting;Mathematicalcalculations;Methodsofcalculation;Mining;Molarconcentration;Naturalgas;Physicalproperties;Physicalpropertiesofmaterials;Properties;Realgasfactors
【摘要】:ISO12213specifiesmethodsforthecalculationofcompressionfactorsofnaturalgases,naturalgasescontainingasyntheticadmixtureandsimilarmixturesatconditionsunderwhichthemixturecanexistonlyasagas.Itisdividedintothreeparts:thispart,ISO12213-3:2006,specifiesamethodforthecalculationofcompressionfactorswhenthesuperiorcalorificvalue,relativedensityandcarbondioxidecontentareknown,togetherwiththerelevantpressuresandtemperatures.Ifhydrogenispresent,asisoftenthecaseforgaseswithasyntheticadmixture,thehydrogencontentalsoneedstobeknown.ThemethodisprimarilyapplicabletopipelinequalitygaseswithintherangesofpressurepandtemperatureTatwhichtransmissionanddistributionoperationsnormallytakeplace,withanuncertaintyofabout+/-0,1%.Forwider-rangingapplicationstheuncertaintyoftheresultsincreases.
【中国标准分类号】:E24
【国际标准分类号】:75_060
【页数】:40P.;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforConfirmationof20-mm(50-W)and125-mm(500-W)TestFlamesforSmall-ScaleBurningTestsonPlasticMaterials
【原文标准名称】:确定塑料材料上小规模燃烧试验用20mm(50W)和125mm(500W)试验火焰的标准实施规范
【标准号】:ASTMD5207-2009
【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】:美国材料与试验协会(US-ASTM)
【起草单位】:D20.30
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:confirmation;flammability;laboratoryburner;small-scaleburningtests;testflames;Burningcharacteristics--plastics;Calibration--flammabilityanalysisinstrumentation;Calibration--plasticsanalysisinstrumentation;Flammability--plastics;Labor
【摘要】:Theflameheightandcolor(indicativeofair-to-gasratio)foratestflamehavetraditionallybeenspecifiedintheindividualtestmethod.Theenergycontentoftheflamehasalsobeenaddressedbyreferencetoaspecificsupplygas.Ithasbeendeterminedthatthesupply-gasbackpressureandflowratecanbevariedwithoutaffectingtheheightandcoloroftheflame.However,theenergycontentoftheflameisaffected.Thispracticeprovidesthebackpressureandflowrateofthesupplygasfora20-mm(50x2013;W)anda125-mm(500x2013;W)testflame,andaprocedureforconfirmingtheheat-fluxprofileofthetestflame.Informationisprovidedfortestflamesusingmethane,propane,orbutane.Usingthisinformation,thesesupplygasescanbeusedinterchangeablywithastandardizedburnertoproduceessentiallythesametestflame.1.1Thispracticecoverstheconfirmationoftestflamesforsmall-scaleburningtestsonplasticmaterialsusingthelaboratoryburnerdescribedinSpecificationD5025.Backpressuresandflowratesformethane,propane,andbutanesupplygasesaregivenforspecifictestflames.Thispracticedescribesaproceduretoconfirmtheheatevolutionofthetestflame.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.Note18212;ThereisnosimilarISOstandard.Thispracticeisequivalentintechnicalcontentto,butnotfullycorrespondinginpresentationwith,theconfirmatoryproceduresofIEC/TS60695-11-3,MethodAandIEC/TS60695-11-4,MethodA.1.4Firetestingisinherentlyhazardous.Adequatesafeguardsforpersonnelandpropertyshallbeemployedinconductingthesetests.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:英语



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