BS 2G 239-1992 航空用原活性锂电池规范
作者:标准资料网 时间:2024-05-12 07:52:40 浏览:9031
来源:标准资料网
【英文标准名称】:Specificationforprimaryactivelithiumbatteriesforuseinaircraft
【原文标准名称】:航空用原活性锂电池规范
【标准号】:BS2G239-1992
【标准状态】:现行
【国别】:英国
【发布日期】:1992-10-15
【实施或试行日期】:1992-10-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Introducesrevisedandadditionaltestsforprimarylithiumbatteriestoassistmanufacturerstoovercomedifficultiesinimplementingthepreviousstandard.
【中国标准分类号】:V35;V76
【国际标准分类号】:49_060
【页数】:22P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforTotalOlefinsinSpark-ignitionEngineFuelsbyMultidimensionalGasChromatography
【原文标准名称】:用多维气相色谱法测定火花点火发动机燃料中总烯烃的标准试验方法
【标准号】:ASTMD6296-1998(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【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】:D02.04.0L
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:gaschromatography;gasoline;multidimensionalgaschromatography;olefins;spark-ignitionenginefuels;Automotiveenginefuels/oils;Gaschromatography(GC)--petroleumproducts;Multi-dimensionalgaschromatography;Olefinscontent;Totalolefins
【摘要】:Thequantitativedeterminationofolefinsinspark-ignitionenginefuelsisrequiredtocomplywithgovernmentregulations.Knowledgeofthetotalolefincontentprovidesameanstomonitortheefficiencyofcatalyticcrackingprocesses.ThistestmethodprovidesbetterprecisionforolefincontentthanTestMethodD1319.Italsoprovidesdatainamuchshortertime,approximately20minfollowingcalibration,andmaximizesautomationtoreduceoperatorlabor.ThistestmethodisnotapplicabletoM85orE85fuels,whichcontain85%methanolandethanol,respectively.1.1ThistestmethodprovidesforthequantitativedeterminationoftotalolefinsintheC4toC10rangeinspark-ignitionenginefuelsorrelatedhydrocarbonstreams,suchasnaphthasandcrackednaphthas.Olefinconcentrationsintherangefrom0.2to5.0liquid-volume%ormass%,orboth,canbedetermineddirectlyontheas-receivedsamplewhereasolefinsinsamplescontaininghigherconcentrationsaredeterminedafterappropriatesampledilutionpriortoanalysis.1.2Thistestmethodisapplicabletosamplescontainingalcoholsandethers;however,samplescontaininggreaterthan15%alcoholmustbediluted.Samplescontaininggreaterthan5.0%ethermustalsobedilutedtothe5.0%orlesslevel,priortoanalysis.Whenethyl-tert-butyletherispresent,onlyolefinsintheC4toC9rangecanbedetermined.1.3Thistestmethodcannotbeusedtodetermineindividualolefincomponents.1.4ThistestmethodcannotbeusedtodetermineolefinshavinghighercarbonnumbersthanC10.Note18212;PrecisionwasdeterminedonlyonsamplescontainingMTBEandethanol.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:
【页数】:8P.;A4
【正文语种】:英语
【英文标准名称】:Demolitionworks-Concepts,procedures,fieldsofapplication
【原文标准名称】:拆除.方案、程序、应用场所
【标准号】:DIN18007-2000
【标准状态】:现行
【国别】:德国
【发布日期】:2000-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:方法;施工作业;建筑;拆开;术语;定义;定义;拆除;摧毁
【英文主题词】:definitions;blastings;construction;definition;terminology;constructionoperations;methods;dismantling;demolition
【摘要】:Thedocumentgivesconcepts,proceduresandfieldsofapplicationfortotalandpartialdemolitionofbuildings,itspartsandtechnicalplantsaswellasforproducingopenenings.Partsmayalsobefrommachineryandindustrialprocessingplants.Thescopecoversanymaterialbeinggeneratedbydemolition.
【中国标准分类号】:P04
【国际标准分类号】:91_200;01_040_91
【页数】:8P;A4
【正文语种】:德语
