您的位置: 标准下载 » 国际标准 » BS 英国标准 »

DD CEN/TS 15658-2007 高级工业陶瓷.无反应环境高温条件下陶瓷纤维的机械特性.用热端法测定儒变性能

作者:标准资料网 时间:2024-05-15 20:20:08  浏览:9023   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Advancedtechnicalceramics—Mechanicalpropertiesofceramicfibresathightemperatureundernon-reactiveenvironment—Determinationofcreepbehaviourbythehotendmethod
【原文标准名称】:高级工业陶瓷.无反应环境高温条件下陶瓷纤维的机械特性.用热端法测定儒变性能
【标准号】:DDCEN/TS15658-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-10-31
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisTechnicalSpecificationspecifiestheconditionsforthedeterminationofthetensilecreepdeformationandfailurebehaviourofsinglefilamentsofceramicfibresathightemperatureandundertestconditionsthatpreventchangestothematerialasaresultofchemicalreactionwiththetestenvironment.ThisTechnicalSpecificationappliestocontinuousceramicfilamentstakenfromtows,yarns,braidsandknittedstructures,thathavestrainstofailurelessthanorequalto5%.
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:18P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardGuideforConductingRenewalMicroplate-BasedLife-CycleToxicityTestswithaMarineMeiobenthicCopepod
【原文标准名称】:用海洋Meiobenthic桡足类甲壳动物进行复原的基于微板的寿命周期毒性试验的标准指南
【标准号】:ASTME2317-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:E47.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:microplate-based;life-cycle;toxicitytests;marine;meiobenthic;copepod
【摘要】:1.1Thisguidedescribesproceduresforobtaininglaboratorydataconcerningtheadverseeffectsofatestmaterialaddedtoseawater,butnottofood,onthemarinecopepodAmphiascustenuiremis,duringcontinuousexposuresofindividuals,fromimmediatelyafterbirth,untilafterthebeginningofreproductionusinga200956;Lrenewalmicroplate-culturingtechnique.Thefollowingdataarecheckedandrecordedduringthetestperiod:stage-specificsurvival,numberofdaysittakesfordevelopmentfromafirststagenaupliustoareproductivelymaturecopepod,genderratios,numberofdaysforafemaletoextrudefirstandsubsequentbroods,numberofdaysbetweenfirst(andsubsequent)broodextrusion(s)andhatchingoffirst-generationnauplii,numberofhatchedandsurvivingnauplii,numberofunhatchedornecroticeggsandabortedunhatchingeggsacs,andthetotalnumberoffemalesabletoproduceviableoffspringovertheentirematingperiod.Thismicroplate-basedfulllife-cycletoxicitytesthasadurationofapproximately17daysfortoxicantsthatdonotdelaydevelopment.Theseproceduresprobablywillbeusefulforconductinglife-cycletoxicitytestswithotherspeciesofcopepods,althoughmodificationsmightbenecessary.1.2Theseproceduresareapplicabletomostchemicals,eitherindividually,orinformulations,commercialproducts,orknownmixtures,thatcanbemeasuredaccuratelyatthenecessaryconcentrationinwater.Withappropriatemodificationstheseprocedurescanbeusedtoconducttestsontemperature,dissolvedoxygen,andpHandonsuchmaterialsasaqueouseffluents(seealsoGuideE1192),sedimentporewaters,andsurfacewaters.Renewalmicroplatetestsmightnotbeapplicabletomaterialsthathaveahighoxygendemand,arehighlyvolatile,arerapidlytransformed(biologicallyorchemically)inaqueoussolutions,orareremovedfromtestsolutionsinsubstantialquantitiesbythetestchambersororganismsduringthetest.Iftheconcentrationofdissolvedoxygenfallsbelow50%ofsaturation,ortheconcentrationoftestmaterialinthetestsolutiondecreasesbymorethan20%betweenrenewals,itmightbedesirabletorenewthesolutionsmoreoften.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:07_100_99
【页数】:16P.;A4
【正文语种】:


【英文标准名称】:Quantitiesandunits--Part0:Generalprinciples(Erratum1)
【原文标准名称】:量值和单位.第0部分:总则(勘误1)
【标准号】:JISZ8202-0ERRATUM1-2002
【标准状态】:现行
【国别】:日本
【发布日期】:
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【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】:A51
【国际标准分类号】:
【页数】:1P;A4
【正文语种】:日语