BS EN ISO 18753-2006 精细陶瓷(高级陶瓷、高级工业陶瓷).用比重计测定陶瓷粉末的绝对密度
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【英文标准名称】:Fineceramics(advancedceramics,advancedtechnicalceramics)-Determinationofabsolutedensityofceramicpowdersbypyknometer
【原文标准名称】:精细陶瓷(高级陶瓷、高级工业陶瓷).用比重计测定陶瓷粉末的绝对密度
【标准号】:BSENISO18753-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-12-29
【实施或试行日期】:2006-12-29
【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】:高级工业陶瓷;分析;陶瓷粉末;陶瓷;定义;密度测定法;密度;密度测定瓶;密度瓶;密度测量;测定;实验室试验;材料试验;机械试验;比重瓶测量分析法;试验方法;试验
【英文主题词】:Advancedtechnicalceramics;Analysis;Ceramicpowders;Ceramics;Definition;Definitions;Densimetry;Density;Densitybottles;Densitymeasurement;Determination;Laboratorytesting;Materialstesting;Mechanicaltesting;Pycnometricanalysis;Testmethod;Testing
【摘要】:ISO18753:2004specifiesamethodfordeterminingtheparticledensityoffineceramicpowdersusingliquidpyknometry.
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:16P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforDirectContactCellCultureEvaluationofMaterialsforMedicalDevices
【原文标准名称】:直接接触细胞培养评估医疗器械材料的标准实施规程
【标准号】:ASTMF813-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:F04.16
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:细胞;评定;材料;医疗设备;医学科学;微生物学
【英文主题词】:biocompatibility;cellculture;cytotoxicitytesting;directcontactcytotoxicity
【摘要】:Thispracticeisusefulforassessingcytotoxicpotentialbothwhenevaluatingnewmaterialsorformulationsforpossibleuseinmedicalapplications,andaspartofaqualitycontrolprogramforestablishedmedicalmaterialsandmedicaldevices.Thispracticeassumesthatassessmentofcytotoxicitypotentialprovidesonemethodforpredictingthepotentialforcytotoxicornecroticreactionstomedicalmaterialsanddevicesduringclinicalapplicationstohumans.Ingeneral,cellculturetestingmethodshaveshowngoodcorrelationwithanimalassaysandarefrequentlymoresensitivetotoxicmoieties.Thiscellculturetestmethodissuitableforadoptioninspecificationsandstandardsformaterialsforuseintheconstructionofmedicaldevicesthatareintendedtobeimplantedinthehumanbodyorplacedincontactwithtissue,tissuefluids,orbloodonalong-termbasis.However,careshouldbetakenwhentestingmaterialsthatareresorbabletobesurethemethodisapplicable.Sincecellsinthisdirectcontacttestmethodarenotprotectedbyanoverlyingagaroselayer,theyaremoresusceptibletopotentialmechanicaldamageimpartedbytheoverlyingtestsample.Investigatorswishingtoevaluatethecytotoxicresponseofcellsunderlyingthetestsampleshouldconsideragarose-basedmethodssimilartoTestMethodF895.Alternatively,dependentonsamplecharacteristics,extractionmethodssuchasPracticeF619mayalsobeconsidered.1.1Thispracticecoversareferencemethodofdirectcontactcellculturetestingwhichmaybeusedinevaluatingthecytotoxicpotentialofmaterialsforuseintheconstructionofmedicalmaterialsanddevices.1.2Thispracticemaybeusedeitherdirectlytoevaluatematerialsorasareferenceagainstwhichothercytotoxicitytestmethodsmaybecompared.1.3Thisisoneofaseriesofreferencetestmethodsfortheassessmentofcytotoxicpotential,employingdifferenttechniques.1.4Assessmentofcytotoxicityisoneofseveraltestsemployedindeterminingthebiologicalresponsetoamaterial,asrecommendedinPracticeF748.1.5TheL-929celllinewaschosenbecauseithasasignificanthistoryofuseinassaysofthistype.Thisisnotintendedtoimplythatitsuseispreferred;onlythattheL-929isawell-characterized,readilyavailable,establishedcelllinethathasdemonstratedreproducibleresultsinseverallaboratories.1.6Sincethetestsampleisnotremovedatthetimeofmicroscopicevaluationandunderlyingcellsmaybeaffectedbythespecificgravityofthetestsample,thispracticeislimitedtoevaluationofcellsoutsidetheperimeteroftheoverlyingtestsample.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C30
【国际标准分类号】:07_100_10
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:StandardforSafetyforHalocarbonCleanAgentFireExtinguishers
【原文标准名称】:卤化烃清洁剂灭火器安全性标准
【标准号】:ANSI/UL2129-2012
【标准状态】:现行
【国别】:美国
【发布日期】:2012
【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】:设计;放电时间;灭火剂;灭火器;消防器械;灭火材料;消防;卤烃;手提灭火器;残留物特性;工作压力
【英文主题词】:Design;Dischargetime;Extinguishingagents;Fireextinguishers;Fireextinguishingdevices;Fireextinguishingmaterials;Firefighting;Halocarbons;Handfireextinguishers;Residueperformance;Workingpressures
【摘要】:This10/21/11UL2129proposalincludesclarificationofcylinderrequirementswithDOTandTDGRspecifications
【中国标准分类号】:C84
【国际标准分类号】:13_220_10
【页数】:
【正文语种】:英语
