【英文标准名称】:Acoustics-Audiometrictestmethods-Part1:pure-toneairandboneconductionaudiometry.
【原文标准名称】:声学.听力试验方法.第1部分:纯音气导和骨导测听法.
【标准号】:NFS31-083-1-2011
【标准状态】:现行
【国别】:法国
【发布日期】:2011-01-01
【实施或试行日期】:2011-01-29
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Acoustics;Airtubes;Audiometers;Audiometry;Auditorythreshold;Boneconduction;Computerassistance;Definitions;Investigations;Measurement;Measurementofthresholdofaudibility;Measuringtechniques;Soundfields;Specification(approval);Specifications;Testsignals;Testing;Testingconditions
【摘要】:
【中国标准分类号】:Z32
【国际标准分类号】:13_140
【页数】:39P;A4
【正文语种】:其他


【英文标准名称】:StandardPracticeforPreservingIgnitableLiquidsandIgnitableLiquidResidueExtractsfromFireDebrisSamples
【原文标准名称】:从火灾残留碎片样本中保存可燃液体和可燃液体残留提取物的标准实施规程
【标准号】:ASTME2451-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E30.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:analysis;archiving;extractpreservation;firedebris;forensicscience;ignitableliquidresidue;sampleextract;samplepreservation;storage
【摘要】:Thearchivingofextractsrecoveredfromfiredebrisorliquidssubmittedinafireinvestigationprovidesamechanismtopreserveextractsandliquidsforreanalysisintheeventthatsampleloss,sampledegradation,orfailureofthefiredebriscontaineroccursduringpost-analysisstorageoffiredebrisevidence.Thenatureofsomeextractionprocedures,whichmayprecludereanalysis,isconsidered.Changestoapreservedsampleextractandthelengthoftimeitremainsviableunderstorageconditionsareunknown.Theconcentrationandcompositionoftheignitableliquidresidueortheuseofanalternateextraction/concentrationtechniqueusedtopreserveasampleextractofthefiredebrissamplemayresultindifferentfindingsbetweentheanalysisofthepreservedsampleandtheoriginalanalysis.1.1Thispracticedescribesproceduresforpreservingresiduesofignitableliquidsinextractsobtainedfromfiredebrissamplesandquestionedignitableliquidsamples.ExtractionproceduresaredescribedintheReferencedDocuments.1.2Thispracticedoesnotattempttoaddressalltheissuesregardingtheshort-termorlong-termstorageofignitableliquidsamplesandignitableliquidextractsfromfiredebrissamples.Thechangesthatmayoccurundervariousstorageconditionshavenotbeenfullydocumented.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C80
【国际标准分类号】:13_220_40
【页数】:2P.;A4
【正文语种】:英语