NF S31-057-1982 声学.建筑物声音质量的检验

作者:标准资料网 时间:2024-05-13 12:49:50   浏览:9428   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Acoustics.Verificationoftheacousticqualityofbuildings.
【原文标准名称】:声学.建筑物声音质量的检验
【标准号】:NFS31-057-1982
【标准状态】:作废
【国别】:法国
【发布日期】:1982-10-01
【实施或试行日期】:1982-10-29
【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】:住宅建筑物;质量管理;家用设施;定义;背景噪声;公共建筑物;共同建筑物;隔音;私人用建筑物;学校;学校建筑物;乱真信号;噪声;住宅设施;隔声;空气(载)声;声学测量
【英文主题词】:
【摘要】:
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:19P;A4
【正文语种】:其他


下载地址: 点击此处下载
基本信息
标准名称:高压线路柱式瓷绝缘子
中标分类: 电工 >> 输变电设备 >> 绝缘子
替代情况:部分被GB/T 1001.1-2003代替;标准内容已被GB/T 21206-2007 涵盖。
发布日期:1996-11-07
实施日期:1997-07-01
首发日期:1900-01-01
作废日期:2008-05-01
归口单位:全国绝缘子标委会
出版日期:1900-01-01
页数:11 页
适用范围

没有内容

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 电工 输变电设备 绝缘子
【英文标准名称】:StandardPracticeforAquaticToxicityTestingofLubricants:SamplePreparationandResultsInterpretation
【原文标准名称】:润滑剂水中毒性试验的标准实施规程:样品制备和结果判断
【标准号】:ASTMD6081-1998(2009)
【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】:D02.12
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:aquatictoxicity;ecotoxicity;effectload;incidentload;lethalload;lubricant;mechanicaldispersion;wateraccommodatedfraction(WAF);watersolublefraction(WSF);Aquatictoxicity;Lubricants;Toxicity/toxicology--petroleumproducts;Wateranalysi
【摘要】:Thispracticegivestechniquestouseinthepreparationoflubricantsorlubricantcomponentsforacuteorchronicaquatictoxicitytests.Mostlubricantsandlubricantcomponentsaredifficulttoevaluateintoxicitytestsbecausetheyaremixturesofchemicalcompoundswithvaryingandusuallypoorsolubilityinwater.Lubricantsorlubricantcomponentmixturesshouldnotbeaddeddirectlytoaquaticsystemsfortoxicitytestingbecausethedetailsoftheadditionprocedurewillhavealargeeffectontheresultsofthetoxicitytest.Useofthetechniquesdescribedinthispracticewillproducewell-characterizedtestsystemsthatwillleadtotestswithmeaningfulandreproducibleresults.Thetoxicityofmixturesofpoorlysolublecomponentscannotbeexpressedintheusualtermsoflethalconcentration(orthesimilartermsofeffectconcentrationorinhibitionconcentration)becausethemixturesmaynotbecompletelysolubleattreatlevelsthatleadtotoxiceffects.Thetestmaterialpreparationtechniquesgiveninthispracticeleadtotestresultsexpressedintermsofloadingrate,whichisapracticalandmeaningfulconceptforexpressingthetoxicityofthistypeofmaterial.Oneoftherecommendedmethodsofmaterialpreparationforlubricantsortheircomponentsisthemechanicaldispersiontechnique.Thisparticulartechniquegeneratesturbulence,andthus,itshouldnotbeusedforpoorlyswimmingorganisms.1.1Thispracticecoversprocedurestobeusedinthepreparationoflubricantsortheircomponentsfortoxicitytestinginaquaticsystemsandintheinterpretationoftheresultsofsuchtests.1.2Thispracticeissuitableforuseonfully-formulatedlubricantsortheircomponentsthatarenotcompletelysolubleattheintendedtesttreatrates.Itisalsosuitableforusewithadditives,iftheadditiveistestedafterbeingblendedintoacarrierfluidattheapproximateconcentrationasintheintendedfullyformulatedlubricant.Thecarrierfluidshallmeettheabovesolubilitycriterion,beknowntobeminimallytoxicinthetoxicitytestinwhichthematerialwillbetested,andbeknowntohaveachemicalcompositionsimilartotherestoftheintendedfullyformulatedlubricant.1.3Samplespreparedinaccordancewiththispracticemaybeusedinacuteorchronicaquatictoxicitytestsconductedinfreshwaterorsaltwaterwithfish,largeinvertebrates,oralgae.Thispracticedoesnotaddresspreparationofsamplesforplanttoxicitytestingotherthanalgae.1.4Standardacuteandchronicaquatictoxicityproceduresaremoreappropriateforlubricantswithcompositionsthatarecompletelysolubleattheintendedtesttreatrates(1,2,3,4,5).1.5Thispracticeisintendedforusewithlubricantsorlubricantcomponentsofanyvolatility.1.6Thispracticedoesnotaddressanyquestionsregardingtheeffectsofanylubricantorlubricantcomponentonhumanhealth.1.7ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:7P.;A4
【正文语种】:英语