NF X41-535-1974 木材防腐剂.对粉蠹防治作用的测定(实验室法)
作者:标准资料网 时间:2024-05-05 09:13:04 浏览:9722
来源:标准资料网
【英文标准名称】:WOODPRESERVATIVE.DETERMINATIONOFTHEPREVENTIVEACTIONAGAINSTLYCTUSBRUNNEUS(STEPHENS).(LABORATORYMETHOD).(EUROPEANSTANDARDEN20).
【原文标准名称】:木材防腐剂.对粉蠹防治作用的测定(实验室法)
【标准号】:NFX41-535-1974
【标准状态】:作废
【国别】:法国
【发布日期】:1974-10
【实施或试行日期】:1974-09-30
【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】:节肢动物门;抗病虫害试验;杀虫剂;防护;预防医学;粉蠹;鞘翅目;木材;畜牧业;安全;保护(装置);事故预防;农药;木材防腐剂;实验室试验;试验
【英文主题词】:
【摘要】:
【中国标准分类号】:B71
【国际标准分类号】:
【页数】:16P;A4
【正文语种】:其他
【英文标准名称】:StandardPracticeforEvaluatingthePerformanceofRespirableAerosolSamplers
【原文标准名称】:可呼吸的气雾剂样品性能评价的标准操作规程
【标准号】:ASTMD6061-2001(2007)e1
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D22.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:气溶胶;收集器;接收机;采样器;空气污染
【英文主题词】:aerosol;airmonitoring;bias;confidence;conventions;deposition;evaluation;fractions;particle;particulates;penetration;performance;randomvariation;respirable;samplingandanalysis;samplingefficiency;size-selective;tolerance;
【摘要】:Thispracticeissignificantfordeterminingperformancerelativetoidealsamplingconventions.Thepurposesaremultifold:5.1.1Theconventionshavearecognizedtietohealtheffectsandcaneasilybeadjustedtoaccommodatenewfindings.5.1.2Performancecriteriapermitinstrumentdesignerstoseekpracticalsamplerimprovements.5.1.3Performancecriteriapromotecontinuedexperimentaltestingofthesamplersinusewiththeresultthatthesignificantvariables(suchaswindspeed,particlecharge,etc.)affectingsampleroperationbecomeunderstood.Onespecificuseoftheperformancetestsisindeterminingtheefficacyofagivencandidatesamplerforapplicationinregulatorysampling.Theaccuracyofthecandidatesamplerismeasuredinaccordancewiththeevaluationtestsgivenhere.Asamplermaythenbeadoptedforaspecificapplicationiftheaccuracyisbetterthanaspecificvalue.5.2.1Discussion151;Insomeinstances,asamplersoselectedforuseincompliancedeterminationsisspecifiedwithinanexposurestandard.Thisisdonesoastoeliminatedifferencesamongsimilarsamplers.Samplerspecificationthenreplacestherespirablesamplingconvention,eliminatingbias(3.2.10),whichthendoesnotappearintheuncertaintybudget.Althoughthecriteriaarepresentedintermsofacceptedsamplingconventionsgearedmainlytocompliancesampling,otherapplicationsexistaswell.Forexample,supposethataspecificaerosoldiameter-dependenthealtheffectisunderinvestigation.Thenforthepurposeofanepidemiologicalstudyanaerosolsamplerthatreflectsthediameterdependenceofinterestisrequired.Sampleraccuracymaythenbedeterminedrelativetoamodifiedsamplingconvention.1.1Thispracticecoverstheevaluationoftheperformanceofpersonalsamplersofnon-fibrousrespirableaerosol.Thesamplersareassessedrelativetoaspecificrespirablesamplingconvention.Theconventionisoneofseveralthatidentifyspecificparticlesizefractionsforassessinghealtheffectsofairborneparticles.Whenahealtheffectsassessmenthasbeenbasedonaspecificconventionitisappropriatetousethatsameconventionforsettingpermissibleexposurelimitsintheworkplaceandambientenvironmentandformonitoringcompliance.Theconventions,whichdefineinhalable,thoracic,andrespirableaerosolsamplerideals,havenowbeenadoptedbytheInternationalStandardsOrganization(TechnicalReportISOTR7708),theComitEuropendeNormalisation(CENStandardEN481),andtheAmericanConferenceofGovernmentalIndustrialHygienists(ACGIH,Ref(1)),developed(2)inpartfromhealth-effectsstudiesreviewedinRef(3)andinpartasacompromisebetweendefinitionsproposedinRefs(3,4).1.2ThispracticeiscomplimentarytoTestMethodD4532,whichspecifiesaparticularinstrument,the10-mmcyclone.Thesamplerevaluationprocedurespresentedinthispracticehavebeenappliedinthetestingofthe10-mmcycloneaswellastheHiggins-Dewellcyclone.,Detailsontheevaluationhavebeenrecentlypublished(5-7)andcanbeincorporatedintorevisionsofTestMethodD4532.1.3Acentralaimofthispracticeistoprovideinformationrequiredforcharacterizingtheuncertaintyofconcentrationestimatesfromsamplestakenbycandidatesamplers.Forthispurpose,samplingaccuracydatafromtheperformancetestsgivenherecanbecombinedwithinformationastoanalyticalandsamplingpumpuncertaintyobtainedexternally.ThepracticeappliesprinciplesofISOGUM,expandedtocoversituationscommoninoccupationalhygienemeasurement,wherethemeasurandvariesmarkedlyinbothtimeandspace.Ageneralapproach(
基本信息
标准名称: | 电站锅炉过热器和再热器试验导则 |
中标分类: |
机械 >>
活塞式内燃机与其他动力设备 >>
锅炉及其辅助设备 |
发布部门: | 中华人民共和国能源部 |
发布日期: | 1992-05-16 |
实施日期: | 1992-11-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
提出单位: | 能源部西安热工研究所 |
归口单位: | 能源部西安热工研究所技术 |
起草单位: | 能源部西安热工研究所 |
起草人: | 王振文 |
出版社: | 中国电力出版社 |
出版日期: | 1992-11-01 |
页数: | 15页 |
适用范围
过热器、再热器是锅炉设备的重要部件,其性能好坏直接影响锅炉运行的安全性和经济性,为保证过热器和再热器安全、经济运行,发现过热器、再热器存在的缺陷,寻求保证其安全运行的条件,从而制订锅炉合理的启停及运行方式,特制订本导则。
本导则的适用范围为电站锅炉,对有过热器的工业锅炉亦可参照引用。
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 机械 活塞式内燃机与其他动力设备 锅炉及其辅助设备