EN 1170-8-2008 玻璃纤维增强水泥用试验方法第8部分:循环耐气候性试验
时间:2024-05-09 11:01:47 来源: 标准资料网 作者：标准资料网 阅读：8422
【英文标准名称】:Testmethodforglass-fibrereinforcedcement-Part8:Cyclicweatheringtypetest;EnglishversionofDINEN1170-8:2009-05
【原文标准名称】:玻璃纤维增强水泥用试验方法第8部分:循环耐气候性试验
【标准号】:EN1170-8-2008
【标准状态】:现行
【国别】:
【发布日期】:2009-05
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:老化;气候条件;组件;铰接式接头;混凝土;建筑;施工材料;周期的;耐久性;环境条件;环境影响;玻璃纤维混凝土;热学;气候效应;寿命;测量;测量技术;机械性能;潮气;预制混凝土部件;性能;预拌混凝土;温度;试验循环;试验;耐气候性试验
【英文主题词】:Ageing(materials);Climaticcondition;Components;Concreteproducts;Concretes;Construction;Constructionmaterials;Cyclic;Durability;Environmentalconditions;Environmentaleffects;Glassfibreconcretes;Heat;Influenceofclimate;Life(durability);Measurement;Measuringtechniques;Mechanicalproperties;Moisture;Precastconcreteparts;Properties;Ready-mixedconcrete;Temperature;Testcycles;Testing;Weatheringtests
【摘要】:
【中国标准分类号】:Q23
【国际标准分类号】:91_100_30
【页数】:13P.;A4
【正文语种】:英语
【英文标准名称】:Workplaceatmospheres-Protocolforevaluatingtheperformanceofdiffusivesamplers
【原文标准名称】:工作场所空气.扩散取样器的性能评估协议
【标准号】:BSISO16107-1999
【标准状态】:作废
【国别】:英国
【发布日期】:1999-11-15
【实施或试行日期】:1999-11-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:合格;大气;气体分析;统计方法分析;质量保证;效率;质量;职业安全;干扰(化学);试验持续时间;自然工作条件;性能试验;试验条件;含量测定;流量测量;方程;试验设备;计算机应用;误差修正;扩散;置信限;空气污染;文献索引;准确度;采样设备;分类系统;空气;性能
【英文主题词】:Airpollution;Airquality;Bias;Dangerousstuffs;Diffusion;Diffusivesamplers;Efficiency;Gasanalysis;Healthprotection;Measuringinstruments;Occupationalsafety;Specification(approval);Symbols;Workingplaces;Workplacesafety
【摘要】:1ThisInternationalStandardcoverstheevaluationoftheperformanceofdiffusivesamplersofgasesandvapoursforuseoversamplingperiodsfrom4hto12h.Samplingperiodsofsuchdurationarethemostcommoninworkplacesampling.Givenasuitableexposurechamber,thisInternationalStandardcanbestraightforwardlyextendedtocoversamplersforuseoverothersamplingperiodsaswell.Theaimistoprovideaconcisesetofexperimentsforclassifyingsamplersprimarilyaccordingtoasinglenumericalvaluerepresentingsampleraccuracy.NOTEAccuracyestimatesrefertoconditionsofsamplerusewhicharenormallyexpectedinaworkplacesetting.Theseconditionsmaybecharacterizedbythetemperature,atmosphericpressure,humidityandambientwindspeed,noneofwhichmaybeconstantoraccuratelyknown.Furthermore,theaccuracyaccountsfordifficultyintheestimationoftime-weightedaveragesofconcentrationswhichmaynotbeconstantintime.Inadditiontoaccuracydetermination,amethodisprovidedtotestthesamplersforcompliancewiththemanufacturer'sstatedlimitsoncapacity,possiblyinthepresenceofinterferingcompounds.Amethodisgivenforclassificationofsamplersaccordingtotheircapabilitytodetectsituationsinwhichsamplercapacitymaybeexceeded.2ThisInternationalStandardisanextensionofpreviousresearchondiffusivesamplers[1-17]aswellasEN838.Essentialadvantagesaretheestimationofsampleraccuracyunderactualconditionsofuseandthereductionincostofsamplerevaluation.NOTEFurtheringthelatterpoint,knowledgeofsimilaritybetweenanalytesofinterestcanbeusedtoexpeditesamplerevaluation.Forexample,interpolationofdatacharacterizingthesamplingofanalytesatseparatedpointsofahomologousseriesofcompoundsisrecommended.Atpresenttheprocedurein[9]issuggested:Followingevaluationofasamplerinuseatasinglehomologousseriesmemberaccordingtothepresentpractice,highermolecularweightmemberswouldreceivepartialvalidationsconsideringsamplingrate,capacity,analyticalrecoveryandinterferences.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_30
【页数】:22P;A4
【正文语种】:英语
【英文标准名称】:IncandescentProjectionLamps-MethodforLifeTesting
【原文标准名称】:电灯.白炽投影灯.寿命检验的方法
【标准号】:ANSIC78.1450-1983
【标准状态】:现行
【国别】:美国
【发布日期】:1983
【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】:NEMA(ASCC78)
【标准类型】:()
【标准水平】:()
【中文主题词】:投影灯;灯
【英文主题词】:Lamps;Projectionlamps
【摘要】:Thisstandarddescribesamethodforlifetestingincandescentprojectionlamps.Italsodefinesassociatedtermsanddescribesamethodofevaluatingacceptability.
【中国标准分类号】:K71
【国际标准分类号】:29_140_20;37_040_10
【页数】:2P.;A4
【正文语种】:英语