【英文标准名称】:Thermalinsulationproductsforbuildingequipmentandindustrialinstallations-Factorymadecalciumsilicate(CS)products-Specification
【原文标准名称】:建筑设备和工业装置用热绝缘产品.工厂制硅酸钙(CS)产品.规范
【标准号】:BSEN14306-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2010-01-31
【实施或试行日期】:2010-01-31
【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】:应用;基本家用设备;建筑物服务设施;建筑物;硅酸钙;CE标记;检验;分类;一致性;建筑;施工材料;装配产品;定义;设计;名称与符号;尺寸;能量守恒;泡沫塑料;泡沫橡胶;泡沫材料;交货形式;绝缘材料;作标记;材料性能;材料试验;测量;测量技术;性能;质量保证;额定值;规范;规范(验收);火焰表面传播;监督(认可);试验;导热性;绝热材料;绝热;热防护;使用;用户信息
【英文主题词】:Applications;Basicdomesticfacilities;Buildingservices;Buildings;Calciumsilicate;CEmarking;Checks;Classification;Conformity;Construction;Constructionmaterials;Constructionalproducts;Consumerinformation;Definitions;Design;Designations;Dimensions;Energyconservations;Foamedplastics;Foamedrubber;Foams;Formofdelivery;Inspection;Insulatingmaterials;Marking;Materialproperties;Materialstesting;Measurement;Measuringtechniques;Properties;Qualityassurance;Ratings;Specification;Specification(approval);Surfacespreadofflame;Surveillance(approval);Testing;Thermalconductivity;Thermalinsulatingmaterials;Thermalinsulation;Thermalprotection;Use;Userinformation
【摘要】:ThisEuropeanStandardspecifiestherequirementsforfactorymadecalciumsilicateproductswhichareusedforthethermalinsulationofbuildingequipmentandindustrialinstallationswithanoperatingtemperaturerangeofapproximately-170°Cto+1100°C.NOTECalciumsilicateproductscanbeusedbelow-50°C.Belowtheoperatingtemperatureof-50°C,specialtests,regardingthesuitabilityoftheproductintheintendedapplicationareadvised(e.g.liquefactionofoxygen).Manufacturer'sadviceshouldbeheededinallcases.Theproductsaremanufacturedintheformofboards,pipesections,segmentsandprefabricatedware.Thisstandarddescribesproductcharacteristicsandincludesproceduresfortesting,evaluationofconformity,markingandlabelling.Productscoveredbythisstandardarealsousedinprefabricatedthermalinsulationsystemsandcompositepanels;thestructuralperformanceofsystemsincorporatingtheseproductsisnotcovered.Thisstandarddoesnotspecifytherequiredlevelorclassofagivenpropertythatshallbeachievedbyaproducttodemonstratefitnessforpurposeinaparticularapplication.Thelevelsrequiredforagivenapplicationcanbefoundinregulationsandinvitationstotender.Productswithadeclaredthermalconductivitygreaterthan0,6W/(mK)at10°Carenotcoveredbythisstandard.Thisstandarddoesnotcoverproductsintendedtobeusedfortheinsulationofthebuildingstructure.Thisstandarddoesnotcoverthefollowingacousticalaspects:directairbornesoundinsulationandimpactnoisetransmissionindex.
【中国标准分类号】:Q25
【国际标准分类号】:91_100_60
【页数】:40P.;A4
【正文语种】:英语


【英文标准名称】:StandardGuideforRepresentativeSamplingforManagementofWasteandContaminatedMedia
【原文标准名称】:废物和污染媒介管理用代表性取样的标准指南
【标准号】:ASTMD6044-1996(2003)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:D34.01.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:bias;contaminatedmedia;precision;representative;sample;waste;wastemanagement
【摘要】:Representativesamplesaredefinedinthecontextofthestudyobjectives.Thisguidedefinesthemeaningofarepresentativesample,aswellastheattributesthesample(s)needstohaveinordertoprovideavalidinferencefromthesampledatatothepopulation.Thisguidealsoprovidesaprocesstoidentifythesourcesoferror(bothsystematicandrandom)sothataneffortcanbemadetocontrolorminimizetheseerrors.Thesesourcesincludesamplingerror,measurementerror,andstatisticalbias.Whentheobjectiveislimitedtothetakingofarepresentative(physical)sampleorarepresentativesetof(physical)samples,onlypotentialsamplingerrorsneedtobeconsidered.Whentheobjectiveistomakeaninferencefromthesampledatatothepopulation,additionalmeasurementerrorandstatisticalbiasneedtobeconsidered.Thisguidedoesnotapplytothecaseswherethetakingofanonrepresentativesample(s)isprescribedbythestudyobjective.Inthatcase,samplingapproachessuchasjudgmentsamplingorbiasedsamplingcanbetaken.Theseapproachesarenotwithinthescopeofthisguide.Followingthisguidedoesnotguaranteethatrepresentativesampleswillbeobtained.Butfailuretofollowthisguidewilllikelyresultinobtainingsampledatathatareeitherbiasedorimprecise,orboth.Followingthisguideshouldincreasethelevelofconfidenceinmakingtheinferencefromthesampledatatothepopulation.ThisguidecanbeusedinconjunctionwiththeDQOprocess(seePracticeD5792).Thisguideisintendedforthosewhomanage,design,andimplementsamplingandanalyticalplansforwastemanagementandcontaminatedmedia.1.1Thisguidecoversthedefinitionofrepresentativenessinenvironmentalsampling,identifiessourcesthatcanaffectrepresentativeness(especiallybias),anddescribestheattributesthatarepresentativesampleorarepresentativesetofsamplesshouldpossess.Forconvenience,theterm"representativesample"isusedinthisguidetodenotebotharepresentativesampleandarepresentativesetofsamples,unlessotherwisequalifiedinthetext.1.2Thisguideoutlinesaprocessbywhicharepresentativesamplemaybeobtainedfromapopulation.Thepurposeoftherepresentativesampleistoprovideinformationaboutastatisticalparameter(s)(suchasmean)ofthepopulationregardingsomecharacteristic(s)(suchasconcentration)ofitsconstituent(s)(suchaslead).Thisprocessincludesthefollowingstages:(1)minimizationofsamplingbiasandoptimizationofprecisionwhiletakingthephysicalsamples,(2)minimizationofmeasurementbiasandoptimizationofprecisionwhenanalyzingthephysicalsamplestoobtaindata,and(3)minimizationofstatisticalbiaswhenmakinginferencefromthesampledatatothepopulation.Whilebothbiasandprecisionarecoveredinthisguide,majoremphasisisgiventobiasreduction.1.3Thisguidedescribestheattributesofarepresentativesampleandpresentsageneralmethodologyforobtainingrepresentativesamples.Itdoesnot,however,providespecificorcomprehensivesamplingprocedures.Itistheuser'sresponsibilitytoensurethatproperandadequateproceduresareused.1.4Theassessmentoftherepresentativenessofasampleisnotcoveredinthisguidesinceitisnotpossibletoeverknowthetruevalueofthepoplulation.1.5Sincethepurposeofeachsamplingeventisunique,thisguidedoesnotattempttogiveastepbystepaccountofhowtodevelopasamplingdesignthatresultsinthecollectionofrepresentativesamples.1.6AppendixX1containstwocasestudies,whichdiscussthefactorsforobtainingrepresentativesamples.1.7Thisstandarddoesnotpurporttoaddr......
【中国标准分类号】:Z04
【国际标准分类号】:13_020_10
【页数】:11P.;A4
【正文语种】: