【英文标准名称】:Multilayerpipingsystemsforhotandcoldwaterinstallationsinsidebuildings-Part5:Fitnessforpurposeofthesystem(ISO21003-5:2008);EnglishversionofDINENISO21003-5:2008-11
【原文标准名称】:建筑物内冷热水装置用多层管道系统.第5部分:系统的适用性
【标准号】:DINENISO21003-5-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:应用;建筑物;分类;冷水;冷水管;适用性;加热系统;加热设备;热水;热水集中供暖;家用(安装)设备;装置;材料;多层系统;使用条件;聚丁烯;PE-X;管道配件;管道装置;管道;管;管系统;塑料管道;塑料管;塑料;聚酯树脂;聚乙烯;聚合材料;聚丙烯;聚氯乙烯;饮用水;PP;PVC-C;建筑物服务设施;可用水;规范(验收);测试;热环境系统;温水;水;输水管道;水常规;给水;给水设施
【英文主题词】:Applications;Buildings;Classification;Coldwater;Coldwaterconduit;Fitnessforpurpose;Heatedsystems;Heatingequipment;Hotwater;Hot-watercentralheating;Houseinstallations;Installations;Materials;Multilayersystem;Operatingconditions;PB;PE-X;Pipefittings;Pipelineinstallations;Pipelines;Pipes;Pipingsystem;Plasticpipelines;Plasticpipes;Plastics;Polyesterresins;Polyethylene;Polymericmaterials;Polypropylene;Polyvinylchloride;Potablewater;PP;PVC-C;Serviceinstallationsinbuildings;Servicewater;Specification(approval);Testing;Thermalenvironmentsystems;Warmwater;Water;Waterpipelines;Waterpractice;Watersupply;Watersupplyinstallations
【摘要】:ThispartofISO21003specifiesthecharacteristicsforthefitnessforpurposeofmultilayerpipingsystemsintendedtobeusedforhotandcoldwaterinstallationsinsidebuildingsfortheconveyanceofwater--whetherornotthewaterisintendedforhumanconsumption(domesticsystems)orforheatingsystems--underspecifieddesignpressuresandtemperaturesappropriatetotheclassofapplication(seeTable1ofISO21003:2008).ItalsospecifiesthetestparametersforthetestmethodsreferredtointhispartofISO21003.ISO21003isareferenceproductstandard.Itisapplicabletomultilayerpipes,fittings,theirjoints,andalsotojointswithcomponentsmadeofotherplasticsandnon-plasticsmaterialsintendedtobeusedforhotandcoldwaterinstallations.ThispartofISO21003isintendedforuseonlyinconjunctionwithalltheotherpartsofISO21003.ISO21003coversarangeofserviceconditions(applicationclasses)anddesignpressures.Itisnotapplicableforvaluesofdesigntemperature,TD,maximumdesigntemperature,/'max,andmalfunctiontemperature,TmaI,inexcessofthoseinTable1ofISO21003-1:2008.NOTE1Itistheresponsibilityofthepurchaserorspecifiertomaketheappropriateselectionsfromtheseaspects,takingintoaccounttheirparticularrequirementsandanyrelevantnationalregulationsandinstallationpracticesorcodes.Thepolymericmaterialsusedforthestress-designedlayersarethefollowing:polybutylene(PB),polyethyleneofraisedtemperatureresistance(PE-RT),crosslinkedpolyethylene(PE-X),polypropylene(PP)andchlorinatedpoly(vinylchloride)(PVC-C).ThePE-Xusedshallbefullycrosslinkedandshallcomplywiththerequirementsoftherelevantreferenceproductstandard(ISO15875).NOTE2ForthepurposesofthisISO21003,crosslinkedpolyethylene(PE-X)aswellasadhesivesareconsideredasthermoplasticmaterials.
【中国标准分类号】:Q81;P40
【国际标准分类号】:91_140_60
【页数】:17P.;A4
【正文语种】:英语


【英文标准名称】:StandardPracticesforGeneralTechniquesofUltraviolet-VisibleQuantitativeAnalysis
【原文标准名称】:紫外线可见光定量分析一般技术的标准规程
【标准号】:ASTME169-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:E13.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:分析方法;分析;工艺学;量
【英文主题词】:Quantitativeanalysis;ultraviolet"QA,"generaltechniques,practice,;Spectroscopy-ultraviolet;quantitativeanalysis,generaltechniques,practice
【摘要】:Thesepracticesareasourceofgeneralinformationonthetechniquesofultravioletandvisiblequantitativeanalyses.Theyprovidetheuserwithbackgroundinformationthatshouldhelpensurethereliabilityofspectrophotometricmeasurements.Thesepracticesarenotintendedasasubstituteforathoroughunderstandingofanyparticularanalyticalmethod.Itistheresponsibilityoftheuserstofamiliarizethemselveswiththecriticaldetailsofamethodandtheproperoperationoftheavailableinstrumentation.1.1Thesepracticesareintendedtoprovidegeneralinformationonthetechniquesmostoftenusedinultravioletandvisiblequantitativeanalysis.Thepurposeistorenderunnecessarytherepetitionofthesedescriptionsoftechniquesinindividualmethodsforquantitativeanalysis.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityofwhoeverusesthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A60
【国际标准分类号】:71_040_50
【页数】:6P.;A4
【正文语种】: