ASTM D7191-2005 用相对湿度传感器测定塑料中湿度的标准试验方法
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【英文标准名称】:StandardTestMethodforDeterminationofMoistureinPlasticsbyRelativeHumiditySensor
【原文标准名称】:用相对湿度传感器测定塑料中湿度的标准试验方法
【标准号】:ASTMD7191-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D20.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:湿度测定;湿度;塑料;相对;传感器;试验
【英文主题词】:moisturedetermination;plastics
【摘要】:Thistestmethodisintendedforuseasacontrol,acceptance,andassessmenttest.Moisturecanseriouslyaffecttheprocessabilityofplastics.Itispossiblethathighmoisturecontentwillcausesurfaceimperfections(thatis,splayorbubbling)ordegradationbyhydrolysis.Lowmoisture(withhightemperature)hasbeenknowntocausesolidphasepolymerization.Thephysicalpropertiesofsomeplasticsaregreatlyaffectedbythemoisturecontent.1.1Thistestmethodcoversthequantitativedeterminationofwaterdownto20ppminplasticsusingarelativehumiditysensor.1.2ValuesstatedinSIunitsaretoberegardedasstandard.1.3Specimenstestedinthistestmethodcanreachorexceed250176;C,usecautionwhenhandlingthemaftertestinghascompleted.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note1ThereisnosimilarorequivalentISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:StandardTestMethodforMeasurementofParticulateEmissionsandHeatingEfficiencyofOutdoorSolidFuel-FiredHydronicHeatingAppliances
【原文标准名称】:测定粒子排放量和使用室外固体燃料的液体循环供暧设备的加热效率的标准试验方法
【标准号】:ASTME2618-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E06.54
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:hydronicheatingappliances;outdoorhydronicheaters;solidfuel;wood-burning;Hydronicheatingsystems;Heatingtests--buildingproducts;Performance--buildingmaterials/applications
【摘要】:Themeasurementofparticulatematteremissionratesisanimportanttestmethodwidelyusedinthepracticeofairpollutioncontrol.Thesemeasurements,whenapprovedbyfederalorstateagencies,areoftenrequiredforthepurposeofdeterminingcompliancewithregulationsandstatutes.Themeasurementsmadebeforeandafterdesignmodificationsarenecessarytodemonstratetheeffectivenessofdesignchangesinreducingemissionsandmakethisstandardanimportanttoolinmanufacturerx2019;sresearchanddevelopmentprograms.Measurementofheatingefficiencyprovidesauniformbasisforcomparisonofproductperformancethatisusefultotheconsumer.Itisalsorequiredtorelateemissionsproducedtotheusefulheatproduction.Thisisalaboratorymethodandisnotintendedtobefullyrepresentativeofallactualfielduse.Itisrecognizedthatusersofhand-firedwoodburningequipmenthaveagreatdealofinfluenceovertheperformanceofanywood-burningappliance.Somecompromisesinrealismhavebeenmadeintheinterestofprovidingareliableandrepeatabletestmethod.1.1Thistestmethodappliestowood-firedorautomaticallyfedbiomassburninghydronicheatingappliances,whichthemanufacturerspecifiesforoutdoorinstallationorinstructuresnotnormallyoccupiedbyhumans.Theseappliancestransferheattotheindoorenvironmentthroughcirculationofaliquidheatexchangemediasuchaswaterorawater-antifreezemixture.1.2Thetestmethodsimulateshandloadingofseasonedcordwoodorfuelingwithaspecifiedbiomassfuelandmeasuresparticulateemissionsanddeliveredheatingefficiencyatspecifiedheatoutputratesbasedontheappliancex2019;sratedheatingcapacity.1.3ParticulateemissionsaremeasuredbythedilutiontunnelmethodasspecifiedinTestMethodE2515.Deliveredefficiencyismeasuredbydeterminingtheheatoutputthroughmeasurementoftheflowrateandtemperaturechangeofwatercirculatedthroughaheatexchangerexternaltotheapplianceanddeterminingtheinputfromthemassofdryfuelanditshigherheatingvalue.Deliveredefficiencydoesnotattempttoaccountforpipelineloss.1.4Productscoveredbythistestmethodincludebothpressurizedandnon-pressurizedheatingappliancesintendedtobefiredwithwoodorautomaticallyfedbiomassfuels.Theseproductsarehydronicheatingapplianceswhichthemanufacturerspecifiesforoutdoorinstallationorinstructuresnotnormallyoccupiedbyhumans.Theyareoftenconnectedtoanindoorheatexchangerbyinsulatedpipesburiedinthegroundandnormallyincludeapumptocirculateheatedliquid.Theyareusedtoheatstructuressuchashomes,barns,andgreenhousesandcanheatdomestichotwater,spas,orswimmingpools.1.5Distinguishingfeaturesofproductscoveredbythisstandardinclude:1.5.1Manufacturersspecifyoutdoorinstallationorinstallationinstructuresnotnormallyoccupiedbyhumans.1.5.2Afireboxwithanaccessdoorforhandloadingoffuelorahopperandautomatedfeedsystemfordeliveryofparticulatefuelsuchaswoodpelletsorsolidbiomassfueltoaburnpotorcombustionchamber.1.5.3Typicallyathermostaticcontroldevicethatcontrolscombustionairsupplyorfueldelivery,orboth,tomaintaintheliquidintheappliancewithinapredeterminedtemperaturerangeprovidedsufficientfuelisavailableinthefireboxorhopper.1.5.4Achimneyorventthatexhaustscombustionproductsfromtheappliance.1.6Thevaluesstatedaretoberegardedasthestandardwhetherininch-poundorSIunits.Thevaluesgiveninparenthesesareforinformationonly.【英文标准名称】:Industrial-processcontrolvalves;part5:marking
【原文标准名称】:工业过程控制阀.第5部分:标记
【标准号】:DINIEC60534-5-1984
【标准状态】:作废
【国别】:德国
【发布日期】:1984-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸选定;电气工程;流量率;标记;方向控制阀;符号;控制装置;识别方法;控制阀;阀门;过程测量和控制技术;作标记;过程控制;流量;定义
【英文主题词】:symbols;flowrates;controlvalves;marking;dimensioning;controldevices;processcontrol;identificationmethods;marks;valves;direction-controlvalves;electricalengineering;flowcapacity;processmeasuri
【摘要】:
【中国标准分类号】:N16;J20
【国际标准分类号】:23_060_40
【页数】:4P;A4
【正文语种】:德语
