【英文标准名称】:StandardGuideforSelectionofWeirsandFlumesforOpen-ChannelFlowMeasurementofWater
【原文标准名称】:用于明渠水流量测量的溢流堰和斜槽的选择的标准导则
【标准号】:ASTMD5640-1995(2003)
【标准状态】:现行
【国别】:
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D19.07
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:溢流堰;水;明渠流量;斜槽;废水;排水量;处理;导则;废水试验;流量和流速;选择导则;明渠水流量测量;明渠水流量测量;溢流堰的选择
【英文主题词】:flumes;open-channelflow;waterdischarge;weirs
【摘要】:Eachtypeofweirandflumepossessesadvantagesanddisadvantagesrelativetotheothertypeswhenitisconsideredforaspecificapplication;consequently,theselectionprocessofteninvolvesreachingacompromiseamongseveralfeatures.Thisguideisintendedtoassisttheuserinmakingaselectionthatishydraulically,structurally,andeconomicallyappropriateforthepurpose.Itisrecognizedthatnotallopen-channelsituationsareamenabletoflowmeasurementbyweirsandflumesandthatinsomecases,particularlyinlargestreams,dischargesmaybestbedeterminedbyothermeans.(See6.2.2.)1.1Thisguidecoversrecommendationsfortheselectionofweirsandflumesforthemeasurementofthevolumetricflowrateofwaterandwastewaterinopenchannelsunderavarietyoffieldconditions.1.2ThisguideemphasizestheweirsandflumesforwhichASTMstandardsareavailable,namely,thin-plateweirs,broad-crestedweirs,Parshallflumes,andPalmer-Bowlus(andotherlong-throated)flumes.However,referenceisalsomadetoothermeasurementdevicesandmethodsthatmaybeusefulinspecificsituations.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:
【页数】:7P.;A4
【正文语种】:


【英文标准名称】:Blindsandshutters-Thermalandvisualcomfort-Testandcalculationmethods
【原文标准名称】:遮帘和百叶窗.温度和视觉舒适性.试验和计算方法
【标准号】:BSEN14500-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-06-30
【实施或试行日期】:2008-06-30
【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】:遮阳篷;特性;遮帘;舒适;建筑;定义;门;端接;光传输;数学计算;测量技术;计算方法;参数;性能;保护设备;反射;滚动遮板;遮板;遮阳装置;测试;热防护;热应力;透射率;透明度;软百叶帘;视觉的;视觉防护;气候防护系统;窗
【英文主题词】:Awnings;Behaviour;Blinds;Comfort;Construction;Definition;Definitions;Doors;Endings;Lighttransmission;Mathematicalcalculations;Measuringtechniques;Methodsofcalculation;Parameters;Properties;Protectiondevices;Reflection;Rollershutters;Shutters(buildings);Sunshading;Testing;Thermalprotection;Thermalstress;Transmittance;Transmittances;Transparency;Venetianblinds;Visual;Visualprotection;Weatherprotectionsystems;Windows
【摘要】:ThisEuropeanStandarddefinestestandcalculationmethodsforthedeterminationofthereflectionandtransmissioncharacteristicstobeusedtodeterminethethermalandvisualcomfortperformanceclassesofexternalblinds,internalblindsandshutters,asspecifiedinEN14501.ThisEuropeanStandardalsospecifiesthemethodtodetermineopacitycharacteristicsofdim-out/black-outexternalblinds,internalblindsandshutters,asspecifiedinEN14501.ThisEuropeanStandardappliestothewholerangeofshutters,awningsandblindsdefinedinEN12216,describedassolarprotectiondevicesinthisEuropeanStandard.Someofthecharacteristics(e.g.gtot)arenotapplicablewhenproductsarenotparalleltotheglazing(e.g.folding-armawnings).NOTEInformativeAnnexDpresentsanapproachforthedeterminationofcharacteristicsincaseofprojectableproducts.ProductsusingfluorescentorretroreflectingmaterialsareoutsidethescopeofthisEuropeanStandard.
【中国标准分类号】:Q70
【国际标准分类号】:91_060_50
【页数】:60P.;A4
【正文语种】:英语