BS EN ISO 21415-4-2007 小麦和小麦粉.谷蛋白含量.快干法测定湿谷蛋白中的干谷蛋白
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【英文标准名称】:Wheatandwheatflour-Glutencontent-Determinationofdryglutenfromwetglutenbyarapiddryingmethod
【原文标准名称】:小麦和小麦粉.谷蛋白含量.快干法测定湿谷蛋白中的干谷蛋白
【标准号】:BSENISO21415-4-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-04-30
【实施或试行日期】:2007-04-30
【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】:农产品;谷物产品;化学分析和试验;定义;含量测定;干燥;作物粉;食品;谷蛋白;实验室间试验;快速方法;试验性能;湿的;小麦
【英文主题词】:Agriculturalproducts;Cerealproducts;Chemicalanalysisandtesting;Definitions;Determinationofcontent;Drying;Flour;Foodproducts;Gluten;Inter-laboratorytests;Rapidmethod;Testperformance;Wet;Wheat
【摘要】:DieserTeilderISO21415legteinSchnellverfahrenf?rdieBestimmungdesTrockenglutengehaltesausFeuchtglutenfest,dasentwedernachISO21415-1odernachISO21415-2erhaltenwurde.DasVerfahrenkannauchangewendetwerden,umdenFeuchtigkeitsgehaltdesFeuchtglutenszubestimmen.
【中国标准分类号】:B22
【国际标准分类号】:67_060
【页数】:16P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforVolumetricandMassFlowRateMeasurementinaDuctUsingTracerGasDilution
【原文标准名称】:用示踪气体稀释法测量管道中体积和质量流量率的标准试验方法
【标准号】:ASTME2029-1999(2004)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:E06.41
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:容积流量测量;流量率;流量率;竖管;示踪法;物流;管道;示踪气体;污染控制;运河;测量体积流量
【英文主题词】:ducts;flowrate;massflow;stacks;volumetricflow;tracergas
【摘要】:Themethodpresentedhereisafieldmethodthatmaybeusedtodeterminemassandvolumeflowratesinductswhereflowconditionsmaybeirregularandnonuniform.Thegasflowingintheductisconsideredtobeanidealgas.Themethodmaybeespeciallyusefulinthoselocationswhereconventionalpitottubeorthermalanemometervelocitymeasurementsaredifficultorinappropriatedueeithertoverylowaverageflowvelocityorthelackofasuitablerunofductupstreamanddownstreamofthemeasurementlocation.Thistestmethodcanproducethevolumetricflowrateatstandardconditionswithouttheneedtodeterminegasstreamcomposition,temperature,andwatervaporcontent.ThistestmethodisusefulfordeterminingmassorvolumetricflowratesinHVACducts,fumehoods,ventstacks,andminetunnels,aswellasinperformingmodelstudiesofpollutioncontroldevices.Thistestmethodisbasedonfirstprinciples(conservationofmass)anddoesnotrequireengineeringassumptions.Thistestmethoddoesnotrequirethemeasurementoftheareaoftheductorstack.Thetestmethoddoesnotrequireflowstraightening.Thetestmethodisindependentofflowconditions,suchasangle,swirl,turbulence,reversals,andhence,doesnotrequireflowstraightening.Thedryvolumetricairflowcanbedeterminedbydryingtheairsampleswithoutmeasuringthewatervaporconcentration.1.1Thistestmethoddescribesthemeasurementofthevolumetricandmassflowrateofagasstreamwithinaduct,stack,pipe,minetunnel,orflueusingatracergasdilutiontechnique.Foreditorialconvenienceallreferencesinthetextwillbetoaduct,butitshouldbeunderstoodthatthiscouldreferequallywelltoastack,pipe,minetunnel,orflue.Thistestmethodislimitedtothoseapplicationswherethegasstreamandthetracergascanbetreatedasidealgasesattheconditionsofthemeasurement.Inthistestmethod,thegasstreamwillbereferredasair,thoughitcouldbeanyothergasthatexhibitsidealgaslawbehavior.1.2Thistestmethodisnotrestrictedtoanyparticulartracergasalthoughexperimentalexperiencehasshownthatcertaingasesareusedmorereadilythanothersassuitabletracergases.Itispreferablethatthetracergasnotbeanaturalcomponentofthegasstream.1.3Useofthistestmethodrequiresaknowledgeoftheprinciplesofgasanalysisandinstrumentation.Correctuseoftheformulaspresentedhererequiresconsistentuseofunits.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection7.
【中国标准分类号】:A42
【国际标准分类号】:13_040_01
【页数】:10P.;A4
【正文语种】:
【英文标准名称】:
【原文标准名称】:NFE29-135-1973的修改件1
【标准号】:NFE29-135/A1-1987
【标准状态】:作废
【国别】:法国
【发布日期】:1987-12-01
【实施或试行日期】:1987-12-28
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:J16
【国际标准分类号】:
【页数】:1P.;A4
【正文语种】:其他
