【英文标准名称】:Acoustics-Noisefromshootingranges-Part1:Determinationofmuzzleblastbymeasurement(ISO17201-1:2005);EnglishversionofDINENISO17201-1
【原文标准名称】:声学.射程内噪声.第1部分:枪口炸震的测定
【标准号】:DINENISO17201-1-2005
【标准状态】:现行
【国别】:德国
【发布日期】:2005-11
【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】:测定;测量;测量技术;定义;声冲击;步枪射程;射击;射程;射击地面;测量不确定度;噪声辐射;声音能量;声音传播;计划;噪声级;超声速度;声压级;磨损量;声学
【英文主题词】:Acousticshocks;Acoustics;Definition;Definitions;Determination;Measurement;Measuringincertainity;Measuringtechniques;Noiseemissions;Noiselevel;Planning;Rifleranges;Shooting;Shootingranges;Shooting-grounds;Soundenergy;Soundpressurelevel;Soundpropagation;Supersonicvelocity;Wear-quantity
【摘要】:ThispartofISO17201specifiesamethodtodeterminetheacousticsourceenergyofthemuzzleblastforcalibresoflessthan20mmorexplosivechargesoflessthan50gTNTequivalent.Itisapplicableatdistanceswherepeakpressureslessthan1kPa(equivalenttoapeaksoundpressurelevelof154dB)areobserved.Thesourceenergy,directivityofthesourceandtheirspectralstructuredeterminedbythisprocedurecanbeusedasinputdatatosoundpropagationprogrammes,enablingpredictionofshootingnoiseintheneighbourhoodofshootingranges.Additionally,thedatacanbeusedtocomparesoundemissionfromdifferenttypesofgunsordifferenttypesofammunitionusedwiththesamegun.ThispartofISO17201isapplicabletogunsusedincivilshootingrangesbutitcanalsobeappliedtomilitaryguns.Itisnotapplicabletotheassessmentofhearingdamageorsoundlevelsinthenon-linearregion.
【中国标准分类号】:Y56;Z32
【国际标准分类号】:17_140_20;95_020;97_220_10
【页数】:45P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 食品中黄曲霉毒素M1和B1的测定方法 |
| 中标分类： |
医药、卫生、劳动保护 >>
卫生 >>
食品卫生 |
| 替代情况： | 被GB/T 5009.24-1996代替 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1985-12-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 4页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 医药 卫生 劳动保护 卫生 食品卫生
【英文标准名称】:StandardTestMethodforDeterminingtheIntegrityofNonreinforcedGeomembraneSeamsProducedUsingThermo-FusionMethods
【原文标准名称】:热溶法测定非增强土工薄膜接缝完整性搭标准试验方法
【标准号】:ASTMD6392-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D35.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Destructivetesting--soil/rock;FPP(flexiblepolypropylene);Geomembranes;HDPE(high-densitypolyethylene);Integritytesting;LLDPE(linearlow-densitypolyethylene);LMDPE(linearmediumdensitypolyethylene);Nonreinforcedgeomembraneseams;Poly(vin
【摘要】:Theuseofgeomembranesasbarriermaterialstorestrictliquidmigrationfromonelocationtoanotherinsoilandrockhascreatedaneedforastandardtestmethodtoevaluatethequalityofgeomembraneseamsproducedbythermo-fusionmethods.Inthecaseofgeomembranes,ithasbecomeevidentthatgeomembraneseamscanexhibitseparationinthefieldundercertainconditions.Althoughthisisanindextypetestmethodusedforqualityassuranceandqualitycontrolpurposes,itisalsointendedtoprovidethequalityassuranceengineerwithsufficientseampeelandsheardatatoevaluateseamquality.Recordingandreportingdata,suchasseparationthatoccursduringthepeeltestandelongationduringthesheartest,willallowthequalityassuranceengineertotakemeasuresnecessarytoensuretherepairofinferiorseamsduringfacilityconstruction,andtherefore,minimizethepotentialforseamseparationinservice.1.1Thistestmethoddescribesdestructivequalitycontrolandqualityassurancetestsusedtodeterminetheintegrityofgeomembraneseamsproducedbythermo-fusionmethods.Thistestmethodpresentstheproceduresusedfordeterminingthequalityofnonbituminousbondedseamssubjectedtobothpeelandsheartests.Thesetestproceduresareintendedfornonreinforcedgeomembranesonly.1.2Thetypesofthermalfieldseamingtechniquesusedtoconstructgeomembraneseamsincludethefollowing.1.2.1HotAir8212;Thistechniqueintroduceshigh-temperatureairorgasbetweentwogeomembranesurfacestofacilitatemelting.Pressureisappliedtothetoporbottomgeomembrane,forcingtogetherthetwosurfacestoformacontinuousbond.1.2.2HotWedge(orKnife)8212;Thistechniquemeltsthetwogeomembranesurfacestobeseamedbyrunningahotmetalwedgebetweenthem.Pressureisappliedtothetoporbottomgeomembrane,orboth,toformacontinuousbond.Someseamsofthiskindaremadewithdualbondtracksseparatedbyanonbondedgap.Theseseamsaresometimesreferredtoasdualhotwedgeseamsordouble-trackseams.1.2.3Extrusion8212;Thistechniqueencompassesextrudingmoltenresinbetweentwogeomembranesorattheedgeoftwooverlappedgeomembranestoeffectacontinuousbond.1.3Thetypesofmaterialscoveredbythistestmethodincludethefollowing.1.3.1VeryLowDensityPolyethylene(VLDPE).1.3.2LinearLowDensityPolyethylene(LLDPE).1.3.3VeryFlexiblePolyethylene(VFPE).1.3.4LinearMediumDensityPolyethylene(LMDPE).1.3.5HighDensityPolyethylene(HDPE).1.3.6PolyvinylChloride(PVC).1.3.7FlexiblePolypropylene(fPP).Note18212;Thepolyethyleneidentifierspresentedin1.3.1-1.3.5describethetypesofmaterialstypicallytestedusingthistestmethod.Theseareindustryacceptedtradedescriptionsandarenottechnicalmaterialclassificationsbaseduponmaterialdensity.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibility......
【中国标准分类号】:Q27
【国际标准分类号】:91_100_50
【页数】:6P.;A4
【正文语种】:英语