BS EN ISO 389-6-2007 声学.测听设备校准用基准零点.短时持续试验信号用参考扩音阀

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【英文标准名称】:Acoustics-Referencezeroforthecalibrationofaudiometricequipment-Referencethresholdofhearingfortestsignalsofshortduration
【原文标准名称】:声学.测听设备校准用基准零点.短时持续试验信号用参考扩音阀
【标准号】:BSENISO389-6-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-08-31
【实施或试行日期】:2007-08-31
【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】:声学;空气管;听力计;听力测定;听觉阈;校正;定义;电气工程;参考级;短期测量;信号;模拟;声压级;试验信号;扩音值;变压器
【英文主题词】:Acoustics;Airtubes;Audiometers;Audiometry;Auditorythreshold;Calibration;Definitions;Electricalengineering;Referencelevels;Short-termmeasurement;Signals;Simulation;Soundpressurelevel;Testsignals;Thresholdvalue;Transformers
【摘要】:ThispartofISO389specifiesreferencehearingthresholdlevelsfortestssignalsofshortdurationapplicabletothecalibrationofaudiometricequipmentwheresuchsignalsareused.
【中国标准分类号】:L31
【国际标准分类号】:13_140
【页数】:18P.;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodforLeadandCadmiumExtractedfromtheLipandRimAreaofGlassTumblersExternallyDecoratedwithCeramicGlassEnamels
【原文标准名称】:外表用陶瓷玻璃釉装饰的玻璃酒杯杯口及外缘析出铅和镉的标准试验方法
【标准号】:ASTMC927-1980(2004)
【标准状态】:现行
【国别】:
【发布日期】:1980
【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】:C14.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:危险物质;铅;保健;试验;镉;上釉陶瓷制品;边缘;洗池;瓷漆;陶瓷;玻璃
【英文主题词】:atomicabsorption;cadmium;ceramicglassenamels;glaze;heavymetals;lead
【摘要】:Theheavymetals,leadandcadmium,areknowntocauseserioushealtheffectsinmanifconsumedinexcess.Itis,therefore,importanttomeasuretheamountthatmaybeextractedfromanareaoftheglassdrinkingvesselincontactwiththelip.Eventhoughtheamountofleadandcadmiumextractedbythistestmethodisinnowayrepresentativeoftheamountofthemetalsextractedbyactuallipcontact,therelativemagnitudeofmetalsextractedfromonetestspecimeninrelationtoanothertestspecimenprovidesaneffectivetoolfordiscrimination.1.1Thistestmethodcoversthedeterminationofleadandcadmiumextractedbyaceticacidfromthelipandrimareaofglasswareusedfordrinkingandwhichisexteriorlydecoratedwithceramicglassenamels.Theprocedureofextractionmaybeexpectedtoacceleratethereleaseofleadandcadmiumfromthedecoratedareaandtoserve,therefore,asaseveretestthatisunlikelytobematchedundertheactualconditionsofusageofsuchglassware.Thistestmethodisspecificforleadandcadmium.Note1ForadditionalinformationseeTestMethodC738.1.2Thevaluesstatedinacceptablemetricunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcernsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y22
【国际标准分类号】:67_250;97_040_60
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Firebehaviourofbuildingmaterialsandbuildingcomponents;roofcoverings;terminology,requirementsandtesting
【原文标准名称】:建筑材料和构件的耐燃性能.屋顶.概念.要求和检验
【标准号】:DIN4102T.7-1977
【标准状态】:作废
【国别】:
【发布日期】:
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:P16
【国际标准分类号】:
【页数】:
【正文语种】: