UL 1067-1997 易燃麻醉场所用的导电设备和材料
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来源:标准资料网
【英文标准名称】:Electricallyconductiveequipmentandmaterialsforuseinflammableanesthetizinglocations
【原文标准名称】:易燃麻醉场所用的导电设备和材料
【标准号】:UL1067-1997
【标准状态】:作废
【国别】:美国
【发布日期】:1997-02-03
【实施或试行日期】:
【发布单位】:美国保险商实验所(UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:麻醉设备;安装材料;麻醉学;导电材料;静电充电;呼吸面具;麻醉器具;可燃性环境;电力设备;储气瓶
【英文主题词】:Anaesthesiology;Anaestheticapparatus;Anaestheticequipment;Breathingmasks;Conductivematerials;Electricalinstallations;Electrostaticchargings;Flammableatmospheres;Gascylinders;Mountingmaterials
【摘要】:
【中国标准分类号】:C39
【国际标准分类号】:11_140
【页数】:23P;A4
【正文语种】:英语
【英文标准名称】:Dentalrotaryinstruments;Numbercodingsystem;Part2:ShapeandspecificcharacteristicsBilingualedition
【原文标准名称】:牙科旋转器械数字编码体系第2部分:形状和特性两种语言版
【标准号】:ISO6360-2-1986
【标准状态】:作废
【国别】:国际
【发布日期】:1986-04
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC106
【标准类型】:()
【标准水平】:()
【中文主题词】:数字代码;牙科旋切器;编码;企业编码;术语;附件;特性;特性;定义;设计;形状;多语种的;编码号;英语;法语;编号体系;命名体制;俄语;牙根管器械;牙科器械;名称与符号;编号;数字标志;牙科设备;牙科学
【英文主题词】:
【摘要】:
【中国标准分类号】:C33
【国际标准分类号】:11_060_25
【页数】:78P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforMeasuringRelativeComplexPermittivityandRelativeMagneticPermeabilityofSolidMaterialsatMicrowaveFrequencies
【原文标准名称】:微波频率下固体材料相对复介电常数和磁导率测量标准试验方法
【标准号】:ASTMD5568-2001
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D09.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:电容率;回转磁的
【英文主题词】:coaxialline;dielectricconstant;magneticpermeability;measurement;microwave;millimetre-wave;permittivity;radiofrequency;rectangularwaveguide;scatteringparameter;transmission/reflection
【摘要】:DesigncalculationsforRadioFrequency(RF),microwaveandmillimeter-wavecomponentsrequiretheknowledgeofvaluesofcomplexpermittivityandpermeabilityatoperatingfrequencies.Thistestmethodisusefulforevaluatingbatchtypeorcontinuousproductionofmaterialforuseinelectromagneticapplications.Itmaybeusedtodeterminecomplexpermittivityonlyorbothcomplexpermittivityandpermeabilitysimultaneously.1.1Thistestmethodcoversaprocedurefordeterminingrelativecomplexpermittivity(relativedielectricconstantandlossindex)andrelativemagneticpermeabilityofisotropic,reciprocal(nongyromagnetic)solidmaterials.Ifthematerialisnonmagnetic,thisproceduremaybeusedtomeasurepermittivityonly.1.2Thismeasurementmethodisvalidoverafrequencyrangeofapproximately1MHzto50GHz.Theselimitsarenotexactanddependonthesizeofthespecimen,thesizeandtypeoftransmissionlineusedasaspecimenholder,andontheapplicablefrequencyrangeofthenetworkanalyzerusedtomakemeasurements.Thelowerfrequencyislimitedbythesmallestmeasurablephaseshiftthroughaspecimen,andtheupperfrequencylimitisdeterminedbytheexcitationofhigher-ordermodesthatinvalidatesthedominant-modetransmissionlinemodel.Anynumberofdiscretemeasurementfrequenciesmaybeselectedinthisfrequencyrange.Toachievemaximummeasurementaccuracy,useofdifferenttransmissionlinesizesandtypesmayberequired.Forexample,useofa7-mmdiametercoaxialgeometrycanprovideformeasurementsfrom1MHzto18GHz.However,airgapsthatexistbetweenthespecimenandthetransmissionline'sconductorsintroduceerrorsthatmaynecessitatetheuseofalargerdiametercoaxialtransmissionlineandaseriesofrectangularwaveguidesofdifferentsizetocoverthisfrequencyrange.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42
【国际标准分类号】:17_220_01
【页数】:15P.;A4
【正文语种】:
