IEC 61580-2-1996 波导测量方法第2部分:互调电平

作者:标准资料网 时间:2024-05-19 20:29:51   浏览:8715   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Methodsofmeasurementforwaveguides-Part2:Levelofintermodulationproducts
【原文标准名称】:波导测量方法第2部分:互调电平
【标准号】:IEC61580-2-1996
【标准状态】:现行
【国别】:国际
【发布日期】:1996-06
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC46B
【标准类型】:()
【标准水平】:()
【中文主题词】:互相调制;测量技术;波导管;电气工程;导电体;电缆;测量
【英文主题词】:Cables;Electricconductors;Electricalengineering;Intermodulation;Levels;Measurement;Measuringtechniques;Specification(approval);Waveguides
【摘要】:Dealswithintermodulationproductsinwaveguides.Atestprocedureisgiventocharacterisethelevelofunwantedsignalscausedbythepresenceoftwoormoretransmittingsignalsinwaveguidesorwaveguidesassemblies.
【中国标准分类号】:L26
【国际标准分类号】:33_120_10
【页数】:17P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforDeterminingtheVirus-EliminatingEffectivenessofLiquidHygienicHandwashandHandrubAgentsUsingtheFingerpadsofAdultVolunteers
【原文标准名称】:利用成人自愿者试验液体卫生洗手剂的去除病毒有效性的标准试验方法
【标准号】:ASTME1838-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:E35.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:cellculture;cytotoxicity;eluent;fingerpads;germicidalsoap;hygienichandwashing;infectioncontrol;influenzavirus;invivotesting;organicload;poliovirus;rhinovirus;rotavirus;skinflora;standardhardwater;virus;viruselution
【摘要】:Thisinvivoprocedureisdesignedtotesttheabilityofhygienichandwashagentstoreducelevelsofselectedinfectiousvirusesfromexperimentallycontaminatedfingerpadsofadultvolunteers.Sincethetwothumbpadsandalleightfingerpadscanbeusedinanygiventest,itallowsfortheincorporationofinputviruscontrol(two),amountofvirusremainingaftertheinoculumhasbeenallowedtodry(two),viruseliminatedaftertreatmentwithacontrolorreferencesolution(two),anduptofourreplicatestoassessthevirus-eliminatingefficiencyoftheproductundertest.Nomorethan100x03BC;Lofthevirussuspensionarerequiredtocompleteonetest.Theresultsoftestingwiththistestmethodmayformthebasisforconfirmatorytestsusingasuitablewhole-handtestprotocol.Thistestmethodisdesignedtobeperformedbyatrainedindividual,whoisresponsibleforchoosingtheappropriatehostsystemforthetestvirusandapplyingthetechniquesnecessaryforpropagationandmaintenanceofhostandtestvirus.Forareferencetext,refertoSchmidtandEmmons(7).Whereas,thistestmethodrelatestotestingwithvirusesofhumanorigin,itcanbereadilyadaptedtoworkwithbacteria,fungi,protozoaandbacteriophages.Infectiousmicroorganismsleftonhandsafterwashingcanbereducedfurtherbydryingthewashedhandswithpaper,cloth,orwarmair(8).Astepforthedryingoffingerpadsafterexposuretothecontrolortestsolution,therefore,hasnotbeenincludedtoavoidvirusremovalbythedryingprocessitself.Thistestmethodisnotmeantforusewithsurgicalhandscrubsorpreoperativeskinpreps.Theamountofvirusoneachfingerpadafterthedryingoftheinoculumshouldnotbelessthan104infectiousunitsthatwouldpermitthedetectionofuptoa4log10reductionintheinfectivitytiterofthevirusbyagivenproductundertheconditionsofthistestmethod.1.1Humanskindoesnotcarryvirusesasapartofitsresidentflora.Handstransientlycontaminatedwithviruses,however,canactasvehiclesforthespreadofmanytypesofviralinfections.Hygienichandwashingismeanttoreducetheloadofvirusesandothertransientmicroorganismsonhands,therebyreducingtheriskofdiseasetransmission.Suchreductioninthevirusloadmaybeduetoacombinationofvirusinactivationandremovalofinfectiousvirusfromtheskin.1.2Standardtestmethodstoassessthecapacityofhygienichandwashandhandrubagentstoreduceviruslevelsonhandsarenotpresentlyavailable.Thistestmethod,therefore,hasbeendesignedtodeterminethecomparativevirus-eliminatingeffectivenessofgermicidalornon-germicidalformulations.Thistestmethodisnotmeantforusewithsurgicalhandscrubsorpreoperativeskinpreps.Note18212;Thetestmethodshouldbeperformedbypersonswithtraininginvirologyinfacilitiesdesignedandequippedforworkwithinfectiousagentsatbiosafetylevel2(5).1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G73
【国际标准分类号】:11_080_01
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:Basicenvironmentaltestingprocedures.Part2:Tests.TestKa:Saltmist
【原文标准名称】:基本环境试验规程.第2部分:试验.试验Ka:盐雾
【标准号】:IEC60068-2-11Corrigendum1-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-12
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC104
【标准类型】:()
【标准水平】:()
【中文主题词】:环境;试验;电子设备及元件;电气工程;样品;评定;耐力;试验大气;电工产品;盐;腐蚀试验;试验室;雾;盐雾试验;气候试验;环境试验;盐雾;中性盐雾试验;材料试验;试验装置;污染控制;防护覆层;检验;药液
【英文主题词】:electronicequipmentandcomponents;inspection;saltmist;testing;chemicals;electrotechnicalproducts;environment;electricalengineering;saltmisttest;resistance;testchamber;evaluations;protectivecoatings;corrosiontests;specimens;pollutioncontrol;materialstesting;climatictests;testingdevices;testatmospheres;salts;environmentaltesting;salt-spraytests;fog
【摘要】:ThisisTechnicalCorrigendum1toIEC60068-2-11-1981(CorrectionintheFrenchtextonly)
【中国标准分类号】:A21
【国际标准分类号】:19_040
【页数】:
【正文语种】:英语