EN ISO 7439-2011 含铜的子宫内避孕器具.要求和试验(ISO7439-2011);德文版本ENISO7439-2011
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来源:标准资料网
【英文标准名称】:Copper-bearingcontraceptiveintrauterinedevices-Requirementsandtests(ISO7439:2011);GermanversionENISO7439:2011
【原文标准名称】:含铜的子宫内避孕器具.要求和试验(ISO7439-2011);德文版本ENISO7439-2011
【标准号】:ENISO7439-2011
【标准状态】:现行
【国别】:
【发布日期】:2011-09
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Birthcontrol;Characteristics;Clinicaltesting;Consumerinformation;Contraception;Contraceptivedevices;Contraceptives;Coppercontent;Copper-bearing;Dataofthemanufacturer;Definitions;Design;Dimensions;Disposable;Disposables;Equipmentforsingleuse;Evaluations;Information;Instructionsforuse;Intra-uterinedevices;Materials;Medicaldevices;Medicalproducts;Pessaries;Plastics;Properties;Specification(approval);Specifications;Tensilestrength;Testing;Userinformation;Viscoelasticity
【摘要】:
【中国标准分类号】:C63
【国际标准分类号】:11_200
【页数】:22P.;A4
【正文语种】:英语
基本信息
标准名称: | 3DG103型NPN硅外延平面高频小功率三极管 |
英文名称: | Detail specification for silicon NPN epitaxial planar high frequency low power transistors Type 3DG103 |
中标分类: |
电子元器件与信息技术 >>
半导体分立器件 >>
半导体三极管 |
发布部门: | 中华人民共和国第四机械工业部 |
发布日期: | 1974-10-01 |
实施日期: | 1974-10-01 |
首发日期: | |
作废日期: | 2010-01-20 |
出版社: | 中国电子工业出版社 |
出版日期: | 1974-10-01 |
页数: | 8页 |
适用范围
本标准适用于3DG103硅NPN平面型高频小功率半导体三极管。该产品用于电子设备的高频放大和振荡电路中。
前言
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目录
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引用标准
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所属分类: 电子元器件与信息技术 半导体分立器件 半导体三极管
【英文标准名称】:Power-OperatedPumpsforAnhydrousAmmoniaandLP-Gas
【原文标准名称】:用于液化石油气和无水氨的动力操作泵
【标准号】:ANSI/UL51-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:氨;设计;电泵;搬运;液化石油气;液氨;抽油装置;泵;储存;运输
【英文主题词】:Ammonia;Design;Electricalpumps;Handling;Liquefiedpetroleumgas;Liquidammonia;Pumpinginstallation;Pumps;Storage;Transport
【摘要】:Coverspower-operatedpumpsforanhydrousammoniaandliquefiedpetroleumgas(LP-Gas)foruseinliquidtransferoperationsinnonrefrigeratedsystemsininstallationscoveredbythefollowingStandards:SafetyRequirementsfortheStorageandHandlingofAnhydrousAmmonia,ANSI/K61.1.StorageandHandlingofLiquefiedPetroleumGases,ANSI/NFPANo.58.SUMMARYOFCHANGESTOUL51UL51wasoriginallylistedforcommentintheFebruary16,1996issueofStandardsAction.Onlytherevisedtextoutlinedbelowisbeingresubmittedduetosubstantivechangesinthetext.Therevisionsinclude:changesbasedonthereplacementoftheMercurousNitrateImmersionTestwitha10-DayMoistAmmoniaAirStressCrackingTest;changesduetothereplacementoftheoxygenbombtestwiththeair-ovenagingtest;reinstatementofrequirementsforproductiontests.(Revised)5.11Apartmadeofdrawnbrassormachinedfrombrassrodshallbecapableofwithstanding,withoutcracking,the10-DayMoistAmmoniaAirStressCrackingTest,Section19A.(DeletedSection)19Mercurous-NitrateImmersionTest(Added)19A10-DayMoistAmmoniaAirStressCrackingTest19A.1Afterbeingsubjectedtotheconditionsdescribedin19A.2C19A.4,abrasspartcontainingmorethan15percentzincshallshownoevidenceofcrackingwhenexaminedusing25Xmagnification.19A.2Eachsampleistobesubjectedtothephysicalstressesnormallyimposedonorwithinapartastheresultofassemblywithothercomponents.Suchstressesaretobeappliedtothesamplepriortoandmaintainedduringthetest.Sampleswiththreads,intendedtobeusedforinstallingtheproductinthefield,aretohavethethreadsengagedandtightenedtothetorquespecifiedinTable14.1.Teflontapeorpipecompoundisnottobeusedonthethreads.19A.3Threesamplesaretobedegreasedandthencontinuouslyexposedinasetpositionfortendaystoamoistammonia-airmixturemaintainedinaglasschamberapproximately12by12by12inches(305by305by305mm)havingaglasscover.19A.4Approximately600mlofaqueousammoniahavingaspecificgravityof0.94istobemaintainedatthebottomoftheglasschamberbelowthesamples.Thesamplesaretobepositioned1-1/2inches(38.1mm)abovetheaqueousammoniasolutionandsupportedbyaninerttray.Themoistammonia-airmixtureinthechamberistobemaintainedatatmosphericpressureandatatemperatureof34"2EC(93"3.5EF).(Revised)20.1.3Apartmadeofsyntheticrubbershallnotcrackorshowvisibleevidenceofdeteriorationfollowingexposurefor70hourstoatemperatureof100"2EC(212"3.5EF)inanair-circulatingoven.(Revised)21.2Eachpumpistobeoperatedanddeterminedtobeinconditionbeforeshipment.
【中国标准分类号】:J71
【国际标准分类号】:23_080
【页数】:
【正文语种】:英语