SJ 1875-1981 气体激光器输出功率的测试方法

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基本信息
标准名称:气体激光器输出功率的测试方法
英文名称:Methods of measurement for output power of gas laser devices
中标分类: 农业、林业 >> 农业、林业综合 >> 技术管理
发布日期:1981-11-23
实施日期:1982-06-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:1页
适用范围

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前言

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目录

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引用标准

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所属分类: 农业 林业 农业 林业综合 技术管理
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【英文标准名称】:Ophthalmicimplants.Intraocularlenses.Fundamentalrequirements
【原文标准名称】:眼内植入物.隐形眼镜.基本要求
【标准号】:BSENISO11979-8-2009+A1-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2009-05-31
【实施或试行日期】:2009-05-31
【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】:
【英文主题词】:Biocompatibility;Clinical;Clinicalinvestigations;Clinicaltesting;Documentations;Durability;Humanmedicine;Implants(surgical);Information;Instruments;Intraocularlenses;Lenses;Marking;Materials;Mechanicalproperties;Medicaldevices;Medicalproducts;Ophthalmicoptics;Ophthalmology;Opticalproperties;Optics;Packages;Performance;Production;Safety;Specification(approval);Sterilization(hygiene);Surgicalimplants;Testing
【摘要】:ThispartofISO11979specifiesfundamentalrequirementsforalltypesofintraocularlensesintendedforsurgicalimplantationintotheanteriorsegmentofthehumaneye,excludingcornealimplantsandtransplants.
【中国标准分类号】:Y89
【国际标准分类号】:11_040_70
【页数】:12P.;A4
【正文语种】:英语


【英文标准名称】:StandardGuideforOn-LineMonitoringofCorrosioninPlantEquipment(ElectricalandElectrochemicalMethods)
【原文标准名称】:工厂设备中腐蚀性的在监视
【标准号】:ASTMG96-1990(2001)e1
【标准状态】:现行
【国别】:
【发布日期】:1990
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:G01.11
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:腐蚀;设备;说明书;种植;监督(认可)
【英文主题词】:corrosionmonitoringinplantequipment;electricalresistancemethodofcorrosionmeasurement;on-linecorrosionmonitoring;polarizationresistancemethodofcorrosionmeasurement;
【摘要】:Generalcorrosionischaracterizedbyareasofgreaterorlesserattack,throughouttheplant,ataparticularlocation,orevenonaparticularprobe.Therefore,theestimationofcorrosionrateaswithmasslosscouponsinvolvesanaveragingacrossthesurfaceoftheprobe.Allowancemustbemadeforthefactthatareasofgreaterorlesserpenetrationusuallyexistonthesurface.Visualinspectionoftheprobeelement,coupon,orelectrodeisrequiredtodeterminethedegreeofinterferenceinthemeasurementcausedbysuchvariability.Thisvariabilityislesscriticalwhererelativechangesincorrosionratearetobedetected.BothelectricaltestmethodsdescribedinthisguideprovideatechniquefordeterminingcorrosionrateswithouttheneedtophysicallyenterthesystemtowithdrawcouponsasrequiredbythemethodsdescribedinGuideG4.TestMethodBhastheadditionaladvantageofprovidingcorrosionratemeasurementwithinminutes.Thesetechniquesareusefulinsystemswhereprocessupsetsorotherproblemscancreatecorrosiveconditions.Anearlywarningofcorrosiveattackcanpermitremedialactionbeforesignificantdamageoccurstoprocessequipment.Thesetechniquesarealsousefulwhereinhibitoradditionsareusedtocontrolthecorrosionofequipment.Theindicationofanincreasingcorrosionratecanbeusedtosignaltheneedforadditionalinhibitor.Controlofcorrosioninprocessequipmentrequiresaknowledgeoftherateofattackonanongoingbasis.Thesetestmethodscanbeusedtoprovidesuchinformationindigitalformateasilytransferredtocomputersforanalysis.TESTMETHODAx2014;ELECTRICALRESISTANCE(1-6)4Top1.1Thisguideoutlinestheprocedureforconductingon-linecorrosionmonitoringofmetalsinplantequipmentunderoperatingconditionsbytheuseofelectricalorelectrochemicalmethods.Withinthelimitationsdescribed,thesetestmethodscanbeusedtodeterminecumulativemetallossorinstantaneouscorrosionrate,intermittentlyoronacontinuousbasis,withoutremovalofthemonitoringprobesfromtheplant.1.2Thefollowingtestmethodsareincluded:TestMethodAforelectricalresistance,andTestMethodBforpolarizationresistance.1.2.1TestMethodAprovidesinformationoncumulativemetalloss,andcorrosionrateisinferred.ThistestmethodrespondstotheremainingmetalthicknessexceptasdescribedinSection5.1.2.2MethodBisbasedonelectrochemicalmeasurementsfordeterminationofinstantaneouscorrosionratebutmayrequirecalibrationwithothertechniquestoobtaintruecorrosionrates.Itsprimaryvalueistherapiddetectionofchangesinthecorrosionratethatmaybeindicativeofundesirablechangesintheprocessenvironment.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionarystatementsaregivenin5.6.
【中国标准分类号】:A29
【国际标准分类号】:77_060
【页数】:10P.;A4
【正文语种】: