本标准涵盖了半导体热电致冷器件多项可靠性测试。包括导线拉力测试,需施加不同方向静负荷并检查引出线;高温存储测试在特定温度下持续一定时间并测试内阻变化;恒定湿热测试于恒温恒湿环境进行;还有电致冷致热交变、耐压力、机械振动等测试,每项测试都有对应的设备、环境、试样制备、步骤及结果评估要求,适用于该器件可靠性测试,确保其在多种条件下性能稳定。Thisstandardcoversmultiplereliabilitytestsforsemiconductorthermoelectriccooling(TEC)devices.Itincludesthewiretensiontest,whichrequiresapplyingstaticloadsindifferentdirectionsandcheckingtheleadwires;thehigh-temperaturestoragetest,whichisconductedataspecifictemperatureforacertainperiodandinvolvestestingtheinternalresistancechange;theconstanttemperatureandhumiditytest,whichiscarriedoutinaconstanttemperatureandhumidityenvironment;aswellastheelectro-coolingandheatingalternatingtest,pressureresistancetest,mechanicalvibrationtest,etc.Eachtesthascorrespondingrequirementsforequipment,environment,samplepreparation,proceduresandresultevaluation,whichisapplicabletothereliabilitytestofthedevicestoensuretheirstableperformanceundervariousconditions.
本标准规定了车载用半导体热电致冷器件的型号命名、工作环境、总体要求等内容。命名由半导体热电制冷器件符号、结构类别等五部分组成。器件按最高工作温度分低温、中温、高温三类,工作环境对温度、湿度等有要求。总体要求涵盖外形尺寸等基本要求及内部元件要求。性能要求包括参数、防护等多方面性能,还规定了试验方法、检验规则及标志、包装等内容,适用于该器件生产与检验。Thisstandardspecifiesthemodelnaming,workingenvironment,andoverallrequirementsforvehicle-mountedsemiconductorthermoelectriccooling(TEC)devices.Thenamingconsistsoffivepartsincludingthesymbolforsemiconductorthermoelectriccoolingdevicesandstructuralcategory.Devicesareclassifiedintolow-temperature,medium-temperature,andhigh-temperaturetypesbasedonthemaximumoperatingtemperature,withrequirementsfortemperature,humidity,etc.,intheworkingenvironment.Theoverallrequirementscoverbasicaspectssuchasexternaldimensionsandinternalcomponents.Performancerequirementsincludemulti-facetedcapabilitieslikeparametersandprotection,andalsospecifytestmethods,inspectionrules,aswellasmarkingandpackaging,applyingtotheproductionandinspectionofsuchdevices.
本标准规定了光通信用微型半导体热电致冷器件的总体要求(含产品型号、环境要求)、技术要求(包括外观、内部验视、性能参数、可靠性、有害元素含量)、试验方法、检验规则(分定型检验、交收检验、例行检验)以及标志、标签、包装、运输和贮存等内容,适用于此类器件的生产与检验。其中,产品型号由8个部分组成,涵盖器件类型、结构类别等信息;技术要求对器件的尺寸、外表面、引出线等外观方面,元件完整性、焊接情况等内部验视方面,以及最大致冷功率、最大致冷温差等性能参数和可靠性、有害元素含量均有明确规定;检验规则明确了不同检验的时机、抽样方案、项目及合格判定标准等。Thisstandardstipulatesthegeneralrequirements(includingproductmodelandenvironmentalrequirements),technicalrequirements(includingappearance,internalinspection,performanceparameters,reliability,andharmfulelementcontent),testmethods,inspectionrules(typeinspection,deliveryinspection,routineinspection),andmarking,labeling,packaging,transportationandstorageofminiaturesemiconductorthermoelectriccoolingdevicesforopticalcommunications,andisapplicabletotheproductionandinspectionofsuchdevices.Amongthem,theproductmodelconsistsof8parts,coveringinformationsuchasdevicetypeandstructurecategory;Thetechnicalrequirementsclearlystipulatetheappearanceofthedevicesuchassize,outersurface,andleadwire,internalinspectionaspectssuchascomponentintegrityandsoldering,aswellasperformanceparametersandreliabilitysuchasmaximumcoolingpowerandmaximumcoolingtemperaturedifference,andthecontentofharmfulelements.Theinspectionrulesclarifythetiming,samplingscheme,itemsandqualificationcriteriafordifferentinspections.
本标准给出了琼脂糖层析介质的产品分类,规定了其基本要求、材料要求、外观要求、性能要求、安全要求、环保要求,以及标志、标签、包装、运输和贮存等内容,适用于以琼脂糖为主要基质的层析介质设计与生产。其中,产品按耐压特性分为交联琼脂糖层析介质和高刚性琼脂糖层析介质;材料方面对乙醇含量、琼脂糖纯度等有明确要求;外观要求介质呈饱满球形、表面光滑等;性能要求涵盖物理性能(如平均粒径、最高流速等)、化学性能(如5-羟甲基糠醛脱落量等)、生物性能(如菌落总数、内毒素含量等);安全要求包括无已知人类病原体、急性经口毒性及重金属限量等;环保要求涉及废弃物处置和污染物排放需符合相关标准;同时还对标志标签、包装运输和贮存条件作出了规定。Thisstandardgivestheproductclassificationofagarosechromatographymedia,andstipulatesitsbasicrequirements,materialrequirements,appearancerequirements,performancerequirements,safetyrequirements,environmentalprotectionrequirements,aswellassigns,labels,packaging,transportationandstorage,etc.,whichissuitableforthedesignandproductionofchromatographymediawithagaroseasthemainmatrix.Amongthem,theproductsaredividedintocross-linkedagarosechromatographymediumandhigh-rigidityagarosechromatographymediumaccordingtothepressureresistancecharacteristics;Intermsofmaterials,thereareclearrequirementsforethanolcontentandagarosepurity;Theappearancerequiresthatthemediumisfullandspherical,andthesurfaceissmooth;Theperformancerequirementsincludephysicalproperties(suchasaverageparticlesize,maximumflowrate,etc.),chemicalproperties(suchastheamountof5-hydroxymethylfurfuralshed,etc.),biologicalproperties(suchastotalnumberofcolonies,endotoxincontent,etc.);Safetyrequirementsincludenoknownhumanpathogens,acuteoraltoxicityandheavymetallimits;Environmentalprotectionrequirementsrelatedtowastedisposalandpollutantdischargemustmeetrelevantstandards;Atthesametime,thereareprovisionsformarking,labeling,packaging,transportandstorageconditions.
本标准规定了建筑施工中桩基检测的仪器设备、检测准备、现场检测、检测结果评价、验证检测与扩大抽检、检测报告编制的要求,适用于建筑工程桩基的检测与评价。仪器设备规定了荷载测量仪器、位移测量仪器、钻具、基桩动测仪等设备的技术要求;检测准备规定了人员培训、调查与资料收集、检测方案制定等检测前准备工作的要求;现场检测规定了施工前、施工中及施工后检测的内容与要求;检测结果评价规定了检测数据分析、桩身完整性类别评定及承载力验收检测结果评价的要求;验证检测与扩大抽检规定了验证检测的方法和扩大抽检的条件及数量的要求;检测报告编制规定了检测报告内容构成和编制的要求。

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