GB 4034-1983 机械闹钟
作者:标准资料网 时间:2024-05-17 14:12:00 浏览:9458
来源:标准资料网
基本信息
标准名称: | 机械闹钟 |
中标分类: |
轻工、文化与生活用品 >>
钟表、自行车、缝纫机 >>
钟表 |
替代情况: | 调整为QB 1535-1992 |
发布日期: | |
实施日期: | 1984-09-01 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 5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: 轻工 文化与生活用品 钟表 自行车 缝纫机 钟表
【英文标准名称】:StandardGuideforSelectionofSimulationApproachesinGeostatisticalSiteInvestigations
【原文标准名称】:地质现场调查中模拟近似法选择的标准指南
【标准号】:ASTMD5924-1996(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:D18.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:estimation;geostatistics;kriging;simulation;Geostatisticalsiteinvestigation;Geologicalinvestigations;Krigingmethods;Simulationtesting;Siteidentification/investigation/selection
【摘要】:Thisguideisintendedtoencourageconsistencyandthoroughnessintheapplicationofgeostatisticalsimulationtoenvironmental,geotechnical,andhydrogeologicalsiteinvestigations.Thisguidemaybeusedtoassistthoseperformingasimulationstudyorasanexplanationofproceduresforqualifiednonparticipantswhomaybereviewingorauditingthestudy.ThisguideshouldbeusedinconjunctionwithGuidesD5549,D5922,andD5923.Thisguidedescribesconditionsforwhichsimulationorparticularsimulationapproachesarerecommended.However,theseapproachesarenotnecessarilyinappropriateifthestatedconditionsarenotencountered.1.1Thisguidecoverstheconditionsthatdeterminetheselectionofasuitablesimulationapproachforasiteinvestigationproblem.Alternativesimulationapproachesconsideredhereareconditionalandnonconditional,indicatorandGaussian,singleandmultiplerealization,point,andblock.1.2Thisguidedescribestheconditionsforwhichtheuseofsimulationisanappropriatealternativetotheuseofestimationingeostatisticalsiteinvestigations.1.3Thisguidedoesnotdiscussthebasicprinciplesofgeostatistics.IntroductionstogeostatisticsmaybefoundinnumeroustextsincludingRefs(1-3).1.4Thisguideisconcernedwithgeneralsimulationapproachesonlyanddoesnotdiscussparticularsimulationalgorithmscurrentlyinuse.ThesearedescribedinRefs(4-6).1.5Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Thewordx201C;Standardx201D;inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.
【中国标准分类号】:P13
【国际标准分类号】:07_060
【页数】:3P.;A4
【正文语种】:英语
【英文标准名称】:Electricalsafetyinlowvoltagedistributionsystemsupto1000Va.c.and1500Vd.c.-Equipmentfortesting,measuringormonitoringofprotectivemeasures-Part11:Effectivenessofresidualcurrentmonitors(RCMs)typeAandtypeBinTT,TNandIT
【原文标准名称】:交流1000V和直流1500V以下低压配电系统中的电气安全性.防护措施的试验、测量或监控设备.第11部分:TT、TN和IT系统中A型和B型的剩余电流监控器(RCMs)有效性
【标准号】:IEC61557-11-2009
【标准状态】:现行
【国别】:国际
【发布日期】:2009-01
【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/TC85
【标准类型】:()
【标准水平】:()
【中文主题词】:控制仪器;定义;差分电流;电气工程;电气设备;电气装置;电气安全;电气试验;故障电流;铭刻;额定电压装置;IT系统;低电压;低压电源;低压设备;测量设备;监控;监视装置;规范(验收);试验设备;试验;TN系统;TT系统
【英文主题词】:Controlinstruments;Definitions;Differentialcurrents;Electricalengineering;Electricalequipment;Electricalinstallations;Electricalsafety;Electricaltesting;Faultcurrents;Inscription;Installationsforratedvoltages;ITsystems;Lowvoltage;Lowvoltagemains;Low-voltageinstallations;Measuringequipment;Monitoring;Monitoringdevice;Specification(approval);Testequipment;Testing;TNsystems;TTsystems
【摘要】:
【中国标准分类号】:K09
【国际标准分类号】:17_220_20
【页数】:41P;A4
【正文语种】:英语