DIN 66000-1985 信息处理.转换代数、数学标记和符号
时间:2024-05-21 15:51:51 来源: 标准资料网 作者：标准资料网 阅读：9762
【英文标准名称】:Informationprocessing;switchingalgebra,mathematicalsignsandsymbols
【原文标准名称】:信息处理.转换代数、数学标记和符号
【标准号】:DIN66000-1985
【标准状态】:现行
【国别】:德国
【发布日期】:1985-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:符号;信息处理;数学;布尔代数;代数;数据处理;开关函数
【英文主题词】:algebra;dataprocessing;booleanalgebra;symbols;mathematics;informationprocessing;switchingfunctions
【摘要】:ThestandarddealswithsignsandsymbolsforBooleanswitchingfunctions,particularlyfortheconnectionofswitchingvariables,i.e.symbolsfornegation,conjunction,disjunction,NANDoperation,NORoperation,implication,equivalence,non-equivalence.#,,#
【中国标准分类号】:L70;A41
【国际标准分类号】:0170;6980
【页数】:3P;A4
【正文语种】:德语
【英文标准名称】:StandardPracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethodwithMulti-ValuedMeasurands
【原文标准名称】:对带多值被测对象试验方法的精度测定进行的多实验室间研究用标准实施规程
【标准号】:ASTME2480-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:E12.93
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:进行的;实验室法;精密度;试验条件;试验规程;测试
【英文主题词】:precision;repeatability;reproducibility
【摘要】:ASTMregulationsrequireprecisionstatementsforalltestmethodsintermsofrepeatabilityandreproducibility.ThispracticemaybeusedinobtainingtheinformationneededtoprepareaprecisionstatementinaccordancewithPracticeE177andthex201C;BlueBook.x201D;1.1Thispracticedescribesthetechniquesforplanning,conducting,andanalyzingtheresultsofaninterlaboratorystudy(ILS)conductedforcertaintestmethodswithinCommitteeE12.1.2Thispracticedoesnotconcernitselfwiththedevelopmentofthetestmethodbutratherwiththegatheringoftheinformationneededfortheprecisionandbiasstatementafterthecompletionofdevelopmentofthetestmethod.ThedataobtainedintheILSmayindicate,however,thatfurthereffortisneededtoimprovethetestmethod.1.3Thispracticeisconcernedexclusivelywithtestmethodsthatderiveamulti-valuedmeasurand,suchas,butnotlimitedto,spectralreflectance,transmittancefunction,tristimulusvalues,orRGBvalues.Variationinmeasurementsofsuchmulti-valuedmeasurandsareusuallyanalyzedbyreducingthedatatoasingle-valuedparameter,suchascolordifference,E.1.4Thispracticecoversmethodsofdealingwiththenon-normaldistributionofthevariationofsetsofcolor-differences.Thisisdonesothattheusermayderivevalidstatisticsfromsuchnon-normaldistributions.1.5Thispracticedoesnotcovertestmethods,eveninCommitteeE12,whosemeasurandsaresingle-valued,orwhosevariationsareknowntobenormallydistributed.TaskgroupsinvolvedwithsuchtestmethodsarereferredtoPracticeE691whichcontainspreferablemethodsofanalyzingdatawiththoseproperties.1.6Thispracticeisnotintendedtoestablishamethodforestimatingpossiblecolor-differencetolerances.1.7ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A20
【国际标准分类号】:19_020
【页数】:6P.;A4
【正文语种】:
【英文标准名称】:Low-voltagesurgeprotectivedevices-Part11:Surgeprotectivedevicesconnectedtolow-voltagepowersystems-Requirementsandtests(IEC61643-1:1998+corrigendum1998,modified);GermanversionEN61643-11:2002+A11:2007
【原文标准名称】:低压电涌保护装置.第11部分:连接于低压电力系统的电涌保护装置.要求和试验(IEC61643-1-1998+技术勘误-1998,修正版)
【标准号】:DINEN61643-11-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-08
【实施或试行日期】:2007-08-01
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:分类;断路装置;定义;分配网;电气工程;避雷装置;低电压;低压电路;低压设备;输出测定;过电压保护装置;性能;防电击;分离;短路强度;短路试验;规范(验收);电涌放电器;过电压保护;试验类别;测试;电压保护
【英文主题词】:Classification;Cut-outdevices;Definition;Definitions;Distributionnetworks;Electricalengineering;Lightningprotection;Lowvoltage;Low-voltagecircuit;Low-voltageequipment;Outputdetermination;Overvoltageprotection;Performance;Protectionagainstelectricshocks;Separation;Short-circuitstrength;Shortingtests;Specification(approval);Surgearresters;Surgeprotection;Testcategories;Testing;Voltageprotection
【摘要】:
【中国标准分类号】:K31
【国际标准分类号】:29_120_50
【页数】:85P.;A4
【正文语种】:德语