ANSI/INCITS/ISO/IEC 23988-2008 信息技术.评估信息传递中信息技术(IT)用实施规则
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【英文标准名称】:Informationtechnology-Acodeofpracticefortheuseofinformationtechnology(IT)inthedeliveryofassessments
【原文标准名称】:信息技术.评估信息传递中信息技术(IT)用实施规则
【标准号】:ANSI/INCITS/ISO/IEC23988-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:计算机应用;计算机辅助;计算机软件;继续培训;数据处理;数据存储;定义;设计;开发;教育;教育机构;评估;考试(教育);构成;继续教育;指导手册;信息;信息技术;保障;质量;质量保证;规范(验收);支撑物;教学设备;测试;工具;培训;工作物质
【英文主题词】:Computerapplications;Computerassistance;Computersoftware;Continuationtraining;Dataprocessing;Datastorage;Definition;Definitions;Design;Developments;Education;Educationalinstitution;Evaluations;Examination(education);Formations;Furthereducation;Guidebooks;Information;Informationtechnology;Provision;Quality;Qualityassurance;Specification(approval);Supports;Teachingequipment;Testing;Tools;Training;Workingsubstances
【摘要】:Growthinthepowerandcapabilitiesofinformationtechnology(IT)hasledtotheincreasinguseofITtodeliver,scoreandrecordresponsesoftestsandassessmentsinawiderangeofeducationalandothercontexts.Suitablyused,ITdeliveryoffersadvantagesofspeedandefficiency,betterfeedbackandimprovementsinvalidityandreliability,butitsincreasedusehasraisedissuesaboutthesecurityandfairnessofIT-deliveredassessments,aswellasresultinginawiderangeofdifferentpractices.
【中国标准分类号】:L70
【国际标准分类号】:35_240_99
【页数】:
【正文语种】:英语
【英文标准名称】:CodeforSafetytoLifefromFireonMerchantVessels
【原文标准名称】:从着火商船逃生的安全规程
【标准号】:ANSI/NFPA301-2008
【标准状态】:作废
【国别】:美国
【发布日期】:2008
【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】:防火安全;海上运输;造船工程;职业安全;安全
【英文主题词】:Firesafety;Marinetransport;Navalengineering;Occupationalsafety;Safety
【摘要】:Thecodeaddressesconstruction,arrangement,protection,andspaceutilizationfactorsthatarenecessarytominimizedangertolifefromfire,smoke,fumes,orpanic.Italsoprovidesforreasonableprotectionagainstpropertydamageandavoidanceofenvironmentaldamageconsistentwiththenormaloperationofvessels.FundamentalrequirementsapplicabletoallvesselsarefoundinChapters1through8.ThesefundamentalrequirementsaremodifiedasapplicableforanytypeofspaceinChapters9through17.TherequirementsinChapters1through17aremodifiedasapplicableforanygivenvesseltypeinChapters18through20.Forexample,apassengervesselwouldfollowtherequirementsofChapter1through17andChapter20.Thecodeidentifiestheminimumcriteriaforthedesignofegressfacilitiessoastopermitpromptescapeofpassengersandcrewtosafeareasaboardvesselsand,wherenecessary,tosurvivalcraftembarkationstations.Thecoderecognizesthatlifesafetyismorethanamatterofegressand,accordingly,dealswithotherconsiderationsthatareessentialtolifesafety.Italsorecognizestheuniqueoperatingenvironmentofmerchantvesselsandtherelationshipsamonglifesafety,propertyprotection,andenvironmentalprotectionanddealswiththeseaccordingly.Wherepermanentlymooredandoccupiedasbuildings,merchantvesselsshallbepermittedtobetreatedasbuildingsandshallbepermittedtobesubjecttotheprovisionsofappropriatebuildingcodesandstandardsasspecifiedbythelocalauthorityhavingjurisdiction.
【中国标准分类号】:C80
【国际标准分类号】:13_220_20;47_040
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingtheCoefficientofSoilandGeosyntheticorGeosyntheticandGeosyntheticFrictionbytheDirectShearMethod
【原文标准名称】:用直接剪力法测定土壤与土工合成物或土工合成物之间摩擦系数的标准试验方法
【标准号】:ASTMD5321-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D35.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:coefficientoffriction;directshear;geosynthetics;performancetest;Coefficientoffriction(COF)--geosynthetics;Directsheartest;Geosynthetics;Interfacesheartesting;Performance--geosynthetics;Sheartesting--geosynthetics;Sheartesting--soil;
【摘要】:Theproceduredescribedinthistestmethodfordeterminationofthecoefficientofsoilandgeosyntheticorgeosyntheticandgeosyntheticfrictionbythedirectshearmethodisintendedasaperformancetesttoprovidetheuserwithasetofdesignvaluesforthetestconditionsexamined.Thetestspecimensandconditions,includingnormalstresses,aregenerallyselectedbytheuser.Thistestmethodmaybeusedforacceptancetestingofcommercialshipmentsofgeosynthetics,butcautionisadvisedasoutlinedbelow.Thecoefficientofsoilandgeosyntheticfrictioncanbeexpressedonlyintermsofthesoilusedintesting(seeNote1andNote2).Thedeterminedvaluemaybeafunctionoftheappliednormalstress,geosyntheticmaterialcharacteristics,soilgradation,soilplasticity,density,moisturecontent,sizeofsample,drainageconditions,displacementrate,magnitudeofdisplacement,andotherparameters.Note18212;Inthecaseofacceptancetestingrequiringtheuseofsoil,theusermustfurnishthesoilsample,soilparameters,anddirectsheartestparameters.Note28212;TestingunderthisstandardshouldbeperformedbylaboratoriesexperiencedinthedirectsheartestingofsoilsandmeetingtherequirementsofPracticeD3740Thistestmethodmeasuresthetotalresistancetoshearbetweenageosyntheticandasupportingmaterial(substratum)orageosyntheticandanoverlyingmaterial(superstratum).Totalslidingresistancemaybeacombinationofsliding,rolling,interlockingofsoilparticlesandgeosyntheticsurfaces,andshearstrainwithinthegeosyntheticspecimen.Shearingresistancemaybedifferentonthetwofacesofageosyntheticandmayvarywithdirectionofshearingrelativetoorientationofthegeosynthetic.Thetestmethoddoesnotdistinguishbetweenindividualmechanisms,whichmaybeafunctionofthesoilused,methodofsoilplacement,normalandshearstressesapplied,rateofhorizontaldisplacement,andotherfactors.Everyeffortshouldbemadetoidentifyandrecordwithasketch,ascloselyasispracticable,theshearedareaandfailuremodeofthespecimen.Careshouldbetaken,includingclosevisualinspectionofthespecimenaftertesting,toensurethatthetestingconditionsarerepresentativeofthosebeinginvestigated.Informationonprecisionbetweenlaboratoriesisincomplete.Incasesofdispute,comparativeteststodeterminewhetherastatisticalbiasexistsbetweenlaboratoriesmaybeadvisable.Thetestmethodproducestestdatathatcanbeusedinthedesignofgeosyntheicapplications,includingbutnotlimitedto:thedesignofgeosynthetic-reinforcedretainingwalls,embankments,andbasecourses;inapplicationsinwhichthegeosyntheticisplacedonaslope;fordeterminationofgeosyntheticoverlaprequirements;orinotherapplicationsinwhichslidingmayoccurbetweensoilandageosyntheticorbetweentwogeosyntheticmaterials.1.1Thistestmethodcoversaprocedurefordeterminingtheshearresistanceofageosyntheticagainstsoil,orageosyntheticagainstanothergeosynthetic,underaconstantrateofdeformation.1.1.1Thetestmethodisintendedtoindicatetheperformanceoftheselectedspecimenbyattemptingtomodelcertainfieldconditions.Resultsobtainedfromthismethodmaybelimitedintheirapplicabilitytothespecificconditionsconsideredinthetesting.1.2Thetestmethodisapplicableforallgeosynthetics.1.3Thetestmethodisnotsuitedforthedevelopmentofexactstress-strainrelationshipsforthetestspecimenduetothenon-uniformdistributionofshearingforcesanddisplacement.1.4ThevaluesstatedinSIunitsaretoberegardedasth......
【中国标准分类号】:P13
【国际标准分类号】:59_080_70
【页数】:7P.;A4
【正文语种】:英语