ASTM D4753-2007 评定、选择和规范土壤、岩石和结构材料测试用天平和标准砝码的标准指南

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【英文标准名称】:StandardGuideforEvaluating,Selecting,andSpecifyingBalancesandStandardMassesforUseinSoil,Rock,andConstructionMaterialsTesting
【原文标准名称】:评定、选择和规范土壤、岩石和结构材料测试用天平和标准砝码的标准指南
【标准号】:ASTMD4753-2007
【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】:D18.91
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:砌块(建筑物);建筑;施工材料;评定;仪表刻度;天然石料;岩石;选择;土壤;石;测试
【英文主题词】:balance;scale;standardmasses
【摘要】:Thisguideprovidesthoseusingstandardsrelatedtosoil,rock,andrelatedconstructionmaterials,withameansforselectingthebalancerequiredforaparticularstandard.Thisguideprovidesthosewritingstandardspertainingtosoil,rock,andrelatedconstructionmaterialswithameansforspecifyingthebalancecapabilitiesrequiredforaparticularstandardandfordescribingthebalanceselectedinauniformfashion.Thisguideprovidesagenciesconductingsoil,rock,andrelatedconstructionmaterials,testingwithguidanceforselectingandevaluatinggeneralpurposebalancesandstandardmasses.Thisguideprovidesinspectionorganizationswithcriteriaforevaluatinggeneralpurposebalancesandstandardmasses.1.1Thisguideprovidesminimumrequirementsforgeneral-purposescales,balances,andstandardmassesusedintestingsoil,rock,andrelatedconstructionmaterials.1.2Thisguideprovidesguidanceforevaluating,selecting,andspecifyinggeneralpurposescales,balances,andstandardmassesusedintestingsoil,rock,andrelatedconstructionmaterials.1.3Theaccuracyrequirementsforbalancesandscalesarespecifiedintermsofthecombinedeffectofallsourcesoferrorcontributingtooverallbalanceperformance.Themeasurementofspecificsourcesoferrorandconsiderationofdetailspertainingtobalanceconstructionhavebeenintentionallyavoided.1.4Thisguidedoesnotincluderequirementsforbalancesandscaleshavingaccuraciesgreaterthanthosegenerallyrequiredintestingsoil,rock,andrelatedconstructionmaterialsorforresearchprogramsorspecializedtestingrequirements.1.5Thisguidedoesnotapplytonongraduatedbalances.1.6Thisguidedoesnotaddressthemethodsusedtoverifyorquantifyspecificparametersdealingwithbalancesandscales.Foradescriptionoftestsusedinevaluatingbalanceperformance,seeNISTHandbook44.1.7Thisguideisnotintendedtobeusedasaspecificationforthepurchaseofbalancesandscales.Note1TheNationalInstituteofStandardsandTechnology(NIST),formerlytheNationalBureauofStandards(NBS),andtheInternationalOrganizationofLegalMetrology(OIML)publishstandardsorpracticesthatspecifyconstructionrequirementsaswellasperformanceguidesforbalances.ASTM,OIML,andNISTpublishconstructionstandardsandtolerancesforstandardmasses.Note2Theterms"mass"and"determinethemassof"areusedinthisstandardinsteadofthemorecommonlyusedterms"weight"and"weigh"tocomplywithstandardmetricpractice.Inaddition,theterm"standardmass(es)"isusedinsteadofstandard"standardweight(s)"whenreferringtoapieceofmaterialofknownspecifiedmassusedtocompareormeasurethemassofothermasses.1.8Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgement.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudgednorshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Theword"Standard"inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.
【中国标准分类号】:N13
【国际标准分类号】:17_060
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:DrivingComponents;FlangedBearings,Fastenedwith4Screws
【原文标准名称】:传动元件.用四个螺钉紧固的法兰轴承
【标准号】:DIN503-1946
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:


MIL-H-24460B, MILITARY SPECIFICATION: HARNESS, SAFETY; AND LANYARDS, SAFETY AND WORKING (28 DEC 1988) [S/S BY ANSI-Z359.1]., This specification covers the requirements for a safety harness and safety and working lanyards for use in hazardous fall operations on board surface ships, submarines, and ashore.