ANSI/ASTM F1055-2011 控制外径的聚乙烯管和管路用电熔型聚乙烯配件规格

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【英文标准名称】:StandardTestMethodforMeasuringBaseballBatPerformanceFactor
【原文标准名称】:测量垒球球棒性能因数的标准试验方法
【标准号】:ASTMF1881-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:F08.26
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:baseballbats;baseballs;batperformance;BBCOR;BPF;COR;Baseballequipment/applications;BPF(batperformancefactor);Coefficientofrestitution(COR);Performance--sportsequipment;Sportsequipment
【摘要】:Thistestmethodoffersalaboratorymeanstocomparetherelativeperformancesofbaseballbats.Useofthistestmethodcanprovidesportsgoverningbodiesameanstocomparecalculatedbatted-ballspeedandotherphysicalpropertiesofthebats.1.1Thistestmethoddefinesamethodfordeterminingbatperformancebymeasuringthebat-ballcoefficientofrestitution(BBCOR),derivingthebatperformancefactor(BPF),andcalculatingbatted-ballspeed(BBS).Itisapplicabletobaseballbatsofanyconstructionormaterial.Thetestmethodprovidesaquantitativemeasureofbatdynamicperformancethatmaybeusedforcomparisonpurposes.1.2TheBBCOR,BPF,andBBSareeachcalculatedfrommeasurementstakeninthelaboratoryontestequipmentmeetingtherequirementsdefinedinthistestmethod.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y56
【国际标准分类号】:97_220_40
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:Electricgardeningappliances
【原文标准名称】:电动园艺器具
【标准号】:UL82-2008
【标准状态】:作废
【国别】:美国
【发布日期】:2008-06-13
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:蓄电池供电;作物管理;电器;电动工具;电气设备;电气工程;电气安全;电驱动装置;设备安全;园艺;园艺机具;草坪耕作机具;草坪边缘切割机;割草机;电动的;防电击;安全;安全工程;安全要求;规范(验收);测试;工具
【英文主题词】:Batterieoperation;Cropmaintenance;Electricappliances;Electrictools;Electricalappliances;Electricalengineering;Electricalsafety;Electrically-operateddevices;Equipmentsafety;Gardening;Gardeningequipment;Lawncultivatingappliances;Lawnedgecutters;Lawntrimmers;Power-operated;Protectionagainstelectricshocks;Safety;Safetyengineering;Safetyrequirements;Specification(approval);Testing;Tools
【摘要】:1.1Theserequirementscovercord-connected,electrically-operatedgardeningappliances,suchascultivators,edger-trimmers,andthelike,rated250voltsorlessforuseinaccordancewiththeNationalElectricalCode,NFPA70.1.2Theserequirementsalsocoverbattery-operatedgardeningappliances.1.3Theserequirementsdonotcoversprayers,foggers,orequipmentforuseinhazardouslocationsasdefinedintheNationalElectricalCode,NFPA70.1.4Theserequirementsdonotcoverelectricallyoperatedlawnmowersorgardentractorsortheirattachments.1.5Aproductthatcontainsfeatures,characteristics,components,materials,orsystemsnewordifferentfromthosecoveredbytherequirementsinthisstandard,andthatinvolvesariskoffireorofelectricshockorinjurytopersonsshallbeevaluatedusingappropriateadditionalcomponentandend-productrequirementstomaintainthelevelofsafetyasoriginallyanticipatedbytheintentofthisstandard.Aproductwhosefeatures,characteristics,components,materials,orsystemsconflictwithspecificrequirementsorprovisionsofthisstandarddoesnotcomplywiththisstandard.Revisionofrequirementsshallbeproposedandadoptedinconformancewiththemethodsemployedfordevelopment,revision,andimplementationofthisstandard.
【中国标准分类号】:B91
【国际标准分类号】:65_060_70
【页数】:128P.;A4
【正文语种】:英语