【英文标准名称】:Methodsoftestingplastics-Mechanicalproperties-Determinationofsoftnessnumberofflexibleplasticsmaterials
【原文标准名称】:塑料试验方法.第3部分:机械性能.试验方法365A:挠性塑料材料韧性度值测定
【标准号】:BS2782-3Method365A-1976
【标准状态】:作废
【国别】:英国
【发布日期】:1976-09-30
【实施或试行日期】:1976-09-30
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:机械试验;高聚物;柔性材料;硬度试验;试验条件;试验设备;塑料;试样
【英文主题词】:Flexiblematerials;Hardnesstesting;Mechanicaltesting;Plastics;Plasticsandrubbertechnology;Polymers;Testequipment;Testspecimens;Testingconditions
【摘要】:Thismethoddescribesaprocedurefordeterminingthesoftnessofflexibleplasticsmaterials(usuallyflexiblepolyvinylchloridecompounds).
【中国标准分类号】:G31
【国际标准分类号】:83_060;83_080_01
【页数】:4P;A4
【正文语种】:英语


【英文标准名称】:StandardPracticesforUnmannedAircraftSystemAirworthiness
【原文标准名称】:无人飞行器系统耐飞行的标准实施
【标准号】:ASTMF2501-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:F38.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:耐飞性;飞行器;无人的
【英文主题词】:airframe;airworthiness;aviation;avionics;certification;communication;datalink;electromagneticcompatibility;electromagneticinterference;equivalentlevelofsafety;FederalAviationAdministration;flighttesting;fuel;materials;navigation;pa
【摘要】:Designing,manufacturing,testing,andmaintaininganunmannedaircraftsystemtocomplywithindustrystandardsandrecommendedpracticessupportsdevelopmentofacertificationpackagethathelpsensureitsreliabilityandcanleadtoitsairworthinesscertification.Governmentaviationauthoritiesx2019;airworthinesscertificationprocessesexisttoprovidesomelevelofassurancethatcriticalsystemswilloperatereliablyandposeminimalrisktopersonsandproperty.Theuseofprovenstandardsandpracticesinthedesign,manufacture,andtestofthesesystems,especiallyforthemissioncriticalcomponents,contributestothisgoal,aswellasstreamliningthecertificationprocessandsimplifyingthesystemtestrequirements.Whiledevelopingtoasetofstandardsandpracticeswillnotguaranteecertification,theabilitytoshowcompliancewithestablishedstandardsprovidesthebasisforawell-documentedcertificationapprovalpackage.Compliancewithestablishedstandardsandpracticesalsoprovidesassurancethatagivencomponentwillfunctionasintendedinthespecifiedenvironmentandconditions.Thestandardscitedinthesepracticeshavebeendevelopedbyrecognizedstandards-developingagencies;someareacceptedbygovernmentaviationauthoritiesasanacceptablemeansofcompliancewithairworthinessrequirements.Bytheirinclusioninthesepractices,theyareconsideredtobeconsensus-basedforunmannedaircraft-relatedpurposes.1.1Thesepracticesidentifyexistingregulations,standards,specifications,andhandbookstoguidethedesign,manufacture,test,repair,andmaintenanceofunmannedaircraftsystemsandtheircomponents.1.2ApplicabilityThesepracticesapplytounmanned,powered,fixedwingaircraftandrotorcraftsystemsseekinggovernmentaviationauthorityapprovalintheformofairworthinesscertificates,flightpermits,orotherlikedocumentation.Itisintendedtobeusedasareferencebyunmannedaircraftsystemdesignersandmanufacturers,aswellasbyprocurementauthorities,tohelpensuretheairworthinessofthesesystems.1.3Thesepracticesprovideastartingpointfordevelopingastandards-basedairworthinesscertificationpackageforconsiderationbyregulatoryauthorities.Itliststhosetop-levelstandardsapplicabletothemajorsubsystemsandcomponentsofanunmannedaircraftsystem.ItassumesthatOriginalEquipmentManufacturer(OEM)-providedsubsystemsandcomponents,purchasedandinstalledasaunit(forexample,GlobalPositioningSystems),arethemselvesbuilttoapplicablestandardsthatarenotnecessarilylistedinthesepractices.Thesepracticesincludestandardsfortechnologiesthatarecurrentlyinuseinunmannedaircraft,aswellasthosethatarenotyet,butcouldbeusedinthefuture(forexample,radioisotopethermoelectricgenerators).1.4Suggestedchanges,corrections,orupdatesshouldbeforwardedtoCommitteeF38.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:V35
【国际标准分类号】:49_020
【页数】:9P.;A4
【正文语种】: